<?php
/**
 * CLI Tool: Generate & Seed Comprehensive AI Question Bank for any Unit
 * Usage:
 *   php backend/scripts/generate_unit_question_bank.php --unit=grade_10/math_10/semester_1/unit_01 --course=1 --count=50
 */

require_once dirname(__DIR__) . '/app/bootstrap.php';
require_once dirname(__DIR__) . '/app/Services/AiQuestionBankGeneratorService.php';

use App\Services\AiQuestionBankGeneratorService;

$options = getopt('', ['unit:', 'course:', 'count:']);

$unit = $options['unit'] ?? 'grade_10/math_10/semester_1/unit_01';
$courseId = isset($options['course']) ? (int)$options['course'] : 1;
$count = isset($options['count']) ? (int)$options['count'] : 50;

echo "========================================================\n";
echo "🚀 Saqel AI Question Bank Generator\n";
echo "========================================================\n";
echo "📁 Unit:   {$unit}\n";
echo "🎓 Course: {$courseId}\n";
echo "🎯 Target: {$count} Questions\n";
echo "--------------------------------------------------------\n";
echo "⏳ Ingesting Markdown files and calling AI Engine...\n";

try {
    $result = AiQuestionBankGeneratorService::generateUnitQuestionBank($unit, $courseId, $count);
    echo "✅ Success!\n";
    echo "📌 Exam ID:      {$result['exam_id']}\n";
    echo "📖 Unit Title:   {$result['unit_title']}\n";
    echo "🔢 Total Bank:   {$result['total_in_bank']} Questions Seeded into Database!\n";
    echo "========================================================\n";
    exit(0);
} catch (\Throwable $e) {
    echo "❌ Error: " . $e->getMessage() . "\n";
    echo "Trace: " . $e->getTraceAsString() . "\n";
    exit(1);
}