package main

import (
	"context"
	"fmt"
	"slices"
)

// App struct
type App struct {
	ctx context.Context
}

// NewApp creates a new App application struct
func NewApp() *App {
	return &App{}
}

// 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) Greet(name string) string {
	return fmt.Sprintf("Hello %s, It's show time!", name)
}

type Thing struct {
	ID   int
	Name string
}

type Service struct {
	things map[int]Thing
	maxID  int
}

func NewThingsService() *Service {
	return &Service{
		things: make(map[int]Thing),
	}
}

func (s *Service) NewThing(name string) {
	s.maxID++
	s.things[s.maxID] = Thing{
		Name: name,
		ID:   s.maxID,
	}

	print(name)
}

func (s *Service) GetThings() []Thing {
	things := make([]Thing, 0, len(s.things))
	for _, t := range s.things {
		things = append(things, t)
	}
	slices.SortFunc(things, func(a, b Thing) int { return a.ID - b.ID })
	return things
}

func (s *Service) DeleteThing(id int) {
	delete(s.things, id)

}