// Package client ...
//
// Description : 使用的客户端
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2021-11-30 10:42 上午
package client

import (
	"bytes"
	"context"
	"encoding/json"
	"io/ioutil"
	"net/http"
	"net/url"

	"git.zhangdeman.cn/zhangdeman/gopkg/util"

	"github.com/ddliu/go-httpclient"
)

// CenterClient 客户端实例
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 11:01 上午 2021/11/30
type CenterClient struct {
	cfg *Config
}

// CreateConfig 生成配置
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 11:44 上午 2021/11/30
func (cc *CenterClient) CreateConfig(ctx context.Context, key string, value string, operateUserID string, description string) error {
	parameter := map[string]string{
		"key":             key,
		"value":           value,
		"operate_user_id": operateUserID,
		"description":     description,
	}
	_, err := cc.request(ctx, SetConfigURI, parameter, PostHeader)
	return err
}

// GetConfig 读取配置
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 12:09 下午 2021/11/30
func (cc *CenterClient) GetConfig(ctx context.Context, key string, receiver interface{}) ([]byte, error) {
	var (
		result []byte
		err    error
	)
	parameter := map[string]string{
		"key": key,
	}
	if result, err = cc.request(ctx, GetConfigURI, parameter, GetHeader); nil != err {
		return nil, err
	}
	if nil != receiver {
		return result, util.JSONUnmarshalWithNumber(result, result)
	}
	return result, nil
}

// UpdateConfig 更新配置
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 3:34 下午 2021/11/30
func (cc *CenterClient) UpdateConfig(ctx context.Context, key string, value string, operateUserID string, description string) error {
	parameter := map[string]string{
		"key":             key,
		"value":           value,
		"operate_user_id": operateUserID,
		"description":     description,
	}
	_, err := cc.request(nil, UpdateConfigURI, parameter, GetHeader)
	return err
}

// CreateNamespace 创建命名空间
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 12:48 下午 2021/11/30
func (cc *CenterClient) CreateNamespace(ctx context.Context, namespace string, createUserID string, name string, description string) error {
	parameter := map[string]string{
		"namespace":      namespace,
		"create_user_id": createUserID,
		"name":           name,
		"description":    description,
	}
	_, err := cc.request(ctx, CreateNamespaceURI, parameter, PostHeader)
	return err
}

// ActiveNamespace ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 12:54 下午 2021/11/30
func (cc *CenterClient) ActiveNamespace(ctx context.Context, namespace string, updateUserID string) error {
	parameter := map[string]string{
		"namespace":      namespace,
		"update_user_id": updateUserID,
	}
	_, err := cc.request(ctx, ActiveNamespaceURI, parameter, GetHeader)
	return err
}

// request 发送请求
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 10:51 上午 2021/11/30
func (cc *CenterClient) request(ctx context.Context, uriConfig *RequestURIConfig, parameter map[string]string, header map[string]string) ([]byte, error) {
	var (
		client       *httpclient.HttpClient
		response     *httpclient.Response
		responseData []byte
		err          error
	)
	if nil == parameter {
		parameter = make(map[string]string)
	}
	if nil == ctx {
		ctx = context.TODO()
	}
	if _, exist := parameter["namespace"]; !exist {
		parameter["namespace"] = cc.cfg.Namespace
	}
	parameter["app_id"] = cc.cfg.AppID
	fullRequestURL := cc.cfg.Domain + uriConfig.URI
	if uriConfig.Method == http.MethodGet {
		urlParam := url.Values{}
		for k, v := range parameter {
			urlParam.Set(k, v)
		}
		fullRequestURL += "?" + urlParam.Encode()
	}
	client = httpclient.NewHttpClient()
	inputByteData, _ := json.Marshal(parameter)
	requestData := bytes.NewReader(inputByteData)
	if response, err = client.Do(uriConfig.Method, fullRequestURL, header, requestData); nil != err {
		return nil, err
	}
	if responseData, err = ioutil.ReadAll(response.Body); nil != err {
		return nil, err
	}
	return responseData, nil
}