import spock.lang.Specification
import spock.lang.Unroll
/**
 * Created by IntelliJ IDEA.
 * User: kyon
 * Date: 12/06/24
 * Time: 14:53
 * To change this template use File | Settings | File Templates.
 */
class VendingSpec extends Specification {
    def sut
    def "setup"(){
        sut = new VendingMachine()

        List.metaClass.everyWithIndex = {Closure closure ->
            def result = true
            delegate.eachWithIndex{it, i -> result &= closure.call(it, i)}
            result
        }

    }

    @Unroll
    def "insert #money is accepted #expect"(){

        expect:
            money.everyWithIndex{it, i ->
                sut.insert(it) == expect[i]
            }

        where:
            money   |expect
            [10]    |[10]
            [10,50] |[10,60]
            [10, 5] |[10, 10]
            [5000]  |[0]
    }
    @Unroll
    def "show #change when insert #money"(){

        expect:
            money.each {
                sut.insert(it)
            }
            sut.showChange() == change
        where:
            money           |change
            [10,100]        |0
            [5000]          |5000
            [1,10,100,5000] |5001
    }

    @Unroll
    def "show stock #goodsName : #goodsPrice has #goodsCount"(){

        expect:
            goodsName.every{
                def goods = sut.getStock(it)
                [goods.name, goods.price, goods.count] == [it, goodsPrice, goodsCount]
            }

        where:
            goodsName   |goodsPrice |goodsCount
            ["Cola"]      |120        |5


    }


    @Unroll
    def "do cancel insert #totalPrice "(){

        expect:
            money.each{
                sut.insert(it)
            }

            sut.cancel() == 0
            sut.showChange() == totalPrice

        where:
            money       |totalPrice
            [100,100]   |200
            [5,50,1000] |1055
    }

    def "check goods stock"(){

    }

    def "can Buy"(){
        expect:

            money.everyWithIndex{it, i ->
                sut.insert(it);
                sut.canBuy() == expect[i]
            }

        where:
            money       |expect
            [10,10,100] |[false,false,true]
            [500,10]    |[true,true]

    }


    class VendingMachine {
        def total = 0
        def change = 0
        def acceptMoney = [10,50,100,500,1000]
        def goods = [name:"Cola",price:120,count:5]
        def int insert(money){
            if (acceptMoney.contains(money)) {
                total +=money
            } else {
                change += money
            }
            total
        }

        def showChange(){
            change

        }

        def getStock(goods){
            this.goods
        }

        def cancel(){
            change += total
            total = 0
            0
        }

        def canBuy(){
            total >= goods.price

        }
    }

}