<?php

require __DIR__.'/../vendor/autoload.php';
$app = require_once __DIR__.'/../bootstrap/app.php';
$kernel = $app->make(Illuminate\Contracts\Console\Kernel::class);
$kernel->bootstrap();

use Carbon\Carbon;

$testStrings = [
    '2026-05-05 10:11:00', // raw local format without offset
    '2026-05-05T10:11:00+08:00', // ISO format with +08:00 offset
    'Tue May 05 2026 10:11:00 GMT+0800 (China Standard Time)', // JS format with offset
    '1770058260', // Unix timestamp for May 5, 2026 10:11:00 UTC+8 (which is 02:11:00 UTC)
];

foreach ($testStrings as $str) {
    echo "--- Parsing: '$str' ---\n";
    
    // Simulating parseDateSafe
    $cleanDateStr = trim(explode('(', $str)[0]);
    $parsed = null;
    if (is_numeric($cleanDateStr)) {
        $parsed = Carbon::createFromTimestamp($cleanDateStr);
    } else {
        $parsed = Carbon::parse($cleanDateStr);
    }
    
    echo "Parsed timezone: " . $parsed->tzName . "\n";
    echo "Parsed time string: " . $parsed->toDateTimeString() . "\n";
    
    // When saved to database, standard Laravel database driver uses $parsed->toDateTimeString()
    // OR it might format it in UTC. Let's see:
    $formattedForDb = $parsed->toDateTimeString();
    echo "Formatted for DB: " . $formattedForDb . "\n";
    
    // When retrieved from DB:
    $retrieved = Carbon::parse($formattedForDb); // Laravel parses from DB
    echo "Retrieved timezone: " . $retrieved->tzName . "\n";
    echo "Retrieved time string: " . $retrieved->toDateTimeString() . "\n\n";
}