package BookShop;

import java.util.Scanner;

public class book {
String[] name = new String[30]; //數(shù)組1存儲圖書名稱數(shù)組
int [] state = new int[30]; //數(shù)組2存儲圖書借出狀態(tài)：0已借出/1可借
String[] date = new String[30];//數(shù)組3存儲圖書借出日期
int[] count = new int[30];//借出次數(shù)

public class shop {
Scanner scanner = new Scanner(System.in);
book bk = new book();

public void initial() {
    bk.name[0] = "Java基礎(chǔ)教程";
    bk.count[0] = 0;
    bk.date[0] = "2015-7-1";
    bk.state[0] = 0;

    bk.name[1] = "數(shù)據(jù)庫技術(shù)";
    bk.count[1] = 0;
    bk.state[1] = 1;

    bk.name[2] = "人月神話";
    bk.state[2] = 1;
    bk.count[2] = 0;

}

public void kaishi() {
    boolean flag = true;
    do {


        System.out.println("歡 迎 使 用 圖 書 管 理 系 統(tǒng)");
        System.out.println("**************************************");
        System.out.println("1. 新 增 圖 書");
        System.out.println("2. 查 看 圖 書");
        System.out.println("3. 刪 除 圖 書");
        System.out.println("4. 借 出 圖 書");
        System.out.println("5. 歸 還 圖 書");
        System.out.println("6. 退 出");
        System.out.print("****************************************\n");
        System.out.print("請選擇： ");
        int choice = scanner.nextInt();
        switch (choice) {
            case 1:
                System.out.println("--->新增圖書");
                xinzeng();
                break;
            case 2:
                System.out.println("--->查看圖書");
                chakan();
                break;
            case 3:
                System.out.println("--->刪除圖書");
                delete();
                break;
            case 4:
                System.out.println("--->借出圖書");
                sell();
                break;
            case 5:
                System.out.println("--->歸還圖書");
                gaveme();
                break;
            case 6:
                System.out.println("--->您已退出");
                break;
        }
    } while (flag == true);
}


//    歸還書籍

// 歸還時把state換成 1
// 有大bug
private void gaveme() {
System.out.println("請你輸入你要還的書的名字");
String name = scanner.next();

    for (int i = 0; i < bk.name.length; i++) {
        if (bk.name[i].equals(name) && bk.state[i] == 0) {
            bk.state[i] = 1;
            System.out.println("還書成功");
            break;
        } else if (bk.name[i] == null) {
            System.out.println("沒有找到匹配信息");
        }

    }

}

//借出圖書
//借出之后在圖書的.之后的借出更改為已借出，借出次數(shù)加一，在輸入借出時間
//有小bug  借出[1]書的時候 [2]直接沒有了
private void sell() {

// System.out.println("請輸入你要借的書的編號");
// int bh = scanner.nextInt();
System.out.println("請輸入你要借的書本的名字");
String name = scanner.next();
for (int i = 0; i < bk.name.length; i++) {
if (bk.name[i] == null) {
System.out.println("沒有找到匹配信息");
break;
} else if (bk.name[i].equals(bk.name[i]) && bk.state[i] == 1) {
bk.state[i] = 0;
bk.count[i] = +1;
System.out.println("請輸入借書的時間");
bk.state[i] = scanner.nextInt();
System.out.println("借出《" + name + "》成功!");
break;
} else if (bk.name[i].equals(name) && bk.state[i] == 0) {
System.out.println("不好意思，你要接的書已經(jīng)被別人接走了");
}
}

}

//有大bug
//刪除圖書
//把他的下表跟最后一位空的下表更換位置就行
private void delete() {
    boolean flag = true;
    System.out.println("請輸入要刪除的書的名字");
    String name = scanner.next();
    for (int i = 0; i < bk.name.length; i++) {
        if((bk.name[i].equalsIgnoreCase(name)&& bk.name[i] !=null)){
            int j = i;
            while (bk.name[j + 1] != null) {
                bk.name[j] = bk.name[j + 1];
                bk.state[j] = bk.state[j + 1];
                bk.date[j] = bk.date[j + 1];
                j++;
            }
            bk.name[j] = null;
            bk.date[j] = null;
            flag = true;
            break;
        } else{
            flag = false;

        }if( flag){
            System.out.println("刪除失敗");
        }else{
            System.out.println("刪除成功");
        }

        /*if ((bk.name[i] != null) && (bk.name[i].equalsIgnoreCase(name)) && (bk.state[i] == 1)) {
            int j = i;
            while (bk.name[j + 1] != null) {
                bk.name[j] = bk.name[j + 1];
                bk.state[j] = bk.state[j + 1];
                bk.date[j] = bk.date[j + 1];
                j++;
            }

            System.out.println("刪除《" + name + "》成功！");
        } else if ((bk.name[i] != null) && bk.name[i].equals(name) && (bk.state[i] == 0)) {
            System.out.println("這本書被人接走了");
        } else {

            System.out.println("沒有找到匹配信息");
            break;
        }*/

    }

}

//查看圖書
private void chakan() {
    System.out.println("序號\t 狀態(tài)\t 名稱\t 借出日期\t");
    for (int i = 0; i < bk.name.length; i++) {
        if (bk.name[i] == null) {

        } else if (bk.state[i] == 0) {
            System.out.println((i + 1) + "\t已借出\t" + "<<" + bk.name[i] + "》\t" + bk.date[i]);

// break;
} else if (bk.state[i] == 1) {
System.out.println((i + 1) + "\t可 借\t" + "<<" + bk.name[i] + ">>");
}
}
System.out.println("******************************");

}

//新增圖書
private void xinzeng() {
    System.out.println("請輸入要新增的圖書名字");
    String name = scanner.next();
    for (int i = 0; i < bk.name.length; i++) {
        if (bk.name[i] == null) {
            bk.name[i] = name;
            bk.state[i] = 1;
            System.out.println("新增《" + name + "》成功");
            break;
        }

    }
}

}
public class csshi {
public static void main(String[] args) {
shop sp = new shop();
sp.initial();
sp.kaishi();
}
}