package main

import (
	"context"
	"io"
	"net/http"
	"regexp"
	"strconv"
	"strings"

	"github.com/wailsapp/wails/v2/pkg/runtime"
)

// App struct
type App struct {
	ctx context.Context
}

// NewApp creates a new App application struct
func NewApp() *App {
	return &App{}
}

// startup is called when the app starts. The context is saved
// so we can call the runtime methods
func (a *App) startup(ctx context.Context) {
	a.ctx = ctx
}
func (a *App) Close() {
	runtime.Quit(a.ctx)
}

const IP = "192.168.1.83:5554"
// I really have to get rid of this dumb format...
// Just do one lamp per line, what the fuck is this "Lamp 1: " bullshit
var decancer = regexp.MustCompile(`Lamp \d: `)

func (a *App) GetLamps() (lamps []string) {
	resp, err := http.Get("http://" + IP)
	if err != nil {
		runtime.LogError(a.ctx, err.Error())
		return
	}
	defer resp.Body.Close()
	body, err := io.ReadAll(resp.Body)
	if err != nil {
		runtime.LogError(a.ctx, err.Error())
		return
	}

	lines := strings.Split(string(body), "\n")
	for _, line := range lines {
		line = strings.TrimSpace(line)
		if line == "" {
			continue
		}
		line = decancer.ReplaceAllString(line, "")
		lamps = append(lamps, line)
	}
	return
}

func (a *App) SetLampBrightness(lampId int, brightness int) string {
	resp, err := http.Get("http://" + IP + "/lamp/" + strconv.Itoa(lampId) + "?n=" + strconv.Itoa(brightness))
	if err != nil {
		runtime.LogError(a.ctx, err.Error())
		return ""
	}
	defer resp.Body.Close()
	body, err := io.ReadAll(resp.Body)
	if err != nil {
		runtime.LogError(a.ctx, err.Error())
		return ""
	}
	return string(body)
}