/* ncurses-minesweeper Copyright (c) 2021 Joshua 'joshuas3' Stockin
 * <https://joshstock.in>
 * <https://git.joshstock.in/ncurses-minesweeper>
 *
 * This software is licensed and distributed under the terms of the MIT License.
 * See the MIT License in the LICENSE file of this project's root folder.
 *
 * This comment block and its contents, including this disclaimer, MUST be
 * preserved in all copies or distributions of this software's source.
 */

#include <ncurses.h>

#include "../state.h"
#include "../strings.h"
#include "pages.h"
#include "text.h"

int draw_title_screen(game_state *state, int ch) {
    switch (ch) {
        case -1:
            return 0;
        case KEY_DOWN: {
            if (state->page_selection != 4) {
                state->page_selection++;
            } else
                beep();
            break;
        }
        case KEY_UP: {
            if (state->page_selection != 0) {
                state->page_selection--;
            } else
                beep();
            break;
        }
        case KEY_RESIZE:
            clear();
            break;
        case 10:
        case ' ':
        case KEY_ENTER: {
            clear();
            switch (state->page_selection) {
                case 0: {
                    state->page = Game;
                    state->page_selection = 0;
                    return draw_game(state, 0);
                }
                case 1: {
                    state->page = Options;
                    state->page_selection = 0;
                    return draw_options_screen(state, 0);
                }
                case 2: {
                    state->page = Help;
                    state->last_page = Title;
                    return draw_help_screen(state, 0);
                }
                case 3: {
                    state->page = About;
                    return draw_about_screen(state, 0);
                }
                case 4: { // QUIT
                    return 1;
                }
            }
            break;
        }
        case 27:
            return 1;
        case 0:
            break;
        default:
            beep();
    }

    int vdisplace = 0;

    // draw splash screen
    attron(A_BOLD | COLOR_PAIR(5));
    if (COLS > 130 && LINES > 18) {
        for (int i = 0; i < 7; i++) {
            const char *this_splash = title_screen_splash[i];
            mvprintw(centery() - 6 + i, centerx(this_splash), this_splash);
            vdisplace = 2;
        }
    } else if (COLS > 85 && LINES > 14) {
        for (int i = 0; i < 5; i++) {
            const char *this_splash = title_screen_splash_small[i];
            mvprintw(centery() - 5 + i, centerx(this_splash), this_splash);
            vdisplace = 1;
        }
    } else {
        mvprintw(centery() - 3, centerx(title_screen_splash_text), title_screen_splash_text);
        vdisplace = -1;
    }

    // draw button inputs
    for (int i = 0; i < 5; i++) {
        if (state->page_selection == i) attron(A_STANDOUT);
        mvprintw(centery() + i + vdisplace, centerx(title_screen_buttons[i]), title_screen_buttons[i]);
        if (state->page_selection == i) attroff(A_STANDOUT);
    }
    attroff(A_BOLD);

    // write copyright line @ bottom
    mvprintw(LINES - 1, centerx(copyright_line), copyright_line);

    attroff(COLOR_PAIR(5));

    return 0;
}