<?php

namespace App\Admin\Services;

use App\Admin\Filters\EmployeeFilter;
use App\Models\{Employee, EmployeeSignLog, HolidayApply, OvertimeApply, OfficalBusiness};
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Validator;
use Slowlyo\OwlAdmin\Models\AdminUser;
use App\Admin\Services\System\AdminUserService;
use App\Enums\EmployeeStatus;

class EmployeeService extends BaseService
{
    protected array $withRelationships = ['jobs', 'adminUser'];

    protected string $modelName = Employee::class;

    protected string $modelFilterName = EmployeeFilter::class;

    public function store($data): bool
    {
        $data = $this->resloveData($data);
        $validate = $this->validate($data);
        if ($validate !== true) {
            $this->setError($validate);
            
            return false;
        }
        // 添加管理员信息
        $adminUserService = AdminUserService::make();
        if (! $adminUserService->store(Arr::only($data, ['username', 'avatar', 'password', 'confirm_password', 'name']))) {
            $this->setError($adminUserService->getError());

            return false;
        }
        $adminUser = AdminUser::where('username', $data['username'])->first();
        $data['admin_user_id'] = $adminUser->id;

        $model = $this->modelName::create($data);

        if (isset($data['jobs']) && is_string($data['jobs'])) {
            $this->resloveJob($model, explode(',', $data['jobs']));
        }

        return true;
    }

    public function update($primaryKey, $data): bool
    {
        $model = $this->query()->whereKey($primaryKey)->firstOrFail();
        $data = $this->resloveData($data, $model);
        $validate = $this->validate($data, $model);
        if ($validate !== true) {
            $this->setError($validate);

            return false;
        }

        // 修改管理员
        $adminUserService = AdminUserService::make();
        if (!$adminUserService->update($model->admin_user_id, Arr::only($data, ['password', 'confirm_password', 'name', 'avatar']))) {
            return $this->setError($adminUserService->getError());
        }

        if (isset($data['jobs']) && is_string($data['jobs'])) {
            $this->resloveJob($model, explode(',', $data['jobs']));
        }

        return $model->update($data);
    }

    /**
     * 员工离职/还原
     * 
     * @param Employee $user
     * @param array $options {leave_at: 离职时间}
     * 
     * @return boolean
     */
    public function leave(Employee $user, $options = [])
    {
        if ($user->employee_status == EmployeeStatus::Online) {
            $user->update([
                'leave_at' => data_get($options, 'leave_at', now()),
                'employee_status' => EmployeeStatus::Offline,
            ]);
        } else {
            $user->update([
                'leave_at' => null,
                'employee_status' => EmployeeStatus::Online,
            ]);
        }

        return true;
    }

    /**
     * 处理职位关联
     *
     * @param  Employee  $model
     * @param  array  $jobs(字典表 key 组成的数组)
     */
    public function resloveJob($model, $jobs)
    {
        $model->jobs()->sync($jobs);
    }

    public function preDelete(array $ids): void
    {
        if (in_array(1, $ids)) {
            admin_abort('超级管理员不能删除');
        }
        // 无打卡记录
        if (EmployeeSignLog::whereIn('employee_id', $ids)->exists()) {
            admin_abort('请先删除员工打卡记录');
        }
        // 无请假申请
        if (HolidayApply::whereIn('employee_id', $ids)->exists()) {
            admin_abort('请先删除员工打卡记录');
        }
        // 无出差申请
        if (OfficalBusiness::whereIn('employee_id', $ids)->exists()) {
            admin_abort('请先删除员工打卡记录');
        }
        // 加班申请
        if (OvertimeApply::whereIn('employee_id', $ids)->exists()) {
            admin_abort('请先删除员工打卡记录');
        }

        // 店员关联
        if (DB::table('store_employees')->whereIn('employee_id', $ids)->exists()) {
            admin_abort('员工已关联门店, 请先从门店中删除');
        }

        // 删除管理员
        $adminUserIds = Employee::whereIn('id', $ids)->pluck('admin_user_id')->implode(',');
        $adminUserService = AdminUserService::make();
        $adminUserService->delete($adminUserIds);

        // 删除职位关联
        DB::table('employee_jobs')->whereIn('employee_id', $ids)->delete();
    }

    public function validate($data, $model = null)
    {
        $createRules = [
            'name' => ['required'],
            'phone' => ['required'],
            'username' => ['required'],
            'password' => ['required'],
        ];
        $updateRules = [];
        $validator = Validator::make($data, $model ? $updateRules : $createRules, [
            'name.required' => __('employee.name').'必填',
            'phone.required' => __('employee.phone').'必填',
        ]);
        if ($validator->fails()) {
            return $validator->errors()->first();
        }

        return true;
    }
}