// Copyright 2017 gf Author(https://gitee.com/johng/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://gitee.com/johng/gf.


package ghttp

import (
    "net/http"
    "strings"
    "time"
    "bytes"
)

// http客户端
type Client struct {
    http.Client
}

// http客户端对象指针
func NewClient() (*Client) {
    return &Client{}
}

// 设置请求过期时间
func (c *Client) SetTimeOut(t time.Duration)  {
    c.Timeout = t
}

// GET请求
func (c *Client) Get(url string) (*ClientResponse, error) {
    return c.DoRequest("GET", url, []byte(""))
}

// PUT请求
func (c *Client) Put(url, data string) (*ClientResponse, error) {
    return c.DoRequest("PUT", url, []byte(data))
}

// POST请求提交数据
func (c *Client) Post(url, data string) (*ClientResponse, error) {
    resp, err := http.Post(url, "application/x-www-form-urlencoded", strings.NewReader(data))
    if err != nil {
        return nil, err
    }
    r := &ClientResponse{}
    r.Response = *resp
    return r, nil
}

// DELETE请求
func (c *Client) Delete(url, data string) (*ClientResponse, error) {
    return c.DoRequest("DELETE", url, []byte(data))
}

func (c *Client) Head(url, data string) (*ClientResponse, error) {
    return c.DoRequest("HEAD", url, []byte(data))
}

func (c *Client) Patch(url, data string) (*ClientResponse, error) {
    return c.DoRequest("PATCH", url, []byte(data))
}

func (c *Client) Connect(url, data string) (*ClientResponse, error) {
    return c.DoRequest("CONNECT", url, []byte(data))
}

func (c *Client) Options(url, data string) (*ClientResponse, error) {
    return c.DoRequest("OPTIONS", url, []byte(data))
}

func (c *Client) Trace(url, data string) (*ClientResponse, error) {
    return c.DoRequest("TRACE", url, []byte(data))
}

// 请求并返回response对象，该方法支持二进制提交数据
func (c *Client) DoRequest(method, url string, data []byte) (*ClientResponse, error) {
    req, err := http.NewRequest(strings.ToUpper(method), url, bytes.NewReader(data))
    if err != nil {
        return nil, err
    }
    resp, err := c.Do(req)
    if err != nil {
        return nil, err
    }
    r := &ClientResponse{}
    r.Response = *resp
    return r, nil
}


func Get(url string) (*ClientResponse, error) {
    return DoRequest("GET", url, []byte(""))
}

func Put(url, data string) (*ClientResponse, error) {
    return DoRequest("PUT", url, []byte(data))
}

func Post(url, data string) (*ClientResponse, error) {
    return DoRequest("PUT", url, []byte(data))
}

func Delete(url, data string) (*ClientResponse, error) {
    return DoRequest("DELETE", url, []byte(data))
}

func Head(url, data string) (*ClientResponse, error) {
    return DoRequest("HEAD", url, []byte(data))
}

func Patch(url, data string) (*ClientResponse, error) {
    return DoRequest("PATCH", url, []byte(data))
}

func Connect(url, data string) (*ClientResponse, error) {
    return DoRequest("CONNECT", url, []byte(data))
}

func Options(url, data string) (*ClientResponse, error) {
    return DoRequest("OPTIONS", url, []byte(data))
}

func Trace(url, data string) (*ClientResponse, error) {
    return DoRequest("TRACE", url, []byte(data))
}

// 该方法支持二进制提交数据
func DoRequest(method, url string, data []byte) (*ClientResponse, error) {
    return NewClient().DoRequest(method, url, data)
}