<?php

namespace App\Cache\Redis\Common;

use App\Cache\Redis\RedisCache;
use App\Constants\RedisCode;
use App\Model\SystemCityConfig;
use Hyperf\Di\Annotation\Inject;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

class CityCache
{
    /**
     * @var RedisCache
     */
    #[Inject]
    protected RedisCache $redis;

    /**
     * @var SystemCityConfig
     */
    #[Inject]
    protected SystemCityConfig $systemCityConfigModel;

    /**
     * 获取数据
     * @param int $deep 0 = 省份 1 = 市 2 = 区 other = all
     * @return array
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     * @throws \RedisException
     */
    public function getCityList(int $deep = -1): array
    {
        $type = match ($deep) {
            0 => 'province',
            1 => 'city',
            2 => 'district',
            default => 'all',
        };

        $key = CommonRedisKey::getSystemRegionList($type);

        if ($this->redis->exists($key,RedisCode::SYSTEM_DB)) return json_decode($this->redis->get($key,RedisCode::SYSTEM_DB), true);

        if ($type == 'all') {
            $data = $this->systemCityConfigModel->getAll();
        } else {
            $data = $this->systemCityConfigModel->getListByDeep($deep);
        }

        $this->redis->set($key, json_encode($data),RedisCode::SYSTEM_DB);

        return $data;
    }
}