package main

import (
	"conjure-os/lib/inputs"
	"conjure-os/lib/models"
	"conjure-os/lib/provider"
	"context"
	"fmt"
	"os"
	"os/exec"
	"time"

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

var (
	games             []models.Metadata
	lastEmitTimestamp = time.Now().Add(-10 * time.Second)
	emitInterval      = 150 * time.Millisecond
	gameIsOpen        = false
)

// 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
	inputs.Start(a.onControllerChange)
	provider.Update()
}

func (a *App) onControllerChange(state inputs.ControllerState) {
	now := time.Now()

	if now.Sub(lastEmitTimestamp) >= emitInterval && !gameIsOpen {
		if state.Buttons != 0 {
			for _, button := range inputs.ConjureControllerButtons {
				if state.Buttons&(1<<button) != 0 {
					fmt.Printf("Button %s pressed\n", (button).String())
				}
			}
			fmt.Printf("Button was pressed! %d\n", state.Buttons)
		}

		if state.Joystick.X != 127 || state.Joystick.Y != 127 {
			fmt.Printf("Joystick moved! %d - %d\n", state.Joystick.X, state.Joystick.Y)
		}

		fmt.Printf("Joystick: X=%d Y=%d Buttons=%08b\n", state.Joystick.X, state.Joystick.Y, state.Buttons)
		runtime.EventsEmit(a.ctx, "controller_change", state)
		lastEmitTimestamp = now
	}
}

func (a *App) StartGame(id string) {
	found := false
	fmt.Println(id)
	for _, game := range games {
		fmt.Println(game.Id)
		if game.Id == id {
			found = true
			gamePath := provider.ExtractGame(game)
			cmd := exec.Command(gamePath)
			gameIsOpen = true

			// Optional: attach current terminal's std streams
			cmd.Stdout = os.Stdout
			cmd.Stderr = os.Stderr
			cmd.Stdin = os.Stdin

			// Start the process
			if err := cmd.Start(); err != nil {
				fmt.Println("Failed to start:", err)
				return
			}

			fmt.Printf("Process started with PID %d\n", cmd.Process.Pid)

			// Optional: wait for it to finish
			if err := cmd.Wait(); err != nil {
				fmt.Println("Process exited with error:", err)
			} else {
				fmt.Println("Process exited successfully.")
			}
			gameIsOpen = false
		}
	}
	fmt.Printf("Found %b", found)
	fmt.Println()
}

func (a *App) LoadGames() []models.Metadata {
	games = provider.GetConjureGameInfo()
	return games
}

func (a *App) LoadGamesNewModel() []models.Game {
	return []models.Game{}
}

func (a *App) Log(message string) {
	fmt.Println(message)
}

func (a *App) LoadImage(gameId string, imageSrc string) provider.FileBlob {
	blob := provider.LoadImage(gameId, imageSrc)

	if blob == nil {
		return provider.FileBlob{}
	}

	return *blob
}