<?php
/**
 * 配置仓库.
 *
 * @author nj
 * @date   2021-01-31 10:39:38
 */

namespace App\Repositories;

use KZ2\Laravel\Repositories\Eloquent\Repository;
use App\Models\Mysql\ConfigModel;
use Cache;
use Illuminate\Database\Eloquent\Model;

class ConfigRepoistory extends Repository
{
    public function model()
    {
        return ConfigModel::class;
    }

    /**
     * 根据key取数据.
     * @param  array  $keys  Key键名.
     * @param  mixed  $sgroup  分组
     * @return Model
     */
    public function pickByKeys($keys = [], $sgroup = null)
    {
        $result = [];
        $model = new ConfigModel();
        if (!is_null($sgroup)) {
            $model = $model->where('sgroup', $sgroup);
        }
        if (!empty($keys)) {
            if (is_array($keys)) {
                $model = $model->whereIn('skey', $keys);
            } else {
                $model = $model->where('skey', $keys);
            }
        }
        $listObj = $model->orderBy('squad', 'DESC')->orderBy('created_at', 'ASC')->get();
        if (!empty($listObj)) {
            $result = $listObj->mapWithKeys(function ($item) use ($keys, $sgroup) {
                return [$item->skey => $item];
            });
        }

        return !empty($result) ? $result->toArray() : [];
    }

    /**
     * 根据key数据保存.
     * @param array $data   数据.
     * @param string $sgroup 分组.
     * @return bool
     */
    public function saveByKeys(array $data, string $sgroup)
    {
        foreach ($data as $skey => $svalue) {
            $svalue = is_null($svalue) ? '' : $svalue;
            if ($svalue) {
                $svalue = trim((string)$svalue);
            }
            if ($obj = ConfigModel::query()->where('sgroup', $sgroup)->where('skey', $skey)->first()) {
                if ($obj->svalue !== $svalue) {
                    // 前后有变化才执行保存.
                    $obj->svalue = $svalue;
                    $obj->save();
                }
            } else {
                // 没有则创建.
                $setarr = [
                    'name' => $skey,
                    'sgroup' => $sgroup,
                    'skey' => $skey,
                    'svalue' => $svalue,
                    'value_type' => 'string',
                    'tag_name' => 'input',
                ];
                ConfigModel::query()->create($setarr);
            }
        }

        return true;
    }

    /**
     * 更新配置缓存.
     * @param $sgroup
     * @return bool
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function updateConfigCache($sgroup)
    {
        $arrConfig = $this->pickByKeys([], $sgroup);
        /**
         * @var Cache $cache
         */
        $cache = make('cache');
        $cacheKey = 'config:'. $sgroup;
        $cache->forever($cacheKey, $arrConfig);
        // 把config清除一下.
        $cache->delete('config');
        return true;
    }

    /**
     * 从缓存获取单个配置(单个找不到走DB查一次).
     * @param string $skey    键名.
     * @param string $sgroup  分组.
     * @param mixed $default  默认值.
     * @return mixed
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function get(string $skey, string $sgroup, $default = null)
    {
        $cacheKey = 'config:'. $sgroup;
        /**
         * @var Cache $cache
         */
        $cache = make('cache');
        $data = $cache->get($cacheKey);
        if (isset($data[$skey])) {
            return $data[$skey]['svalue'];
        } else {
            $items = $this->pickByKeys([], $sgroup);
            $cache->forever($cacheKey, $items);
            $item = $items[$skey] ?? array();
            if ($item) {
                return $item['svalue'];
            } else {
                return $default;
            }
        }
    }

    /**
     * 从缓存配置获取多个配置(根本不走DB).
     * @param array $keys 键名.
     * @param  string  $sgroup 分组.
     * @param  array  $default 默认值.
     * @return array
     * @throws \Psr\SimpleCache\InvalidArgumentException
     */
    public function gets($keys, string $sgroup, $default = [])
    {
        /**
         * @var Cache $cache
         */
        $cache = make('cache');
        $cacheKey = 'config:'. $sgroup;
        $data = $cache->remember(
            $cacheKey,
            60 * 60,
            function () {
                return ConfigModel::query()->orderBy('squad', 'DESC')->get();
            }
        );

        if (!is_null($sgroup)) {
            $data = collect($data)->where('sgroup', $sgroup);
        }

        if (empty($keys)) {
            return $data->pluck('svalue', 'skey');
        } else {
            return $data->whereIn('skey', $keys)->pluck('svalue', 'skey');
        }
    }
}