#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/stat.h>
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/msg.h>
#include <sys/sem.h>
#include <string.h>
#include <unistd.h>

#include <server.h>
#include <structures.h>
#include <custom_sem.h>
#include <custom_shm.h>
#include <errExit.h>
#include <forza4.h>
#include <custom_msgq.h>
#include <custom_sig.h>

int main(int argc, char *argv[]){
    printf("Il mio pid per killarmi: %d\n", getpid());  //FIXME: TMP

    setupServer(argc, argv);


    // aperta semaforo per connessione dei due client
    printf(PSERVER "Waiting for players...\n");
    semOp(_SEMID, 0, 1);
    semOp(_SEMID, 1, 1);


    // aspetto che si connettano i due client
    semOp(_SEMID, 2, -1);

    player_ds player;
    char name[2][MAX_NAME];

    // ricevuta nome primo client
    rcvPlayer(&player);

    strcpy(name[player.id], player.name_player);
    _PIDS[player.id] = player.pid;
    
    printf(PSERVER "Player %s connected\n", name[player.id]);
    
    // aspetto secondo client
    semOp(_SEMID, 2, -1);
    // ricevuta nome secondo client
    rcvPlayer(&player);

    strcpy(name[player.id], player.name_player);
    _PIDS[player.id] = player.pid;

    printf(PSERVER "Player %s connected\n", name[player.id]);

    semOp(_SEMID, 0, 1);
    semOp(_SEMID, 1, 1);


    // PARTITA
    printf(PSERVER "Starting game\n");

    printf("%d %d\n", _ROWS, _COLLUMS);
    for (int i=0; i < _ROWS * _COLLUMS; i++) {  //FIXME: tmp
        _BOARD[i] = EMPTY;
    }


    int turns_left = _INPUT_S.rows * _INPUT_S.collums;
    int turn = 0;
    tile_t result;
    move_t move;

    do {
        semOp(_SEMID, turn, 1);

        printf(PSERVER "%s's turn\n", name[turn]);

        rcvMove(&move);

        //TMP
        printf("move: %d\n", move.move);

        insertMove(_BOARD, move.move, turn);

        printf("turns left: %d\n", turns_left - 1);

        semOp(_SEMID, turn, 1);


        turn ^= 1;
    } while (--turns_left && !(result = checkWin(_BOARD, move.move)));


    if (!result) { //FIXME: change printf
        printf(PSERVER "Game ended in a draw\n");
        
    } else {
        printf(PSERVER "Game ended\n");
    }

    game_end_t game_end = {.mtype = 4, .winner = result};
    sndGame_end(&game_end);
    sndGame_end(&game_end);
    
    kill(_PIDS[0], SIGUSR1);
    kill(_PIDS[1], SIGUSR1);


    //TODO: end of game

    return 0;
}