<?php

namespace Tests\Feature;

use App\Http\Middleware\VerifyCsrfToken;
use App\Models\User;
use App\Models\Video;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

/**
 * Covers the bulk cleanup of deferred items:
 * end-screen markup, C hotkey, guest subscribe prompt, /@handle tab aliases,
 * channel videos cursor endpoint, shorts comments pane, studio skeleton.
 */
class DeferredCleanupTest extends TestCase
{
    use RefreshDatabase;

    protected function setUp(): void
    {
        putenv('DB_CONNECTION=sqlite');
        putenv('DB_DATABASE=:memory:');
        $_ENV['DB_CONNECTION'] = 'sqlite';
        $_ENV['DB_DATABASE']   = ':memory:';

        parent::setUp();

        $this->withoutMiddleware([
            VerifyCsrfToken::class,
            \Illuminate\Session\Middleware\AuthenticateSession::class,
        ]);
    }

    // ─── Player ─────────────────────────────────────

    public function test_player_component_ships_the_end_screen_markup(): void
    {
        $u = $this->makeUser();
        $v = $this->makeVideo($u);
        $html = view('components.video-player', ['video' => $v])->render();

        $this->assertStringContainsString('id="ytpEndScreen"', $html);
        $this->assertStringContainsString('ytp-end-countdown', $html, 'countdown ring class hook');
        $this->assertStringContainsString('id="ytpEndRing"', $html);
        $this->assertStringContainsString('id="ytpEndCancel"', $html);
    }

    public function test_player_binds_c_hotkey_to_lyrics_button(): void
    {
        $u = $this->makeUser();
        $v = $this->makeVideo($u);
        $html = view('components.video-player', ['video' => $v])->render();

        $this->assertStringContainsString("case 'c':", $html);
        $this->assertStringContainsString('ytpLyricsBtn', $html);
    }

    // ─── Guest Subscribe prompt ────────────────────

    public function test_guest_subscribe_button_preserves_intended_url(): void
    {
        $u = $this->makeUser();
        $v = $this->makeVideo($u);
        $html = view('components.video-actions', ['video' => $v])->render();

        $this->assertStringContainsString('?intended=', $html,
            'Guest Subscribe button must redirect to login with ?intended=.');
        $this->assertStringContainsString('encodeURIComponent', $html);
    }

    // ─── /@handle tab aliases ───────────────────────

    public function test_handle_tab_alias_302_redirects_to_hash_url(): void
    {
        $u = User::factory()->create(['username' => 'hta-'.substr(bin2hex(random_bytes(3)), 0, 6)]);

        $r = $this->get('/@' . $u->username . '/videos');
        $r->assertStatus(302);
        $this->assertStringEndsWith('#videos', $r->headers->get('Location'));
    }

    public function test_handle_tab_alias_404s_on_unknown_tab(): void
    {
        $u = User::factory()->create(['username' => 'htn-'.substr(bin2hex(random_bytes(3)), 0, 6)]);

        $this->get('/@' . $u->username . '/nonsense')->assertStatus(404);
    }

    // ─── Channel videos cursor endpoint ─────────────

    public function test_channel_videos_more_returns_cursor_json(): void
    {
        $u = $this->makeUser();
        // Twice the page size so has_more is true.
        for ($i = 0; $i < 30; $i++) {
            $this->makeVideo($u, ['title' => 'Vid '.$i]);
        }

        $r = $this->getJson(route('channel.videos.more', ['username' => $u->username]));
        $r->assertOk()
          ->assertJsonStructure(['items', 'next_cursor', 'has_more'])
          ->assertJson(['has_more' => true]);
        $this->assertStringContainsString('yt-video-card', $r->json('items'));
    }

    // ─── Studio ─────────────────────────────────────

    public function test_studio_requires_authentication(): void
    {
        $this->get(route('studio'))->assertStatus(302);
    }

    public function test_studio_renders_only_my_videos(): void
    {
        $me    = $this->makeUser();
        $other = $this->makeUser();
        $mine  = $this->makeVideo($me, ['title' => 'MyStudioVideo']);
        $theirs = $this->makeVideo($other, ['title' => 'TheirVideo']);
        $this->actingAs($me);

        $html = $this->get(route('studio'))->getContent();

        $this->assertStringContainsString('MyStudioVideo', $html);
        $this->assertStringNotContainsString('TheirVideo', $html);
    }

    public function test_studio_bulk_visibility_refuses_other_users_videos(): void
    {
        $me    = $this->makeUser();
        $other = $this->makeUser();
        $mine  = $this->makeVideo($me, ['visibility' => 'public']);
        $theirs = $this->makeVideo($other, ['visibility' => 'public']);
        $this->actingAs($me);

        $this->postJson(route('studio.bulkVisibility'), [
            'video_ids'  => [$mine->id, $theirs->id],
            'visibility' => 'private',
        ])->assertOk()->assertJson(['updated' => 1]);

        $this->assertEquals('private', $mine->fresh()->visibility);
        $this->assertEquals('public',  $theirs->fresh()->visibility,
            'A crafted request body must not flip another user\'s video.');
    }

    public function test_studio_bulk_delete_scoped_to_owner(): void
    {
        $me    = $this->makeUser();
        $other = $this->makeUser();
        $mine  = $this->makeVideo($me);
        $theirs = $this->makeVideo($other);
        $this->actingAs($me);

        $this->postJson(route('studio.bulkDelete'), [
            'video_ids' => [$mine->id, $theirs->id],
        ])->assertOk()->assertJson(['deleted' => 1]);

        $this->assertNull(Video::find($mine->id));
        $this->assertNotNull(Video::find($theirs->id));
    }

    // ─── Helpers ────────────────────────────────────

    private function makeUser(): User
    {
        return User::factory()->create([
            'username' => 'u'.substr(bin2hex(random_bytes(4)), 0, 8),
        ]);
    }

    private function makeVideo(User $u, array $attrs = []): Video
    {
        return Video::create(array_merge([
            'user_id'     => $u->id,
            'title'       => 'T',
            'description' => '',
            'filename'    => 'users/x/videos/'.substr(bin2hex(random_bytes(4)), 0, 8).'/video.mp4',
            'path'        => 'users/x/videos/'.substr(bin2hex(random_bytes(4)), 0, 8).'/video.mp4',
            'type'        => 'generic',
            'visibility'  => 'public',
            'status'      => 'ready',
            'share_token' => bin2hex(random_bytes(8)),
        ], $attrs));
    }
}