package main

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"os"
	"time"

	"git.lerch.org/lobo/wemo/wemodiscovery"
)

type basementPost struct {
	MovieMode bool
}

type controlData struct {
	Bar, Basement, Jack string
	BasicEvent string
}

var command string

func main() {
	command = os.Getenv("CMD")

	if len(os.Args) > 1 {
		if os.Args[1] == "scan" {
			scan()
			os.Exit(0)
		}
		movieMode(true)
		time.Sleep(60 * time.Second)
		movieMode(false)
		os.Exit(0)
	}
	// POST /basement { movieMode: true } OR { movieMode: false }
	http.HandleFunc("/basement", func(w http.ResponseWriter, r *http.Request) {
		if r.Method != "POST" {
			http.Error(w, "Not found", 404)
			return
		}
		postBodyBytes, err := ioutil.ReadAll(r.Body)
		if err != nil {
			http.Error(w, "Could not read body", 500)
			return
		}
		var postBody basementPost
		json.Unmarshal(postBodyBytes, &postBody)
		fmt.Fprintf(w, "MovieMode: %t", postBody.MovieMode)
		movieMode(postBody.MovieMode)
	})

	http.HandleFunc("*", func(w http.ResponseWriter, r *http.Request) {
		http.Error(w, "Not found", 404)
	})

	log.Fatal(http.ListenAndServe(":8081", nil))
}

func movieMode(desiredState bool) {
	fmt.Fprintf(os.Stdout, "setting movieMode: %t", desiredState)
	// addresses := readAddresses()
}

func readAddresses() controlData {
	var rc controlData
	bytes, err := ioutil.ReadFile("controlData.json")
	if err != nil {
		fmt.Fprintf(os.Stderr, "could not read controlData.json: %s", err)
		return rc
	}
	json.Unmarshal(bytes, &rc)
	return rc
}

func scan() {
	devices, err := wemodiscovery.Scan(wemodiscovery.DTAllBelkin, 2)
	if err != nil {
		fmt.Fprintf(os.Stderr, "error during scan: %s", err)
		return
	}
	
	for _, device := range devices {
		device.Load(1 * time.Second)
		fmt.Fprintf(os.Stdout, "Device %s: %s %s %s\n", device.Scan.DeviceId, device.Scan.Location, device.FriendlyName, device.Scan.Urn)
	}
}