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#include <SFML/Graphics.hpp>
#include <cstdlib>  // std::rand, std::srand
#include <ctime>    // std::time
#include "Tetromino.hpp"

using namespace sf;

extern const int N; // Sử dụng biến toàn cục đã khai báo trong Game.cpp

Point a[4], b[4], c[4];
int figures[7][4] =
{
    1,3,5,7, // I
    2,4,5,7, // Z
    3,5,4,6, // S
    3,5,4,7, // T
    2,3,5,7, // L
    3,5,7,6, // J
    2,3,4,5, // O
};

void resetTetromino(int& colorNum, int& nextColorNum, int& nextTemo) {
    colorNum = 1 + rand() % 7;
    int n = rand() % 7;
    int offset = rand() % 6;
    for (int i = 0; i < 4; i++) {
        a[i].y = figures[n][i] % 2;
        a[i].x = figures[n][i] / 2 + offset;
    }
    nextColorNum = 1 + rand() % 7;
    nextTemo = rand() % 7;
    for (int i = 0; i < 4; i++) {
        c[i].y = figures[nextTemo][i] % 2;
        c[i].x = figures[nextTemo][i] / 2;
    }
}

bool checkTetromino(int field[23][10]) {
    for (int i = 0; i < 4; i++) {
        if (a[i].x < 0 || a[i].x >= N || a[i].y >= 23) return false;
        else if (field[a[i].y][a[i].x]) return false;
    }
    return true;
}

bool isDraw() {
    for (int i = 0; i < 4; i++)
        if (a[i].y < 3) return false;
    return true;
}

bool checkI() {
    for (int i = 0; i < 4; i++) {
        if (c[i].y != 1) return false;
    }
    return true;
}

bool checkO() {
    return (c[0].y == 0 && c[1].y == 1 && c[2].y == 0 && c[3].y == 1);
}