<?php

namespace App\Models;

use App\Game\GameSettings;

use Kirschbaum\PowerJoins\PowerJoins;

use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

use Illuminate\Support\Str;

class Card extends Model
{
    use HasFactory, SoftDeletes, PowerJoins;

    public $timestamps = false;

    protected $appends = ['subject', 'subject_type'];

    public $fillable = [
        'body',
        'character_id',
        'raid_id',
        'class',
        'role'
    ];

    /**
     * Get the character that's associated with this card.
     */
    public function character()
    {
        return $this->belongsTo(Character::class);
    }

    /**
     * Get the raid that's associated with this card.
     */
    public function raid()
    {
        return $this->belongsTo(Raid::class);
    }

    /**
     * Who, Where or What this card belongs to.
     */
    public function getSubjectAttribute()
    {
        if ($this->character) {
            return $this->character->name;
        } else if ($this->class) {
            return Str::ucfirst($this->class);
        } else if ($this->role) {
            return Str::ucfirst($this->role);
        }
        return "Somebody";
    }

    /**
     * Who, Where or What this card belongs to.
     */
    public function getSubjectTypeAttribute()
    {
        if ($this->character) {
            return "Character";
        } else if ($this->class) {
            return "Class";
        } else if ($this->role) {
            return "Roll";
        }
        return "Anyone";
    }

    /**
     * Get cards depending on settings.
     */
    public static function getBySettings(GameSettings $settings, ?int $max = null)
    {
        // Map type of setting to database column.
        $type_map = [
            'characters'    => 'character_id',
            'raids'         => 'raid_id',
            'classes'       => 'class',
            'roles'         => 'role'
        ];

        $query = self::query()
            ->inRandomOrder();

        // Run through all settings and apply filter.
        foreach ($settings->all() as $type => $values) {

            $column = $type_map[$type];

            $query->where(function ($q) use ($column, $values) {
                $q->whereIn($column, $values)->orWhereNull($column);
            });
        }

        if ($max !== null) {
            $query->limit($max);
        }

        return $query->get()
            ->makeHidden(['character', 'class', 'deleted_at']);
    }
}