<?php

use App\Enums\GenerationCreditTransactionType;
use App\Enums\RewardedAdSessionStatus;
use App\Models\GenerationCreditBalance;
use App\Models\GenerationCreditTransaction;
use App\Models\RewardedAdSession;
use App\Models\User;
use App\Services\AdMobServerSideVerificationVerifier;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\Request;
use Laravel\Sanctum\Sanctum;

uses(RefreshDatabase::class);

beforeEach(function (): void {
    config()->set('admob.rewarded.android_ad_unit_id', 'ca-app-pub-test/android-rewarded');
    config()->set('admob.rewarded.ios_ad_unit_id', 'ca-app-pub-test/ios-rewarded');
    config()->set('admob.rewarded.reward_amount', 1);
    config()->set('admob.rewarded.reward_item', 'generation_credit');

    $this->app->instance(
        AdMobServerSideVerificationVerifier::class,
        new class extends AdMobServerSideVerificationVerifier
        {
            public function verify(Request $request): void
            {
                //
            }
        },
    );
});

it('returns the generation credit status', function () {
    $user = User::factory()->create();

    GenerationCreditBalance::factory()->create([
        'user_id' => $user->id,
        'balance' => 2,
    ]);

    Sanctum::actingAs($user);

    $this
        ->getJson('/api/me/generation-credits')
        ->assertOk()
        ->assertJsonPath('data.balance', 2)
        ->assertJsonPath('data.canWatchRewardedAd', true)
        ->assertJsonPath('data.rewardedAdConfigured', true);
});

it('creates a rewarded ad session for the current day', function () {
    $user = User::factory()->create();

    Sanctum::actingAs($user);

    $response = $this
        ->postJson('/api/me/rewarded-ad-sessions', [
            'platform' => 'android',
        ])
        ->assertCreated()
        ->assertJsonPath('data.adUnitId', 'ca-app-pub-test/android-rewarded')
        ->assertJsonPath('data.userId', $user->id);

    $session = RewardedAdSession::query()->sole();

    expect($session->custom_data)->toBe($response->json('data.customData'))
        ->and($session->status)->toBe(RewardedAdSessionStatus::CREATED)
        ->and($session->reward_date->toDateString())->toBe(now('UTC')->toDateString());
});

it('reuses an active rewarded ad session', function () {
    $user = User::factory()->create();

    Sanctum::actingAs($user);

    $firstSessionId = $this
        ->postJson('/api/me/rewarded-ad-sessions', [
            'platform' => 'ios',
        ])
        ->assertCreated()
        ->json('data.id');

    $this
        ->postJson('/api/me/rewarded-ad-sessions', [
            'platform' => 'ios',
        ])
        ->assertOk()
        ->assertJsonPath('data.id', $firstSessionId);

    expect(RewardedAdSession::query()->count())->toBe(1);
});

it('grants one generation credit from a verified rewarded ad callback', function () {
    $user = User::factory()->create();

    Sanctum::actingAs($user);

    $sessionPayload = $this
        ->postJson('/api/me/rewarded-ad-sessions', [
            'platform' => 'android',
        ])
        ->assertCreated()
        ->json('data');

    $this
        ->get('/api/admob/rewarded-ads/callback?'.http_build_query([
            'ad_network' => '5450213213286189855',
            'ad_unit' => 'ca-app-pub-test/android-rewarded',
            'custom_data' => $sessionPayload['customData'],
            'reward_amount' => 1,
            'reward_item' => 'generation_credit',
            'timestamp' => now()->getTimestampMs(),
            'transaction_id' => 'reward-transaction-1',
            'user_id' => $user->id,
        ]))
        ->assertOk()
        ->assertSee('ok');

    $transaction = GenerationCreditTransaction::query()->sole();
    $session = RewardedAdSession::query()->sole();

    expect($transaction->type)->toBe(GenerationCreditTransactionType::AD_REWARD)
        ->and($transaction->amount)->toBe(1)
        ->and($transaction->daily_reward_key)->toBe('ad:'.$session->reward_date->toDateString())
        ->and($session->status)->toBe(RewardedAdSessionStatus::REWARDED)
        ->and(GenerationCreditBalance::query()->whereKey($user->id)->value('balance'))->toBe(1);
});

it('accepts the numeric ad unit id returned by admob callbacks', function () {
    $user = User::factory()->create();

    Sanctum::actingAs($user);

    $sessionPayload = $this
        ->postJson('/api/me/rewarded-ad-sessions', [
            'platform' => 'android',
        ])
        ->assertCreated()
        ->json('data');

    $this
        ->get('/api/admob/rewarded-ads/callback?'.http_build_query([
            'ad_unit' => 'android-rewarded',
            'custom_data' => $sessionPayload['customData'],
            'reward_amount' => 1,
            'reward_item' => 'generation_credit',
            'transaction_id' => 'reward-transaction-numeric-ad-unit',
            'user_id' => $user->id,
        ]))
        ->assertOk();

    expect(GenerationCreditBalance::query()->whereKey($user->id)->value('balance'))->toBe(1);
});

it('rejects unexpected rewarded ad units', function () {
    $user = User::factory()->create();

    Sanctum::actingAs($user);

    $sessionPayload = $this
        ->postJson('/api/me/rewarded-ad-sessions', [
            'platform' => 'android',
        ])
        ->assertCreated()
        ->json('data');

    $this
        ->get('/api/admob/rewarded-ads/callback?'.http_build_query([
            'ad_unit' => 'unexpected-ad-unit',
            'custom_data' => $sessionPayload['customData'],
            'reward_amount' => 1,
            'reward_item' => 'generation_credit',
            'transaction_id' => 'reward-transaction-unexpected-ad-unit',
            'user_id' => $user->id,
        ]))
        ->assertBadRequest();

    expect(GenerationCreditBalance::query()->whereKey($user->id)->value('balance'))->toBeNull();
});

it('does not grant more than one rewarded ad credit per day', function () {
    $user = User::factory()->create();

    Sanctum::actingAs($user);

    $firstSession = RewardedAdSession::factory()->create([
        'user_id' => $user->id,
        'reward_date' => now('UTC')->toDateString(),
    ]);
    $secondSession = RewardedAdSession::factory()->create([
        'user_id' => $user->id,
        'reward_date' => now('UTC')->toDateString(),
    ]);

    foreach ([$firstSession, $secondSession] as $index => $session) {
        $this
            ->get('/api/admob/rewarded-ads/callback?'.http_build_query([
                'ad_unit' => 'ca-app-pub-test/android-rewarded',
                'custom_data' => $session->custom_data,
                'reward_amount' => 1,
                'reward_item' => 'generation_credit',
                'transaction_id' => 'reward-transaction-'.$index,
                'user_id' => $user->id,
            ]))
            ->assertOk();
    }

    expect(GenerationCreditTransaction::query()->where('type', GenerationCreditTransactionType::AD_REWARD)->count())->toBe(1)
        ->and(GenerationCreditBalance::query()->whereKey($user->id)->value('balance'))->toBe(1)
        ->and($secondSession->refresh()->status)->toBe(RewardedAdSessionStatus::REJECTED);
});

it('prevents new rewarded ad sessions after today reward is claimed', function () {
    $user = User::factory()->create();

    GenerationCreditTransaction::factory()->create([
        'user_id' => $user->id,
        'daily_reward_key' => 'ad:'.now('UTC')->toDateString(),
    ]);

    Sanctum::actingAs($user);

    $this
        ->postJson('/api/me/rewarded-ad-sessions', [
            'platform' => 'android',
        ])
        ->assertUnprocessable()
        ->assertJsonPath('message', __('api.generation_credits.rewarded_ad_unavailable'));
});