// cmd/jws/main.go
package main

import (
	"embed"
	"encoding/json"
	"fmt"
	"jws/internal/dependency"
	"jws/internal/gui"
	"jws/internal/project"
	"os"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/dialog"
	"fyne.io/fyne/v2/theme"
)

//go:embed all:projects
var projectsFS embed.FS

var (
	dependencies []dependency.Dependency
	projects     []project.Project
	mainWindow   fyne.Window
)

func main() {
	a := app.New()
	mainWindow = a.NewWindow("JakartaEE & Spring Boot Starter")
	mainWindow.Resize(fyne.NewSize(600, 600))
	mainWindow.SetFixedSize(true)

	// Initialize dependencies
	dependencies = []dependency.Dependency{
		{Name: "Visual Studio Code", Installed: false, Icon: theme.DocumentIcon()},
		{Name: "Docker", Installed: false, Icon: theme.MediaPlayIcon()},
	}

	// Standard projects
	standartProjects := []project.Project{
		{
			Name:        "JakartaEE Todo-App mit Servlet",
			Description: "Eine Todo-Anwendung mit Jakarta Servlet und\nPostgreSQL-Datenbank.",
			FolderName:  "jakarta-servlet-todo",
		},
		{
			Name:        "JakartaEE Todo-App mit JSP",
			Description: "Eine Todo-Anwendung mit Jakarta Server Pages und PostgreSQL-Datenbank.",
			FolderName:  "jakarta-jsp-todo",
		},
		{
			Name:        "JakartaEE Todo-App als REST-API",
			Description: "Eine Todo-Anwendung als REST-API mit JakartaEE und PostgreSQL-Datenbank.",
			FolderName:  "jakarta-rest-todo",
		},
		{
			Name:        "Spring Boot Todo-App als Microservice",
			Description: "Eine Todo-Anwendung als Microservice mit Spring Boot und PostgreSQL-Datenbank.",
			FolderName:  "spring-boot-todo",
		},
	}

	// Load additional projects from projects.json
	pluginProjects, err := loadProjects("projects.json")
	if err != nil {
		dialog.ShowError(fmt.Errorf("error loading projects: %v", err), mainWindow)
		return
	}

	projects = append(standartProjects, pluginProjects...)

	// Initialize GUI package
	gui.Init(mainWindow, dependencies, projects, projectsFS)

	// Check dependencies
	dependency.CheckDependencies(dependencies)
	allInstalled := true
	for _, dep := range dependencies {
		if !dep.Installed {
			allInstalled = false
			break
		}
	}

	// Show appropriate screen
	if allInstalled {
		gui.ShowProjectScreen()
	} else {
		gui.ShowDependencyScreen()
	}

	mainWindow.ShowAndRun()
}

func loadProjects(filePath string) ([]project.Project, error) {
	file, err := os.Open(filePath)
	if err != nil {
		if os.IsNotExist(err) {
			return []project.Project{}, nil
		}
		return nil, fmt.Errorf("error opening JSON-file: %v", err)
	}
	defer file.Close()

	var projects []project.Project
	decoder := json.NewDecoder(file)
	if err := decoder.Decode(&projects); err != nil {
		return nil, fmt.Errorf("error decoding JSON-file: %v", err)
	}

	return projects, nil
}