<?php

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

/**
 * The admin-specific functionality of the plugin.
 *
 * @link       https://epicformbuilder.com
 * @since      1.0.0
 *
 * @package    Epicformbuilder
 * @subpackage Epicformbuilder/admin
 */

/**
 * The admin-specific functionality of the plugin.
 *
 * Defines the plugin name, version, and two examples hooks for how to
 * enqueue the admin-specific stylesheet and JavaScript.
 *
 * @package    Epicformbuilder
 * @subpackage Epicformbuilder/admin
 * @author     Epic Solitions Ltd <support@epicformbuilder.com>
 */
class Epicformbuilder_Admin {
	/**
	 * The ID of this plugin.
	 *
	 * @var string $page_hook_suffix The ID of this plugin.
	 */
	public $page_hook_suffix;

	/**
	 * Register the JavaScript and CSS for the admin area.
	 *
	 * @since 1.0.0
	 */
	public function register_scripts_and_styles() {
		Epicformbuilder_Vite::register(
			'epicforms-admin-client',
			'epicforms-admin-css',
			'dist/admin.js',
			'dist/admin.css',
			[ 'wp-api', 'wp-element' ]
		);
	}

	/**
	 * Register the stylesheets for the admin area.
	 *
	 * @since 1.0.0
	 *
	 * @param string $hook_suffix The current admin page.
	 */
	public function enqueue_styles( $hook_suffix ) {
		if ( $hook_suffix !== $this->page_hook_suffix ) {
			return;
		}

		wp_enqueue_style( 'epicforms-admin-css' );
		wp_add_inline_style(
			'epicforms-admin-css',
			'#wpcontent { padding-left: 0; }'
		);
	}

	/**
	 * Register the JavaScript for the admin area.
	 *
	 * @since    1.0.0
	 *
	 * @param string $hook_suffix The current admin page.
	 */
	public function enqueue_scripts( $hook_suffix ) {
		if ( $hook_suffix !== $this->page_hook_suffix ) {
			return;
		}

		Epicformbuilder_Vite::enqueue( 'epicforms-admin-client', 'epicforms-admin-css', 'src/admin/index.jsx' );
	}

	/**
	 * Adds Epic Forms Builder WordPress admin menu items
	 * @return void
	 */
	public function menu() {
		$this->page_hook_suffix = add_menu_page(
			'Epic Forms',
			'Epic Forms',
			'manage_options',
			'epicforms',
			[ $this, 'render' ],
			EPICFORMS_URL . 'assets/logo-20.svg'
		);
	}

	/**
	 * Handles protected file download requests
	 *
	 * @return void
	 */
	public function protected_download() {
		check_admin_referer( 'epicforms_protected_download' );

		if ( ! current_user_can( 'manage_options' ) ) {
			wp_die( 'Unauthorized', 'Error', [ 'response' => 403 ] );
		}

		$file = sanitize_file_name( wp_unslash( $_GET['file'] ?? '' ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- verified by check_admin_referer() above.
		$type = sanitize_file_name( wp_unslash( $_GET['type'] ?? '' ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- verified by check_admin_referer() above.

		if ( ! in_array( $type, [ 'exports', 'logs' ], true ) ) {
			wp_die( 'File not found', 'Error', [ 'response' => 404 ] );
		}

		$filepath = Epicformbuilder_Services_Uploads::base_dir() . "{$type}/{$file}";

		if ( ! $file || ! file_exists( $filepath ) ) {
			wp_die( 'File not found', 'Error', [ 'response' => 404 ] );
		}

		nocache_headers();
		header( 'Content-Description: File Transfer' );
		$content_type = 'exports' === $type ? 'text/csv; charset=utf-8' : 'text/plain; charset=utf-8';
		header( 'Content-Type: ' . $content_type );
		header( 'Content-Disposition: attachment; filename="' . basename( $filepath ) . '"' );
		header( 'Content-Length: ' . filesize( $filepath ) );
		flush();
		readfile( $filepath ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_readfile -- streaming file download to browser
		exit;
	}

	/**
	 * Renders Epic Forms Builder admin index page with ReactJS app on it
	 * @return void
	 */
	public function render() {
		include_once __DIR__ . '/partials/epicformbuilder-admin-display.php';
	}
}