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

#include "HumanPlayer.h"
#include "System.h"
#include <Buttons.h>
#include <Gamebuino.h>

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

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

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

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

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

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

/*****************************************************************//**
 *
 * \brief   Constructor for HumanPlayer class.
 *
 *********************************************************************/
HumanPlayer::HumanPlayer(const char* const strPlayerName) :
Player(strPlayerName)
{
    _unitsMap[0].create(Unit::UNIT_ID_PEASANT);
}

/*****************************************************************//**
 *
 * \brief   Periodical event handler that calls HumanPlayer subtasks.
 *
 *********************************************************************/
void HumanPlayer::handler(void)
{
    this->buttonHandler();

    for (uint8_t i = 0; i < MAX_UNITS; i++)
    {
        Unit& unit = _unitsMap[i];

        unit.handler();
    }
}

/*****************************************************************//**
 *
 * \brief   Event handler executed when human player presses
 *          left arrow button.
 *
 *********************************************************************/
void HumanPlayer::buttonHandler(void)
{
    for (uint8_t u8Btn = 0; u8Btn < NUM_BTN; u8Btn++)
    {
        /* This array of member functions lists
         * button pressed event handlers for each button. */
        static void (HumanPlayer::*const apBtnHandlerTable[NUM_BTN])(void) =
        {
            [BTN_LEFT]  = NULL,
            [BTN_UP]    = NULL,
            [BTN_RIGHT] = NULL,
            [BTN_DOWN]  = NULL,
            [BTN_A]     = &HumanPlayer::onABtnPressed,
            [BTN_B]     = &HumanPlayer::onBBtnPressed
        };

        static void (Camera::*const apBtnCameraHandlerTable[NUM_BTN])(void) =
        {
            [BTN_LEFT]  = &Camera::onLeftBtnPressed,
            [BTN_UP]    = NULL,
            [BTN_RIGHT] = &Camera::onRightBtnPressed,
            [BTN_DOWN]  = NULL
        };

        if (gb.buttons.pressed(u8Btn))
        {
            /* Key has been pressed. Execute both
             * HumanPlayer and Camera handlers, if available. */

            /* Get pointer to HumanPlayer member function for selected button. */
            void (HumanPlayer::*const pBtnHandler)(void) = apBtnHandlerTable[u8Btn];

            if (pBtnHandler != NULL)
            {
                /* HumanPlayer member function
                 * pointer is available. Execute. */
                (this->*pBtnHandler)();
            }
            else
            {
                /* Undefined callback for selected button. */
            }

            /* Get pointer to Camera member function for selected button. */
            void (Camera::*const pCameraBtnHandler)(void) = apBtnCameraHandlerTable[u8Btn];

            if (pCameraBtnHandler != NULL)
            {
                /* Camera member function
                 * pointer is available. Execute. */
                (_cam.*pCameraBtnHandler)();
            }
            else
            {
                /* Undefined callback for selected button. */
            }
        }
        else
        {
            /* Key has not been pressed. Exit. */
        }
    }
}

/*****************************************************************//**
 *
 * \brief   Event handler executed when human player presses
 *          A button.
 *
 *********************************************************************/
void HumanPlayer::onABtnPressed(void)
{
}

/*****************************************************************//**
 *
 * \brief   Event handler executed when human player presses
 *          B button.
 *
 *********************************************************************/
void HumanPlayer::onBBtnPressed(void)
{
}

/*****************************************************************//**
 *
 * \brief   This function draws all units and player UI.
 *
 *********************************************************************/
void HumanPlayer::drawHandler(void)
{
}