/**
 * Copyright (c) 2024 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#pragma once
#include "dawn.h"

#define MENU_HELD_TIME_INITIAL 0.5f
#define MENU_HELD_TIME_REPEAT 0.2f
#define MENU_ITEM_COUNT_MAX 256

typedef enum {
  MENU_DIRECTION_UP = 0,
  MENU_DIRECTION_DOWN = 1,
  MENU_DIRECTION_LEFT = 2,
  MENU_DIRECTION_RIGHT = 3
} menudirection_t;

typedef struct _menu_t menu_t;

typedef struct _menu_t {
  uint16_t x, y;
  uint16_t rows, columns;
  float_t repeatHeld;
  const char_t* strings[MENU_ITEM_COUNT_MAX]; 

  // Visual things
  uint16_t renderOffsetX, renderOffsetY;

  // Callbacks
  void (*selectCallback)(
    const menu_t *menu,
    const uint16_t x,
    const uint16_t y,
    const char_t *str
  );
} menu_t;

/**
 * Initializes the menu.
 * 
 * @param menu Menu to initialize.
 * @param rows Number of rows in the menu.
 * @param columns Number of columns in the menu.
 */
void menuInit(menu_t *menu, const uint16_t rows, const uint16_t columns);

/**
 * Updates the menu. Only needs to be called if the menu is active.
 * 
 * @param menu Menu to update.
 */
void menuUpdate(menu_t *menu);

/**
 * Updates the menu's cursor position.
 * 
 * @param menu Menu to update.
 * @param direction Direction to update the menu.
 */
void menuPositionMove(menu_t *menu, const menudirection_t direction);

/**
 * Sets the position of the cursor in the menu.
 * 
 * @param menu Menu to set the cursor position.
 * @param x X position.
 * @param y Y position.
 */
void menuPositionSet(menu_t *menu, const uint16_t x, const uint16_t y);