#pragma once
#include <stdint.h>
#include <stdlib.h>
#include "bmfont.h"
#include "st7735.h"

#define uiu_ALIGN_HLEFT                0b00000001
#define uiu_ALIGN_HCENTER              0b00000010
#define uiu_ALIGN_HRIGHT               0b00000100
#define uiu_ALIGN_VTOP                 0b00010000
#define uiu_ALIGN_VCENTER              0b00100000
#define uiu_ALIGN_VBOTTOM              0b01000000

#define UI_X 0
#define UI_Y 16
#define UI_W (ST7735_WIDTH)
#define UI_H (ST7735_HEIGHT - 16)

typedef struct
{
    const uint8_t *text;
    const uint32_t len;
} StrItem;

typedef struct
{
    uint16_t index;
    uint8_t confirmed;
} IndexResult;


extern const StrItem NULL_STR_ITEM;

/** get string item in the list.
 * @param index item index
 * @return STR_ITEM, if STR_ITEM.len == 0 means item not exist.
 */
typedef StrItem (*uiu_GetStrItemFunc)(uint16_t index);

void uiu_text_area(bmf_BitmapFont *font, const uint8_t *text, uint32_t len, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint8_t align, uint16_t color, uint16_t bg_color);
void uiu_title(const uint8_t *text, uint32_t len);