/**
 * Loading
 */

#include <stdint.h>
#include <stdbool.h>
#include "ssd1306.h"
#include "user_interface.h"


void show_loading_screen(uint8_t progress_percent, bool clear)
{
    if (clear) {
        ssd1306_clearScreen();
    }

    // bar in a box

#define hei 20
#define wid DISPLAY_W
#define thic 2
#define inpad 3

#define ofsx ((DISPLAY_W - wid)/2)
#define ofsy ((DISPLAY_H - hei)/2)

    const uint8_t rects[4][4] = {
            // top
            {
                    0, 0,
                    wid - 1, thic - 1
            },
            // left
            {
                    0, thic,
                    thic - 1, hei - thic - 1
            },
            // right
            {
                    wid - thic, thic,
                    wid - 1, hei - thic - 1
            },
            // bot
            {
                    0, hei - thic,
                    wid - 1, hei - 1
            },
    };

    for (int i = 0; i < 4; i++) {
        ssd1306_fillRect(
                ofsx + rects[i][0],
                ofsy + rects[i][1],
                ofsx + rects[i][2],
                ofsy + rects[i][3]
        );
    }
//
    ssd1306_fillRect(
            ofsx + thic + inpad,
            ofsy + thic + inpad,
            ofsx + (uint8_t)(((uint16_t)wid * (uint16_t)progress_percent)/(uint16_t)100) - thic - inpad - 1,
            ofsy + hei - thic - inpad - 1
    );
}