package main

import (
	"context"
	"fmt"

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

// App struct
type App struct {
	Ctx   context.Context
	PrismLauncher Prism
	Java JavaManager
	Instance InstanceManager
	Modpacks ModpackManager
}


// NewApp creates a new App application struct
func NewApp() *App {
	a := &App{}
	a.PrismLauncher = Prism{app: a}
	a.Java = JavaManager{app: a}
	a.Instance = InstanceManager{app: a}
	a.Modpacks = ModpackManager{app: a}
	return a
}

// 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
}

// Greet returns a greeting for the given name


func (a *App) CheckPrerequisites() {
	a.Status("Querrying Existing Instances")
	a.Instance.SearchInstances()
	a.Status("Pulling Modpacks")
	a.Modpacks.QuerryModpacks()
	a.Status("Checking Prism")
	res := a.PrismLauncher.CheckInstalled()
	if res {
		a.Status("Prism OK")
	} else {
		a.Status("Prism MISSING")
		a.Status("Installing Prism")
		a.PrismLauncher.Install()
		a.Status("Prism Installed")
	}
	a.Status("Checking Java 21")
	res = a.Java.CheckJavaVer(21)
	if res {
		a.Status("Java 21 OK")
	} else {
		a.Status("Java 21 MISSING")
		a.Status("Installing Java 21")
		a.Java.InstallJavaVer(21)
		a.Status("Java 21 Installed")
	}
}

func (a *App) Status(status string) {
	fmt.Printf("LOG: %s\n", status)
	runtime.EventsEmit(a.Ctx, "status", status)
}