<?php

/**
 * 文件功能：主用户模型
 *
 * 对应原 ASP 文件：user 表
 *
 * @author   ChatRoom Laravel
 *
 * @version  1.0.0
 */

namespace App\Models;

use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;

class User extends Authenticatable
{
    use HasFactory, Notifiable;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'username',
        'password',
        'email',
        'sex',
        'sign',
        'user_level',
        'room_id',
        'first_ip',
        'last_ip',
        'usersf',
        'vip_level_id',
        'hy_time',
        'question',
        'answer',
        'has_received_new_gift',
    ];

    /**
     * The attributes that should be hidden for serialization.
     *
     * @var array<int, string>
     */
    protected $hidden = [
        'password',
        'remember_token',
        'temppass',
        'ppass',
        'userpassword',
    ];

    /**
     * Get the attributes that should be cast.
     *
     * @return array<string, string>
     */
    protected function casts(): array
    {
        return [
            'email_verified_at' => 'datetime',
            'password' => 'hashed',
            'log_time' => 'datetime',
            'in_time' => 'datetime',
            'out_time' => 'datetime',
            'hy_time' => 'datetime',
            'xr_time' => 'datetime',
            'yx_time' => 'datetime',
            'sj' => 'datetime',
            'q3_time' => 'datetime',
            'has_received_new_gift' => 'boolean',
        ];
    }

    /**
     * 头像文件名访问器
     *
     * 原 ASP 系统的头像文件名存储在 usersf 字段中（如 "75.gif"），
     * 但项目中各处通过 $user->headface 来引用头像。
     * 此 accessor 将 headface 属性映射到 usersf 字段，保持代码一致性。
     */
    protected function headface(): Attribute
    {
        return Attribute::make(
            // 自动将后缀转小写，兼容数据库中的 .GIF 大写存量
            get: fn () => strtolower($this->usersf ?: '1.gif'),
            set: fn (string $value) => ['usersf' => strtolower($value)],
        );
    }

    /**
     * 关联：用户所属的 VIP 会员等级
     */
    public function vipLevel(): BelongsTo
    {
        return $this->belongsTo(VipLevel::class, 'vip_level_id');
    }

    /**
     * 判断用户是否为有效 VIP（有等级且未过期）
     */
    public function isVip(): bool
    {
        if (! $this->vip_level_id) {
            return false;
        }

        // hy_time 为 null 表示永久会员
        if (! $this->hy_time) {
            return true;
        }

        return $this->hy_time->isFuture();
    }

    /**
     * 获取 VIP 会员名称（无效则返回空字符串）
     */
    public function vipName(): string
    {
        if (! $this->isVip()) {
            return '';
        }

        return $this->vipLevel?->name ?? '';
    }

    /**
     * 获取 VIP 会员图标（无效则返回空字符串）
     */
    public function vipIcon(): string
    {
        if (! $this->isVip()) {
            return '';
        }

        return $this->vipLevel?->icon ?? '';
    }

    // ── 职务相关关联 ──────────────────────────────────────────────────────

    /**
     * 全部猎务履历（包括历史记录）
     */
    public function positions(): HasMany
    {
        return $this->hasMany(UserPosition::class)->with(['position.department'])->orderByDesc('appointed_at');
    }

    /**
     * 当前在职职务记录（HasOne，最多一条）
     */
    public function activePosition(): HasOne
    {
        return $this->hasOne(UserPosition::class)->where('is_active', true)->with(['position.department']);
    }

    /**
     * 该用户在职期间的权限操作日志
     */
    public function authorityLogs(): HasMany
    {
        return $this->hasMany(PositionAuthorityLog::class)->orderByDesc('created_at');
    }

    /**
     * 判断用户是否有当前在职职务
     */
    public function hasActivePosition(): bool
    {
        return $this->activePosition()->exists();
    }
}