from pathlib import Path

import tomli
import pydantic
import os

DEBUG = True
MAIN_VERSION = "0.1.1"


class Config(pydantic.BaseModel):
    domain: str
    username: str
    # admin_password: bytes # TODO admin password
    name: str
    summary: str
    https: bool
    icon_url: str
    image_url: str | None = None
    secret: str
    debug: bool = False
    trusted_hosts: list[str] = ["127.0.0.1"]
    manually_approves_followers: bool = False
    also_known_as: str | None = None

    hides_followers: bool = False
    hides_following: bool = False

    inbox_retention_days: int = 15
    post_token: str | None = None

    sqlalchemy_database: str | None = None


ROOT_DIR = Path().parent.resolve()
_CONFIG_FILE = os.getenv("FOXHOLE_CONFIG_FILE", "config.toml")

def load_config() -> Config:
    try:
        return Config.parse_obj(
            tomli.loads((ROOT_DIR / "data" / _CONFIG_FILE).read_text())
        )
    except FileNotFoundError:
        raise ValueError(
            f"{_CONFIG_FILE} is missing"
        )

def get_version_commit() -> str:
    import subprocess
    try:
        return (
            '+' +
            subprocess.check_output(["git", "rev-parse", "--short=8", "HEAD"])
            .split()[0]
            .decode()
        )
    except Exception:
        return "+dev"

CONFIG = load_config()
DOMAIN = CONFIG.domain

DB_PATH = CONFIG.sqlalchemy_database or ROOT_DIR / "data" / "database.db"
SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_PATH}"

_SCHEME = "https" if CONFIG.https else "http"
ID = f"{_SCHEME}://{DOMAIN}"
BASE_URL = ID
USERNAME = CONFIG.username
KEY_PATH = (ROOT_DIR / os.getenv("FOXHOLE_KEY_PATH", "data/key.pem"))

VERSION = "Foxhole-"+ MAIN_VERSION + get_version_commit()
USER_AGENT = "Fediverse Application/" + VERSION
AP_CONTENT_TYPE = "application/activity+json"

MANUALLY_APPROVES_FOLLOWERS = CONFIG.manually_approves_followers
POST_TOKEN = CONFIG.post_token