<?php

use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;

uses(RefreshDatabase::class);

function createModerationCategory(): int
{
    $contentTypeId = DB::table('content_types')->insertGetId([
        'name' => 'Photography',
        'slug' => 'photography-' . Str::lower(Str::random(6)),
        'description' => null,
        'created_at' => now(),
        'updated_at' => now(),
    ]);

    return DB::table('categories')->insertGetId([
        'content_type_id' => $contentTypeId,
        'parent_id' => null,
        'name' => 'Moderation',
        'slug' => 'moderation-' . Str::lower(Str::random(6)),
        'description' => null,
        'image' => null,
        'is_active' => true,
        'sort_order' => 0,
        'created_at' => now(),
        'updated_at' => now(),
    ]);
}

function createModerationDraft(int $userId, int $categoryId, array $overrides = []): string
{
    $uploadId = (string) Str::uuid();

    DB::table('uploads')->insert(array_merge([
        'id' => $uploadId,
        'user_id' => $userId,
        'type' => 'image',
        'status' => 'draft',
        'processing_state' => 'ready',
        'moderation_status' => 'pending',
        'title' => 'Pending Moderation Upload',
        'category_id' => $categoryId,
        'is_scanned' => true,
        'has_tags' => true,
        'preview_path' => "tmp/drafts/{$uploadId}/preview.webp",
        'created_at' => now(),
        'updated_at' => now(),
    ], $overrides));

    return $uploadId;
}

function addReadyMainFile(string $uploadId, string $hash = 'aabbccddeeff00112233'): void
{
    Storage::disk('local')->put("tmp/drafts/{$uploadId}/main/main.jpg", 'jpg');
    Storage::disk('local')->put("tmp/drafts/{$uploadId}/preview.webp", 'preview');

    DB::table('upload_files')->insert([
        'upload_id' => $uploadId,
        'path' => "tmp/drafts/{$uploadId}/main/main.jpg",
        'type' => 'main',
        'hash' => $hash,
        'size' => 3,
        'mime' => 'image/jpeg',
        'created_at' => now(),
    ]);
}

it('admin sees pending uploads', function () {
    $admin = User::factory()->create(['role' => 'admin']);
    $owner = User::factory()->create();
    $categoryId = createModerationCategory();

    createModerationDraft($owner->id, $categoryId, ['title' => 'First Pending']);
    createModerationDraft($owner->id, $categoryId, ['title' => 'Second Pending']);

    $response = $this->actingAs($admin)->getJson('/api/admin/uploads/pending');

    $response->assertOk();
    $response->assertJsonCount(2, 'data');
});

it('non-admin is denied moderation API access', function () {
    $user = User::factory()->create(['role' => 'user']);

    $response = $this->actingAs($user)->getJson('/api/admin/uploads/pending');

    $response->assertStatus(403);
});

it('approve works', function () {
    $admin = User::factory()->create(['role' => 'moderator']);
    $owner = User::factory()->create();
    $categoryId = createModerationCategory();
    $uploadId = createModerationDraft($owner->id, $categoryId);

    $response = $this->actingAs($admin)->postJson("/api/admin/uploads/{$uploadId}/approve", [
        'note' => 'Looks good.',
    ]);

    $response->assertOk();

    $row = DB::table('uploads')->where('id', $uploadId)->first([
        'moderation_status',
        'moderation_note',
        'moderated_by',
        'moderated_at',
    ]);

    expect($row->moderation_status)->toBe('approved');
    expect($row->moderation_note)->toBe('Looks good.');
    expect((int) $row->moderated_by)->toBe((int) $admin->id);
    expect($row->moderated_at)->not->toBeNull();
});

it('reject works', function () {
    $admin = User::factory()->create(['role' => 'admin']);
    $owner = User::factory()->create();
    $categoryId = createModerationCategory();
    $uploadId = createModerationDraft($owner->id, $categoryId);

    $response = $this->actingAs($admin)->postJson("/api/admin/uploads/{$uploadId}/reject", [
        'note' => 'Policy violation.',
    ]);

    $response->assertOk();

    $row = DB::table('uploads')->where('id', $uploadId)->first([
        'status',
        'processing_state',
        'moderation_status',
        'moderation_note',
        'moderated_by',
        'moderated_at',
    ]);

    expect($row->status)->toBe('rejected');
    expect($row->processing_state)->toBe('rejected');
    expect($row->moderation_status)->toBe('rejected');
    expect($row->moderation_note)->toBe('Policy violation.');
    expect((int) $row->moderated_by)->toBe((int) $admin->id);
    expect($row->moderated_at)->not->toBeNull();
});

it('user cannot publish without approval', function () {
    Storage::fake('local');

    $owner = User::factory()->create(['role' => 'user']);
    $categoryId = createModerationCategory();
    $uploadId = createModerationDraft($owner->id, $categoryId, [
        'moderation_status' => 'pending',
        'title' => 'Blocked Publish',
    ]);

    addReadyMainFile($uploadId);

    $response = $this->actingAs($owner)->postJson("/api/uploads/{$uploadId}/publish");

    $response->assertStatus(422);
    $response->assertJsonFragment([
        'message' => 'Upload requires moderation approval before publish.',
    ]);
});