package isapi

import (
	"bytes"
	"errors"
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/sirupsen/logrus"
	"io/ioutil"
	"lc-fangdaosha/model/common/response"
	"net/http"
	"net/url"
	"strings"
)

const (
	contentTypeXML  = `application/xml; charset="UTF-8"`
	contentTypeJSON = `application/json; charset="UTF-8"`
	contentTypeHTML = `text/html`
)

type Client struct {
	Client  *http.Client
	BaseURL string
}

// NewClient 获取新的连接
func NewClient(host, username, password string) (*Client, error) {
	u, err := url.Parse("http://" + host)
	if err != nil {
		return nil, err
	}
	return &Client{
		Client: &http.Client{
			Transport: NewAuthTransport(username, password),
		},
		BaseURL: u.String(),
	}, nil
}

// TouChuan 透传
func TouChuan(host string, o Operation, data []byte, c *gin.Context) ([]byte, error) {
	info, err := Com(host, o, data)
	if err != nil {
		return nil, fmt.Errorf("TouChuan错误: %e", err)
	}
	if err != nil {
		response.FailWithMessage(err.Error(), c)
		logrus.Errorf("%s error: %e", o, err)
		return nil, err
	}
	c.Data(200, `application/xml; charset="UTF-8"`, info)
	return info, nil
}

// Com 透传
func Com(host string, o Operation, data []byte) ([]byte, error) {
	c, err := NewClient(host, "admin", "kk176@lc")
	if err != nil {
		return nil, err
	}
	switch o {
	case GetDeviceInfo:
		return c.GetDeviceInfo()
	case GetSystemCap:
		return c.GetSystemCap()
	case GetChanCap:
		return c.GetOneChanEventCap()
	//越界侦测
	case GetLineDetectionCap:
		return c.GetLineDetectionCap()
	case GetLineDetectionCal:
		return c.GetSizeLd()
	case PutLineDetectionCal:
		return c.PutSizeLd(data)
	case GetLineDetection:
		return c.GetLineDetection()
	case PutLineDetection:
		return c.PutLineDetection(data)
	//区域入侵
	case GetFieldDetectionCap:
		return c.GetFieldDetectionCap()
	case GetFieldDetectionCal:
		return c.GetSizeFd()
	case PutFieldDetectionCal:
		return c.PutSizeFd(data)
	case GetFieldDetection:
		return c.GetFieldDetection()
	case PutFieldDetection:
		return c.PutFieldDetection(data)
	//进入区域
	case GetRegionEntranceCap:
		return c.GetRegionEntranceCap()
	case GetRegionEntranceCal:
		return c.GetSizeRe()
	case PutRegionEntranceCal:
		return c.PutSizeRe(data)
	case GetRegionEntrance:
		return c.GetRegionEntrance()
	case PutRegionEntrance:
		return c.PutRegionEntrance(data)
		//离开区域
	case SetHosts:
		return c.PutHost(data)
	case SetSIP:
		return c.PutSip(data)
	case SetSIPInfo:
		return c.PutSipInfo(data)
	case PutEmail:
		return c.PutEmail(data)
	}
	return nil, errors.New("未定义操作")
}

func (c *Client) Do(r *http.Request) ([]byte, error) {
	resp, err := c.Client.Do(r)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return nil, err
	}
	return body, nil
}

func (c *Client) CommonGet(path string) (resp []byte, err error) {
	u, err := url.Parse(c.BaseURL + path)
	if err != nil {
		return nil, err
	}
	resp, err = c.Get(u)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *Client) CommonPut(data []byte, path string) (resp []byte, err error) {
	u, err := url.Parse(c.BaseURL + path)
	if err != nil {
		return nil, err
	}
	resp, err = c.PutXML(u, data)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *Client) CommonDel(data []byte, path string) (resp []byte, err error) {
	u, err := url.Parse(c.BaseURL + path)
	if err != nil {
		return nil, err
	}
	resp, err = c.DeleteXML(u, data)
	if err != nil {
		return nil, err
	}
	return resp, nil
}

func (c *Client) Get(u *url.URL) ([]byte, error) {
	req, err := http.NewRequest("GET", u.String(), nil)
	if err != nil {
		return nil, err
	}
	return c.Do(req)
}

func (c *Client) put(u *url.URL, contentType string, data []byte) ([]byte, error) {
	b := bytes.NewBuffer(data)
	req, err := http.NewRequest("PUT", u.String(), b)
	if err != nil {
		return nil, err
	}
	req.Header.Set("Content-Type", contentType)
	return c.Do(req)
}

func (c *Client) PutXML(u *url.URL, data []byte) ([]byte, error) {
	return c.put(u, contentTypeXML, data)
}

func (c *Client) PutJSON(u *url.URL, data []byte) ([]byte, error) {
	return c.put(u, contentTypeJSON, data)
}

func (c *Client) post(u *url.URL, contentType string, data []byte) ([]byte, error) {
	b := bytes.NewBuffer(data)
	req, err := http.NewRequest("POST", u.String(), b)
	if err != nil {
		return nil, err
	}
	req.Header.Set("Content-Type", contentType)
	return c.Do(req)
}

func (c *Client) PostXML(u *url.URL, data []byte) ([]byte, error) {
	return c.post(u, contentTypeXML, data)
}

func (c *Client) PostJSON(u *url.URL, data []byte) ([]byte, error) {
	return c.post(u, contentTypeJSON, data)
}

func (c *Client) delete(u *url.URL, contentType string, data []byte) ([]byte, error) {
	b := bytes.NewBuffer(data)
	req, err := http.NewRequest("DELETE", u.String(), b)
	if err != nil {
		return nil, err
	}
	req.Header.Set("Content-Type", contentType)
	return c.Do(req)
}

func (c *Client) DeleteXML(u *url.URL, data []byte) ([]byte, error) {
	return c.delete(u, contentTypeXML, data)
}

func (c *Client) DeleteJSON(u *url.URL, data []byte) ([]byte, error) {
	return c.delete(u, contentTypeJSON, data)
}

func DoModFacePicRecord(url, json, faceimage, boundary string) {
	var bodyParam = "--" + boundary + "\r\n" +
		"Content-Disposition: form-data; name=\"FaceDataRecord\";\r\n" +
		"Content-Type: text/json\r\n" +
		"Content-Length: " + fmt.Sprintf("%d", len(json)) + "\r\n\r\n" +
		json + "\r\n" +
		"--" + boundary + "\r\n" +
		"Content-Disposition: form-data; name=\"FaceImage\";\r\n" +
		"Content-Type: image/jpeg\r\n" +
		"Content-Length: " + fmt.Sprintf("%d", len(faceimage)) + "\r\n\r\n" +
		faceimage +
		"\r\n--" + boundary + "--\r\n"
	req, err := http.NewRequest("PUT", url, strings.NewReader(bodyParam))
	if err != nil {
		logrus.Error(err)
	}
	req.SetBasicAuth("", "")

	req.Header.Add("Accept", "text/html, application/xhtml+xml")
	req.Header.Add("Accept-Language", "zh-CN")
	req.Header.Add("Content-Type", "multipart/form-data; boundary="+boundary)
	req.Header.Add("User-Agent", "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)")
	req.Header.Add("Accept-Encoding", "gzip, deflate")
	req.Header.Add("Connection", "Keep-Alive")
	req.Header.Add("Cache-Control", "no-cache")

}

func DoPostStorageCloud(url, json, faceimage, boundary string) {
	var bodyParam = "--" + boundary + "\r\n" +
		"Content-Disposition: form-data; name=\"FaceDataRecord\";\r\n" +
		"Content-Type: text/json\r\n" +
		"Content-Length: " + fmt.Sprintf("%d", len(json)) + "\r\n\r\n" +
		json + "\r\n" +
		"--" + boundary + "\r\n" +
		"Content-Disposition: form-data; name=\"FaceImage\";\r\n" +
		"Content-Type: image/jpeg\r\n" +
		"Content-Length: " + fmt.Sprintf("%d", len(faceimage)) + "\r\n\r\n" +
		faceimage +
		"\r\n--" + boundary + "--\r\n"
	req, err := http.NewRequest("POST", url, strings.NewReader(bodyParam))
	if err != nil {
		logrus.Error(err)
	}
	req.SetBasicAuth("", "")

	req.Header.Add("Accept", "text/html, application/xhtml+xml")
	req.Header.Add("Accept-Language", "zh-CN")
	req.Header.Add("Content-Type", "multipart/form-data; boundary="+boundary)
	req.Header.Add("User-Agent", "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)")
	req.Header.Add("Accept-Encoding", "gzip, deflate")
	req.Header.Add("Connection", "Keep-Alive")
	req.Header.Add("Cache-Control", "no-cache")
}