#include "font8x8.h"

#include <clks/types.h>

struct clks_glyph8x8 {
    char ch;
    u8 rows[8];
};

static const struct clks_glyph8x8 clks_font_table[] = {
    {' ', {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}, {'[', {0x1E, 0x10, 0x10, 0x10, 0x10, 0x10, 0x1E, 0x00}},
    {']', {0x78, 0x08, 0x08, 0x08, 0x08, 0x08, 0x78, 0x00}}, {':', {0x00, 0x18, 0x18, 0x00, 0x18, 0x18, 0x00, 0x00}},
    {'.', {0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00}}, {'-', {0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00}},
    {'/', {0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x00, 0x00}}, {'_', {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7E, 0x00}},
    {'?', {0x3C, 0x42, 0x02, 0x0C, 0x10, 0x00, 0x10, 0x00}}, {'0', {0x3C, 0x42, 0x46, 0x4A, 0x52, 0x62, 0x3C, 0x00}},
    {'1', {0x18, 0x28, 0x08, 0x08, 0x08, 0x08, 0x3E, 0x00}}, {'2', {0x3C, 0x42, 0x02, 0x0C, 0x30, 0x40, 0x7E, 0x00}},
    {'3', {0x3C, 0x42, 0x02, 0x1C, 0x02, 0x42, 0x3C, 0x00}}, {'4', {0x0C, 0x14, 0x24, 0x44, 0x7E, 0x04, 0x04, 0x00}},
    {'5', {0x7E, 0x40, 0x7C, 0x02, 0x02, 0x42, 0x3C, 0x00}}, {'6', {0x1C, 0x20, 0x40, 0x7C, 0x42, 0x42, 0x3C, 0x00}},
    {'7', {0x7E, 0x02, 0x04, 0x08, 0x10, 0x20, 0x20, 0x00}}, {'8', {0x3C, 0x42, 0x42, 0x3C, 0x42, 0x42, 0x3C, 0x00}},
    {'9', {0x3C, 0x42, 0x42, 0x3E, 0x02, 0x04, 0x38, 0x00}}, {'A', {0x18, 0x24, 0x42, 0x7E, 0x42, 0x42, 0x42, 0x00}},
    {'B', {0x7C, 0x42, 0x42, 0x7C, 0x42, 0x42, 0x7C, 0x00}}, {'C', {0x3C, 0x42, 0x40, 0x40, 0x40, 0x42, 0x3C, 0x00}},
    {'D', {0x78, 0x44, 0x42, 0x42, 0x42, 0x44, 0x78, 0x00}}, {'E', {0x7E, 0x40, 0x40, 0x7C, 0x40, 0x40, 0x7E, 0x00}},
    {'F', {0x7E, 0x40, 0x40, 0x7C, 0x40, 0x40, 0x40, 0x00}}, {'G', {0x3C, 0x42, 0x40, 0x4E, 0x42, 0x42, 0x3C, 0x00}},
    {'H', {0x42, 0x42, 0x42, 0x7E, 0x42, 0x42, 0x42, 0x00}}, {'I', {0x3E, 0x08, 0x08, 0x08, 0x08, 0x08, 0x3E, 0x00}},
    {'J', {0x1E, 0x04, 0x04, 0x04, 0x44, 0x44, 0x38, 0x00}}, {'K', {0x42, 0x44, 0x48, 0x70, 0x48, 0x44, 0x42, 0x00}},
    {'L', {0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x7E, 0x00}}, {'M', {0x42, 0x66, 0x5A, 0x5A, 0x42, 0x42, 0x42, 0x00}},
    {'N', {0x42, 0x62, 0x52, 0x4A, 0x46, 0x42, 0x42, 0x00}}, {'O', {0x3C, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3C, 0x00}},
    {'P', {0x7C, 0x42, 0x42, 0x7C, 0x40, 0x40, 0x40, 0x00}}, {'Q', {0x3C, 0x42, 0x42, 0x42, 0x4A, 0x44, 0x3A, 0x00}},
    {'R', {0x7C, 0x42, 0x42, 0x7C, 0x48, 0x44, 0x42, 0x00}}, {'S', {0x3C, 0x42, 0x40, 0x3C, 0x02, 0x42, 0x3C, 0x00}},
    {'T', {0x7F, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00}}, {'U', {0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x3C, 0x00}},
    {'V', {0x42, 0x42, 0x42, 0x42, 0x42, 0x24, 0x18, 0x00}}, {'W', {0x42, 0x42, 0x42, 0x5A, 0x5A, 0x66, 0x42, 0x00}},
    {'X', {0x42, 0x42, 0x24, 0x18, 0x24, 0x42, 0x42, 0x00}}, {'Y', {0x42, 0x42, 0x24, 0x18, 0x08, 0x08, 0x08, 0x00}},
    {'Z', {0x7E, 0x02, 0x04, 0x18, 0x20, 0x40, 0x7E, 0x00}},
};

static const u8 clks_unknown[8] = {0x3C, 0x42, 0x02, 0x0C, 0x10, 0x00, 0x10, 0x00};

const u8 *clks_font8x8_get(char ch) {
    usize i;
    char upper = ch;

    if (upper >= 'a' && upper <= 'z') {
        upper = (char)(upper - ('a' - 'A'));
    }

    for (i = 0; i < (sizeof(clks_font_table) / sizeof(clks_font_table[0])); i++) {
        if (clks_font_table[i].ch == upper) {
            return clks_font_table[i].rows;
        }
    }

    return clks_unknown;
}