#include "font.h"
#include "utf8.h"
#include <stdint.h>

#define FONT_EXTRAS_START (0x7e - 0x20 + 1)

const struct FontSymbol font[] = {
    // ASCII from 0x20 to 0x7e are ordered at the beginning for quick access by index
    {.symbol=" ", .graphic = {0x00, 0x00, 0x00, 0x00, 0x00}}, // 0x20
    {.symbol="!", .graphic = {0x00, 0x00, 0x5f, 0x00, 0x00}}, // 0x21
    {.symbol="\"", .graphic = {0x00, 0x07, 0x00, 0x07, 0x00}}, // 0x22
    {.symbol="#", .graphic = {0x14, 0x7f, 0x14, 0x7f, 0x14}}, // 0x23
    {.symbol="$", .graphic = {0x24, 0x2a, 0x7f, 0x2a, 0x12}}, // 0x24
    {.symbol="%", .graphic = {0x23, 0x13, 0x08, 0x64, 0x62}}, // 0x25
    {.symbol="&", .graphic = {0x36, 0x49, 0x55, 0x22, 0x50}}, // 0x26
    {.symbol="'", .graphic = {0x00, 0x05, 0x03, 0x00, 0x00}}, // 0x27
    {.symbol="(", .graphic = {0x00, 0x1c, 0x22, 0x41, 0x00}}, // 0x28
    {.symbol=")", .graphic = {0x00, 0x41, 0x22, 0x1c, 0x00}}, // 0x29
    {.symbol="*", .graphic = {0x14, 0x08, 0x3e, 0x08, 0x14}}, // 0x2a
    {.symbol="+", .graphic = {0x08, 0x08, 0x3e, 0x08, 0x08}}, // 0x2b
    {.symbol=",", .graphic = {0x00, 0x50, 0x30, 0x00, 0x00}}, // 0x2c
    {.symbol="-", .graphic = {0x08, 0x08, 0x08, 0x08, 0x08}}, // 0x2d
    {.symbol=".", .graphic = {0x00, 0x60, 0x60, 0x00, 0x00}}, // 0x2e
    {.symbol="/", .graphic = {0x20, 0x10, 0x08, 0x04, 0x02}}, // 0x2f
    {.symbol="0", .graphic = {0x3e, 0x51, 0x49, 0x45, 0x3e}}, // 0x30
    {.symbol="1", .graphic = {0x00, 0x42, 0x7f, 0x40, 0x00}}, // 0x31
    {.symbol="2", .graphic = {0x42, 0x61, 0x51, 0x49, 0x46}}, // 0x32
    {.symbol="3", .graphic = {0x21, 0x41, 0x45, 0x4b, 0x31}}, // 0x33
    {.symbol="4", .graphic = {0x18, 0x14, 0x12, 0x7f, 0x10}}, // 0x34
    {.symbol="5", .graphic = {0x27, 0x45, 0x45, 0x45, 0x39}}, // 0x35
    {.symbol="6", .graphic = {0x3c, 0x4a, 0x49, 0x49, 0x30}}, // 0x36
    {.symbol="7", .graphic = {0x01, 0x71, 0x09, 0x05, 0x03}}, // 0x37
    {.symbol="8", .graphic = {0x36, 0x49, 0x49, 0x49, 0x36}}, // 0x38
    {.symbol="9", .graphic = {0x06, 0x49, 0x49, 0x29, 0x1e}}, // 0x39
    {.symbol=":", .graphic = {0x00, 0x36, 0x36, 0x00, 0x00}}, // 0x3a
    {.symbol=";", .graphic = {0x00, 0x56, 0x36, 0x00, 0x00}}, // 0x3b
    {.symbol="<", .graphic = {0x08, 0x14, 0x22, 0x41, 0x00}}, // 0x3c
    {.symbol="=", .graphic = {0x14, 0x14, 0x14, 0x14, 0x14}}, // 0x3d
    {.symbol=">", .graphic = {0x00, 0x41, 0x22, 0x14, 0x08}}, // 0x3e
    {.symbol="?", .graphic = {0x02, 0x01, 0x51, 0x09, 0x06}}, // 0x3f
    {.symbol="@", .graphic = {0x32, 0x49, 0x79, 0x41, 0x3e}}, // 0x40
    {.symbol="A", .graphic = {0x7e, 0x11, 0x11, 0x11, 0x7e}}, // 0x41
    {.symbol="B", .graphic = {0x7f, 0x49, 0x49, 0x49, 0x36}}, // 0x42
    {.symbol="C", .graphic = {0x3e, 0x41, 0x41, 0x41, 0x22}}, // 0x43
    {.symbol="D", .graphic = {0x7f, 0x41, 0x41, 0x22, 0x1c}}, // 0x44
    {.symbol="E", .graphic = {0x7f, 0x49, 0x49, 0x49, 0x41}}, // 0x45
    {.symbol="F", .graphic = {0x7f, 0x09, 0x09, 0x09, 0x01}}, // 0x46
    {.symbol="G", .graphic = {0x3e, 0x41, 0x49, 0x49, 0x7a}}, // 0x47
    {.symbol="H", .graphic = {0x7f, 0x08, 0x08, 0x08, 0x7f}}, // 0x48
    {.symbol="I", .graphic = {0x00, 0x41, 0x7f, 0x41, 0x00}}, // 0x49
    {.symbol="J", .graphic = {0x20, 0x40, 0x41, 0x3f, 0x01}}, // 0x4a
    {.symbol="K", .graphic = {0x7f, 0x08, 0x14, 0x22, 0x41}}, // 0x4b
    {.symbol="L", .graphic = {0x7f, 0x40, 0x40, 0x40, 0x40}}, // 0x4c
    {.symbol="M", .graphic = {0x7f, 0x02, 0x0c, 0x02, 0x7f}}, // 0x4d
    {.symbol="N", .graphic = {0x7f, 0x04, 0x08, 0x10, 0x7f}}, // 0x4e
    {.symbol="O", .graphic = {0x3e, 0x41, 0x41, 0x41, 0x3e}}, // 0x4f
    {.symbol="P", .graphic = {0x7f, 0x09, 0x09, 0x09, 0x06}}, // 0x50
    {.symbol="Q", .graphic = {0x3e, 0x41, 0x51, 0x21, 0x5e}}, // 0x51
    {.symbol="R", .graphic = {0x7f, 0x09, 0x19, 0x29, 0x46}}, // 0x52
    {.symbol="S", .graphic = {0x46, 0x49, 0x49, 0x49, 0x31}}, // 0x53
    {.symbol="T", .graphic = {0x01, 0x01, 0x7f, 0x01, 0x01}}, // 0x54
    {.symbol="U", .graphic = {0x3f, 0x40, 0x40, 0x40, 0x3f}}, // 0x55
    {.symbol="V", .graphic = {0x1f, 0x20, 0x40, 0x20, 0x1f}}, // 0x56
    {.symbol="W", .graphic = {0x3f, 0x40, 0x38, 0x40, 0x3f}}, // 0x57
    {.symbol="X", .graphic = {0x63, 0x14, 0x08, 0x14, 0x63}}, // 0x58
    {.symbol="Y", .graphic = {0x07, 0x08, 0x70, 0x08, 0x07}}, // 0x59
    {.symbol="Z", .graphic = {0x61, 0x51, 0x49, 0x45, 0x43}}, // 0x5a
    {.symbol="[", .graphic = {0x00, 0x7f, 0x41, 0x41, 0x00}}, // 0x5b
    {.symbol="\\", .graphic = {0x02, 0x04, 0x08, 0x10, 0x20}}, // 0x5c
    {.symbol="]", .graphic = {0x00, 0x41, 0x41, 0x7f, 0x00}}, // 0x5d
    {.symbol="^", .graphic = {0x04, 0x02, 0x01, 0x02, 0x04}}, // 0x5e
    {.symbol="_", .graphic = {0x40, 0x40, 0x40, 0x40, 0x40}}, // 0x5f
    {.symbol="`", .graphic = {0x00, 0x01, 0x02, 0x04, 0x00}}, // 0x60
    {.symbol="a", .graphic = {0x20, 0x54, 0x54, 0x54, 0x78}}, // 0x61
    {.symbol="b", .graphic = {0x7f, 0x48, 0x44, 0x44, 0x38}}, // 0x62
    {.symbol="c", .graphic = {0x38, 0x44, 0x44, 0x44, 0x20}}, // 0x63
    {.symbol="d", .graphic = {0x38, 0x44, 0x44, 0x48, 0x7f}}, // 0x64
    {.symbol="e", .graphic = {0x38, 0x54, 0x54, 0x54, 0x18}}, // 0x65
    {.symbol="f", .graphic = {0x08, 0x7e, 0x09, 0x01, 0x02}}, // 0x66
    {.symbol="g", .graphic = {0x0c, 0x52, 0x52, 0x52, 0x3e}}, // 0x67
    {.symbol="h", .graphic = {0x7f, 0x08, 0x04, 0x04, 0x78}}, // 0x68
    {.symbol="i", .graphic = {0x00, 0x44, 0x7d, 0x40, 0x00}}, // 0x69
    {.symbol="j", .graphic = {0x20, 0x40, 0x44, 0x3d, 0x00}}, // 0x6a
    {.symbol="k", .graphic = {0x7f, 0x10, 0x28, 0x44, 0x00}}, // 0x6b
    {.symbol="l", .graphic = {0x00, 0x41, 0x7f, 0x40, 0x00}}, // 0x6c
    {.symbol="m", .graphic = {0x7c, 0x04, 0x18, 0x04, 0x78}}, // 0x6d
    {.symbol="n", .graphic = {0x7c, 0x08, 0x04, 0x04, 0x78}}, // 0x6e
    {.symbol="o", .graphic = {0x38, 0x44, 0x44, 0x44, 0x38}}, // 0x6f
    {.symbol="p", .graphic = {0x7c, 0x14, 0x14, 0x14, 0x08}}, // 0x70
    {.symbol="q", .graphic = {0x08, 0x14, 0x14, 0x18, 0x7c}}, // 0x71
    {.symbol="r", .graphic = {0x7c, 0x08, 0x04, 0x04, 0x08}}, // 0x72
    {.symbol="s", .graphic = {0x48, 0x54, 0x54, 0x54, 0x20}}, // 0x73
    {.symbol="t", .graphic = {0x04, 0x3f, 0x44, 0x40, 0x20}}, // 0x74
    {.symbol="u", .graphic = {0x3c, 0x40, 0x40, 0x20, 0x7c}}, // 0x75
    {.symbol="v", .graphic = {0x1c, 0x20, 0x40, 0x20, 0x1c}}, // 0x76
    {.symbol="w", .graphic = {0x3c, 0x40, 0x30, 0x40, 0x3c}}, // 0x77
    {.symbol="x", .graphic = {0x44, 0x28, 0x10, 0x28, 0x44}}, // 0x78
    {.symbol="y", .graphic = {0x0c, 0x50, 0x50, 0x50, 0x3c}}, // 0x79
    {.symbol="z", .graphic = {0x44, 0x64, 0x54, 0x4c, 0x44}}, // 0x7a
    {.symbol="{", .graphic = {0x00, 0x08, 0x36, 0x41, 0x00}}, // 0x7b
    {.symbol="|", .graphic = {0x00, 0x00, 0x7f, 0x00, 0x00}}, // 0x7c
    {.symbol="}", .graphic = {0x00, 0x41, 0x36, 0x08, 0x00}}, // 0x7d
    {.symbol="~", .graphic = {0x10, 0x08, 0x08, 0x10, 0x08}}, // 0x7e

    // start of UTF8 glyphs. These can include custom graphics mapped to codepoints
    {.symbol="�", .graphic = {0xFF, 0x81, 0x81, 0x81, 0xFF}}, // box

    {.symbol="×", .graphic = { 0x22, 0x14, 0x08, 0x14, 0x22 }}, // cross
    {.symbol="↑", .graphic = { 0x08, 0x04, 0x3e, 0x04, 0x08 }}, // arrow_up
    {.symbol="↓", .graphic = { 0x08, 0x10, 0x3e, 0x10, 0x08 }}, // arrow_down
    {.symbol="←", .graphic = { 0x08, 0x1c, 0x2a, 0x08, 0x08 }}, // arrow_left
    {.symbol="→", .graphic = { 0x08, 0x08, 0x2a, 0x1c, 0x08 }}, // arrow_right
    {.symbol="⏰", .graphic = { 0x1c, 0x22, 0x2e, 0x2a, 0x1c }}, // clock
    {.symbol="⌛", .graphic = { 0x63, 0x55, 0x4d, 0x55, 0x63 }}, // hourglass
    {.symbol="☸", .graphic = { 0x1c, 0x22, 0x2a, 0x22, 0x1c }}, // wheel
    {.symbol="⏎", .graphic = { 0x10, 0x38, 0x54, 0x10, 0x1e }}, // return
    {.symbol="🌡", .graphic = { 0x60, 0x9e, 0x81, 0x9e, 0x6a }}, // thermometer
    {.symbol="°", .graphic = { 0x00, 0x07, 0x05, 0x07, 0x00 }}, // degree
    {.symbol="🔙", .graphic = { 0x04, 0x4e, 0x55, 0x44, 0x38 }}, // back
    {.symbol="▶", .graphic = { 0x7f, 0x3e, 0x1c, 0x08, 0x00 }}, // tri_right
    {.symbol="◀", .graphic = { 0x00, 0x08, 0x1c, 0x3e, 0x7f }}, // tri_left

    // End of the list
    {},
};

const struct FontSymbol *Font_GetSymbol(struct Utf8Char ch) {
    if (ch.bytes[0] < ' ') {
        return &font[FONT_EXTRAS_START]; // replacement character
    }

    if (ch.bytes[0] < 127) {
        return &font[ch.bytes[0] - 0x20];
    }

    const struct FontSymbol *sym = &font[FONT_EXTRAS_START];
    while (sym->symbol[0]) {
        if (sym->uint == ch.uint) {
            return sym;
        }
        sym++;
    }

    return &font[FONT_EXTRAS_START]; // replacement character
}