// Copyright 2014 Hajime Hoshi
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package blocks

import (
	"github.com/hajimehoshi/ebiten/v2"
)

const (
	ScreenWidth  = 256
	ScreenHeight = 240
)

type Game struct {
	sceneManager *SceneManager
	input        Input
}

func (g *Game) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) {
	return ScreenWidth, ScreenHeight
}

func (g *Game) Update() error {
	if g.sceneManager == nil {
		g.sceneManager = &SceneManager{}
		g.sceneManager.GoTo(&TitleScene{})
	}

	g.input.Update()
	if err := g.sceneManager.Update(&g.input); err != nil {
		return err
	}
	return nil
}

func (g *Game) Draw(screen *ebiten.Image) {
	g.sceneManager.Draw(screen)
}