package com.chen.InterpreterPattern;

import com.chen.InterpreterPattern.po.AndExpression;
import com.chen.InterpreterPattern.po.Expression;
import com.chen.InterpreterPattern.po.OrExpression;
import com.chen.InterpreterPattern.po.TerminalExpression;

/**
 * 解释器模式触发器
 *
 * @author lx
 * @date 2021/10/13 9:23
 **/
public class InterpreterMain {
    String[] cityAndFree = new String[]{"杭州", "攀枝花"};
    String[] cardAndFree = new String[]{"市民卡", "社保卡"};
    String[] workAndFree = new String[]{"税务够年", "已退休"};

    String[] allOrFree = new String[]{"孕妇", "退伍军人", "儿童"};

    String freeNotice = "滴，免费卡！";
    String spendNotice = "滴，扣费一万元！余额不足，请下去！";

    String[] customers = new String[]{"已退休的杭州的市民卡", "税务够年的上海的市民卡", "杭州的社保卡的已退休", "成都的退伍军人", "北京的市民卡"};

    Expression e;
    TerminalExpression allOrFreeT;
    TerminalExpression cityAndFreeT;
    TerminalExpression cardAndFreeT;
    TerminalExpression workAndFreeT;

    public void main() {

        allOrFreeT = new TerminalExpression(allOrFree);
        cityAndFreeT = new TerminalExpression(cityAndFree);
        cardAndFreeT = new TerminalExpression(cardAndFree);
        workAndFreeT = new TerminalExpression(workAndFree);

        for (String customer : customers) {

            System.out.println("欢迎“".concat(customer).concat("”乘车，正在检查你的卡："));

            System.out.println(">>>>>>>>>>>>>>>>>>>>>>>".concat(exec(customer)));

        }

    }

    private String exec(String customer) {

        e = new OrExpression(allOrFreeT, new AndExpression(cityAndFreeT, new AndExpression(cardAndFreeT, workAndFreeT)));

        return !e.interpret(customer) ? spendNotice : freeNotice;
    }
}