import os
import json
import platform
import sys
import numpy as np
import builtins
import torch
import shutil
import hashlib
import atexit
import server
import gc
import execution
import folder_paths
from functools import lru_cache
from aiohttp import web
from pathlib import Path
from PIL import Image
from PIL.PngImagePlugin import PngInfo

VERSION = "0.0.1"
ADDON_NAME = "AIGODLIKE-COMFYUI-TRANSLATION"
COMFY_PATH = Path(folder_paths.__file__).parent
CUR_PATH = Path(__file__).parent


def try_get_json(path: Path):
    for coding in ["utf-8", "gbk"]:
        try:
            return json.loads(path.read_text(encoding=coding))
        except Exception:
            continue
    return {}


def get_nodes_translation(locale):
    path = CUR_PATH.joinpath(locale, "Nodes")
    if not path.exists():
        path = CUR_PATH.joinpath("en_US")
    if not path.exists():
        return {}
    translations = {}
    for jpath in path.glob("*.json"):
        translations.update(try_get_json(jpath))
    return translations


def get_category_translation(locale):
    cats = {}
    for cat_json in CUR_PATH.joinpath(locale, "Categories").glob("*.json"):
        cats.update(try_get_json(cat_json))
    path = CUR_PATH.joinpath(locale, "NodeCategory.json")
    if not path.exists():
        path = CUR_PATH.joinpath("en_US", "NodeCategory.json")
    if path.exists():
        cats.update(try_get_json(path))
    return cats


def get_menu_translation(locale):
    menus = {}
    for menu_json in CUR_PATH.joinpath(locale, "Menus").glob("*.json"):
        menus.update(try_get_json(menu_json))
    path = CUR_PATH.joinpath(locale, "Menu.json")
    if not path.exists():
        path = CUR_PATH.joinpath("en_US", "Menu.json")
    if path.exists():
        menus.update(try_get_json(path))
    return menus


@lru_cache
def compile_translation(locale):
    # translations_path = CUR_PATH.joinpath(f"translations_{locale}.json")
    # if translations_path.exists():
    #     return try_get_json(translations_path)
    # Nodes
    nodes_translation = get_nodes_translation(locale)
    # NodeCategory
    node_category_translation = get_category_translation(locale)
    # Menus
    menu_translation = get_menu_translation(locale)
    # compile
    json_data = json.dumps(obj={"Nodes": nodes_translation,
                                "NodeCategory": node_category_translation,
                                "Menu": menu_translation
                                },
                           ensure_ascii=False)
    # translations_path.write_text(json_data, encoding="utf-8")
    return json_data


@lru_cache
def compress_json(data, method="gzip"):
    if method == "gzip":
        import gzip
        return gzip.compress(data.encode("utf-8"))
    else:
        return data


@server.PromptServer.instance.routes.post("/agl/get_translation")
async def get_translation(request: web.Request):
    post = await request.post()
    locale = post.get("locale", "en_US")
    accept_encoding = request.headers.get("Accept-Encoding", "")
    json_data = "{}"
    headers = {}
    try:
        json_data = compile_translation(locale)
        if "gzip" in accept_encoding:
            json_data = compress_json(json_data, method="gzip")
            headers["Content-Encoding"] = "gzip"
            # 指定 charset 为 utf-8
            # headers["Content-Type"] = "application/json; charset=utf-8"
    except Exception as e:
        sys.stderr.write(f"[agl/get_translation error]: {e}\n")
        sys.stderr.flush()
    return web.Response(status=200, body=json_data, headers=headers)


def rmtree(path: Path):
    # unlink symbolic link
    if not path.exists():
        return
    if Path(path.resolve()).as_posix() != path.as_posix():
        path.unlink()
        return
    if path.is_file():
        path.unlink()
    elif path.is_dir():
        # 移除 .git
        if path.name == ".git":
            if platform.system() == "darwin":
                from subprocess import call
                call(['rm', '-rf', path.as_posix()])
            elif platform.system() == "Windows":
                os.system(f'rd/s/q "{path.as_posix()}"')
            return
        for child in path.iterdir():
            rmtree(child)
        try:
            path.rmdir()  # nas 的共享盘可能会有残留
        except BaseException:
            ...


def register():
    import nodes
    aigodlike_ext_path = COMFY_PATH.joinpath("web", "extensions", ADDON_NAME)
    if hasattr(nodes, "EXTENSION_WEB_DIRS"):
        rmtree(aigodlike_ext_path)
        return
    # 新版已经不需要复制文件了
    try:
        if os.name == "nt":
            try:
                import _winapi
                _winapi.CreateJunction(CUR_PATH.as_posix(), aigodlike_ext_path.as_posix())
            except WindowsError as e:
                shutil.copytree(CUR_PATH.as_posix(), aigodlike_ext_path.as_posix(), ignore=shutil.ignore_patterns(".git"))
        else:
            # 复制时过滤 .git
            shutil.copytree(CUR_PATH.as_posix(), aigodlike_ext_path.as_posix(), ignore=shutil.ignore_patterns(".git"))
    except Exception as e:
        sys.stderr.write(f"[agl/register error]: {e}\n")
        sys.stderr.flush()


def unregister():
    # 移除缓存json
    # for data in CUR_PATH.glob("*.json"):
    #     if not data.name.startswith("translations_"):
    #         continue
    #     data.unlink()

    aigodlike_ext_path = COMFY_PATH.joinpath("web", "extensions", ADDON_NAME)
    try:
        rmtree(aigodlike_ext_path)
    except BaseException:
        ...


register()
atexit.register(unregister)
NODE_CLASS_MAPPINGS = {}
WEB_DIRECTORY = "./"