<?php

namespace App\Admin\Services;

use Slowlyo\OwlAdmin\Services\AdminService;

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

    protected array $withRelationships = [];

    protected string $modelFilterName = '';

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

        return array2tree($list);
    }

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

    public function listQuery()
    {
        $model = $this->getModel();
        $filter = $this->getModelFilter();

        $query = $this->query();
        if ($this->withRelationships) {
            $query->with($this->withRelationships);
        }

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

        return $query->orderByDesc($model->getUpdatedAtColumn() ?? $model->getKeyName());
    }

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

        $list = (clone $query)->paginate(request()->input('perPage', 20));
        $items = $list->items();
        $total = $list->total();

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

    public function getDetail($id)
    {
        return $this->query()->with($this->withRelationships)->find($id);
    }

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

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

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

        return true;
    }

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

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

    /**
     * 处理表单数据
     * 
     * @param array $data
     * @return array
     */
    public function resloveData($data)
    {
        return $data;
    }

    /**
     * 表单验证
     * 
     * @param array $data
     * @param int $id 空: 添加, 非空: 修改
     * @return mixed true: 验证通过, string: 错误提示
     */
    public function validate($data, $id = null)
    {
        return true;
    }
}