package internal

import (
	"encoding/json"
	"log"
	"runtime"
	"time"

	"github.com/jcollie/go-streamdeck"
	"github.com/micmonay/keybd_event"
)

// MacroButton .
type MacroButton struct {
	kb      keybd_event.KeyBonding
	kbc     chan rune
	sd      *streamdeck.StreamDeck
	Button  ButtonInfo
	Icon    StaticIconInfo
	Service ServiceInfo
}

// NewMacroButton .
func NewMacroButton(
	sd *streamdeck.StreamDeck,
	button ButtonInfo,
	icon StaticIconInfo,
) *MacroButton {
	b := new(MacroButton)

	b.sd = sd
	b.Button = button
	b.Icon = icon
	myButtons = append(myButtons, b)
	sd.SetCallback(b.Button.X, b.Button.Y, b)
	return b
}

// InitializeButton .
func (b *MacroButton) InitializeButton() {
	b.sd.FillIcon(b.Button.X, b.Button.Y,
		streamdeck.IconButton{
			Icon:            b.Icon.Icon,
			IconColor:       b.Icon.FgColor,
			BackgroundColor: b.Icon.BgColor,
		})
	kb, err := keybd_event.NewKeyBonding()
	if err != nil {
		panic(err)
	}
	b.kb = kb
	b.kbc = make(chan rune)
	go b.HandlePresses()

}

// StateChange .
func (b *MacroButton) StateChange(entityID string, newState string) {
	// do nothing
}

// ButtonPressed .
func (b *MacroButton) ButtonPressed(sd *streamdeck.StreamDeck, x int, y int, timestamp time.Time) {
	log.Printf("pressed %d %d %s\n", x, y, timestamp)
	b.sd.FillIcon(b.Button.X, b.Button.Y,
		streamdeck.IconButton{
			Icon:            b.Icon.Icon,
			IconColor:       b.Icon.PressedFgColor,
			BackgroundColor: b.Icon.PressedBgColor,
		},
	)
}

// ButtonReleased .
func (b *MacroButton) ButtonReleased(sd *streamdeck.StreamDeck, x int, y int, timestamp time.Time) {
	log.Printf("released %d %d %s\n", x, y, timestamp)
	b.sd.FillIcon(b.Button.X, b.Button.Y,
		streamdeck.IconButton{
			Icon:            b.Icon.Icon,
			IconColor:       b.Icon.FgColor,
			BackgroundColor: b.Icon.BgColor,
		},
	)

	for _, r := range "/kill @e[type=enderman]" {
		b.kbc <- r
	}
}

// HandlePresses .
func (b *MacroButton) HandlePresses() {
	// For linux, it is very important to wait 2 seconds
	if runtime.GOOS == "linux" {
		time.Sleep(2 * time.Second)
	}
	for r := range b.kbc {
		switch r {
		case ' ':
			b.kb.SetKeys(keybd_event.VK_SPACE)
		case '=':
			b.kb.SetKeys(keybd_event.VK_EQUAL)
		case '@':
			b.kb.SetKeys(keybd_event.VK_2)
			b.kb.HasSHIFT(true)
		case '/':
			b.kb.SetKeys(keybd_event.VK_SLASH)
		case '[':
			b.kb.SetKeys(keybd_event.VK_LEFTBRACE)
		case ']':
			b.kb.SetKeys(keybd_event.VK_RIGHTBRACE)
		case 'a':
			b.kb.SetKeys(keybd_event.VK_A)
		case 'b':
			b.kb.SetKeys(keybd_event.VK_B)
		case 'c':
			b.kb.SetKeys(keybd_event.VK_C)
		case 'd':
			b.kb.SetKeys(keybd_event.VK_D)
		case 'e':
			b.kb.SetKeys(keybd_event.VK_E)
		case 'f':
			b.kb.SetKeys(keybd_event.VK_F)
		case 'g':
			b.kb.SetKeys(keybd_event.VK_G)
		case 'h':
			b.kb.SetKeys(keybd_event.VK_H)
		case 'i':
			b.kb.SetKeys(keybd_event.VK_I)
		case 'j':
			b.kb.SetKeys(keybd_event.VK_J)
		case 'k':
			b.kb.SetKeys(keybd_event.VK_K)
		case 'l':
			b.kb.SetKeys(keybd_event.VK_L)
		case 'm':
			b.kb.SetKeys(keybd_event.VK_M)
		case 'n':
			b.kb.SetKeys(keybd_event.VK_N)
		case 'o':
			b.kb.SetKeys(keybd_event.VK_O)
		case 'p':
			b.kb.SetKeys(keybd_event.VK_P)
		case 'q':
			b.kb.SetKeys(keybd_event.VK_Q)
		case 'r':
			b.kb.SetKeys(keybd_event.VK_R)
		case 's':
			b.kb.SetKeys(keybd_event.VK_S)
		case 't':
			b.kb.SetKeys(keybd_event.VK_T)
		case 'u':
			b.kb.SetKeys(keybd_event.VK_U)
		case 'v':
			b.kb.SetKeys(keybd_event.VK_V)
		case 'w':
			b.kb.SetKeys(keybd_event.VK_W)
		case 'x':
			b.kb.SetKeys(keybd_event.VK_X)
		case 'y':
			b.kb.SetKeys(keybd_event.VK_Y)
		case 'z':
			b.kb.SetKeys(keybd_event.VK_Z)
		}
		err := b.kb.Press()
		if err != nil {
			log.Printf("error sending keyboard event: %+v", err)
		}
		time.Sleep(10 * time.Millisecond)
		err = b.kb.Release()
		if err != nil {
			log.Printf("error sending keyboard event: %+v", err)
		}
		b.kb.Clear()
		time.Sleep(30 * time.Millisecond)
	}
}

// HandleResult .
func (b *MacroButton) HandleResult(id uint64, success bool, result json.RawMessage) {
	log.Printf("result: %v %s\n", success, string(result))

}

// HandleClose .
func (b *MacroButton) HandleClose(id uint64) {
	log.Printf("home assistant closed")
}