#!/usr/bin/env python3
import json
import os
import sys

import orjson

from custom_emoji_names import CUSTOM_EMOJI_NAME_MAPS
from emoji_setup_utils import get_emoji_code

ZULIP_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../../")
sys.path.append(ZULIP_PATH)
EMOJI_DATA_FILE = os.path.join(ZULIP_PATH, "node_modules", "emoji-datasource-google", "emoji.json")
OUT_EMOJI_FILE = os.path.join(ZULIP_PATH, "tools", "setup", "emoji", "emoji_names.py")

with open(EMOJI_DATA_FILE, "rb") as fp:
    EMOJI_DATA = orjson.loads(fp.read())

# We don't include most clock emojis. See `custom_emoji_names` for more context.
SKIPPED_CLOCK_EMOJI_CODES = [
    "1f550",
    "1f551",
    "1f552",
    "1f553",
    "1f554",
    "1f555",
    "1f556",
    "1f558",
    "1f559",
    "1f55a",
    "1f55b",
    "1f55c",
    "1f55d",
    "1f55e",
    "1f55f",
    "1f560",
    "1f561",
    "1f562",
    "1f563",
    "1f564",
    "1f565",
    "1f566",
    "1f567",
]

# We don't include the skin tones as emojis that one can search for on their own.
SKIN_TONE_EMOJI_CODES = [
    "1f3fb",
    "1f3fc",
    "1f3fd",
    "1f3fe",
    "1f3ff",
]


def main() -> None:
    all_emojis = {}
    all_canonical_names = set()

    for emoji_dict in EMOJI_DATA:
        emoji_code = get_emoji_code(emoji_dict)
        if emoji_code in SKIPPED_CLOCK_EMOJI_CODES or emoji_code in SKIN_TONE_EMOJI_CODES:
            continue

        if emoji_code in CUSTOM_EMOJI_NAME_MAPS:
            canonical_name = CUSTOM_EMOJI_NAME_MAPS[emoji_code]["canonical_name"]
            if canonical_name in all_canonical_names:
                raise Exception(
                    f"{canonical_name} was already added with a different codepoint. "
                    f"Rename it in `custom_emoji_names` or add an entry for {emoji_code}."
                )
            all_canonical_names.add(canonical_name)
            all_emojis[emoji_code] = CUSTOM_EMOJI_NAME_MAPS[emoji_code]
        else:
            continue  # this commit doesn't add CLDR data yet.
            # create the unicode character(s) for the emoji, since this is the key into the CLDR data

    with open(OUT_EMOJI_FILE, "w") as f:
        f.write(
            "from typing import Any, Dict\n\n"
            "# Generated with `generate_emoji_names`.\n\n"
            "EMOJI_NAME_MAPS: Dict[str, Dict[str, Any]] = {\n"
        )
        for (key, emoji_names) in all_emojis.items():
            f.write(f'    "{key}": {json.dumps(emoji_names)},\n')
        f.write("}\n")

    print(
        "\n\nDone! You should run the linter to format emoji_names.py with `./tools/lint --fix -m --only black`"
    )


if __name__ == "__main__":
    main()