package options

import (
	"log"
	"runtime"

	wailsruntime "github.com/wailsapp/wails/v2/internal/runtime"
	"github.com/wailsapp/wails/v2/pkg/menu"

	"github.com/imdario/mergo"
	"github.com/wailsapp/wails/v2/pkg/logger"
	"github.com/wailsapp/wails/v2/pkg/options/mac"
)

// App contains options for creating the App
type App struct {
	Title             string
	Width             int
	Height            int
	DisableResize     bool
	Frameless         bool
	Fullscreen        bool
	Frameless         bool
	MinWidth          int
	MinHeight         int
	MaxWidth          int
	MaxHeight         int
	StartHidden       bool
	HideWindowOnClose bool
	DevTools          bool
	RGBA              int
	ContextMenus      []*menu.ContextMenu
	TrayMenus         []*menu.TrayMenu
	Menu              *menu.Menu
	Mac               *mac.Options
	Logger            logger.Logger `json:"-"`
	LogLevel          logger.LogLevel
	Startup           func(*wailsruntime.Runtime) `json:"-"`
	Shutdown          func()                      `json:"-"`
	Bind              []interface{}
}

// MergeDefaults will set the minimum default values for an application
func MergeDefaults(appoptions *App) {
	err := mergo.Merge(appoptions, Default)
	if err != nil {
		log.Fatal(err)
	}

	// Ensure max and min are valid
	if appoptions.MinWidth > 0 && appoptions.MaxWidth > 0 {
		if appoptions.MinWidth > appoptions.MaxWidth {
			appoptions.MinWidth = appoptions.MaxWidth
		}
	}
	if appoptions.MinHeight > 0 && appoptions.MaxHeight > 0 {
		if appoptions.MinHeight > appoptions.MaxHeight {
			appoptions.MinHeight = appoptions.MaxHeight
		}
	}
	// Ensure width and height are limited if max/min is set
	if appoptions.Width < appoptions.MinWidth {
		appoptions.Width = appoptions.MinWidth
	}
	if appoptions.Width > appoptions.MaxWidth {
		appoptions.Width = appoptions.MaxWidth
	}
	if appoptions.Height < appoptions.MinHeight {
		appoptions.Height = appoptions.MinHeight
	}
	if appoptions.Height > appoptions.MaxHeight {
		appoptions.Height = appoptions.MaxHeight
	}

}

func GetTrayMenus(appoptions *App) []*menu.TrayMenu {
	var result []*menu.TrayMenu
	switch runtime.GOOS {
	case "darwin":
		if appoptions.Mac != nil {
			result = appoptions.Mac.TrayMenus
		}
		//case "linux":
		//	if appoptions.Linux != nil {
		//		result = appoptions.Linux.TrayMenu
		//	}
		//case "windows":
		//	if appoptions.Windows != nil {
		//		result = appoptions.Windows.TrayMenu
		//	}
	}

	if result == nil {
		result = appoptions.TrayMenus
	}

	return result
}

func GetApplicationMenu(appoptions *App) *menu.Menu {
	var result *menu.Menu
	switch runtime.GOOS {
	case "darwin":
		if appoptions.Mac != nil {
			result = appoptions.Mac.Menu
		}
		//case "linux":
		//	if appoptions.Linux != nil {
		//		result = appoptions.Linux.TrayMenu
		//	}
		//case "windows":
		//	if appoptions.Windows != nil {
		//		result = appoptions.Windows.TrayMenu
		//	}
	}

	if result == nil {
		result = appoptions.Menu
	}

	return result
}

func GetContextMenus(appoptions *App) []*menu.ContextMenu {
	var result []*menu.ContextMenu

	switch runtime.GOOS {
	case "darwin":
		if appoptions.Mac != nil {
			result = appoptions.Mac.ContextMenus
		}
		//case "linux":
		//	if appoptions.Linux != nil {
		//		result = appoptions.Linux.TrayMenu
		//	}
		//case "windows":
		//	if appoptions.Windows != nil {
		//		result = appoptions.Windows.TrayMenu
		//	}
	}

	if result == nil {
		result = appoptions.ContextMenus
	}

	return result
}