<?php

declare(strict_types=1);

use App\Models\Artwork;
use App\Models\ArtworkAward;
use App\Models\ArtworkAwardStat;
use App\Models\User;
use App\Jobs\IndexArtworkJob;
use App\Services\HomepageService;
use App\Services\ArtworkAwardService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Foundation\Http\Middleware\VerifyCsrfToken;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Queue;

uses(RefreshDatabase::class);

beforeEach(function () {
    $this->withoutMiddleware(VerifyCsrfToken::class);
});

// ---------------------------------------------------------------------------
// Helper
// ---------------------------------------------------------------------------

function makePublishedArtwork(array $attrs = []): Artwork
{
    return Artwork::factory()->create(array_merge([
        'is_public'   => true,
        'is_approved' => true,
    ], $attrs));
}

// ---------------------------------------------------------------------------
// Service-layer tests
// ---------------------------------------------------------------------------

test('user can award an artwork', function () {
    $service = app(ArtworkAwardService::class);
    $user    = User::factory()->create(['created_at' => now()->subDays(30)]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $award = $service->award($artwork, $user, 'gold');

    expect($award->medal)->toBe('gold')
        ->and($award->weight)->toBe(5)
        ->and($award->artwork_id)->toBe($artwork->id)
        ->and($award->user_id)->toBe($user->id);
});

test('stats are recalculated after awarding', function () {
    $service = app(ArtworkAwardService::class);
    $owner   = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => $owner->id]);

    $userA = User::factory()->create();
    $userB = User::factory()->create();
    $userC = User::factory()->create();

    $service->award($artwork, $userA, 'gold');
    $service->award($artwork, $userB, 'silver');
    $service->award($artwork, $userC, 'bronze');

    $stat = ArtworkAwardStat::find($artwork->id);

    expect($stat->gold_count)->toBe(1)
        ->and($stat->silver_count)->toBe(1)
        ->and($stat->bronze_count)->toBe(1)
        ->and($stat->score_total)->toBe(9)
        ->and($stat->score_7d)->toBe(9)
        ->and($stat->score_30d)->toBe(9);
});

test('duplicate award is rejected', function () {
    $service = app(ArtworkAwardService::class);
    $user    = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $service->award($artwork, $user, 'gold');

    expect(fn () => $service->award($artwork, $user, 'silver'))
        ->toThrow(Illuminate\Validation\ValidationException::class);
});

test('user can change their award', function () {
    $service = app(ArtworkAwardService::class);
    $user    = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $service->award($artwork, $user, 'gold');
    $updated = $service->changeAward($artwork, $user, 'bronze');

    expect($updated->medal)->toBe('bronze')
        ->and($updated->weight)->toBe(1);

    $stat = ArtworkAwardStat::find($artwork->id);
    expect($stat->gold_count)->toBe(0)
        ->and($stat->bronze_count)->toBe(1)
        ->and($stat->score_total)->toBe(1);
});

test('user can remove their award', function () {
    $service = app(ArtworkAwardService::class);
    $user    = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $service->award($artwork, $user, 'silver');
    $service->removeAward($artwork, $user);

    expect(ArtworkAward::where('artwork_id', $artwork->id)->where('user_id', $user->id)->exists())
        ->toBeFalse();

    $stat = ArtworkAwardStat::find($artwork->id);
    expect($stat)->not->toBeNull()
        ->and($stat->silver_count)->toBe(0)
        ->and($stat->score_total)->toBe(0);
});

test('score formula is gold×5 + silver×3 + bronze×1', function () {
    $service = app(ArtworkAwardService::class);
    $owner   = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => $owner->id]);

    foreach (['gold', 'gold', 'silver', 'bronze'] as $medal) {
        $service->award($artwork, User::factory()->create(), $medal);
    }

    $stat = ArtworkAwardStat::find($artwork->id);
    expect($stat->score_total)->toBe((2 * 5) + (1 * 3) + (1 * 1));
});

test('recent medal scores only count medals inside the rolling windows', function () {
    $owner = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => $owner->id]);
    $service = app(ArtworkAwardService::class);

    DB::table('artwork_medals')->insert([
        [
            'artwork_id' => $artwork->id,
            'user_id' => User::factory()->create()->id,
            'medal_type' => 'gold',
            'weight' => 5,
            'created_at' => now()->subDays(2),
            'updated_at' => now()->subDays(2),
        ],
        [
            'artwork_id' => $artwork->id,
            'user_id' => User::factory()->create()->id,
            'medal_type' => 'silver',
            'weight' => 3,
            'created_at' => now()->subDays(10),
            'updated_at' => now()->subDays(10),
        ],
        [
            'artwork_id' => $artwork->id,
            'user_id' => User::factory()->create()->id,
            'medal_type' => 'bronze',
            'weight' => 1,
            'created_at' => now()->subDays(40),
            'updated_at' => now()->subDays(40),
        ],
    ]);

    $service->recalcStats($artwork->id);

    $stat = ArtworkAwardStat::find($artwork->id);

    expect($stat->score_total)->toBe(9)
        ->and($stat->score_7d)->toBe(5)
        ->and($stat->score_30d)->toBe(8);
});

// ---------------------------------------------------------------------------
// API endpoint tests
// ---------------------------------------------------------------------------

test('POST /api/artworks/{id}/award — guest is rejected', function () {
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $this->postJson("/api/artworks/{$artwork->id}/award", ['medal' => 'gold'])
        ->assertUnauthorized();
});

test('POST /api/artworks/{id}/award — authenticated user can award', function () {
    $user    = User::factory()->create(['created_at' => now()->subDays(30)]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $this->actingAs($user)
        ->postJson("/api/artworks/{$artwork->id}/award", ['medal' => 'gold'])
        ->assertCreated()
        ->assertJsonPath('awards.gold', 1)
        ->assertJsonPath('viewer_award', 'gold');
});

test('POST /api/artworks/{id}/medal upserts medal state and returns fresh stats', function () {
    $user = User::factory()->create(['created_at' => now()->subDays(30)]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $this->actingAs($user)
        ->postJson("/api/artworks/{$artwork->id}/medal", ['medal_type' => 'gold'])
        ->assertCreated()
        ->assertJsonPath('medals.gold', 1)
        ->assertJsonPath('medals.score', 5)
        ->assertJsonPath('current_user_medal', 'gold');

    $this->actingAs($user)
        ->postJson("/api/artworks/{$artwork->id}/medal", ['medal_type' => 'silver'])
        ->assertOk()
        ->assertJsonPath('medals.gold', 0)
        ->assertJsonPath('medals.silver', 1)
        ->assertJsonPath('medals.score', 3)
        ->assertJsonPath('current_user_medal', 'silver');

    expect(ArtworkAward::query()
        ->where('artwork_id', $artwork->id)
        ->where('user_id', $user->id)
        ->count())->toBe(1);
});

test('DELETE /api/artworks/{id}/medal removes the current medal idempotently', function () {
    $user = User::factory()->create(['created_at' => now()->subDays(30)]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    ArtworkAward::create([
        'artwork_id' => $artwork->id,
        'user_id' => $user->id,
        'medal' => 'silver',
        'weight' => 3,
    ]);

    $this->actingAs($user)
        ->deleteJson("/api/artworks/{$artwork->id}/medal")
        ->assertOk()
        ->assertJsonPath('current_user_medal', null)
        ->assertJsonPath('medals.score', 0);

    $this->actingAs($user)
        ->deleteJson("/api/artworks/{$artwork->id}/medal")
        ->assertOk()
        ->assertJsonPath('current_user_medal', null)
        ->assertJsonPath('medals.score', 0);
});

test('POST /api/artworks/{id}/award — duplicate is rejected with 422', function () {
    $user    = User::factory()->create(['created_at' => now()->subDays(30)]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    ArtworkAward::create([
        'artwork_id' => $artwork->id,
        'user_id'    => $user->id,
        'medal'      => 'gold',
        'weight'     => 5,
    ]);

    $this->actingAs($user)
        ->postJson("/api/artworks/{$artwork->id}/award", ['medal' => 'silver'])
        ->assertUnprocessable();
});

test('PUT /api/artworks/{id}/award — user can change their award', function () {
    $user    = User::factory()->create(['created_at' => now()->subDays(30)]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    ArtworkAward::create([
        'artwork_id' => $artwork->id,
        'user_id'    => $user->id,
        'medal'      => 'gold',
        'weight'     => 5,
    ]);

    $this->actingAs($user)
        ->putJson("/api/artworks/{$artwork->id}/award", ['medal' => 'bronze'])
        ->assertOk()
        ->assertJsonPath('viewer_award', 'bronze');
});

test('DELETE /api/artworks/{id}/award — user can remove their award', function () {
    $user    = User::factory()->create(['created_at' => now()->subDays(30)]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    ArtworkAward::create([
        'artwork_id' => $artwork->id,
        'user_id'    => $user->id,
        'medal'      => 'silver',
        'weight'     => 3,
    ]);

    $this->actingAs($user)
        ->deleteJson("/api/artworks/{$artwork->id}/award")
        ->assertOk()
        ->assertJsonPath('viewer_award', null);

    expect(ArtworkAward::where('artwork_id', $artwork->id)->exists())->toBeFalse();
});

test('GET /api/artworks/{id}/awards — returns stats publicly', function () {
    $owner   = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => $owner->id]);

    ArtworkAwardStat::create([
        'artwork_id'   => $artwork->id,
        'gold_count'   => 2,
        'silver_count' => 1,
        'bronze_count' => 3,
        'score_total'  => 16,
        'score_7d'     => 8,
        'score_30d'    => 12,
        'created_at'   => now(),
        'updated_at'   => now(),
    ]);

    $this->getJson("/api/artworks/{$artwork->id}/awards")
        ->assertOk()
        ->assertJsonPath('awards.gold', 2)
        ->assertJsonPath('awards.silver', 1)
        ->assertJsonPath('awards.bronze', 3)
        ->assertJsonPath('awards.score', 16)
        ->assertJsonPath('awards.score_7d', 8)
        ->assertJsonPath('awards.score_30d', 12);
});

test('observer recalculates stats when award is created', function () {
    $user    = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    ArtworkAward::create([
        'artwork_id' => $artwork->id,
        'user_id'    => $user->id,
        'medal'      => 'gold',
        'weight'     => 5,
    ]);

    $stat = ArtworkAwardStat::find($artwork->id);
    expect($stat->gold_count)->toBe(1)
        ->and($stat->score_total)->toBe(5);
});

// ---------------------------------------------------------------------------
// Abuse / security tests
// ---------------------------------------------------------------------------

test('new account below minimum age is rejected with 403', function () {
    $user    = User::factory()->create(['created_at' => now()->subHours(12)]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $this->actingAs($user)
        ->postJson("/api/artworks/{$artwork->id}/award", ['medal' => 'gold'])
        ->assertForbidden()
        ->assertJsonPath('message', 'Your account must be at least 24 hours old before giving medals.');
});

test('unverified account is rejected from the medal endpoint with a clear reason', function () {
    $user = User::factory()->unverified()->create(['created_at' => now()->subDays(30)]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $this->actingAs($user)
        ->postJson("/api/artworks/{$artwork->id}/medal", ['medal_type' => 'gold'])
        ->assertForbidden()
        ->assertJsonPath('message', 'Verify your email address before giving medals.');
});

test('user cannot award their own artwork', function () {
    $user    = User::factory()->create(['created_at' => now()->subDays(30)]);
    $artwork = makePublishedArtwork(['user_id' => $user->id]);

    $this->actingAs($user)
        ->postJson("/api/artworks/{$artwork->id}/award", ['medal' => 'gold'])
        ->assertForbidden()
        ->assertJsonPath('message', 'You cannot medal your own artwork.');
});

// ---------------------------------------------------------------------------
// Meilisearch sync test
// ---------------------------------------------------------------------------

test('awarding a medal dispatches artwork reindexing', function () {
    Queue::fake();

    $service = app(ArtworkAwardService::class);

    $user    = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    $service->award($artwork, $user, 'silver');

    Queue::assertPushed(IndexArtworkJob::class);
});

test('removing a medal dispatches artwork reindexing', function () {
    Queue::fake();

    $service = app(ArtworkAwardService::class);

    $user    = User::factory()->create();
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);

    DB::table('artwork_medals')->insert([
        'artwork_id' => $artwork->id,
        'user_id' => $user->id,
        'medal_type' => 'gold',
        'weight' => 5,
        'created_at' => now(),
        'updated_at' => now(),
    ]);

    $service->removeAward($artwork, $user);

    Queue::assertPushed(IndexArtworkJob::class);
});

test('cache invalidation occurs after medal updates', function () {
    $homepage = app(HomepageService::class);
    $service = app(ArtworkAwardService::class);
    $user = User::factory()->create(['created_at' => now()->subDays(30), 'email_verified_at' => now()]);
    $artwork = makePublishedArtwork(['user_id' => User::factory()->create()->id]);
    $guestPayloadKey = 'homepage.payload.guest.test.' . $artwork->id;

    Config::set('homepage.guest_payload_key', $guestPayloadKey);

    Cache::put('homepage.hero', ['stale' => true], 600);
    Cache::put('homepage.community-favorites.8', ['stale' => true], 600);
    Cache::put('homepage.hall-of-fame.8', ['stale' => true], 600);
    Cache::store($homepage->guestPayloadCacheStoreName())->put($guestPayloadKey, ['stale' => true], 600);

    $service->award($artwork, $user, 'gold');

    expect(Cache::get('homepage.hero'))->toBeNull()
        ->and(Cache::get('homepage.community-favorites.8'))->toBeNull()
        ->and(Cache::get('homepage.hall-of-fame.8'))->toBeNull()
        ->and(Cache::store($homepage->guestPayloadCacheStoreName())->get($guestPayloadKey))->toBeNull();
});