/*

    csol - CURSES solitaire

    Copyright (C) 2018  Ian Cowburn (ianc@noddybox.co.uk)

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

    -------------------------------------------------------------------------

    Main

*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>

#include <curses.h>

#include "deck.h"
#include "pile.h"
#include "util.h"
#include "klondike.h"

#define NO_GAMES 4

typedef struct
{
    unsigned long played;
    unsigned long won;
} Score;

static Score    score[NO_GAMES];
static char     score_file[4096];

static void LoadScores()
{
    FILE *fp;

    if (!score_file[0])
    {
        char *home = NULL;

        home = getenv("HOME");

        if (home)
        {
            strcpy(score_file, home);
        }

        strcat(score_file,"/.csolscore");
    }

    fp = fopen(score_file, "r");

    if (fp)
    {
        int f;
        char line[80];

        for(f = 0; f < NO_GAMES; f++)
        {
            if (fgets(line, sizeof line, fp))
            {
                char *p;

                p = strtok(line, "\r\n ");

                if (p)
                {
                    score[f].played = strtoul(p, NULL, 0);

                    p = strtok(NULL, "\r\n ");

                    if (p)
                    {
                        score[f].won = strtoul(p, NULL, 0);
                    }
                }
            }
        }

        fclose(fp);
    }
}

static const char *GetScore(int game)
{
    static char buff[80];

    if (score[game].played == 0)
    {
        strcpy(buff, "0 played, 0 won, 0.0000%");
    }
    else
    {
        snprintf(buff, sizeof buff, "%lu played, %lu won, %.4f%%",
                score[game].played,
                score[game].won,
                (double)score[game].won / (double)score[game].played * 100.0);
    }

    return buff;
}

static void SaveScores()
{
    FILE *fp;
    int f;

    fp = fopen(score_file, "w");

    if (fp)
    {
        for(f = 0; f < NO_GAMES; f++)
        {
            fprintf(fp, "%lu %lu\n", score[f].played, score[f].won);
        }

        fclose(fp);
    }
}

int main(int argc, char *argv[])
{
    const char *game_title[NO_GAMES] =
    {
        "1 ............. Klondike (draw three)",
        "2 ............... Klondike (draw one)",
        "3 .. Thoughtful Klondike (draw three)",
        "4 .... Thoughtful Klondike (draw one)"
    };
    int key;
    int opt = 1;
    int quit = FALSE;

    if (argc > 1)
    {
        srand(atoi(argv[1]));
    }
    else
    {
        srand(time(NULL));
    }

    initscr();
    cbreak();
    noecho();
    keypad(stdscr, TRUE);

    LoadScores();

    while(!quit)
    {
        int row = 3;
        int won = 0;
        int game;
        int f;

        erase();

        Centre(1, "CURSES solitaire");

        for(f = 0; f < NO_GAMES; f++)
        {
            mvprintw(row++, 0, "%s [%s]", game_title[f], GetScore(f));
        }

        row++;
        mvaddstr(row++, 0, "Q .. Quit");

        key = getch();

        game = -1;

        switch(key)
        {
            case '1':
                erase();
                game = 0;
                won = Klondike(3, FALSE);
                break;
            case '2':
                erase();
                game = 1;
                won = Klondike(1, FALSE);
                break;
            case '3':
                erase();
                game = 2;
                won = Klondike(3, TRUE);
                break;
            case '4':
                erase();
                game = 3;
                won = Klondike(1, TRUE);
                break;
            case 'q':
            case 'Q':
                quit = TRUE;
                break;
            case '?':
                erase();
                Centre(2, "Press the indicated key to select the menu item.");
                Centre(4, "Press SPACE to continue.");
                refresh();
                while(getch() != ' ');
                break;
            default:
                break;
        }

        if (game != -1)
        {
            score[game].played++;

            if (won)
            {
                score[game].won++;
            }

            SaveScores();
        }
    }

    erase();
    refresh();
    endwin();

    return EXIT_SUCCESS;
}

/*
vim: ai sw=4 ts=8 expandtab
*/