/*
 * Created by snapshot112 on 10/15/25.
 *
 * A game engine that can run and display games in square grids.
 */

#include "grid_game_engine.h"

#include <locale.h>
#include <ncurses.h>
#include <stdlib.h>

#include "rooster.h"

int modulo(const int number, const int mod) {
    int result = number % mod;
    if (result < 0) {
        result += mod;    //This is not how math is supposed to work C, damnit.
    }
    return result;
}

void show_grid_on_offset(const rooster *gp, const int starting_x, const int starting_y) {
    const int height = rooster_hoogte(gp);

    for (int y = 0; y < height; y++) {
        char *rij = rooster_vraag_rij(gp, y);
        mvprintw(starting_y + y, starting_x, "%s", rij);
        free(rij);
    }
    refresh();
}

void show_grid(const rooster *rp) {
    show_grid_on_offset(rp, 0, 0);
}

void update_grid(rooster *rp, char c, int x, int y) {
    if (rooster_plaats(rp, x, y, c) == 1) {
        mvaddch(y, x, c);
    }
}

/*
 * Shows the victory screen.
 *
 * Side Effect:
 * Clears the console and prints the victory message.
 */
static void display_victory(void) {
    erase();
    mvprintw(2,5, "YOU WON!!!!!");
    refresh();
}

/*
 * Shows the GAME OVER screen.
 *
 * Side Effect:
 * Clears the console and prints the GAME OVER message.
 */
static void display_loss(void) {
    erase();
    mvprintw(2,5, "GAME OVER");
    refresh();
}

/*
 * Shows the quit screen
 *
 * Side Effect:
 * Clears the console and prints the quit message.
 */
static void display_quit(void) {
    erase();
    mvprintw(2,5, "You quit the game");
    refresh();
}

/*
 * Shows the hacker man screen
 *
 * Side Effect:
 * Clears the console and prints the hacker man message.
 */
static void display_hackerman(void) {
    erase();
    mvprintw(2,5, "The hacker man strikes again...");
    refresh();
}

void graceful_exit(void) {
    mvprintw(25, 5, "Press 'q' to exit.");
    while (1) {
        switch (getch()) {
            case 'q':
            case 'Q':
                return;
        }
    }
}

void game_exit_screen(rooster *gp) {
    toestand current_state = rooster_vraag_toestand(gp);
    switch (current_state) {
        case STATE_GEWONNEN:
            display_victory();
            break;
        case STATE_VERLOREN:
            display_loss();
            break;
        case STATE_QUIT:
            display_quit();
            break;
        default:
            display_hackerman();
    }
    graceful_exit();
}

static void init_ncurses() {
    setlocale(LC_ALL, "");
    initscr();
    cbreak();             // So you can cancel the game with ctrl + c.
    keypad(stdscr, TRUE); // Enable extra keys like the arrow keys.
    noecho();             // Don't write the keyboard input to the console.
    curs_set(0);          // Hides the cursor.

    // mousemask(ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION, NULL); // Don't mask any mouse events
    // printf("\033[?1003h\n"); // Makes the terminal report mouse movement events

    start_color();
    init_pair(BLACK, COLOR_BLACK, COLOR_BLACK);
    init_pair(WHITE, COLOR_BLACK, COLOR_WHITE);
    init_pair(BLUE, COLOR_BLACK, COLOR_BLUE);
    init_pair(GREEN, COLOR_BLACK, COLOR_GREEN);
    init_pair(CYAN, COLOR_BLACK, COLOR_CYAN);
    init_pair(MAGENTA, COLOR_BLACK, COLOR_MAGENTA);
    init_pair(YELLOW, COLOR_BLACK, COLOR_YELLOW);
    init_pair(RED, COLOR_BLACK, COLOR_RED);

    clear();
}

static void cleanup_ncurses() {
    endwin();
}

void init_engine(void) {
    init_ncurses();
}

void cleanup_engine(void) {
    cleanup_ncurses();
}