<?php
// ============================================================
// schedule_manager.php
// Creates and schedules tasks for the bots
// ============================================================

require_once __DIR__ . '/../../core/bootstrap.php';
require_once __DIR__ . '/gemini_comment_generator.php';

class ScheduleManager {
    private $con;

    public function __construct() {
        $this->con = Database::get('main');
    }

    /**
     * Create a new task and optionally generate a comment for it using Gemini.
     * 
     * @param string $platform 'facebook' or 'instagram'
     * @param string $type 'join_group', 'read_posts', 'post_comment', 'share_link'
     * @param string|null $targetUrl The group or post URL
     * @param string|null $promptContext Context for Gemini
     * @param int|null $accountId Specific account ID or null for any available
     * @param int $delayMinutes How many minutes to delay this task
     */
    public function scheduleTask($platform, $type, $targetUrl = null, $promptContext = null, $accountId = null, $delayMinutes = 0) {
        // Quiet hours check (e.g. don't schedule tasks between 1 AM and 6 AM)
        $currentHour = (int)date('H');
        if ($currentHour >= 1 && $currentHour < 6) {
            // Push it to 6 AM if we are in quiet hours
            $hoursToAdd = 6 - $currentHour;
            $delayMinutes += ($hoursToAdd * 60);
        }

        $scheduledAt = date('Y-m-d H:i:s', strtotime("+$delayMinutes minutes"));
        
        $generatedComment = null;
        if (($type === 'post_comment' || $type === 'share_link') && $promptContext) {
            // Pre-generate the comment using Gemini
            // If it's share_link, we want an intent to promote, otherwise just answer/interact
            $intent = ($type === 'share_link') ? 'promote_siro' : 'answer_question';
            $generatedComment = generateCommentWithGemini($promptContext, $intent);
        }

        $stmt = $this->con->prepare("
            INSERT INTO social_tasks (account_id, platform, type, target_url, prompt_context, generated_comment, scheduled_at, status)
            VALUES (?, ?, ?, ?, ?, ?, ?, 'pending')
        ");
        
        return $stmt->execute([
            $accountId, 
            $platform, 
            $type, 
            $targetUrl, 
            $promptContext, 
            $generatedComment, 
            $scheduledAt
        ]);
    }
}

// Example usage via CLI
if (php_sapi_name() === 'cli' && isset($argv[1]) && $argv[1] === 'test_schedule') {
    $sm = new ScheduleManager();
    $context = "شو رأيكم بتطبيق سيرو يا كباتن؟ حد جربه؟";
    $success = $sm->scheduleTask('facebook', 'post_comment', 'https://facebook.com/groups/amman.drivers/post/12345', $context, null, 5);
    echo $success ? "Task scheduled successfully!\n" : "Failed to schedule task.\n";
}