<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Dcat\Admin\Traits\HasDateTimeFormatter;

class GuessOption extends Model
{
    use HasFactory, HasDateTimeFormatter;

    protected $table = 'guess_option';

    protected $fillable = ['guess_id', 'image', 'option_name', 'status', 'correct_state', 'description'];

    protected $attributes = [
        'status' => self::STATUS_ABLE,
        'correct_state' => self::UN_SET,
    ];

    const STATUS_ABLE = 1; // 禁用
    const STATUS_DISABLE = 0; // 启用

    const CORRECT = 1; // 正确结果
    const UN_CORRECT = 0; // 错误结果
    const UN_SET = 2; //未设置

    protected static function booted()
    {
        static::deleting(function ($guessOption) {
            if ($guessOption->users()->exists()) {
                throw new \Exception("已经有人竞猜无法删除");
            }
            $guessOption->users()->detach();
        });
    }

    public static $correctStateMap = [
        self::UN_SET => '结果统计中',
        self::CORRECT => '竞猜正确',
        self::UN_CORRECT => '竞猜失败',
        // self::UN_SET => '未公布结果',
        // self::CORRECT => '正确结果',
        // self::UN_CORRECT => '错误结果',
    ];

    public static $correctIcoMap = [
        self::UN_SET => 'danger',
        self::CORRECT => 'success',
        self::UN_CORRECT => 'warning',
    ];

    public static $statusMap = [
        self::STATUS_DISABLE => '禁用',
        self::STATUS_ABLE => '启用',
    ];
    
    public function guess()
    {
        return $this->belongsTo(Guess::class, 'guess_id');
    }

    /**
     * 选择此项的答题记录
     */
    public function users()
    {
        return $this->belongsToMany(UserGuess::class, 'user_guess_option', 'guess_option_id', 'user_guess_id');
    }

    public function getStatusNameAttribute() {
        return data_get(self::$statusMap, $this->status);
    }

    public function getCorrectStateNameAttribute() {
        return data_get(self::$correctStateMap, $this->correct_state);
    }
}