<?php

namespace App\Admin\Services;

use Slowlyo\OwlAdmin\Services\AdminService;
use Illuminate\Database\Eloquent\Model;

/**
 * @method Region getModel()
 * @method Region|\Illuminate\Database\Query\Builder query()
 */
class BaseService extends AdminService
{
    protected string $modelFilterName = '';

    protected bool $modelSortAble = false;

    protected Model $currentModel;

    public function getCurrentModel()
    {
        return $this->currentModel;
    }

    public function sortColumn()
    {
        return 'id';
    }

    public function getTree()
    {
        $list = $this->query()->orderByDesc('sort')->get();
        $minNum = $list->min('parent_id');

        return array2tree($list->toArray(), $minNum);
    }

    public function list()
    {
        $query = $this->listQuery();
        if (request()->input('_all')) {
            $list = (clone $query)->get();
            $items = $list->all();
            $total = $list->count();
        } else {
            $list = (clone $query)->paginate(request()->input('perPage', 20));
            $items = $list->items();
            $total = $list->total();
        }

        return compact('items', 'total');
    }

    public function getModelFilter()
    {
        return $this->modelFilterName;
    }

    public function listQuery()
    {
        $query = $this->query();

        $this->addRelations($query);

        if ($filter = $this->getModelFilter()) {
            $query->filter(request()->input(), $filter);
        }

        if ($this->modelSortAble) {
            $query->sort();
        }

        $this->sortable($query);

        return $query;
    }

    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);
        $this->currentModel = $model;

        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;
        }
        $model->update($data);
        $this->currentModel = $model;
        return true;
    }

    public function delete(string $ids): mixed
    {
        $this->preDelete(explode(',', $ids));

        return parent::delete($ids);
    }

    /**
     * 处理表单数据
     *
     * @param  array  $data
     * @param  Model  $model 空 : 添加, 非空: 修改
     * @return array
     */
    public function resloveData($data, $model = null)
    {
        return $data;
    }

    /**
     * 表单验证
     *
     * @param  array  $data
     * @param  Model  $model 空: 添加, 非空: 修改
     * @return mixed true: 验证通过, string: 错误提示
     */
    public function validate($data, $model = null)
    {
        // $createRules = [
        //     'key' => ['required', Rule::unique('keywords', 'key')],
        //     'name' => ['required'],
        // ];
        // $updateRules = [
        //     'key' => [Rule::unique('keywords', 'key')->ignore($model->id)]
        // ];
        // $validator = Validator::make($data, $model ? $updateRules : $createRules, [
        //     'key.unique' => ':input 已经存在'
        // ]);
        // if ($validator->fails()) {
        //     return $validator->errors()->first();
        // }
        return true;
    }

    /**
     * 删除的前置方法
     *
     * @param  array  $ids 主键id
     */
    public function preDelete(array $ids): void
    {
    }
}