<?php

declare(strict_types=1);

use App\Models\AdCampaign;
use App\Models\AdCampaignBanner;
use App\Models\Tenant;
use App\Models\User;
use App\Services\Advertising\BannerSizes;
use App\Services\Advertising\BannerUploadPolicy;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;

function bannerCampaign(): array
{
    $tenant = Tenant::factory()->create();
    $user = User::factory()->create(['tenant_id' => $tenant->id]);
    $campaign = AdCampaign::create([
        'tenant_id' => $tenant->id, 'name' => 'C', 'audience_days' => 10, 'use_uploaded_list' => false,
    ]);

    return [$tenant, $user, $campaign];
}

it('список слотов без загрузок содержит все 15 размеров, все не загружены', function () {
    [, $user, $campaign] = bannerCampaign();

    $res = $this->actingAs($user)->getJson("/api/advertising/campaigns/{$campaign->id}/banners");
    $res->assertOk();
    $res->assertJsonPath('approved_at', null);
    $res->assertJsonPath('max_bytes', BannerUploadPolicy::MAX_BYTES);
    expect($res->json('formats'))->toBe(BannerUploadPolicy::FORMATS);

    $slots = $res->json('slots');
    expect($slots)->toHaveCount(15);
    foreach ($slots as $slot) {
        expect($slot['uploaded'])->toBeFalse();
        expect($slot['banner_id'])->toBeNull();
        expect($slot['preview_url'])->toBeNull();
    }
});

it('загрузка баннера точного размера создаёт слот', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $res = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b.jpg', 728, 90),
    ]);

    $res->assertCreated();
    expect($res->json('slot.uploaded'))->toBeTrue();
    expect($res->json('slot.width'))->toBe(728);
    expect($res->json('slot.height'))->toBe(90);
    expect($res->json('slot.included'))->toBeTrue();

    $banner = AdCampaignBanner::where('campaign_id', $campaign->id)->where('width', 728)->where('height', 90)->first();
    expect($banner)->not->toBeNull();
    Storage::disk('local')->assertExists($banner->path);

    expect($campaign->fresh()->banners_approved_at)->toBeNull();
});

it('картинка не того размера — 422 с понятным сообщением', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $res = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b.jpg', 800, 100),
    ]);

    $res->assertStatus(422);
    expect($res->json('message'))->toContain('Нужен ровно 728×90');
});

it('неизвестный размер — 422', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $res = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 999, 'height' => 999,
        'file' => UploadedFile::fake()->image('b.jpg', 999, 999),
    ]);

    $res->assertStatus(422);
    expect($res->json('message'))->toBe('Неизвестный размер баннера.');
});

it('не-картинка отклоняется валидатором', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $res = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->create('b.txt', 5, 'text/plain'),
    ]);

    $res->assertStatus(422);
});

it('повторная загрузка того же размера заменяет строку, а не дублирует', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b1.jpg', 728, 90),
    ])->assertCreated();

    $campaign->update(['banners_approved_at' => now()]);

    $res = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b2.png', 728, 90),
    ]);
    $res->assertCreated();

    expect(AdCampaignBanner::where('campaign_id', $campaign->id)->where('width', 728)->where('height', 90)->count())->toBe(1);
    expect($campaign->fresh()->banners_approved_at)->toBeNull();
});

it('переключает included баннера', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $up = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b.jpg', 728, 90),
    ])->assertCreated();
    $bannerId = $up->json('slot.banner_id');

    $res = $this->actingAs($user)->patchJson("/api/advertising/campaigns/{$campaign->id}/banners/{$bannerId}", [
        'included' => false,
    ]);
    $res->assertOk();
    expect($res->json('slot.included'))->toBeFalse();

    $banner = AdCampaignBanner::find($bannerId);
    expect($banner->included)->toBeFalse();
});

it('удаляет баннер и сбрасывает утверждение', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $up = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b.jpg', 728, 90),
    ])->assertCreated();
    $bannerId = $up->json('slot.banner_id');
    $campaign->update(['banners_approved_at' => now()]);

    $res = $this->actingAs($user)->deleteJson("/api/advertising/campaigns/{$campaign->id}/banners/{$bannerId}");
    $res->assertStatus(204);

    expect(AdCampaignBanner::find($bannerId))->toBeNull();
    expect($campaign->fresh()->banners_approved_at)->toBeNull();
});

it('утверждает при хотя бы одном included баннере', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b.jpg', 728, 90),
    ])->assertCreated();

    $res = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners/approve");
    $res->assertOk();
    expect($campaign->fresh()->banners_approved_at)->not->toBeNull();
});

it('не утверждает, если все included=false', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $up = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b.jpg', 728, 90),
    ])->assertCreated();
    $bannerId = $up->json('slot.banner_id');
    $this->actingAs($user)->patchJson("/api/advertising/campaigns/{$campaign->id}/banners/{$bannerId}", ['included' => false])->assertOk();

    $res = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners/approve");
    $res->assertStatus(422);
    expect($res->json('message'))->toBe('Отметьте хотя бы один баннер для показа.');
});

it('нельзя утвердить пустой набор', function () {
    [, $user, $campaign] = bannerCampaign();
    $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners/approve")->assertStatus(422);
});

it('превью работает и отдаёт content-type по расширению', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();

    $up = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b.png', 728, 90),
    ])->assertCreated();
    $bannerId = $up->json('slot.banner_id');

    $preview = $this->actingAs($user)->get("/api/advertising/campaigns/{$campaign->id}/banners/{$bannerId}/preview");
    $preview->assertOk();
    expect($preview->headers->get('content-type'))->toContain('image/png');
});

it('чужой тенант не видит превью баннера (404)', function () {
    Storage::fake('local');
    [, $user, $campaign] = bannerCampaign();
    $up = $this->actingAs($user)->postJson("/api/advertising/campaigns/{$campaign->id}/banners", [
        'width' => 728, 'height' => 90,
        'file' => UploadedFile::fake()->image('b.jpg', 728, 90),
    ])->assertCreated();
    $bannerId = $up->json('slot.banner_id');

    $otherTenant = Tenant::factory()->create();
    $otherUser = User::factory()->create(['tenant_id' => $otherTenant->id]);
    $this->actingAs($otherUser)->get("/api/advertising/campaigns/{$campaign->id}/banners/{$bannerId}/preview")->assertNotFound();
});

it('размеры вне BannerSizes перечислены целиком и по порядку', function () {
    [, $user, $campaign] = bannerCampaign();
    $res = $this->actingAs($user)->getJson("/api/advertising/campaigns/{$campaign->id}/banners");
    $slots = $res->json('slots');
    foreach (BannerSizes::all() as $i => [$w, $h]) {
        expect($slots[$i]['width'])->toBe($w);
        expect($slots[$i]['height'])->toBe($h);
    }
});