/* *******************************************************************
 *  Includes
 * ******************************************************************/

#include "Menu.h"
#include "HumanPlayer.h"
#include "Game.h"
#include "System.h"
#include "Sprite.h"
#include <Gamebuino.h>
#include <Arduino.h>

/* *******************************************************************
 *  Defines
 * ******************************************************************/

#define GAME_NAME   "Pocket Empires"

/* *******************************************************************
 *  Types definition
 * ******************************************************************/

/* *******************************************************************
 *  Global variables definition
 * ******************************************************************/

/* *******************************************************************
 *  Local variables definition
 * ******************************************************************/

/* *******************************************************************
 *  Local prototypes declaration
 * ******************************************************************/

static void MainMenuSinglePlayer(void);

/* *******************************************************************
 *  Functions definition
 * ******************************************************************/

/*****************************************************************//**
 *
 * \brief   Video game entry point. Main menu is shown, allowing
 *          the user to choose an option.
 *
 *********************************************************************/
void MainMenu(void)
{
    enum
    {
        CHOICE_SINGLE_PLAYER_GAME,
        CHOICE_MULTI_PLAYER_GAME,
        CHOICE_OPTIONS,

        MAX_CHOICES
    };

    /* Strings must be individually allocated into
     * PROGMEM so they can be read correctly by gb.menu(). */
    static const char strMainMenuOptions_0[] PROGMEM = "Single player game";
    static const char strMainMenuOptions_1[] PROGMEM = "Multiplayer game";
    static const char strMainMenuOptions_2[] PROGMEM = "Options";

    static const char* const astrMainMenuOptions[MAX_CHOICES] PROGMEM =
    {
        [CHOICE_SINGLE_PLAYER_GAME] =   strMainMenuOptions_0,
        [CHOICE_MULTI_PLAYER_GAME]  =   strMainMenuOptions_1,
        [CHOICE_OPTIONS]            =   strMainMenuOptions_2
    };

    /* Show video game name on
     * Gamebuino default title screen. */
    gb.titleScreen(F(GAME_NAME));

    /* Choose which module should be
     * executed depending on user input. */
    switch (gb.menu(astrMainMenuOptions, MAX_CHOICES))
    {
        case CHOICE_SINGLE_PLAYER_GAME:
            MainMenuSinglePlayer();
        break;

        case CHOICE_MULTI_PLAYER_GAME:
            /* Not implemented yet. Fall through. */
        case CHOICE_OPTIONS:
            /* Not implemented yet. Fall through. */
        default:
            /* Undefined choice. Exit. */
        break;
    }
}

/*****************************************************************//**
 *
 * \brief   Executes single player mode.
 *
 *********************************************************************/
static void MainMenuSinglePlayer(void)
{
    enum
    {
        /* Maximum number of characters for
         * player name, as specified on
         * Gamebuino documentation. */
        GAMEBUINO_MAX_PLAYER_NAME = 10
    };

    char strName[GAMEBUINO_MAX_PLAYER_NAME] = {0};

    /* Fill strName with default user name. */
    gb.getDefaultName(strName);

    Camera cam;

    /* Declare 1 human player instance. */
    HumanPlayer h(strName, cam);

    const struct tGameConfig c =
    {
        .pHumanPlayerData = &h,
        .u8NHumanPlayers = 1,
        .cam = cam
    };

    /* Set global camera for sprites. */
    Sprite::setCamera(&c.cam);

    BaseUnit::setCamera(&c.cam);

    /* Initialize game with defined configuration. */
    Game(c);
}