<?php

it('task-questions.php config exists', function () {
    expect(file_exists(base_path('config/task-questions.php')))->toBeTrue();
});

it('config is keyed by task slug (semantic, not by color)', function () {
    $bank = config('task-questions');
    // Should NOT have keys 'primary', 'rose', etc. directly
    foreach (['primary', 'rose', 'violet', 'green', 'amber'] as $color) {
        expect(array_key_exists($color, $bank))->toBeFalse("Bank should be slug-keyed, not color-keyed; found '{$color}'");
    }
    // Should have task slugs
    expect(array_key_exists('math-multiplikation-bis-100', $bank))->toBeTrue();
    expect(array_key_exists('deutsch-wortarten-nomen-verben', $bank))->toBeTrue();
});

it('each question has required keys by type', function () {
    $bank = config('task-questions');
    foreach ($bank as $slug => $questions) {
        foreach ($questions as $i => $q) {
            $type = $q['type'] ?? 'choice';
            expect($q)->toHaveKeys(['question', 'correct', 'lerni_hint', 'lerni_steps'], "Slug {$slug} q{$i} missing common keys");
            expect($q['lerni_steps'])->toBeArray()->not->toBeEmpty();

            match ($type) {
                'choice' => (function () use ($q, $slug, $i) {
                    expect($q)->toHaveKey('options');
                    expect($q['options'])->toHaveCount(4);
                    expect($q['correct'])->toBeInt()->toBeGreaterThanOrEqual(0)->toBeLessThan(4);
                })(),
                'cloze' => (function () use ($q, $slug, $i) {
                    expect($q['correct'])->toBeString()->not->toBe('');
                })(),
                'geo-map' => (function () use ($q, $slug, $i) {
                    expect($q)->toHaveKey('regions');
                    expect($q['regions'])->toBeArray()->not->toBeEmpty();
                    $keys = array_column($q['regions'], 'key');
                    expect(in_array($q['correct'], $keys, true))
                        ->toBeTrue("geo-map {$slug} q{$i}: correct '{$q['correct']}' not in regions[]");
                    foreach ($q['regions'] as $r) {
                        expect($r)->toHaveKeys(['key', 'label', 'd']);
                    }
                })(),
                default => throw new \LogicException("Unknown type '{$type}' in {$slug} q{$i}"),
            };
        }
    }
});

it('each task slug in config/tasks.php has a matching question bank', function () {
    foreach (config('tasks', []) as $t) {
        $bank = config("task-questions.{$t['slug']}");
        expect($bank)->toBeArray()->not->toBeEmpty("Task slug '{$t['slug']}' has no question bank");
    }
});

it('different task slugs return different questions', function () {
    $math   = config('task-questions.math-multiplikation-bis-100');
    $german = config('task-questions.deutsch-wortarten-nomen-verben');
    expect($math[0]['question'])->not->toBe($german[0]['question']);
});

it('math-geometrie and math-multiplikation share color but have different questions', function () {
    $mult = config('task-questions.math-multiplikation-bis-100');
    $geom = config('task-questions.math-geometrie-flaechen');
    expect($mult[0]['question'])->not->toBe($geom[0]['question']);
});