# Shell.cpp 1/25
接收輸入部分

#include <iostream>
#include <string.h>
using namespace std;

bool CmdCompare(const char* CmdToCmp);
bool StrCompare(char* context, const char* Compare); //compare maximum 20 characters
void SubContxt(char* subArr, char* mainArr, short begin, char target); //從指定位置開始分割字串直到指定字元
short CheckWind(char* wind);

class Gameinfo{
    public:
    short PlayerID = 1, BWind = 1, SWind = 1, OpenAt = 1, Master = 1, Mcombo = 0;
    Gameinfo() {}
};

char command_title[20] = {0};
char command_contxt[70] = {0};
int main()
{
    Gameinfo currentGame;
    while (true)
    {
        memset(command_title, 0, 20 * sizeof(char)); //sting.h 僅用 memset
        memset(command_contxt, 0, 70 * sizeof(char));
        char inputchar;
        bool is_title = true;
        for (short title_size = 0, contxt_size = 0;
            title_size < 20 && contxt_size < 70;)
        {
            inputchar = cin.get();  //輸入形式必須為 "<command> <context>[Enter]"
            if (!is_title)
            {
                if (inputchar == '\n')
                {
                    command_contxt[contxt_size] = 0;
                    break;
                }
                else
                    command_contxt[contxt_size++] = inputchar;
                continue;
            }
            else if (is_title && inputchar == ' ')
            {
                is_title = false;
                command_title[title_size] = 0;
                continue;
            }
            else
                command_title[title_size++] = inputchar;
        }
        cout << command_title << ' ' << command_contxt << endl;

        if (CmdCompare("/start"))
            currentGame.PlayerID = (short)command_contxt[3] - '0';

        if (CmdCompare("/initGame"))
        {
            char subtxt[6] = {0};

            SubContxt(subtxt, command_contxt, 0, ' ');
            currentGame.BWind = CheckWind(subtxt);
            SubContxt(subtxt, command_contxt, 0, ' ');
            currentGame.SWind = CheckWind(subtxt);

            currentGame.OpenAt = command_contxt[0] - '0';
            currentGame.Master = command_contxt[2] - '0';
            currentGame.Mcombo = command_contxt[4] - '0';
        }

        if (CmdCompare("/quit"))
            break;
    }

    return -1;
}

bool CmdCompare(const char* CmdToCmp)
{
    bool flag = true;
    for (short i = 0; command_title[i] != 0; i++)
        if(command_title[i] != CmdToCmp[i] || i > 10)
        {
            flag = false;
            break;
        }
    return flag;
}
bool StrCompare(char* context, const char* Compare) //compare maximum 20 characters
{
    bool flag = true;
    for (short i = 0; context[i] != 0; i++)
        if(context[i] != Compare[i] || i > 20)
        {
            flag = false;
            break;
        }
    return flag;
}

void SubContxt(char* subArr, char* mainArr, short begin, char target)
{
    short i;
    for (i = begin; *(mainArr + i - 1) != target; i++)
    {
        *(subArr + i) = *(mainArr + i);
    }
    for (short j = begin; *(mainArr + j) != 0; j++)
    {
        if (*(mainArr + j + i) != 0)
            *(mainArr + j) = *(mainArr + j + i);
        else
            *(mainArr + j) = 0;
    }
}

short CheckWind(char* wind)
{
    switch (*wind)
    {
    case 'E':
        return 1;
    case 'S':
        return 2;
    case 'W':
        return 3;
    case 'N':
        return 4;
    
    default:
        return -1;
    }
}