// vi:ts=4:sts=4:sw=4:noet:tw=72

package modules

import (
	"bufio"
	"encoding/json"
	"flag"
	"fmt"
	"net/http"
	"os"
	"strings"

	"git.dnix.de/an/xlog"
)

var (
	webhookPort  = flag.String("webhook_port", "8080", "Webhook listener port")
	webhookChan  = flag.String("webhook_chan", "", "Channel to post into")
	webhookToken = flag.String("webhook_token", "token.txt", "Token file")
)

func init() {
	MsgFuncs["webhook"] = webhookHandleMessage
	RunFuncs["webhook"] = webhookRun
}

func webhookRun() {
	file, err := os.Open(*webhookToken)
	if err != nil {
		xlog.Fatal(err.Error())
	}
	defer file.Close()
	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		tok := strings.Split(scanner.Text(), " ")
		http.HandleFunc("/webhook/"+tok[0], webhookHandleHTTP)
	}
	xlog.Info("Webhook listener started")
	xlog.Fatal("%v", http.ListenAndServe(":"+*webhookPort, nil))
}

func webhookHandleMessage(m *Message) {
}

func webhookHandleHTTP(w http.ResponseWriter, r *http.Request) {
	data := make(map[string]interface{})
	err := json.NewDecoder(r.Body).Decode(&data)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	SayCh <- fmt.Sprintf("%s\n%v", data["channel"], data["text"])
	for k, v := range data {
		xlog.Debug("%s : %v\n", k, v)
	}
}