<?php

namespace App\Admin\Services;

use App\Enums\StoreRole;
use Illuminate\Validation\Rule;
use App\Models\{Store, Employee};
use App\Admin\Filters\StoreFilter;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Validator;

class StoreService extends BaseService
{
    protected array $withRelationships = ['category', 'level', 'business', 'master'];

    protected string $modelName = Store::class;

    protected string $modelFilterName = StoreFilter::class;

    public function store($data): bool
    {
        $data = $this->resloveData($data);

        $validate = $this->validate($data);
        if ($validate !== true) {
            $this->setError($validate);

            return false;
        }

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

        // 设置店长
        $model->employees()->attach([$data['master_id'] => ['role' => StoreRole::Master]]);

        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;
        }

        // 修改店长
        if (isset($data['master_id']) && $data['master_id'] != $model->master_id) {
            $model->employees()->detach($model->master_id);
            $model->employees()->attach([$data['master_id'] => ['role' => StoreRole::Master]]);
        }

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

    // 添加员工
    public function attachEmployee(Store $store, array $employeeIds)
    {
        $data = [];
        $employees = Employee::whereIn('id', $employeeIds)->get();
        // 每个员工只能有一个门店
        foreach ($employees as $employee) {
            if (DB::table('store_employees')->where('employee_id', $employee->id)->exists()) {
                $this->setError($employee->name.' 已经是店员');
                return false;
            }
            $data[$employee->id] = ['role' => StoreRole::Employee];
        }
        $store->employees()->attach($data);

        return true;
    }

    // 移除员工
    public function destroyEmployee(Store $store, array $employeeIds)
    {
        $store->employees()->detach($employeeIds);
        return true;
    }

    public function resloveData($data, $model = null)
    {
        if (isset($data['location'])) {
            $data['lon'] = data_get($data['location'], 'lng');
            $data['lat'] = data_get($data['location'], 'lat');
            $data['address'] = data_get($data['location'], 'address');
        }

        return $data;
    }

    public function validate($data, $model = null)
    {
        $createRules = [
            'title' => ['required'],
            'master_id' => ['required', Rule::unique('stores', 'master_id')],
            'category_id' => ['required'],
            'business_id' => ['required'],
            'level_id' => ['required'],
            'region' => ['required'],
            'lon' => ['required'],
            'lat' => ['required'],
        ];
        $updateRules = [
            'master_id' => [Rule::unique('stores', 'master_id')->ignore($model, 'master_id')],
        ];
        $validator = Validator::make($data, $model ? $updateRules : $createRules, [
            'master_id.unique' => '已经是店长了',
        ]);
        if ($validator->fails()) {
            return $validator->errors()->first();
        }

        return true;
    }

    public function preDelete(array $ids)
    {
        // 删除店员
        DB::table('store_employees')->whereIn('store_id', $ids)->delete();
        return true;
    }
}