<?php
require_once __DIR__ . '/../db/config.php';
require_once __DIR__ . '/../includes/functions.php';
require_once __DIR__ . '/../includes/WablasService.php';

// Enable error logging for cron
ini_set('log_errors', 1);
$logFile = __DIR__ . '/../storage/cron_debug.log';
ini_set('error_log', $logFile);

file_put_contents($logFile, "[" . date('Y-m-d H:i:s') . "] Starting execution check\n", FILE_APPEND);

try {
    $settings = get_company_settings();
    
    $debugMsg = "Settings retrieved: \n" . print_r($settings, true) . "\n";
    file_put_contents($logFile, $debugMsg, FILE_APPEND);

    if (empty($settings['whatsapp_report_enabled']) || empty($settings['whatsapp_report_number']) || empty($settings['whatsapp_report_time'])) {
        file_put_contents($logFile, "[" . date('Y-m-d H:i:s') . "] Skipping: settings missing or disabled\n", FILE_APPEND);
        exit;
    }

    $timezone = !empty($settings['timezone']) ? $settings['timezone'] : 'UTC';
    date_default_timezone_set($timezone);

    $reportTime = $settings['whatsapp_report_time']; 

    $lastReportFile = __DIR__ . '/../storage/last_daily_report.txt';
    
    $lastReportDate = file_exists($lastReportFile) ? trim(file_get_contents($lastReportFile)) : '';

    $nowDt = new DateTime('now', new DateTimeZone($timezone));
    
    $targetTodayDt = clone $nowDt;
    $timeParts = explode(':', $reportTime);
    $targetTodayDt->setTime((int)$timeParts[0], (int)($timeParts[1] ?? 0), 0);
    
    $diffToday = $nowDt->getTimestamp() - $targetTodayDt->getTimestamp();
    
    $logEntry = "Now: " . $nowDt->format('Y-m-d H:i:s') . " | Target: " . $targetTodayDt->format('Y-m-d H:i:s') . " | Diff: $diffToday | LastSent: $lastReportDate\n";
    file_put_contents($logFile, "[" . date('Y-m-d H:i:s') . "] " . $logEntry, FILE_APPEND);

    if ($diffToday >= 0 && $diffToday <= 900 && $lastReportDate !== $nowDt->format('Y-m-d')) {
        file_put_contents($logFile, "[" . date('Y-m-d H:i:s') . "] Condition met: sending report\n", FILE_APPEND);
        // ... (rest of logic)
    } else {
        file_put_contents($logFile, "[" . date('Y-m-d H:i:s') . "] Condition not met: skipping\n", FILE_APPEND);
    }

} catch (Exception $e) {
    file_put_contents($logFile, "[" . date('Y-m-d H:i:s') . "] CRITICAL ERROR: " . $e->getMessage() . "\n", FILE_APPEND);
}