package main

import (
	"encoding/json"
	"fmt"
)

func getKfSendURL() (url string) {
	atk, _ := GetAccessToken()
	url = fmt.Sprintf("https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=%s", atk)
	return
}

type sendTxtMsg struct {
	ToUser  string `json:"touser"`
	MsgType string `json:"msgtype"`
	Text    struct {
		Content string `json:"content"`
	} `json:"text"`
}

func kfSendTxt(user, txt string) {
	u := getKfSendURL()

	s := sendTxtMsg{}
	s.MsgType = "text"
	s.Text.Content = txt
	s.ToUser = user

	j, _ := json.Marshal(s)
	postJSON(j, u)
}

type sendPicMsg struct {
	ToUser  string `json:"touser"`
	MsgType string `json:"msgtype"`
	Image   struct {
		MediaID string `json:"media_id"`
	} `json:"image"`
}

func kfSendPic(user, pic string) {
	mID := uploadImage(pic)
	kfSendPicByMediaID(user, mID)
}

func kfSendPicByMediaID(user, mediaID string) {
	u := getKfSendURL()
	s := sendPicMsg{}
	s.ToUser = user
	s.MsgType = "image"
	s.Image.MediaID = mediaID

	j, _ := json.Marshal(s)
	postJSON(j, u)
}