<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Spatie\Sluggable\HasSlug;
use Spatie\Sluggable\SlugOptions;

class Game extends Model
{
    use HasSlug;

    protected $fillable = [
        'igdb_id', 'slug', 'title', 'summary', 'cover_url', 'cover_thumb_url',
        'release_date', 'release_year', 'rating_avg', 'rating_count', 'review_count',
        'library_count', 'status',
    ];

    protected $casts = [
        'release_date' => 'date',
        'rating_avg'   => 'decimal:2',
    ];

    public function getSlugOptions(): SlugOptions
    {
        return SlugOptions::create()->generateSlugsFrom('title')->saveSlugsTo('slug');
    }

    public function getRouteKeyName(): string { return 'slug'; }

    public function genres(): BelongsToMany
    {
        return $this->belongsToMany(Genre::class, 'game_genre');
    }

    public function platforms(): BelongsToMany
    {
        return $this->belongsToMany(Platform::class, 'game_platform');
    }

    public function companies(): BelongsToMany
    {
        return $this->belongsToMany(Company::class, 'game_company')->withPivot('role');
    }

    public function screenshots(): HasMany
    {
        return $this->hasMany(GameScreenshot::class)->orderBy('order');
    }

    public function userGames(): HasMany
    {
        return $this->hasMany(UserGame::class);
    }

    public function reviews(): HasMany
    {
        return $this->hasMany(Review::class)->latest();
    }

    public function scopePublished($query)
    {
        return $query->where('status', 'published');
    }

    public function recalculateRating(): void
    {
        $stats = $this->userGames()->whereNotNull('rating')->selectRaw('AVG(rating) as avg, COUNT(*) as cnt')->first();
        $this->update([
            'rating_avg'   => $stats->avg ? round($stats->avg, 2) : null,
            'rating_count' => $stats->cnt ?? 0,
        ]);
    }
}