package tray

import (
	"context"
	"errors"
)

const (
	wmLeftButtonUp          = 0x0202
	wmLeftButtonDoubleClick = 0x0203
)

type Config struct {
	Tooltip  string
	IconPath string
	OnOpen   func()
}

type Controller struct {
	config Config
}

func Start(ctx context.Context, config Config) (func(), error) {
	if config.OnOpen == nil {
		return nil, errors.New("tray open handler is required")
	}
	return start(ctx, newController(config))
}

func newController(config Config) *Controller {
	return &Controller{config: config}
}

func (c *Controller) handleTrayEvent(event uintptr) bool {
	if event&0xffff != wmLeftButtonDoubleClick {
		return false
	}
	if c.config.OnOpen != nil {
		c.config.OnOpen()
	}
	return true
}