<?php

// +----------------------------------------------------------------------
// | ThinkAdmin
// +----------------------------------------------------------------------
// | 版权所有 2014~2019 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: http://demo.thinkadmin.top
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | gitee 代码仓库：https://gitee.com/zoujingli/ThinkAdmin
// | github 代码仓库：https://github.com/zoujingli/ThinkAdmin
// +----------------------------------------------------------------------

namespace think\admin\service;

use think\admin\Service;
use think\db\Query;

/**
 * 系统参数管理服务
 * Class SystemService
 * @package think\admin\service
 */
class SystemService extends Service
{

    /**
     * 配置数据缓存
     * @var array
     */
    protected $data = [];

    /**
     * 设置配置数据
     * @param string $name 配置名称
     * @param string $value 配置内容
     * @return SystemService
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function set($name, $value = '')
    {
        list($type, $field) = $this->parse($name);
        if (is_array($value)) {
            foreach ($value as $k => $v) $this->set("{$field}.{$k}", $v);
        } else {
            $this->data = [];
            $data = ['name' => $field, 'value' => $value, 'type' => $type];
            $this->save('SystemConfig', $data, 'name', ['type' => $type]);
        }
        return $this;
    }

    /**
     * 读取配置数据
     * @param string $name
     * @return array|mixed|string
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function get($name)
    {
        list($type, $field, $outer) = $this->parse($name);
        if (empty($this->data)) foreach ($this->app->db->name('SystemConfig')->select() as $vo) {
            $this->data[$vo['type']][$vo['name']] = $vo['value'];
        }
        if (empty($name)) {
            return empty($this->data[$type]) ? [] : ($outer === 'raw' ? $this->data[$type] : array_map(function ($value) {
                return htmlspecialchars($value);
            }, $this->data[$type]));
        } else {
            if (isset($this->data[$type]) && isset($this->data[$type][$field])) {
                return $outer === 'raw' ? $this->data[$type][$field] : htmlspecialchars($this->data[$type][$field]);
            } else return '';
        }
    }

    /**
     * 数据增量保存
     * @param Query|string $dbQuery 数据查询对象
     * @param array $data 需要保存或更新的数据
     * @param string $key 条件主键限制
     * @param array $where 其它的where条件
     * @return bool|int|mixed|string
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function save($dbQuery, $data, $key = 'id', $where = [])
    {
        $db = is_string($dbQuery) ? $this->app->db->name($dbQuery) : $dbQuery;
        list($table, $value) = [$db->getTable(), isset($data[$key]) ? $data[$key] : null];
        $map = isset($where[$key]) ? [] : (is_string($value) ? [[$key, 'in', explode(',', $value)]] : [$key => $value]);
        if (is_array($info = $this->app->db->table($table)->master()->where($where)->where($map)->find()) && !empty($info)) {
            if ($this->app->db->table($table)->strict(false)->where($where)->where($map)->update($data) !== false) {
                return isset($info[$key]) ? $info[$key] : true;
            } else {
                return false;
            }
        } else {
            return $this->app->db->table($table)->strict(false)->insertGetId($data);
        }
    }

    /**
     * 解析缓存名称
     * @param string $rule 配置名称
     * @param string $type 配置类型
     * @return array
     */
    private function parse($rule, $type = 'base')
    {
        if (stripos($rule, '.') !== false) {
            list($type, $rule) = explode('.', $rule);
        }
        list($field, $outer) = explode('|', "{$rule}|");
        return [$type, $field, strtolower($outer)];
    }

}