#pragma once
//標頭檔案的包含
#include<stdio.h>
#include<stdlib.h>
#include<time.h>

//符號的定義
#define ROW 3
#define COL 3

//函式的宣告
//初始化棋盤
void InitBoard(char board[ROW][COL],int row,int col);

//列印棋盤的函式
void DisplayBoard(char board[ROW][COL], int row, int col);

//玩家下棋
void PlayerMove(char board[ROW][COL], int
 
 row, int col);

//電腦下棋
void ComputerMove(char board[ROW][COL], int row, int col);

//1.玩家贏了
//2.電腦贏了
//3.平局
//4.遊戲繼續

//判斷遊戲是否有輸贏
int Isfull(char board[ROW][COL], int row, int col);
char IsWin(char board[ROW][COL], int row, int col);

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include"game.h"
void
 
 InitBoard(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            board[i][j] = ' ';
        }
    }
}
void DisplayBoard(char board[ROW][COL], int row, int col)
{
    int i = 0;

    for (i = 0
 
; i < row; i++)
    {
        int j = 0;
        for (j = 0; j < col; j++)
        {
            printf(" %c ", board[i][j]);
            if (j< row - 1)
                printf("|");
        }
        printf("\n");
        if (i < row - 1)
        {
            int j = 0;
            for (j = 0; j < col; j++)
            {
                printf("---");
                if(j<col-1)
                    printf("|");
            }
            printf("\n");
        }
    }
}
void PlayerMove(char board[ROW][COL], int row, int col)
{
    int x = 0;
    int y = 0;

    printf("玩家走\n");
    while (1)
    {
        printf("請輸入座標:>");
        scanf("%d %d", &x, &y);
        //判斷座標的合法性
        if (x >= 1 && x <= row && y >= 1 && y <= col)
        {
            //下棋
            //座標是否被佔用
            if (board[x - 1][y - 1] == ' ')
            {
                board[x - 1][y - 1] = '*';

                break;
            }
            else
            {
                printf("座標被佔用，請重新輸入\n");
            }

        }
    
        //座標非法
        else
        {
            printf("座標非法,請重新輸入\n");
        }
    }
}
void ComputerMove(char board[ROW][COL], int row, int col)
{
    printf("電腦走:>\n");
    
    while (1)
    {
        int x = rand() % row;
        int y = rand() % col;

        //判斷佔用
        if (board[x][y] == ' ')
        {
            board[x][y] = '#';
            break;
        }
    }
}
int Isfull(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int j = 0;
    for (i = 0; i < row; i++)
    {
        for (j = 0; j < col; j++)
        {
            if (board[i][j] == ' ')
            {
                return 0;//棋盤沒滿
            }
        }
    }
    return 1;//棋盤滿了
}
char IsWin(char board[ROW][COL], int row, int col)
{
    int i = 0;
    int ret = 0;
    //判斷三行
    for (i = 0; i < row; i++)
    {
        if (board[i][0] == board[i][1] && board[i][1] == board[i][2] && board[i][1] != ' ')
        {
            return board[i][1];//
        }
    }
    //判斷三列
    for (i = 0; i < col; i++)
    {
        if (board[0][i] == board[1][i] && board[1][i] == board[2][i] && board[1][i] != ' ')
        {
            return board[1][i];//
        }
    }
    //判斷對角線
    
    if (board[0][0] == board[1][1] && board[1][1] == board[2][2] && board[1][1] != ' ')
    {
        return board[1][1];//
    }
    if (board[0][2] == board[1][1] && board[1][1] == board[2][0] && board[1][1] != ' ')
    {
        return board[1][1];//
    }
    
    //判斷平局
    //如果棋盤滿了返回1，不滿返回0

    ret = Isfull(board, row, col);
    if (ret == 1)
    {
        return 'Q';
    }
    //繼續
    return 'C';

    
}

#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include"game.h"
void menu()
{
    printf("***********************\n");
    printf("*****   1. play   *****\n");
    printf("*****   0. exit   *****\n");
    printf("***********************\n");

}
void game()
{
    //儲存資料-二維陣列
    char board[ROW][COL];
    //初始化棋盤-初始化空格
    InitBoard(board,ROW,COL);
    //列印棋盤-本質是列印陣列的內容
    DisplayBoard(board, ROW, COL);
    char ret = 0;
    while (1)
    {
        //玩家下棋
        PlayerMove(board, ROW, COL);
        DisplayBoard(board, ROW, COL);
        //判斷玩家是否贏得遊戲
        ret = IsWin(board, ROW, COL);
        if (ret != 'C')
            break;

        //電腦下棋
        ComputerMove(board, ROW, COL);
        DisplayBoard(board, ROW, COL);
        //判斷電腦是否贏得遊戲
        ret = IsWin(board, ROW, COL);
        if (ret != 'C')
            break;
    }
    if (ret == '*')
    {
        printf("玩家贏了\n");
        DisplayBoard(board, ROW, COL);
    }
    else if (ret == '#')
    {
        printf("電腦贏了\n");
        DisplayBoard(board, ROW, COL);
    }
    else
    {
        printf("平局\n");
    }
        
    
}
int main()
{
    int input = 0;
    srand((unsigned int)time(NULL));
    do {
        menu();
        printf("請選擇:>");
        scanf("%d", &input);
        switch (input)
        {
        case 1:
            game();
            break;
        case 0:
            printf("退出遊戲\n");
            break;
        default:
            printf("選擇錯誤，重新選擇\n");
            break;
        }


    } while (input);

    return 0;
}