from fastapi import FastAPI, Request, Header, Depends, Response, HTTPException
from fastapi.responses import FileResponse
import os
import json
from pathlib import Path

config_path: Path = Path("./config.json")
config: dict = {}
with open(config_path, "r") as f:
    config = json.load(f)

CONTENT_PATH: Path = Path(config["content"]).resolve()
MODS_PATH: Path = CONTENT_PATH / "mods"
RESOURCEPACKS_PATH: Path = CONTENT_PATH / "resourcepacks"

if not CONTENT_PATH.exists():
    CONTENT_PATH.mkdir(parents=True)
    MODS_PATH.mkdir()
    RESOURCEPACKS_PATH.mkdir()

# Токен для доступа к сервису
TOKEN: str = None
TOKENFILE = Path(__file__).parent / "token.txt"
if not TOKENFILE.exists():
    TOKEN = os.urandom(48).hex()
    
    with open(TOKENFILE, "w") as f:
        f.write(TOKEN)
else:
    with open(TOKENFILE, "r") as f:
        TOKEN = f.read()

# Функция для проверки токена
def check_token(authorization: str = Header(...)):
    if authorization != TOKEN:
        raise HTTPException(status_code=401, detail="Неверный токен")

app = FastAPI()

@app.get("/mods/files")
async def get_files():
    # Получаем список всех файлов в указанной директории
    files = os.listdir(str(MODS_PATH))
    return {"files": files}


@app.get("/mods/download/{filename}")
async def download_file(filename: str):
    file_path: Path = MODS_PATH / filename
    
    if not file_path.exists():
        return {"error": f"Файл {filename} не найден"}
    
    return FileResponse(path=file_path, filename=str(filename), media_type="application/octet-stream")