package main

import (
	"fmt"
)

/*
实例
汤宝宝教你番茄炒蛋~
*/

type TomatoEgg struct{}

func (t *TomatoEgg) Serve() {
	fmt.Println("番茄炒蛋上桌啦！")
}

type CutTomato struct{}

func (c *CutTomato) Cut() {
	fmt.Println("番茄切好了。")
}

type BeatEgg struct{}

func (b *BeatEgg) Beat() {
	fmt.Println("鸡蛋打散了。")
}

type Cook struct {
	cutTomato *CutTomato
	beatEgg   *BeatEgg
}

func (c *Cook) CookDish() {
	c.cutTomato.Cut()
	c.beatEgg.Beat()
	fmt.Println("食材放入锅中，开火加热。")
	fmt.Println("番茄炒蛋炒好了。")
}

// 外观
type ChefFacade struct {
	cook *Cook
	dish *TomatoEgg
}

func NewChefFacade() *ChefFacade {
	return &ChefFacade{
		cook: &Cook{
			cutTomato: &CutTomato{},
			beatEgg:   &BeatEgg{},
		},
		dish: &TomatoEgg{},
	}
}

func (c *ChefFacade) PrepareAndServe() {
	fmt.Println("准备食材...")
	c.cook.CookDish()
	c.dish.Serve()
}

func main() {
	fmt.Println("============= 外观模式 =============")

	chef := NewChefFacade()
	chef.PrepareAndServe()

	fmt.Println()
	fmt.Println("=========== 外观模式结束 ===========")
}