<?php
/**
 * Reports page.
 *
 * @package IntelTele
 */

namespace IntelTele\Admin\Pages;

use IntelTele\Repositories\CampaignRepository;
use IntelTele\Repositories\MessageLogRepository;
use IntelTele\Repositories\PluginLogRepository;
use IntelTele\Repositories\WebhookLogRepository;
use IntelTele\Services\CampaignProcessor;
use IntelTele\Services\PluginLogger;
use IntelTele\Services\StatusSync;
use IntelTele\Services\ViberFallbackProcessor;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

final class ReportsPage extends AbstractPage {
	/**
	 * Log repository.
	 *
	 * @var MessageLogRepository
	 */
	private $log_repository;

	/**
	 * Campaign repository.
	 *
	 * @var CampaignRepository
	 */
	private $campaign_repository;

	/**
	 * Plugin log repository.
	 *
	 * @var PluginLogRepository
	 */
	private $plugin_log_repository;

	/**
	 * Webhook log repository.
	 *
	 * @var WebhookLogRepository
	 */
	private $webhook_log_repository;

	/**
	 * Constructor.
	 */
	public function __construct() {
		$this->log_repository      = new MessageLogRepository();
		$this->campaign_repository = new CampaignRepository();
		$this->plugin_log_repository = new PluginLogRepository();
		$this->webhook_log_repository = new WebhookLogRepository();

		add_action( 'admin_post_inteltele_process_campaign', array( $this, 'handle_process_campaign' ) );
		add_action( 'admin_post_inteltele_sync_statuses', array( $this, 'handle_sync_statuses' ) );
		add_action( 'admin_post_inteltele_process_fallbacks', array( $this, 'handle_process_fallbacks' ) );
		add_action( 'admin_post_inteltele_export_reports', array( $this, 'handle_export_reports' ) );
		add_action( 'admin_post_inteltele_report_columns', array( $this, 'handle_report_columns' ) );
	}

	/**
	 * Process next campaign batch from admin action.
	 */
	public function handle_process_campaign(): void {
		if ( ! current_user_can( 'inteltele_manage' ) ) {
			wp_die( esc_html__( 'You do not have permission to manage IntelTele campaigns.', 'inteltele' ) );
		}

		if ( ! $this->is_post_request() ) {
			wp_die( esc_html__( 'This action requires a POST request.', 'inteltele' ), '', array( 'response' => 405 ) );
		}

		$campaign_id = isset( $_POST['campaign_id'] ) && is_scalar( $_POST['campaign_id'] ) ? absint( wp_unslash( $_POST['campaign_id'] ) ) : 0;

		if ( ! isset( $_POST['_wpnonce'] ) || ! is_string( $_POST['_wpnonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['_wpnonce'] ) ), 'inteltele_process_campaign_' . $campaign_id ) ) {
			wp_die( esc_html__( 'Security check failed. Please reload the page and try again.', 'inteltele' ) );
		}

		if ( $campaign_id > 0 ) {
			$processor = new CampaignProcessor();
			$processor->process_batch( $campaign_id );
			$this->set_action_notice(
				'success',
				__( 'Campaign batch processing was started. Check the bulk report for progress.', 'inteltele' )
			);
			PluginLogger::log(
				'info',
				'campaign_batch_requested',
				__( 'Campaign batch was processed from the reports page.', 'inteltele' ),
				array( 'campaign_id' => $campaign_id ),
				'ReportsPage'
			);
		}

		wp_safe_redirect( $this->get_page_url( array( 'page' => 'inteltele-reports', 'tab' => 'bulk' ) ) );
		exit;
	}

	/**
	 * Sync delivery statuses.
	 */
	public function handle_sync_statuses(): void {
		$this->verify_report_action( 'inteltele_sync_statuses' );

		$sync = new StatusSync();
		$result = $sync->sync();
		$this->set_action_notice(
			'success',
			sprintf(
				/* translators: 1: SMS count, 2: Viber count. */
				__( 'Delivery status sync completed. Updated SMS: %1$d, Viber: %2$d.', 'inteltele' ),
				(int) ( $result['sms'] ?? 0 ),
				(int) ( $result['viber'] ?? 0 )
			)
		);

		PluginLogger::log(
			'info',
			'manual_status_sync_requested',
			__( 'Manual delivery status sync was requested.', 'inteltele' ),
			$result,
			'ReportsPage'
		);

		wp_safe_redirect( $this->get_page_url( array( 'page' => 'inteltele-reports' ) ) );
		exit;
	}

	/**
	 * Process Viber fallbacks.
	 */
	public function handle_process_fallbacks(): void {
		$this->verify_report_action( 'inteltele_process_fallbacks' );

		$processor = new ViberFallbackProcessor();
		$sent = $processor->process();
		$this->set_action_notice(
			'success',
			sprintf(
				/* translators: %d: sent fallback count. */
				__( 'Viber SMS fallback processing completed. SMS sent: %d.', 'inteltele' ),
				$sent
			)
		);

		PluginLogger::log(
			'info',
			'manual_fallback_processing_requested',
			__( 'Manual Viber fallback processing was requested.', 'inteltele' ),
			array( 'sent' => $sent ),
			'ReportsPage'
		);

		wp_safe_redirect( $this->get_page_url( array( 'page' => 'inteltele-reports' ) ) );
		exit;
	}

	/**
	 * Export report logs to CSV.
	 */
	public function handle_export_reports(): void {
		$this->require_permission();
		if ( ! isset( $_GET['_wpnonce'] ) || ! is_string( $_GET['_wpnonce'] ) ) {
			wp_die( esc_html__( 'Security check failed. Please reload the page and try again.', 'inteltele' ), '', array( 'response' => 403 ) );
		}
		check_admin_referer( 'inteltele_export_reports' );
		$this->read_query( 'inteltele_export_reports', '_wpnonce' );
		$tab = $this->get_current_tab( 'single', array( 'single', 'bulk', 'replies', 'plugin_logs', 'webhooks' ) );

		if ( 'plugin_logs' === $tab ) {
			$this->export_plugin_logs();
			return;
		}

		if ( 'webhooks' === $tab ) {
			$this->export_webhook_logs();
			return;
		}

		$args = $this->get_report_query_args( $tab );
		$args['limit'] = 5000;
		$args['offset'] = 0;
		$logs = $this->log_repository->get_logs( $args );

		nocache_headers();
		header( 'Content-Type: text/csv; charset=utf-8' );
		header( 'Content-Disposition: attachment; filename=inteltele-report-' . gmdate( 'Ymd-His' ) . '.csv' );

		$output = fopen( 'php://output', 'w' );

		if ( false === $output ) {
			exit;
		}

		fprintf( $output, chr( 0xEF ) . chr( 0xBB ) . chr( 0xBF ) );
		fputcsv(
			$output,
			array(
				'id',
				'order_id',
				'campaign_id',
				'send_type',
				'recipient_phone',
				'recipient_name',
				'recipient_role',
				'channel',
				'scheme',
				'message',
				'fallback_message',
				'created_at',
				'updated_at',
				'status_updated_at',
				'api_message_id',
				'api_status',
				'api_status_code',
				'error_code',
				'status',
				'error_reason',
				'api_response',
				'viber_ttl',
				'sms_fallback_sent',
				'sms_fallback_sent_at',
			)
		);

		foreach ( $logs as $log ) {
			fputcsv(
				$output,
				array(
					$log->id,
					$log->order_id,
					$log->campaign_id,
					$log->send_type,
					$log->recipient_phone,
					$log->recipient_name,
					$log->recipient_role,
					$log->channel,
					$log->scheme,
					$log->message,
					isset( $log->fallback_message ) ? $log->fallback_message : '',
					$log->created_at,
					$log->updated_at,
					$log->status_updated_at,
					$log->api_message_id,
					$log->api_status,
					$log->api_status_code,
					$log->error_code,
					$log->status,
					$log->error_reason,
					$log->api_response,
					$log->viber_ttl,
					$log->sms_fallback_sent,
					$log->sms_fallback_sent_at,
				)
			);
		}

		exit;
	}

	/**
	 * Verify report admin action.
	 *
	 * @param string $action Action.
	 */
	private function verify_report_action( string $action ): void {
		$this->require_permission();
		if ( ! $this->is_post_request() ) {
			wp_die( esc_html__( 'This action requires a POST request.', 'inteltele' ), '', array( 'response' => 405 ) );
		}
		if ( ! isset( $_POST['_wpnonce'] ) || ! is_string( $_POST['_wpnonce'] ) ) {
			wp_die( esc_html__( 'Security check failed. Please reload the page and try again.', 'inteltele' ), '', array( 'response' => 403 ) );
		}
		check_admin_referer( $action );
	}

	public function handle_report_columns(): void {
		$this->require_permission();
		if ( ! $this->is_post_request() ) {
			wp_die( esc_html__( 'This action requires a POST request.', 'inteltele' ), '', array( 'response' => 405 ) );
		}
		if ( ! isset( $_POST['inteltele_columns_nonce'] ) || ! is_string( $_POST['inteltele_columns_nonce'] ) ) {
			wp_die( esc_html__( 'Security check failed. Please reload the page and try again.', 'inteltele' ), '', array( 'response' => 403 ) );
		}
		check_admin_referer( 'inteltele_report_columns', 'inteltele_columns_nonce' );
		$tab = isset( $_POST['tab'] ) ? sanitize_key( wp_unslash( $_POST['tab'] ) ) : 'single';
		$available = $this->get_available_report_columns( $tab );
		if ( empty( $available ) ) {
			wp_die( esc_html__( 'Invalid report.', 'inteltele' ), '', array( 'response' => 400 ) );
		}
		$campaign_id = isset( $_POST['campaign_id'] ) && is_scalar( $_POST['campaign_id'] ) ? absint( wp_unslash( $_POST['campaign_id'] ) ) : 0;
		$suffix = 'bulk' === $tab && $campaign_id > 0 ? 'bulk_details' : $tab;
		$meta_key = 'inteltele_report_columns_' . $suffix;
		if ( isset( $_POST['columns_reset'] ) ) {
			delete_user_meta( get_current_user_id(), $meta_key );
		} else {
			$selected = isset( $_POST['columns'] ) && is_array( $_POST['columns'] ) ? array_map( 'sanitize_key', wp_unslash( $_POST['columns'] ) ) : array();
			$selected = array_values( array_intersect( $selected, array_keys( $available ) ) );
			update_user_meta( get_current_user_id(), $meta_key, empty( $selected ) ? array_keys( $available ) : $selected );
		}
		$args = array( 'page' => 'inteltele-reports', 'tab' => $tab, 'campaign_id' => $campaign_id );
		foreach ( array( 's', 'date_from', 'date_to', 'role', 'level', 'event', 'status' ) as $key ) {
			if ( isset( $_POST[ $key ] ) && is_string( $_POST[ $key ] ) ) {
				$args[ $key ] = sanitize_text_field( wp_unslash( $_POST[ $key ] ) );
			}
		}
		wp_safe_redirect( $this->get_page_url( $args ) );
		exit;
	}

	/**
	 * Render page.
	 */
	public function render(): void {
		$this->prepare_page();
		$tabs = array(
			'single'  => __( 'Single', 'inteltele' ),
			'bulk'    => __( 'Bulk', 'inteltele' ),
			'replies' => __( 'Replies', 'inteltele' ),
			'webhooks' => __( 'Webhooks', 'inteltele' ),
			'plugin_logs' => __( 'Plugin logs', 'inteltele' ),
		);
		$tab  = $this->get_current_tab( 'single', array_keys( $tabs ) );

		$this->open_page( __( 'Reports', 'inteltele' ) );
		$this->render_action_notice();
		$this->render_tabs( $tabs, $tab, 'inteltele-reports' );
		$this->render_step_notice();
		$this->render_report_actions();
		$this->render_filters( 'bulk' === $tab, $tab );
		$this->render_column_panel( $tab );
		$this->render_table( $tab );
		$this->close_page();
	}

	/**
	 * Render report action buttons.
	 */
	private function render_report_actions(): void {
		echo '<div class="inteltele-report-actions">';
		$this->render_action_form( 'inteltele_sync_statuses', __( 'Sync delivery statuses', 'inteltele' ) );
		$this->render_action_form( 'inteltele_process_fallbacks', __( 'Process Viber SMS fallbacks', 'inteltele' ) );
		echo '</div>';
	}

	private function render_action_form( string $action, string $label, int $campaign_id = 0 ): void {
		echo '<form method="post" action="' . esc_url( admin_url( 'admin-post.php' ) ) . '" class="inteltele-report-action">';
		echo '<input type="hidden" name="action" value="' . esc_attr( $action ) . '">';
		if ( $campaign_id > 0 ) {
			echo '<input type="hidden" name="campaign_id" value="' . esc_attr( (string) $campaign_id ) . '">';
		}
		wp_nonce_field( $campaign_id > 0 ? $action . '_' . $campaign_id : $action );
		echo '<button type="submit" class="button">' . esc_html( $label ) . '</button>';
		echo '</form>';
	}

	/**
	 * Store one-time admin notice for redirected report actions.
	 *
	 * @param string $type Notice type.
	 * @param string $message Notice message.
	 */
	private function set_action_notice( string $type, string $message ): void {
		set_transient(
			'inteltele_report_notice_' . get_current_user_id(),
			array(
				'type'    => $type,
				'message' => $message,
			),
			MINUTE_IN_SECONDS
		);
	}

	/**
	 * Render one-time admin notice after redirected report actions.
	 */
	private function render_action_notice(): void {
		$key    = 'inteltele_report_notice_' . get_current_user_id();
		$notice = get_transient( $key );

		if ( ! is_array( $notice ) || empty( $notice['message'] ) ) {
			return;
		}

		delete_transient( $key );

		$type = isset( $notice['type'] ) ? sanitize_html_class( (string) $notice['type'] ) : 'info';

		echo '<div class="notice notice-' . esc_attr( $type ) . ' is-dismissible"><p>' . esc_html( (string) $notice['message'] ) . '</p></div>';
	}

	/**
	 * Render report filters.
	 *
	 * @param bool $show_role_filter Whether to show role filter.
	 * @param string $tab Current tab.
	 */
	private function render_filters( bool $show_role_filter, string $tab ): void {
		$search    = isset( $this->query['s'] ) ? sanitize_text_field( $this->query['s'] ) : '';
		$date_from = isset( $this->query['date_from'] ) ? sanitize_text_field( $this->query['date_from'] ) : '';
		$date_to   = isset( $this->query['date_to'] ) ? sanitize_text_field( $this->query['date_to'] ) : '';
		$selected_role = isset( $this->query['role'] ) ? sanitize_text_field( $this->query['role'] ) : '';
		$selected_level = isset( $this->query['level'] ) ? sanitize_key( $this->query['level'] ) : '';
		$selected_event = isset( $this->query['event'] ) ? sanitize_key( $this->query['event'] ) : '';
		$selected_status = isset( $this->query['status'] ) ? sanitize_key( $this->query['status'] ) : '';

		echo '<form method="get" action="" class="inteltele-report-filters">';
		$this->render_view_nonce();
		echo '<input type="hidden" name="page" value="inteltele-reports">';
		echo '<input type="hidden" name="tab" value="' . esc_attr( $tab ) . '">';
		if ( 'bulk' === $tab && $this->get_current_campaign_id() > 0 ) {
			echo '<input type="hidden" name="campaign_id" value="' . esc_attr( (string) $this->get_current_campaign_id() ) . '">';
		}
		if ( 'bulk' !== $tab || $this->get_current_campaign_id() > 0 ) {
			echo '<input type="search" name="s" maxlength="64" value="' . esc_attr( $search ) . '" placeholder="' . esc_attr( $this->get_search_placeholder( $tab ) ) . '"> ';
		}
		echo '<input type="date" name="date_from" value="' . esc_attr( $date_from ) . '" aria-label="' . esc_attr__( 'Start date', 'inteltele' ) . '"> ';
		echo '<input type="date" name="date_to" value="' . esc_attr( $date_to ) . '" aria-label="' . esc_attr__( 'End date', 'inteltele' ) . '"> ';

		if ( 'plugin_logs' === $tab ) {
			echo '<select name="level" aria-label="' . esc_attr__( 'Level', 'inteltele' ) . '">';
			echo '<option value="">' . esc_html__( 'All levels', 'inteltele' ) . '</option>';
			foreach ( array( 'info', 'warning', 'error' ) as $level ) {
				echo '<option value="' . esc_attr( $level ) . '"' . selected( $selected_level, $level, false ) . '>' . esc_html( ucfirst( $level ) ) . '</option>';
			}
			echo '</select> ';

			echo '<input type="search" name="event" maxlength="64" value="' . esc_attr( $selected_event ) . '" placeholder="' . esc_attr__( 'Event', 'inteltele' ) . '"> ';
		} elseif ( 'webhooks' === $tab ) {
			echo '<select name="status" aria-label="' . esc_attr__( 'Status', 'inteltele' ) . '">';
			echo '<option value="">' . esc_html__( 'All statuses', 'inteltele' ) . '</option>';
			foreach ( array( 'processed', 'processed_with_errors' ) as $status ) {
				echo '<option value="' . esc_attr( $status ) . '"' . selected( $selected_status, $status, false ) . '>' . esc_html( $this->format_webhook_status( $status ) ) . '</option>';
			}
			echo '</select> ';
		} elseif ( $show_role_filter && $this->get_current_campaign_id() > 0 ) {
			echo '<select name="role" aria-label="' . esc_attr__( 'Role', 'inteltele' ) . '">';
			echo '<option value="">' . esc_html__( 'All roles', 'inteltele' ) . '</option>';

			foreach ( wp_roles()->roles as $role_key => $role_data ) {
				echo '<option value="' . esc_attr( $role_key ) . '"' . selected( $selected_role, $role_key, false ) . '>' . esc_html( translate_user_role( $role_data['name'] ) ) . '</option>';
			}

			echo '</select> ';
		}

		$this->render_column_hidden_inputs( $tab );
		echo '<button type="submit" class="button">' . esc_html__( 'Search', 'inteltele' ) . '</button> ';
		echo '<a class="button" href="' . esc_url( $this->get_export_url( $tab ) ) . '">' . esc_html__( 'Export CSV', 'inteltele' ) . '</a>';
		echo '</form>';
	}

	/**
	 * Get export URL for current filters.
	 *
	 * @param string $tab Current tab.
	 */
	private function get_export_url( string $tab ): string {
		$args = array(
			'action' => 'inteltele_export_reports',
			'tab'    => $tab,
		);

		foreach ( array( 's', 'date_from', 'date_to', 'role', 'campaign_id', 'level', 'event', 'status' ) as $key ) {
			if ( isset( $this->query[ $key ] ) && '' !== $this->query[ $key ] ) {
				$args[ $key ] = sanitize_text_field( $this->query[ $key ] );
			}
		}

		if ( 'bulk' !== $tab || $this->get_current_campaign_id() > 0 ) {
			foreach ( $this->get_visible_column_keys( $tab ) as $column ) {
				$args['columns'][] = $column;
			}
		}

		return wp_nonce_url( add_query_arg( $args, admin_url( 'admin-post.php' ) ), 'inteltele_export_reports' );
	}

	/**
	 * Render placeholder report table.
	 *
	 * @param string $tab Current tab.
	 */
	private function render_table( string $tab ): void {
		if ( 'single' === $tab ) {
			$this->render_log_table( 'manual' );
			return;
		}

		if ( 'replies' === $tab ) {
			$this->render_log_table( 'order_status' );
			return;
		}

		if ( 'bulk' === $tab ) {
			if ( $this->get_current_campaign_id() > 0 ) {
				$this->render_bulk_details();
			} else {
				$this->render_campaign_table();
			}
			return;
		}

		if ( 'plugin_logs' === $tab ) {
			$this->render_plugin_log_table();
			return;
		}

		if ( 'webhooks' === $tab ) {
			$this->render_webhook_log_table();
			return;
		}

		$columns = array(
			__( 'No.', 'inteltele' ),
			__( 'Phone', 'inteltele' ),
		);

		if ( in_array( $tab, array( 'bulk', 'replies' ), true ) ) {
			$columns[] = __( 'Name', 'inteltele' );
		}

		$columns[] = __( 'Channel', 'inteltele' );

		if ( in_array( $tab, array( 'bulk', 'replies' ), true ) ) {
			$columns[] = __( 'Role', 'inteltele' );
		}

		$columns[] = __( 'Date', 'inteltele' );
		$columns[] = __( 'Text', 'inteltele' );
		$columns[] = __( 'Status', 'inteltele' );

		echo '<table class="widefat striped inteltele-table">';
		echo '<thead><tr>';

		foreach ( $columns as $column ) {
			echo '<th scope="col">' . esc_html( $column ) . '</th>';
		}

		echo '</tr></thead>';
		echo '<tbody><tr><td colspan="' . esc_attr( (string) count( $columns ) ) . '">' . esc_html__( 'No messages found.', 'inteltele' ) . '</td></tr></tbody>';
		echo '</table>';
	}

	/**
	 * Render separate report column visibility panel.
	 *
	 * @param string $tab Current tab.
	 */
	private function render_column_panel( string $tab ): void {
		if ( 'bulk' === $tab && $this->get_current_campaign_id() <= 0 ) {
			return;
		}

		$columns = $this->get_available_report_columns( $tab );

		if ( empty( $columns ) ) {
			return;
		}

		$visible = $this->get_visible_column_keys( $tab );
		$args    = $this->get_current_report_base_args( $tab );
		echo '<form method="post" action="' . esc_url( admin_url( 'admin-post.php' ) ) . '" class="inteltele-column-panel">';
		echo '<input type="hidden" name="action" value="inteltele_report_columns">';
		wp_nonce_field( 'inteltele_report_columns', 'inteltele_columns_nonce', false );

		foreach ( $args as $key => $value ) {
			if ( is_array( $value ) ) {
				foreach ( $value as $item ) {
					echo '<input type="hidden" name="' . esc_attr( $key ) . '[]" value="' . esc_attr( (string) $item ) . '">';
				}
			} else {
				echo '<input type="hidden" name="' . esc_attr( $key ) . '" value="' . esc_attr( (string) $value ) . '">';
			}
		}

		echo '<details>';
		echo '<summary>' . esc_html__( 'Table columns', 'inteltele' ) . '</summary>';
		echo '<fieldset>';
		echo '<div class="inteltele-column-options">';

		foreach ( $columns as $key => $label ) {
			echo '<label><input type="checkbox" name="columns[]" value="' . esc_attr( $key ) . '"' . checked( in_array( $key, $visible, true ), true, false ) . '> ' . esc_html( $label ) . '</label>';
		}

		echo '</div>';
		echo '<p><button type="submit" class="button">' . esc_html__( 'Apply columns', 'inteltele' ) . '</button> ';
		echo '<button type="submit" class="button" name="columns_reset" value="1">' . esc_html__( 'Show all columns', 'inteltele' ) . '</button></p>';
		echo '</fieldset>';
		echo '</details>';
		echo '</form>';
	}

	/**
	 * Preserve selected columns while submitting filters.
	 *
	 * @param string $tab Current tab.
	 */
	private function render_column_hidden_inputs( string $tab ): void {
		if ( 'bulk' === $tab && $this->get_current_campaign_id() <= 0 ) {
			return;
		}

		foreach ( $this->get_visible_column_keys( $tab ) as $column ) {
			echo '<input type="hidden" name="columns[]" value="' . esc_attr( $column ) . '">';
		}
	}

	/**
	 * Get current report args without column selection.
	 *
	 * @param string $tab Current tab.
	 * @return array<string,mixed>
	 */
	private function get_current_report_base_args( string $tab ): array {
		$args = array(
			'page' => 'inteltele-reports',
			'tab'  => $tab,
		);

		foreach ( array( 's', 'date_from', 'date_to', 'role', 'campaign_id', 'level', 'event', 'status' ) as $key ) {
			if ( isset( $this->query[ $key ] ) && '' !== $this->query[ $key ] ) {
				$args[ $key ] = sanitize_text_field( $this->query[ $key ] );
			}
		}

		return $args;
	}

	/**
	 * Get available report columns for a tab.
	 *
	 * @param string $tab Current tab.
	 * @return array<string,string>
	 */
	private function get_available_report_columns( string $tab ): array {
		if ( in_array( $tab, array( 'single', 'bulk', 'replies' ), true ) ) {
			return array(
				'no'                => __( 'No.', 'inteltele' ),
				'order_id'          => __( 'Order ID', 'inteltele' ),
				'phone'             => __( 'Phone', 'inteltele' ),
				'name'              => __( 'Name', 'inteltele' ),
				'channel'           => __( 'Channel', 'inteltele' ),
				'role'              => __( 'Role', 'inteltele' ),
				'date'              => __( 'Date', 'inteltele' ),
				'text'              => __( 'Text', 'inteltele' ),
				'status'            => __( 'Status', 'inteltele' ),
				'api_status'        => __( 'API status', 'inteltele' ),
				'http'              => __( 'HTTP', 'inteltele' ),
				'error_code'        => __( 'Error code', 'inteltele' ),
				'status_updated'    => __( 'Status updated', 'inteltele' ),
				'fallback'          => __( 'Fallback', 'inteltele' ),
				'api_message_id'    => __( 'API message ID', 'inteltele' ),
				'error_reason'      => __( 'Error reason', 'inteltele' ),
			);
		}

		if ( 'plugin_logs' === $tab ) {
			return array(
				'date'    => __( 'Date', 'inteltele' ),
				'level'   => __( 'Level', 'inteltele' ),
				'event'   => __( 'Event', 'inteltele' ),
				'source'  => __( 'Source', 'inteltele' ),
				'message' => __( 'Message', 'inteltele' ),
				'context' => __( 'Context', 'inteltele' ),
				'user'    => __( 'User', 'inteltele' ),
			);
		}

		if ( 'webhooks' === $tab ) {
			return array(
				'date'         => __( 'Date', 'inteltele' ),
				'status'       => __( 'Status', 'inteltele' ),
				'ip'           => __( 'IP', 'inteltele' ),
				'content_type' => __( 'Content type', 'inteltele' ),
				'payload'      => __( 'Payload', 'inteltele' ),
				'result'       => __( 'Result', 'inteltele' ),
			);
		}

		return array();
	}

	/**
	 * Get visible column keys from request.
	 *
	 * @param string $tab Current tab.
	 * @return string[]
	 */
	private function get_visible_column_keys( string $tab ): array {
		$available = $this->get_available_report_columns( $tab );

		if ( empty( $available ) ) {
			return array();
		}

		$meta_key = $this->get_column_preference_key( $tab );
		if ( ! isset( $this->query['columns'] ) ) {
			$saved = get_user_meta( get_current_user_id(), $meta_key, true );

			if ( is_array( $saved ) ) {
				$saved = array_values( array_intersect( array_map( 'sanitize_key', $saved ), array_keys( $available ) ) );

				if ( ! empty( $saved ) ) {
					return $saved;
				}
			}

			return array_keys( $available );
		}

		$selected = array_map( 'sanitize_key', (array) $this->query['columns'] );
		$selected = array_values( array_intersect( $selected, array_keys( $available ) ) );

		return empty( $selected ) ? array_keys( $available ) : $selected;
	}

	/**
	 * Get user meta key for report column preferences.
	 *
	 * @param string $tab Current tab.
	 */
	private function get_column_preference_key( string $tab ): string {
		$suffix = 'bulk' === $tab && $this->get_current_campaign_id() > 0 ? 'bulk_details' : $tab;

		return 'inteltele_report_columns_' . sanitize_key( $suffix );
	}

	/**
	 * Render selected table header cells.
	 *
	 * @param array<string,string> $columns All columns.
	 * @param string[]            $visible Visible keys.
	 */
	private function render_selected_headers( array $columns, array $visible ): void {
		foreach ( $visible as $key ) {
			if ( isset( $columns[ $key ] ) ) {
				echo '<th scope="col">' . esc_html( $columns[ $key ] ) . '</th>';
			}
		}
	}

	/**
	 * Render bulk campaigns table.
	 */
	private function render_campaign_table(): void {
		$campaigns = $this->campaign_repository->get_recent( 50 );

		echo '<table class="widefat striped inteltele-table">';
		echo '<thead><tr>';
		echo '<th scope="col">' . esc_html__( 'Campaign ID', 'inteltele' ) . '</th>';
		echo '<th scope="col">' . esc_html__( 'Scheme', 'inteltele' ) . '</th>';
		echo '<th scope="col">' . esc_html__( 'Date', 'inteltele' ) . '</th>';
		echo '<th scope="col">' . esc_html__( 'Text', 'inteltele' ) . '</th>';
			echo '<th scope="col">' . esc_html__( 'Progress', 'inteltele' ) . '</th>';
			echo '<th scope="col">' . esc_html__( 'Status', 'inteltele' ) . '</th>';
			echo '<th scope="col">' . esc_html__( 'Actions', 'inteltele' ) . '</th>';
			echo '</tr></thead><tbody>';

		if ( empty( $campaigns ) ) {
			echo '<tr><td colspan="7">' . esc_html__( 'No campaigns found.', 'inteltele' ) . '</td></tr>';
		}

		foreach ( $campaigns as $campaign ) {
			echo '<tr>';
			echo '<td>' . esc_html( (string) $campaign->id ) . '</td>';
			echo '<td>' . esc_html( $this->format_channel( '', (string) $campaign->scheme ) ) . '</td>';
			echo '<td>' . esc_html( (string) $campaign->created_at ) . '</td>';
			echo '<td>' . esc_html( wp_trim_words( (string) $campaign->message, 12, '...' ) ) . '</td>';
			echo '<td>' . esc_html( sprintf( '%d / %d', (int) $campaign->processed_count, (int) $campaign->recipients_total ) ) . '</td>';
			echo '<td>' . esc_html( $this->format_campaign_status( (string) $campaign->status ) ) . '</td>';
			echo '<td>';
			echo '<a class="button" href="' . esc_url( $this->get_page_url( array( 'page' => 'inteltele-reports', 'tab' => 'bulk', 'campaign_id' => (int) $campaign->id ) ) ) . '">' . esc_html__( 'Details', 'inteltele' ) . '</a> ';
			if ( (int) $campaign->processed_count < (int) $campaign->recipients_total ) {
				$this->render_action_form( 'inteltele_process_campaign', __( 'Process next batch', 'inteltele' ), (int) $campaign->id );
			}
			echo '</td>';
			echo '</tr>';
		}

		echo '</tbody></table>';
	}

	/**
	 * Render selected bulk campaign recipient details.
	 */
	private function render_bulk_details(): void {
		$campaign_id = $this->get_current_campaign_id();
		$campaign = $this->campaign_repository->get( $campaign_id );

		echo '<p><a class="button" href="' . esc_url( $this->get_page_url( array( 'page' => 'inteltele-reports', 'tab' => 'bulk' ) ) ) . '">' . esc_html__( 'Back to campaigns', 'inteltele' ) . '</a></p>';

		if ( $campaign ) {
			echo '<h2>' . esc_html( sprintf( /* translators: %d: campaign ID. */ __( 'Campaign #%d recipients', 'inteltele' ), $campaign_id ) ) . '</h2>';
			echo '<p>' . esc_html( sprintf( '%d / %d', (int) $campaign->processed_count, (int) $campaign->recipients_total ) ) . '</p>';
		}

		$this->render_log_table( 'bulk' );
	}

	/**
	 * Render manual message logs.
	 */
	private function render_log_table( string $send_type ): void {
		$args = $this->get_report_query_args_by_type( $send_type );
		$logs = $this->log_repository->get_logs( $args );
		$total = $this->log_repository->count_logs( $args );
		$tab = $this->send_type_to_tab( $send_type );
		$columns = $this->get_available_report_columns( $tab );
		$visible = $this->get_visible_column_keys( $tab );

		echo '<table class="widefat striped inteltele-table">';
		echo '<thead><tr>';
		$this->render_selected_headers( $columns, $visible );
		echo '</tr></thead><tbody>';

		if ( empty( $logs ) ) {
			echo '<tr><td colspan="' . esc_attr( (string) count( $visible ) ) . '">' . esc_html__( 'No messages found.', 'inteltele' ) . '</td></tr>';
		}

		foreach ( $logs as $index => $log ) {
			$row = array(
				'no'             => esc_html( (string) ( $index + 1 ) ),
				'order_id'       => esc_html( empty( $log->order_id ) ? '' : (string) $log->order_id ),
				'phone'          => esc_html( (string) $log->recipient_phone ),
				'name'           => esc_html( (string) $log->recipient_name ),
				'channel'        => esc_html( $this->format_channel( (string) $log->channel, (string) $log->scheme ) ),
				'role'           => esc_html( $this->format_role( (string) $log->recipient_role ) ),
				'date'           => esc_html( (string) $log->created_at ),
				'text'           => esc_html( wp_trim_words( (string) $log->message, 12, '...' ) ),
				'status'         => esc_html( $this->format_status( (string) $log->status ) ),
				'api_status'     => esc_html( $this->format_api_status( (string) $log->api_status ) ),
				'http'           => esc_html( empty( $log->api_status_code ) ? '' : (string) $log->api_status_code ),
				'error_code'     => '<code>' . esc_html( (string) $log->error_code ) . '</code>',
				'status_updated' => esc_html( (string) $log->status_updated_at ),
				'fallback'       => esc_html( $this->format_fallback( $log ) ),
				'api_message_id' => '<code>' . esc_html( (string) $log->api_message_id ) . '</code>',
				'error_reason'   => esc_html( (string) $log->error_reason ),
			);

			echo '<tr>';
			foreach ( $visible as $column ) {
				echo '<td>' . wp_kses_post( $row[ $column ] ?? '' ) . '</td>';
			}
			echo '</tr>';
		}

		echo '</tbody></table>';
		$this->render_pagination( $total, (int) $args['limit'] );
	}

	/**
	 * Render plugin diagnostics logs.
	 */
	private function render_plugin_log_table(): void {
		$args = $this->get_plugin_log_query_args();
		$logs = $this->plugin_log_repository->get_logs( $args );
		$total = $this->plugin_log_repository->count_logs( $args );
		$columns = $this->get_available_report_columns( 'plugin_logs' );
		$visible = $this->get_visible_column_keys( 'plugin_logs' );

		echo '<table class="widefat striped inteltele-table">';
		echo '<thead><tr>';
		$this->render_selected_headers( $columns, $visible );
		echo '</tr></thead><tbody>';

		if ( empty( $logs ) ) {
			echo '<tr><td colspan="' . esc_attr( (string) count( $visible ) ) . '">' . esc_html__( 'No plugin logs found.', 'inteltele' ) . '</td></tr>';
		}

		foreach ( $logs as $log ) {
			$row = array(
				'date'    => esc_html( (string) $log->created_at ),
				'level'   => esc_html( strtoupper( (string) $log->level ) ),
				'event'   => '<code>' . esc_html( (string) $log->event ) . '</code>',
				'source'  => esc_html( (string) $log->source ),
				'message' => esc_html( (string) $log->message ),
				'context' => '<code>' . esc_html( wp_trim_words( (string) $log->context, 30, '...' ) ) . '</code>',
				'user'    => esc_html( empty( $log->user_id ) ? '' : '#' . (string) $log->user_id ),
			);

			echo '<tr>';
			foreach ( $visible as $column ) {
				echo '<td>' . wp_kses_post( $row[ $column ] ?? '' ) . '</td>';
			}
			echo '</tr>';
		}

		echo '</tbody></table>';
		$this->render_pagination( $total, (int) $args['limit'] );
	}

	/**
	 * Render webhook request logs.
	 */
	private function render_webhook_log_table(): void {
		$args  = $this->get_webhook_log_query_args();
		$logs  = $this->webhook_log_repository->get_logs( $args );
		$total = $this->webhook_log_repository->count_logs( $args );
		$columns = $this->get_available_report_columns( 'webhooks' );
		$visible = $this->get_visible_column_keys( 'webhooks' );

		echo '<table class="widefat striped inteltele-table inteltele-webhook-table">';
		echo '<thead><tr>';
		$this->render_selected_headers( $columns, $visible );
		echo '</tr></thead><tbody>';

		if ( empty( $logs ) ) {
			echo '<tr><td colspan="' . esc_attr( (string) count( $visible ) ) . '">' . esc_html__( 'No webhook requests found.', 'inteltele' ) . '</td></tr>';
		}

		foreach ( $logs as $log ) {
			$row = array(
				'date'         => esc_html( (string) $log->created_at ) . '<br><code>' . esc_html( (string) $log->method ) . ' ' . esc_html( (string) $log->route ) . '</code>',
				'status'       => esc_html( $this->format_webhook_status( (string) $log->status ) ),
				'ip'           => '<code>' . esc_html( (string) $log->remote_addr ) . '</code>',
				'content_type' => esc_html( (string) $log->content_type ),
				'payload'      => $this->render_payload_details( (string) $log->payload, (string) $log->raw_body ),
				'result'       => $this->render_json_details( (string) $log->result, '', __( 'View result', 'inteltele' ) ),
			);

			echo '<tr>';
			foreach ( $visible as $column ) {
				echo '<td>' . wp_kses_post( $row[ $column ] ?? '' ) . '</td>';
			}
			echo '</tr>';
		}

		echo '</tbody></table>';
		$this->render_pagination( $total, (int) $args['limit'] );
	}

	/**
	 * Get query args by send type.
	 *
	 * @param string $send_type Send type.
	 * @return array<string,mixed>
	 */
	private function get_report_query_args_by_type( string $send_type ): array {
		$args = $this->get_report_query_args( $this->send_type_to_tab( $send_type ) );
		$args['send_type'] = $send_type;

		return $args;
	}

	/**
	 * Get query args for plugin logs.
	 *
	 * @return array<string,mixed>
	 */
	private function get_plugin_log_query_args(): array {
		$page = isset( $this->query['paged'] ) ? max( 1, absint( $this->query['paged'] ) ) : 1;
		$limit = 50;

		return array(
			'search'    => isset( $this->query['s'] ) ? sanitize_text_field( $this->query['s'] ) : '',
			'date_from' => isset( $this->query['date_from'] ) ? sanitize_text_field( $this->query['date_from'] ) : '',
			'date_to'   => isset( $this->query['date_to'] ) ? sanitize_text_field( $this->query['date_to'] ) : '',
			'level'     => isset( $this->query['level'] ) ? sanitize_key( $this->query['level'] ) : '',
			'event'     => isset( $this->query['event'] ) ? sanitize_key( $this->query['event'] ) : '',
			'limit'     => $limit,
			'offset'    => ( $page - 1 ) * $limit,
		);
	}

	/**
	 * Get query args for webhook logs.
	 *
	 * @return array<string,mixed>
	 */
	private function get_webhook_log_query_args(): array {
		$page  = isset( $this->query['paged'] ) ? max( 1, absint( $this->query['paged'] ) ) : 1;
		$limit = 50;

		return array(
			'search'    => isset( $this->query['s'] ) ? sanitize_text_field( $this->query['s'] ) : '',
			'date_from' => isset( $this->query['date_from'] ) ? sanitize_text_field( $this->query['date_from'] ) : '',
			'date_to'   => isset( $this->query['date_to'] ) ? sanitize_text_field( $this->query['date_to'] ) : '',
			'status'    => isset( $this->query['status'] ) ? sanitize_key( $this->query['status'] ) : '',
			'limit'     => $limit,
			'offset'    => ( $page - 1 ) * $limit,
		);
	}

	/**
	 * Export plugin logs to CSV.
	 */
	private function export_plugin_logs(): void {
		$args = $this->get_plugin_log_query_args();
		$args['limit'] = 5000;
		$args['offset'] = 0;
		$logs = $this->plugin_log_repository->get_logs( $args );

		nocache_headers();
		header( 'Content-Type: text/csv; charset=utf-8' );
		header( 'Content-Disposition: attachment; filename=inteltele-plugin-logs-' . gmdate( 'Ymd-His' ) . '.csv' );

		$output = fopen( 'php://output', 'w' );

		if ( false === $output ) {
			exit;
		}

		fprintf( $output, chr( 0xEF ) . chr( 0xBB ) . chr( 0xBF ) );
		fputcsv( $output, array( 'id', 'created_at', 'level', 'event', 'source', 'message', 'context', 'user_id' ) );

		foreach ( $logs as $log ) {
			fputcsv(
				$output,
				array(
					$log->id,
					$log->created_at,
					$log->level,
					$log->event,
					$log->source,
					$log->message,
					$log->context,
					$log->user_id,
				)
			);
		}

		exit;
	}

	/**
	 * Export webhook logs to CSV.
	 */
	private function export_webhook_logs(): void {
		$args = $this->get_webhook_log_query_args();
		$args['limit'] = 5000;
		$args['offset'] = 0;
		$logs = $this->webhook_log_repository->get_logs( $args );

		nocache_headers();
		header( 'Content-Type: text/csv; charset=utf-8' );
		header( 'Content-Disposition: attachment; filename=inteltele-webhook-logs-' . gmdate( 'Ymd-His' ) . '.csv' );

		$output = fopen( 'php://output', 'w' );

		if ( false === $output ) {
			exit;
		}

		fprintf( $output, chr( 0xEF ) . chr( 0xBB ) . chr( 0xBF ) );
		fputcsv( $output, array( 'id', 'created_at', 'route', 'method', 'remote_addr', 'content_type', 'status', 'headers', 'query_params', 'payload', 'raw_body', 'result' ) );

		foreach ( $logs as $log ) {
			fputcsv(
				$output,
				array(
					$log->id,
					$log->created_at,
					$log->route,
					$log->method,
					$log->remote_addr,
					$log->content_type,
					$log->status,
					$log->headers,
					$log->query_params,
					$log->payload,
					$log->raw_body,
					$log->result,
				)
			);
		}

		exit;
	}

	/**
	 * Get query args for report tab.
	 *
	 * @param string $tab Tab.
	 * @return array<string,mixed>
	 */
	private function get_report_query_args( string $tab ): array {
		$page = isset( $this->query['paged'] ) ? max( 1, absint( $this->query['paged'] ) ) : 1;
		$limit = 50;
		$args = array(
			'search'    => isset( $this->query['s'] ) ? sanitize_text_field( $this->query['s'] ) : '',
			'date_from' => isset( $this->query['date_from'] ) ? sanitize_text_field( $this->query['date_from'] ) : '',
			'date_to'   => isset( $this->query['date_to'] ) ? sanitize_text_field( $this->query['date_to'] ) : '',
			'role'      => isset( $this->query['role'] ) ? sanitize_key( $this->query['role'] ) : '',
			'campaign_id' => isset( $this->query['campaign_id'] ) ? absint( $this->query['campaign_id'] ) : 0,
			'limit'     => $limit,
			'offset'    => ( $page - 1 ) * $limit,
		);

		if ( 'single' === $tab ) {
			$args['send_type'] = 'manual';
			$args['require_api_message_id'] = true;
		} elseif ( 'bulk' === $tab ) {
			$args['send_type'] = 'bulk';
			$args['require_api_message_id'] = true;
		} elseif ( 'replies' === $tab ) {
			$args['send_type'] = 'order_status';
			$args['require_api_message_id'] = true;
		}

		return $args;
	}

	/**
	 * Get search input placeholder for a report tab.
	 *
	 * @param string $tab Current tab.
	 */
	private function get_search_placeholder( string $tab ): string {
		if ( 'plugin_logs' === $tab ) {
			return __( 'Message, source, context', 'inteltele' );
		}

		if ( 'webhooks' === $tab ) {
			return __( 'Payload, result, IP, headers', 'inteltele' );
		}

		return __( 'Phone or name', 'inteltele' );
	}

	/**
	 * Render collapsible JSON details.
	 *
	 * @param string $json JSON string.
	 * @param string $fallback Fallback raw body.
	 * @param string $label Details label.
	 */
	private function render_json_details( string $json, string $fallback, string $label ): string {
		$value = '' !== $json ? $json : $fallback;

		if ( '' === $value ) {
			return '';
		}

		$pretty = $this->format_json_for_display( $value );

		return '<details class="inteltele-json-details"><summary>' . esc_html( $label ) . '</summary><pre>' . esc_html( $pretty ) . '</pre></details>';
	}

	/**
	 * Render webhook payload with raw body when it carries additional data.
	 *
	 * @param string $payload Payload JSON.
	 * @param string $raw_body Raw request body.
	 */
	private function render_payload_details( string $payload, string $raw_body ): string {
		$output = '';

		if ( '' !== $payload && '[]' !== $payload ) {
			$output .= $this->render_json_details( $payload, '', __( 'View payload', 'inteltele' ) );
		}

		if ( '' !== $raw_body && $raw_body !== $payload ) {
			$output .= $this->render_json_details( $raw_body, '', __( 'View raw body', 'inteltele' ) );
		}

		return $output;
	}

	/**
	 * Pretty print JSON strings when possible.
	 *
	 * @param string $value Raw value.
	 */
	private function format_json_for_display( string $value ): string {
		$decoded = json_decode( $value, true );

		if ( JSON_ERROR_NONE !== json_last_error() ) {
			return $value;
		}

		$encoded = wp_json_encode( $decoded, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES );

		return false === $encoded ? $value : $encoded;
	}

	/**
	 * Format webhook status.
	 *
	 * @param string $status Status.
	 */
	private function format_webhook_status( string $status ): string {
		$map = array(
			'processed'             => __( 'Processed', 'inteltele' ),
			'processed_with_errors' => __( 'Processed with errors', 'inteltele' ),
			'received'              => __( 'Received', 'inteltele' ),
		);

		return $map[ $status ] ?? $status;
	}

	/**
	 * Get current campaign ID from request.
	 */
	private function get_current_campaign_id(): int {
		return isset( $this->query['campaign_id'] ) ? absint( $this->query['campaign_id'] ) : 0;
	}

	/**
	 * Convert send type to tab.
	 *
	 * @param string $send_type Send type.
	 */
	private function send_type_to_tab( string $send_type ): string {
		$map = array(
			'manual'       => 'single',
			'bulk'         => 'bulk',
			'order_status' => 'replies',
		);

		return $map[ $send_type ] ?? 'single';
	}

	/**
	 * Render simple pagination.
	 *
	 * @param int $total Total rows.
	 * @param int $limit Page size.
	 */
	private function render_pagination( int $total, int $limit ): void {
		if ( $total <= $limit ) {
			return;
		}

		$current = isset( $this->query['paged'] ) ? max( 1, absint( $this->query['paged'] ) ) : 1;
		$pages   = (int) ceil( $total / $limit );
		$tab = $this->get_current_tab( 'single', array( 'single', 'bulk', 'replies', 'plugin_logs', 'webhooks' ) );
		$base_args = $this->get_current_report_base_args( $tab );
		$base_args['columns'] = $this->get_visible_column_keys( $tab );

		echo '<div class="tablenav"><div class="tablenav-pages">';
		echo '<span class="displaying-num">' . esc_html( sprintf( /* translators: %d: item count. */ __( '%d items', 'inteltele' ), $total ) ) . '</span> ';

		if ( $current > 1 ) {
			$prev_args = array_merge( $base_args, array( 'paged' => $current - 1 ) );
			echo '<a class="button" href="' . esc_url( $this->get_page_url( $prev_args ) ) . '">' . esc_html__( 'Previous', 'inteltele' ) . '</a> ';
		}

		echo '<span class="paging-input">' . esc_html( sprintf( /* translators: 1: current page, 2: total pages. */ __( '%1$d of %2$d', 'inteltele' ), $current, $pages ) ) . '</span> ';

		if ( $current < $pages ) {
			$next_args = array_merge( $base_args, array( 'paged' => $current + 1 ) );
			echo '<a class="button" href="' . esc_url( $this->get_page_url( $next_args ) ) . '">' . esc_html__( 'Next', 'inteltele' ) . '</a>';
		}

		echo '</div></div>';
	}

	/**
	 * Format role.
	 *
	 * @param string $role Role.
	 */
	private function format_role( string $role ): string {
		if ( 'admin' === $role ) {
			return __( 'Administrator', 'inteltele' );
		}

		if ( 'customer' === $role ) {
			return __( 'Customer', 'inteltele' );
		}

		return $role;
	}

	/**
	 * Format channel for UI.
	 *
	 * @param string $channel Channel.
	 * @param string $scheme Scheme.
	 */
	private function format_channel( string $channel, string $scheme ): string {
		if ( 'viber_sms' === $scheme ) {
			return __( 'Viber + SMS', 'inteltele' );
		}

		if ( 'sms' === $channel ) {
			return __( 'SMS', 'inteltele' );
		}

		if ( 'viber' === $channel ) {
			return __( 'Viber', 'inteltele' );
		}

		return $channel;
	}

	/**
	 * Format internal status.
	 *
	 * @param string $status Status.
	 */
	private function format_status( string $status ): string {
		$map = array(
			'created' => __( 'Created', 'inteltele' ),
			'sent'    => __( 'Sent', 'inteltele' ),
			'pending' => __( 'Sending', 'inteltele' ),
			'delivered' => __( 'Delivered', 'inteltele' ),
			'failed'  => __( 'Failed', 'inteltele' ),
		);

		return $map[ $status ] ?? $status;
	}

	/**
	 * Format API status.
	 *
	 * @param string $status API status.
	 */
	private function format_api_status( string $status ): string {
		$map = array(
			'pending' => __( 'Sending', 'inteltele' ),
			'delivrd' => __( 'Delivered', 'inteltele' ),
			'seen'    => __( 'Seen', 'inteltele' ),
			'click'   => __( 'Clicked', 'inteltele' ),
			'undeliv' => __( 'Not delivered', 'inteltele' ),
			'expired' => __( 'Expired', 'inteltele' ),
			'rejectd' => __( 'Rejected', 'inteltele' ),
			'OK'      => __( 'Sent to API', 'inteltele' ),
		);

		return $map[ $status ] ?? $status;
	}

	/**
	 * Format fallback data.
	 *
	 * @param object $log Log row.
	 */
	private function format_fallback( $log ): string {
		if ( 'viber_sms' !== (string) $log->scheme ) {
			return '';
		}

		if ( 'viber' !== (string) $log->channel ) {
			return '';
		}

		if ( (int) $log->sms_fallback_sent > 0 ) {
			return sprintf(
				/* translators: %s: fallback date. */
				__( 'SMS fallback sent: %s', 'inteltele' ),
				(string) $log->sms_fallback_sent_at
			);
		}

		return sprintf(
			/* translators: %d: TTL seconds. */
			__( 'TTL: %d seconds', 'inteltele' ),
			(int) $log->viber_ttl
		);
	}

	/**
	 * Format campaign status.
	 *
	 * @param string $status Status.
	 */
	private function format_campaign_status( string $status ): string {
		$map = array(
			'created'               => __( 'Created', 'inteltele' ),
			'processing'            => __( 'Processing', 'inteltele' ),
			'completed'             => __( 'Completed', 'inteltele' ),
			'completed_with_errors' => __( 'Completed with errors', 'inteltele' ),
			'stopped'               => __( 'Stopped', 'inteltele' ),
		);

		return $map[ $status ] ?? $status;
	}
}