<?php

namespace App\Models;

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

class Adverse extends Model
{
    use SoftDeletes;

    protected $table = 'adverse';

    protected $fillable = [
        'project_id',
        'order_id',
        'type',
        'description',
        'solved_at',
        'solved_by',
        'solved_status',
        'solved_result'
    ];

    protected $dates = [
        'solved_at',
        'created_at',
        'updated_at',
        'deleted_at'
    ];

    // 状态常量
    const STATUS_PENDING = 'pending';      // 待处理
    const STATUS_PROCESSING = 'processing'; // 处理中
    const STATUS_SOLVED = 'solved';        // 已解决
    const STATUS_CLOSED = 'closed';        // 已关闭

    // 类型常量
    const TYPE_SERVICE = 'service';        // 服务问题
    const TYPE_QUALITY = 'quality';        // 质量问题
    const TYPE_SAFETY = 'safety';          // 安全问题
    const TYPE_COMPLAINT = 'complaint';    // 投诉
    const TYPE_OTHER = 'other';            // 其他

    /**
     * 获取状态列表
     */
    public static function getStatusList()
    {
        return [
            self::STATUS_PENDING => '待处理',
            self::STATUS_PROCESSING => '处理中',
            self::STATUS_SOLVED => '已解决',
            self::STATUS_CLOSED => '已关闭'
        ];
    }

    /**
     * 获取类型列表
     */
    public static function getTypeList()
    {
        return [
            self::TYPE_SAFETY => '意外事件',
            self::TYPE_COMPLAINT => '沟通事件',
            self::TYPE_OTHER => '其他'
        ];
    }

    /**
     * 关联项目
     */
    public function project()
    {
        return $this->belongsTo(Project::class);
    }

    /**
     * 关联订单
     */
    public function order()
    {
        return $this->belongsTo(Orders::class);
    }

    /**
     * 关联解决人（管理员）
     */
    public function solver()
    {
        return $this->belongsTo(\App\Admin::class, 'solved_by');
    }

    /**
     * 获取状态文本
     */
    public function getStatusTextAttribute()
    {
        $statusList = self::getStatusList();
        return $statusList[$this->solved_status] ?? '未知状态';
    }

    /**
     * 获取类型文本
     */
    public function getTypeTextAttribute()
    {
        $typeList = self::getTypeList();
        return $typeList[$this->type] ?? '未知类型';
    }

    /**
     * 是否已解决
     */
    public function isSolved()
    {
        return in_array($this->solved_status, [self::STATUS_SOLVED, self::STATUS_CLOSED]);
    }

    /**
     * 是否待处理
     */
    public function isPending()
    {
        return $this->solved_status === self::STATUS_PENDING;
    }

    /**
     * 处理中
     */
    public function isProcessing()
    {
        return $this->solved_status === self::STATUS_PROCESSING;
    }
}