<?php

namespace App\Models;

class Visit extends SoftDeletesModel
{
    protected $table = 'visits';

    protected $casts = [
        'follw_people' => 'array',
        'cars' => 'array',
        'file' => 'array',
        'vehicle_images' => 'array',
        'meal_preferences' => 'array',
        'date' => 'date',
        'start_date' => 'date',
        'end_date' => 'date',
        'work_start_time' => 'date',
        'work_end_time' => 'date',
        'credent' => 'boolean',
        'long_time' => 'boolean',
        'audit_status' => 'integer',
        'need_meal' => 'boolean',
    ];

    // 访问类型常量
    const TYPE_VISITOR = 1;        // 访客
    const TYPE_VISITOR_CAR = 2;    // 访客车辆
    const TYPE_LOGISTICS_CAR = 3;  // 物流车辆

    // 审核状态常量
    const AUDIT_STATUS_PENDING_STUDY = -1;  // 待学习
    const AUDIT_STATUS_PENDING = 0;         // 待审核
    const AUDIT_STATUS_APPROVED = 1;        // 通过(待进厂)
    const AUDIT_STATUS_REJECTED = 2;        // 驳回
    const AUDIT_STATUS_ENTERED = 3;         // 已进厂
    const AUDIT_STATUS_LEFT = 4;            // 已离厂

    // 证件类型常量
    const CREDENT_ID_CARD = 1;  // 身份证
    const CREDENT_PASSPORT = 2; // 护照

    // 用餐类型常量
    const MEAL_TYPE_BREAKFAST = 1;  // 早餐
    const MEAL_TYPE_LUNCH = 2;      // 午餐
    const MEAL_TYPE_DINNER = 3;     // 晚餐
    const MEAL_TYPE_ALL_DAY = 4;    // 全天

    /**
     * 关联访问区域
     */
    public function visitArea()
    {
        return $this->belongsTo(VisitArea::class, 'visit_area_id');
    }

    /**
     * 关联访问时段
     */
    public function visitTime()
    {
        return $this->belongsTo(VisitTime::class, 'visit_time_id');
    }

    /**
     * 关联接待部门
     */
    public function acceptDepartment()
    {
        return $this->belongsTo(Department::class, 'accpet_department_id');
    }

    public function department()
    {
        return $this->belongsTo(Department::class, 'department_id');
    }

    /**
     * 关联接待人员
     */
    public function acceptAdmin()
    {
        return $this->belongsTo(Admin::class, 'accept_admin_id');
    }

    public function admin()
    {
        return $this->belongsTo(Admin::class, 'admin_id');
    }

    /**
     * 关联收货人
     */
    public function acceptGoodsAdmin()
    {
        return $this->belongsTo(Admin::class, 'accept_goods_admin_id');
    }

    /**
     * 关联陪同人
     */
    public function accompany()
    {
        return $this->belongsTo(Admin::class, 'accompany_id');
    }

    /**
     * 关联用户
     */
    public function user()
    {
        return $this->belongsTo(User::class, 'user_id');
    }

    /**
     * 关联审核记录
     */
    public function visitAudits()
    {
        return $this->hasMany(VisitAudit::class, 'visit_id');
    }

    /**
     * 关联访问日志
     */
    public function logs()
    {
        return $this->hasMany(VisitLog::class, 'visit_id');
    }

    /**
     * 关联签字图片（单文件）
     */
    public function acceptAdminSign()
    {
        return $this->belongsTo(Upload::class, 'accept_admin_sign');
    }

    /**
     * 获取附件文件列表（多文件）
     */
    public function getFilesAttribute()
    {
        if (!$this->attributes['file']) {
            return collect([]);
        }

        $files = json_decode($this->attributes['file'], true);
        if (!$files) {
            return collect([]);
        }

        return Upload::whereIn('id', $files)->get();
    }

    /**
     * 获取货车图片列表（多文件）
     */
    public function getVehicleImagesAttribute()
    {
        if (!$this->attributes['vehicle_images']) {
            return collect([]);
        }

        $vehicleImages = json_decode($this->attributes['vehicle_images'], true);
        if (!$vehicleImages) {
            return collect([]);
        }

        return Upload::whereIn('id', $vehicleImages)->get();
    }

    /**
     * 获取访问类型文本
     */
    public function getTypeTextAttribute()
    {
        $types = [
            self::TYPE_VISITOR => '访客',
            self::TYPE_VISITOR_CAR => '访客车辆',
            self::TYPE_LOGISTICS_CAR => '物流车辆',
        ];
        return $types[$this->type] ?? '未知';
    }

    /**
     * 获取审核状态文本
     */
    public function getAuditStatusTextAttribute()
    {
        $statuses = [
            self::AUDIT_STATUS_PENDING_STUDY => '待学习',
            self::AUDIT_STATUS_PENDING => '待审核',
            self::AUDIT_STATUS_APPROVED => '通过(待进厂)',
            self::AUDIT_STATUS_REJECTED => '驳回',
            self::AUDIT_STATUS_ENTERED => '已进厂',
            self::AUDIT_STATUS_LEFT => '已离厂',
        ];
        return $statuses[$this->audit_status] ?? '未知';
    }

    /**
     * 获取证件类型文本
     */
    public function getCredentTextAttribute()
    {
        $credents = [
            self::CREDENT_ID_CARD => '身份证',
            self::CREDENT_PASSPORT => '护照',
        ];
        return $credents[$this->credent] ?? '未知';
    }

    /**
     * 获取用餐类型文本
     */
    public function getMealTypeTextAttribute()
    {
        $mealTypes = [
            self::MEAL_TYPE_BREAKFAST => '早餐',
            self::MEAL_TYPE_LUNCH => '午餐',
            self::MEAL_TYPE_DINNER => '晚餐',
            self::MEAL_TYPE_ALL_DAY => '全天',
        ];
        return $mealTypes[$this->meal_type] ?? '未知';
    }

    /**
     * 检查是否在黑名单中
     */
    public function isInBlacklist()
    {
        return Blacklist::where('mobile', $this->mobile)
            ->orWhere('idcard', $this->idcard)
            ->where('status', 1)
            ->where(function ($query) {
                $query->whereNull('start_date')
                    ->orWhere('start_date', '<=', now());
            })
            ->where(function ($query) {
                $query->whereNull('end_date')
                    ->orWhere('end_date', '>=', now());
            })
            ->exists();
    }

    /**
     * 生成访问编号
     */
    public static function generateCode()
    {
        $prefix = 'V' . date('Ymd');
        $lastVisit = self::where('code', 'like', $prefix . '%')
            ->orderBy('code', 'desc')
            ->first();

        if ($lastVisit) {
            $lastNumber = intval(substr($lastVisit->code, -4));
            $newNumber = $lastNumber + 1;
        } else {
            $newNumber = 1;
        }

        return $prefix . str_pad($newNumber, 4, '0', STR_PAD_LEFT);
    }
}