<?php

namespace App\Models;

use App\Helpers\Str;
use Illuminate\Database\Eloquent\Model;

class UserInfo extends Model
{
    public const GENDER_UNKNOWN = 'unknown';    // 未知
    public const GENDER_MALE = 'male';          // 男性
    public const GENDER_FEMALE = 'female';      // 女性

    public const AGENT_LEVEL_CIVILIAN = 0;
    public const AGENT_LEVEL_VIP = 1;
    public const AGENT_LEVEL_COMMUNITY = 2;
    public const AGENT_LEVEL_DISTRICT = 3;
    public const AGENT_LEVEL_CITY = 4;
    public const AGENT_LEVEL_PROVINCE = 5;
    public const AGENT_LEVEL_BRANCH = 6;
    public const AGENT_LEVEL_DIRECTOR = 7;

    /**
     * @var string
     */
    protected $primaryKey = 'user_id';

    /**
     * @var bool
     */
    public $incrementing = false;

    /**
     * @var array
     */
    protected $attributes = [
        'gender' => self::GENDER_UNKNOWN,
        'bonusable' => true,
    ];

    /**
     * @var array
     */
    protected $fillable = [
        'inviter_id',
        'nickname',
        'avatar',
        'gender',
        'birthday',
        'bonusable',
        'depth',
        'path',
        'agent_level',
        'quota_v1',
        'quota_v2',
        'growth_value',
        'group_sales_value',
    ];

    /**
     * @var array
     */
    protected $casts = [
        'birthday' => 'date',
        'bonusable' => 'bool',
    ];

    /**
     * @var array
     */
    public static $agentLevelMap = [
        self::AGENT_LEVEL_CIVILIAN => 'civilian',
        self::AGENT_LEVEL_VIP => 'vip',
        self::AGENT_LEVEL_COMMUNITY => 'community',
        self::AGENT_LEVEL_DISTRICT => 'district',
        self::AGENT_LEVEL_CITY => 'city',
        self::AGENT_LEVEL_PROVINCE => 'province',
        self::AGENT_LEVEL_BRANCH => 'branch',
        self::AGENT_LEVEL_DIRECTOR => 'director',
    ];

    /**
     * {@inheritdoc}
     */
    protected static function booted()
    {
        parent::saving(function ($userInfo) {
            // 如果没有邀请码，则自动分配邀请码
            if ($userInfo->code === null) {
                do {
                    $userInfo->code = strtolower(Str::randomAlpha(6));
                } while (static::where('code', $userInfo->code)->exists());
            } elseif ($userInfo->isDirty('code')) {
                $userInfo->code = strtolower($userInfo->code);
            }
        });
    }

    /**
     * 获取此用户的邀请人信息
     *
     * @return void
     */
    public function inviter()
    {
        return $this->belongsTo(UserInfo::class, 'inviter_id');
    }

    /**
     * 获取此用户的所有父级ID
     *
     * @return array
     */
    public function getParentIdsAttribute(): array
    {
        if ($path = trim($this->path, '/')) {
            return explode($path, '/');
        }

        return [];
    }

    /**
     * 获取代理角色
     *
     * @return string
     */
    public function getAgentRoleAttribute(): string
    {
        return static::$agentLevelMap[$this->agent_level] ?? 'unknown';
    }
}