#!/usr/bin/env python3

import sys
import os
from pathlib import Path
from configparser import ConfigParser
import json
from typing import Any, Generator, Optional, Union
import urllib.parse
import urllib.request


sys.path.insert(1, os.path.join(os.path.dirname(__file__), "..", "script-resources"))
import common_script_utils


DEFAULT_REGISTRY_DUMP_URL = "https://stronghold.crosscode.ru/~ccbot/emote-registry.json"

if os.name == "posix":
  config_path: Path = (common_script_utils.DOTFILES_CONFIG_DIR / "copy-crosscode-emoji-url.ini")
  default_registry_dump_file: Path = (common_script_utils.DOTFILES_CACHE_DIR / "dotfiles")
else:
  common_script_utils.platform_not_supported_error()
config = ConfigParser(interpolation=None)
config.read(config_path)

emotes: list[dict[str, Any]] = []


def emote_downloader_and_iterator() -> Generator[str, None, None]:
  global emotes

  registry_dump_file: Optional[Union[
    str, Path]] = config.get("default", "ccbot_emote_registry_dump_file", fallback=None)
  if registry_dump_file is not None:
    registry_dump_file = os.path.expanduser(registry_dump_file)
  else:
    registry_dump_file = default_registry_dump_file

  registry_dump_url = config.get(
    "default", "ccbot_emote_registry_dump_url", fallback=DEFAULT_REGISTRY_DUMP_URL
  )

  emote_registry_data: dict[str, Any]
  try:
    with open(registry_dump_file, "r") as f:
      emote_registry_data = json.load(f)
  except FileNotFoundError:
    with urllib.request.urlopen(registry_dump_url, timeout=10) as response:
      emote_registry_data = json.load(response)

  assert emote_registry_data["version"] == 1

  allow_nsfw = config.getboolean("default", "allow_nsfw", fallback=False)
  emotes = [emote for emote in emote_registry_data["list"] if emote["safe"] or allow_nsfw]

  for emote in emotes:
    yield "{emote[ref]} [{emote[guild_name]}]".format(emote=emote)


chosen_index = common_script_utils.run_chooser(
  emote_downloader_and_iterator(), prompt="emote", async_read=True
)
if chosen_index >= 0:
  chosen_emote = emotes[chosen_index]

  emote_url: urllib.parse.ParseResult = urllib.parse.urlparse(chosen_emote["url"])
  emote_url_query: dict[str, list[str]] = urllib.parse.parse_qs(emote_url.query)

  if config.getboolean("default", "add_emote_name_to_url", fallback=False):
    emote_url_query["name"] = [chosen_emote["name"]]

  default_emote_image_size = config.getint("default", "default_emote_image_size", fallback=None)
  if default_emote_image_size is not None:
    emote_url_query["size"] = [str(default_emote_image_size)]

  emote_url_query_str = urllib.parse.urlencode(emote_url_query, doseq=True)
  emote_url_str = urllib.parse.urlunparse(emote_url._replace(query=emote_url_query_str))

  common_script_utils.set_clipboard(emote_url_str)

  common_script_utils.send_notification(
    os.path.basename(__file__),
    "copied URL of {} to clipboard!".format(chosen_emote["ref"]),
  )