<?php
namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Laravel\Sanctum\HasApiTokens;

/**
 * APP 用户模型（小程序端：门店 / 供应商用户）
 */
class UserModel extends Authenticatable
{
    use HasApiTokens, HasFactory, Notifiable;

    /** 用户类型：待绑定（手机号未匹配到门店/供应商，需后台人工绑定） */
    public const TYPE_PENDING = 0;
    /** 用户类型：门店 */
    public const TYPE_STORE = 1;
    /** 用户类型：供应商 */
    public const TYPE_SUPPLIER = 2;

    /** 状态：停用 */
    public const STATUS_DISABLED = 0;
    /** 状态：正常 */
    public const STATUS_NORMAL = 1;

    protected $table = 'user';

    protected $primaryKey = 'id';

    protected $hidden = [
        'password',
        'remember_token',
    ];

    protected $fillable = [
        'username',
        'email',
        'password',
        'nickname',
        'openid',
        'unionid',
        'phone',
        'avatar',
        'type',
        'store_id',
        'supplier_id',
        'status',
        'last_login_at',
    ];

    protected $casts = [
        'email_verified_at' => 'datetime',
        'last_login_at' => 'datetime',
        'type' => 'integer',
        'store_id' => 'integer',
        'supplier_id' => 'integer',
        'status' => 'integer',
    ];

    /**
     * 关联门店（type=1 时有效）
     */
    public function store(): BelongsTo
    {
        return $this->belongsTo(StoreModel::class, 'store_id', 'id');
    }

    /**
     * 关联供应商（type=2 时有效）
     */
    public function supplier(): BelongsTo
    {
        return $this->belongsTo(SupplierModel::class, 'supplier_id', 'id');
    }

    /**
     * 用户通知
     */
    public function notices(): HasMany
    {
        return $this->hasMany(NoticeModel::class, 'user_id', 'id');
    }

    /**
     * 是否已绑定业务主体（门店或供应商）
     */
    public function isBound(): bool
    {
        return $this->type === self::TYPE_STORE && $this->store_id > 0
            || $this->type === self::TYPE_SUPPLIER && $this->supplier_id > 0;
    }
}