<?php

namespace Database\Seeders;

use App\Models\Emotion;
use App\Models\Event;
use App\Models\Photo;
use App\Models\PhotoLike;
use App\Models\Task;
use App\Models\Tenant;
use Carbon\CarbonImmutable;
use Illuminate\Database\Seeder;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;

class DemoAchievementsSeeder extends Seeder
{
    public function run(): void
    {
        $event = Event::where('slug', 'demo-wedding-2025')->first();
        $tenant = Tenant::where('slug', 'demo')->first();

        if (! $event || ! $tenant) {
            $this->command?->warn('Demo event/tenant missing – skipping DemoAchievementsSeeder');
            return;
        }

        $tasks = Task::where('tenant_id', $tenant->id)->pluck('id')->all();
        $emotions = Emotion::pluck('id')->all();

        if ($tasks === [] || $emotions === []) {
            $this->command?->warn('Tasks or emotions missing – skipping DemoAchievementsSeeder');
            return;
        }

        $sourceFiles = collect(Storage::disk('public')->files('photos'))
            ->filter(fn ($path) => Str::endsWith(Str::lower($path), '.jpg'))
            ->values();

        if ($sourceFiles->isEmpty()) {
            $this->command?->warn('No demo photo files found – skipping DemoAchievementsSeeder');
            return;
        }

        $blueprints = [
            ['guest' => 'Anna Mueller', 'photos' => 6, 'likes' => [12, 8, 5, 4, 2, 1], 'withTasks' => true],
            ['guest' => 'Max Schmidt', 'photos' => 4, 'likes' => [9, 7, 4, 2], 'withTasks' => true],
            ['guest' => 'Lisa Weber', 'photos' => 2, 'likes' => [3, 1], 'withTasks' => false],
            ['guest' => 'Tom Fischer', 'photos' => 1, 'likes' => [14], 'withTasks' => true],
            ['guest' => 'Team Brautparty', 'photos' => 5, 'likes' => [5, 4, 3, 3, 2], 'withTasks' => true],
        ];

        $eventDate = $event->date ? CarbonImmutable::parse($event->date) : CarbonImmutable::now();
        $baseDir = "events/{$event->id}/achievements";
        Storage::disk('public')->makeDirectory($baseDir);
        Storage::disk('public')->makeDirectory("{$baseDir}/thumbs");

        $photoIndex = 0;

        foreach ($blueprints as $groupIndex => $blueprint) {
            for ($i = 0; $i < $blueprint['photos']; $i++) {
                $source = $sourceFiles[$photoIndex % $sourceFiles->count()];
                $photoIndex++;

                $filename = Str::slug($blueprint['guest'] . '-' . $groupIndex . '-' . $i) . '.jpg';
                $destPath = "{$baseDir}/{$filename}";
                if (! Storage::disk('public')->exists($destPath)) {
                    Storage::disk('public')->copy($source, $destPath);
                }

                $thumbSource = str_replace('photos/', 'thumbnails/', $source);
                $thumbDest = "{$baseDir}/thumbs/{$filename}";
                if (Storage::disk('public')->exists($thumbSource)) {
                    Storage::disk('public')->copy($thumbSource, $thumbDest);
                } else {
                    Storage::disk('public')->copy($source, $thumbDest);
                }

                $taskId = $blueprint['withTasks'] ? $tasks[($groupIndex + $i) % count($tasks)] : null;
                $emotionId = $emotions[($groupIndex * 3 + $i) % count($emotions)];
                $createdAt = $eventDate->addHours($groupIndex * 2 + $i);
                $likes = $blueprint['likes'][$i] ?? 0;

                $photo = Photo::updateOrCreate(
                    [
                        'tenant_id' => $tenant->id,
                        'event_id' => $event->id,
                        'guest_name' => $blueprint['guest'],
                        'file_path' => $destPath,
                    ],
                    [
                        'task_id' => $taskId,
                        'emotion_id' => $emotionId,
                        'thumbnail_path' => $thumbDest,
                        'likes_count' => $likes,
                        'is_featured' => $i === 0,
                        'metadata' => ['demo' => true],
                        'created_at' => $createdAt,
                        'updated_at' => $createdAt,
                    ]
                );

                PhotoLike::where('photo_id', $photo->id)->delete();
                for ($like = 0; $like < min($likes, 15); $like++) {
                    PhotoLike::create([
                        'photo_id' => $photo->id,
                        'guest_name' => 'Guest_' . Str::random(6),
                        'ip_address' => '10.0.' . rand(0, 254) . '.' . rand(0, 254),
                        'created_at' => $createdAt->addMinutes($like * 3),
                    ]);
                }
            }
        }

        $this->command?->info('Demo achievements seeded.');
    }
}