# Shell.cpp 1/27
command的input的部分初稿完成

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

bool CmdCompare(const char* CmdToCmp); //直接compare command_title
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); // 查看場、局風

short GetType(short title_id); // 取得花色
short GetDigit(short title_id); // 取得數字
short GetTimes(short title_id); // 取得同牌的次數

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

short card[23] = {0}; // 手牌最多到22張[5槓(20)+2]
short card_size = 0; // 手牌數
map<short, short> card_map; // 手牌搜尋用map
char command_title[20] = {0}; //指令
char command_contxt[70] = {0}; //指令參數

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 (inputchar == '\n')
            {
                command_title[title_size] = 0;
                command_contxt[contxt_size] = 0;
                break;
            }
            if (!is_title)
            {
                command_contxt[contxt_size++] = inputchar;
                continue;
            }
            else if (is_title && inputchar == ' ')
            {
                is_title = false;
                continue;
            }
            else
                command_title[title_size++] = inputchar;
        }
        cout << "Recieved: " << command_title << ' ' << command_contxt << endl;

////////////////////////////////////////////////////////////////////////////

        // 開始(input)
        if (CmdCompare("/start"))
            currentGame.PlayerID = (short)command_contxt[3] - '0';
            
        // 本局資訊(input)
        else 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';
        }
        
        // 發牌(input)
        else if (CmdCompare("/initCard"))
        {
            char subtxt[4] = {0};
            
            //if莊家 17張手牌, else 16張手牌
            if(currentGame.PlayerID == currentGame.Master)
                card_size = 17;
            else
                card_size = 16;
            
            for(short i = 0; i < card_size; i++)
            {
                SubContxt(subtxt, command_contxt, 0, ' ');
                card[i] = (subtxt[0] - '0') * 100 + (subtxt[1] - '0') * 10 + (subtxt[2] - '0');
                card_map[card[i]] = i;
            }
            
        }
        
        // 摸(input)
        else if (CmdCompare("/mo"))
        {
            card[card_size] = (command_contxt[0] - '0') * 100 + (command_contxt[1] - '0') * 10 + (command_contxt[2] - '0'); // 新摸入的牌一律放到最尾端
            card_map[card[card_size]] = card_size;
            card_size++;
        }
        
        // 詢問AI動作(input)
        else if (CmdCompare("/ask"))
        {
            // throw丟(output)
            if (command_contxt[0] == 't')
            {
                // collect info
            }

            // eat吃(output)
            else if (command_contxt[0] == 'e')
            {
                // collect info
            }

            // pong碰(output)
            else if (command_contxt[0] == 'p')
            {
                // collect info
            }

            // gong槓(output)
            else if (command_contxt[0] == 'g')
            {
                short playerID = command_contxt[0] - '0';
                if (playerID == currentGame.PlayerID) continue;
                
                short gong_type = command_contxt[2] - '0';
                /*
                if (gong_type == 4) // 明槓
                {
                    // collect info
                }
                else if (gong_type == 0) // 暗槓
                {
                    // collect info
                }
                else if (gong_type == 1) // 加槓
                {
                    // collect info
                }
                */
            }
            
            // hu胡(output)
            else if (command_contxt[0] == 'h')
            {
                // collect info
            }
        }
        
        // 確認AI有連接(?)
        else if (CmdCompare("/ready"))
        {}
        
        // 程式結束(input)
        else if (CmdCompare("/quit"))
            break;
        
        // Error(input)
        else
            cout << "Input Error!";
    }

    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 && *(mainArr + i - 1) != 0; i++)
    {
        // cout << *(mainArr + 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;
    }
}

short GetType(short title_id)
{
    // 如果title_id > 999, print warning
    if(title_id > 999) 
        cout << "[Warning] - The title_id > 999.\n";
    // return type
    short type = (title_id / 100) % 10; // %10是為了就算>999也能回傳百位數
    return type;
}

short GetDigit(short title_id)
{
    // 如果title_id > 999, print warning
    if(title_id > 999) 
        cout << "[Warning] - The title_id > 999.\n";
    // return type
    short type = (title_id / 10) % 10; // %10是為了就算>999也能回傳十位數
    return type;
}

short GetTimes(short title_id)
{
    // 如果title_id > 999, print warning
    if(title_id > 999) 
        cout << "[Warning] - The title_id > 999.\n";
    // return type
    short type = title_id % 10; // %10是為了就算>999也能回傳個位數
    return type;
}