<?php
namespace DayTidy\Modules\Notifications;

use DayTidy\Posts\Notification;

class Seeder
{
    public function init(): void
    {
        add_action('init', [$this, 'run'], 30);
    }

    public function run(): void
    {
        if (!post_type_exists(Notification::PT)) return;

        $operations_enabled = (bool) apply_filters('DayTidy/F__DayTidy/Menu/Menus/Notifications__operations/enabled', false);

        foreach (Registry::triggers() as $trigger => $details)
        {
            $existing_id = $this->existingId($trigger);
            if ($existing_id)
            {
                $this->backfillReminder($trigger, $existing_id, $operations_enabled);
                continue;
            }

            $post_id = wp_insert_post([
                'post_type' => Notification::PT,
                'post_title' => $details['label'],
                'post_status' => 'publish',
            ]);

            if (!$post_id || is_wp_error($post_id)) continue;

            update_post_meta($post_id, 'daytidy_notification_seed_key', $trigger . ':' . Registry::TYPE_EMAIL);
            update_post_meta($post_id, 'daytidy_notification_trigger', $trigger);
            update_post_meta($post_id, 'daytidy_notification_type', Registry::TYPE_EMAIL);
            update_post_meta($post_id, 'daytidy_notification_enabled', 1);
            update_post_meta($post_id, 'daytidy_notification_templates', Defaults::templates($trigger));

            $this->backfillReminder($trigger, absint($post_id), $operations_enabled);
        }
    }

    private function existingId(string $trigger): int
    {
        $posts = get_posts([
            'post_type' => Notification::PT,
            'post_status' => ['any', 'trash'],
            'posts_per_page' => 1,
            'fields' => 'ids',
            'meta_query' => [
                [
                    'key' => 'daytidy_notification_seed_key',
                    'value' => $trigger . ':' . Registry::TYPE_EMAIL,
                ],
            ],
        ]);

        return absint($posts[0] ?? 0);
    }

    private function backfillReminder(string $trigger, int $post_id, bool $operations_enabled): void
    {
        if (!$operations_enabled || $trigger !== Registry::TRIGGER_BOOKING_REMINDER_BEFORE_START) return;

        (new ReminderScheduler())->backfillNotification($post_id);
    }
}