<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Illuminate\Support\Str;

class Display extends Model
{
    /** @use HasFactory<\Database\Factories\DisplayFactory> */
    use HasFactory;

    protected $fillable = [
        'name',
        'location',
        'is_active',
        'is_test',
        'preview_token',
    ];

    protected function casts(): array
    {
        return [
            'is_active' => 'boolean',
            'is_test' => 'boolean',
        ];
    }

    /**
     * @deprecated Wird in Phase 7 entfernt. Nutze stattdessen liveModules()
     * oder die Playlist-Relationen (livePlaylist, draftPlaylist).
     */
    public function versions(): BelongsToMany
    {
        return $this->belongsToMany(DisplayVersion::class, 'display_display_version')
            ->withPivot('sort_order')
            ->orderByPivot('sort_order');
    }

    /**
     * @return HasMany<DisplayPlaylist, $this>
     */
    public function playlists(): HasMany
    {
        return $this->hasMany(DisplayPlaylist::class);
    }

    /**
     * @return HasOne<DisplayPlaylist, $this>
     */
    public function livePlaylist(): HasOne
    {
        return $this->hasOne(DisplayPlaylist::class)
            ->where('status', DisplayPlaylist::STATUS_PUBLISHED);
    }

    /**
     * @return HasOne<DisplayPlaylist, $this>
     */
    public function draftPlaylist(): HasOne
    {
        return $this->hasOne(DisplayPlaylist::class)
            ->where('status', DisplayPlaylist::STATUS_DRAFT);
    }

    /**
     * Liefert die Module der aktuell veröffentlichten Bespielung in Reihenfolge.
     */
    public function liveModules(): BelongsToMany
    {
        return $this->belongsToMany(
            DisplayVersion::class,
            'display_playlist_items',
            'display_playlist_id',
            'display_version_id'
        )
            ->wherePivotIn(
                'display_playlist_id',
                DisplayPlaylist::query()
                    ->where('display_id', $this->id ?? 0)
                    ->where('status', DisplayPlaylist::STATUS_PUBLISHED)
                    ->select('id')
            )
            ->withPivot(['sort_order', 'id'])
            ->withTimestamps()
            ->orderByPivot('sort_order');
    }

    public function ensurePreviewToken(): string
    {
        if (! $this->preview_token) {
            $this->preview_token = Str::random(40);
            $this->save();
        }

        return $this->preview_token;
    }
}