#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-only

# TODO: Approximate {sub,super}script using other characters?

from sys import stderr

with open("UnicodeData.txt") as f:
    data = f.read()
data = data.split("\n")

superscripts = {}


def line_to_char(line):
    return chr(int(line.split(";", 1)[0], 16))


for line in data:
    if "SUPERSCRIPT" in line:
        normal_name = line.split("SUPERSCRIPT ", 1)[1].split(";", 1)[0]
        prefix = line.split(";", 1)[1].split("SUPERSCRIPT", 1)[0]
        normal_line = None
        for line2 in data:
            if (
                normal_name in line2
                and prefix in line2
                and line != line2
                and "<control>" not in line2
            ):
                normal_line = line2
                break
        if not normal_line:
            print("not found:", line, file=stderr)
            continue
        char = line_to_char(line)
        normal = line_to_char(normal_line)
        if normal not in superscripts:
            superscripts[normal] = char
    elif "MODIFIER LETTER" in line:
        name = line.split("MODIFIER LETTER ", 1)[1].split(";", 1)[0]
        try_names = [name]
        if "SMALL GREEK" in name:
            try_names.append("GREEK SMALL LETTER" + name.split("SMALL GREEK", 1)[1])
        elif "SMALL CYRILLIC" in name:
            try_names.append(
                "CYRILLIC SMALL LETTER" + name.split("SMALL CYRILLIC", 1)[1]
            )
        elif "CYRILLIC SMALL" in name:
            try_names.append(
                "CYRILLIC SMALL LETTER" + name.split("CYRILLIC SMALL", 1)[1]
            )
        elif "SMALL CAPITAL" in name:
            try_names.append(
                "LATIN LETTER SMALL CAPITAL" + name.split("SMALL CAPITAL", 1)[1]
            )
        elif "SMALL" in name:
            s = name.split("SMALL", 1)[1]
            if "LIGATURE OE" in name:
                try_names.append("LATIN SMALL" + s)
            else:
                try_names.append("LATIN SMALL LETTER" + s)
        elif "CAPITAL" in name:
            s = name.split("CAPITAL", 1)[1]
            if "BARRED B" in name:
                try_names.append("LATIN LETTER SMALL CAPITAL" + s)
            elif "REVERSED N" in name:
                try_names.append("LATIN LETTER SMALL CAPITAL" + s)
            else:
                try_names.append("LATIN CAPITAL LETTER" + s)
        normal_line = None
        for line2 in data:
            if (
                any(map(lambda x: ";" + x + ";" in line2, try_names))
                and line != line2
                and "<control>" not in line2
            ):
                normal_line = line2
                break
        if not normal_line:
            print("not found:", line, file=stderr)
            continue
        char = line_to_char(line)
        normal = line_to_char(normal_line)
        if normal not in superscripts:
            superscripts[normal] = char

superscripts[" "] = " "

import json

print("window.unicodeMaps.toSuperscript =", json.dumps(superscripts), ";")
print(superscripts, file=stderr)