/**
 * Copyright (c) 2022 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#pragma once
#include "libs.h"
#include "util.h"
#include "common_tiles.h"
#include "memory.h"

#define BORDER_TILE_TOP_LEFT BORDER_DATA_POSITION
#define BORDER_TILE_TOP_CENTER BORDER_TILE_TOP_LEFT + 1
#define BORDER_TILE_TOP_RIGHT BORDER_TILE_TOP_CENTER + 1
#define BORDER_TILE_CENTER_LEFT BORDER_TILE_TOP_RIGHT + 1
#define BORDER_TILE_CENTER BORDER_TILE_CENTER_LEFT + 1
#define BORDER_TILE_CENTER_RIGHT BORDER_TILE_CENTER + 1
#define BORDER_TILE_BOTTOM_LEFT BORDER_TILE_CENTER_RIGHT + 1
#define BORDER_TILE_BOTTOM_CENTER BORDER_TILE_BOTTOM_LEFT + 1
#define BORDER_TILE_BOTTOM_RIGHT BORDER_TILE_BOTTOM_CENTER + 1

#define TEXTBOX_STATE_VISIBLE 1 << 0
#define TEXTBOX_STATE_SCROLLED 1 << 1

#define TEXTBOX_WIDTH_IN_TILES 20
#define TEXTBOX_HEIGHT_IN_TILES 5
#define TEXTBOX_TILES_MAX (TEXTBOX_WIDTH_IN_TILES * TEXTBOX_HEIGHT_IN_TILES)

#define TEXTBOX_CHARS_PER_ROW (TEXTBOX_WIDTH_IN_TILES - 2)
#define TEXTBOX_CHAR_ROWS (TEXTBOX_HEIGHT_IN_TILES - 2)

#define TEXTBOX_TILES_PER_ROW TEXTBOX_WIDTH_IN_TILES
#define TEXTBOX_TILES_ROWS 3
#define TEXTBOX_TILE_BLANK COMMON_TILE_3

extern char *TEXTBOX_TEXT;
extern uint8_t TEXTBOX_TEXT_LENGTH;
extern uint8_t TEXTBOX_STATE;
extern uint8_t TEXTBOX_SCROLL;
extern uint8_t TEXTBOX_TILES[];

void textboxInit();
void textboxSetText(char *text, uint8_t length);
void textboxUpdate();