DEPLOY_SCRIPT = "/tools/deploy-app.sh"

# Holé názvy shell skriptů, které smí Portál zařadit jako Worker run_script job.
# Worker přijímá v poli script_name jen HOLÝ název bez cesty (adresář scripts/ si doplní sám)
# a cokoli s cestou ("scripts/...", "../...", absolutní cesta) odmítne hláškou
# "Invalid script name". Stejné pravidlo má i portál sám v
# app/routes/scheduled_scripts.validate_script_name. Tuto množinu validujeme i tady, ať
# nezaložíme job, který Worker stejně zahodí (přesně na tom padal job 221).
ALLOWED_WORKER_SCRIPTS = {
    "deploy-app.sh",
    "delete-app.sh",
    "deploy-core-service.sh",
    "generate-caddyfile.sh",
    "redeploy-enabled-apps.sh",
    "backup-appfactory.sh",
}

# Mazání aplikace NEPROVÁDÍ portál přímo – běží bez práv k workspace, takže rm padá na
# "Permission denied". Portál jen zařadí run_script job a Worker spustí tento skript
# v appfactory-tools/scripts/ s právy serveru.
# POZOR: holý název, NE "scripts/delete-app.sh" – cesta v názvu = "Invalid script name".
DELETE_APP_SCRIPT_NAME = "delete-app.sh"


def is_allowed_worker_script(script_name: str) -> bool:
    """True jen pro holý, povolený název skriptu pro Worker run_script job.
    Odmítne prázdný název, název nekončící .sh, název s cestou ("/", "\\", "..") i název
    mimo allowlist – tedy přesně případy, na které Worker hlásí "Invalid script name"."""
    if not script_name or not script_name.endswith(".sh"):
        return False
    if "/" in script_name or "\\" in script_name or ".." in script_name:
        return False
    return script_name in ALLOWED_WORKER_SCRIPTS
BACKUP_SCRIPT = "/tools/backup-appfactory.sh"
RESTORE_SCRIPT = "/tools/restore-appfactory.sh"
GENERATE_COMPOSE_SCRIPT = "/tools/generate-apps-compose.sh"

CATALOG_FILE = "/opt/appfactory/apps/catalog.yml"
APPFACTORY_ENV = "/opt/appfactory/config/appfactory.env"

DEFAULT_BACKUP_DIR = "/opt/appfactory/backups"
DEFAULT_GITEA_ORG = "appfactory"
INTERNAL_GITEA_URL = "http://appfactory-gitea:3000"

PORTAL_PREFIX = "/portal"
AUTH_MODES = {"google", "mixed", "local"}


def read_env_value(key: str, default: str = "") -> str:
    try:
        with open(APPFACTORY_ENV, "r", encoding="utf-8") as f:
            for line in f:
                line = line.strip()
                if line.startswith(f"{key}="):
                    return line.split("=", 1)[1].strip().strip('"')
    except FileNotFoundError:
        # appfactory.env nemusí existovat (např. lokální vývoj) – očekávaný stav, vrátíme default.
        pass
    except Exception as exc:
        # Neočekávaná chyba čtení configu – nesmí být tichá.
        from app.logging_config import get_logger

        get_logger(__name__).warning("Čtení %s (klíč %s) selhalo: %s", APPFACTORY_ENV, key, exc)

    return default


def read_env_bool(key: str, default: bool = False) -> bool:
    value = read_env_value(key, "")
    if value == "":
        return default

    return value.strip().lower() in {"1", "true", "yes", "on"}


def get_portal_public_url() -> str:
    public_url = read_env_value("APPFACTORY_PORTAL_PUBLIC_URL", "").rstrip("/")
    if public_url:
        return public_url

    domain = read_env_value("APPFACTORY_PORTAL_DOMAIN", "").strip()
    if read_env_bool("APPFACTORY_ENABLE_HTTPS") and domain:
        return f"https://{domain}"

    return ""


def get_google_redirect_uri() -> str:
    redirect_uri = read_env_value("GOOGLE_REDIRECT_URI", "").strip()
    if redirect_uri:
        return redirect_uri

    public_url = get_portal_public_url()
    if public_url:
        return f"{public_url}{PORTAL_PREFIX}/auth/google/callback"

    return ""


def get_gitea_public_url() -> str:
    return (read_env_value("GITEA_URL", "") or read_env_value("GITEA_ROOT_URL", "")).rstrip("/")


def get_gitea_server_url() -> str:
    return (
        read_env_value("GITEA_SERVER_URL", "")
        or read_env_value("GITEA_INTERNAL_URL", "")
        or get_gitea_public_url()
        or INTERNAL_GITEA_URL
    ).rstrip("/")


def get_gitea_admin_token() -> str:
    return (
        read_env_value("GITEA_ADMIN_TOKEN", "")
        or read_env_value("GITEA_API_TOKEN", "")
        or read_env_value("GITEA_TOKEN", "")
    ).strip()


def get_gitea_redirect_uri() -> str:
    redirect_uri = read_env_value("GITEA_OAUTH_REDIRECT_URI", "").strip()
    if redirect_uri:
        return redirect_uri

    public_url = get_portal_public_url()
    if public_url:
        return f"{public_url}{PORTAL_PREFIX}/auth/gitea/callback"

    return ""


def is_gitea_oauth_button_enabled() -> bool:
    return bool(
        get_gitea_public_url()
        and read_env_value("GITEA_OAUTH_CLIENT_ID", "")
        and read_env_value("GITEA_OAUTH_CLIENT_SECRET", "")
        and get_gitea_redirect_uri()
    )


def get_appfactory_host(request_host: str = "") -> str:
    configured_host = read_env_value("APPFACTORY_HOST", "").strip()
    if configured_host:
        return configured_host

    public_url = get_portal_public_url()
    if public_url:
        return public_url.split("://", 1)[-1].split("/", 1)[0].split(":", 1)[0]

    return (request_host or "").split(":", 1)[0]


def get_auth_domain_readiness() -> dict[str, bool]:
    google_enabled = read_env_bool("GOOGLE_OAUTH_ENABLED")
    google_client_id = read_env_value("GOOGLE_CLIENT_ID", "")
    google_client_secret = read_env_value("GOOGLE_CLIENT_SECRET", "")
    google_redirect_uri = get_google_redirect_uri()

    return {
        "portal_public_url_configured": bool(get_portal_public_url()),
        "auth_mode_google": get_auth_mode() == "google",
        "auth_mode_mixed": get_auth_mode() == "mixed",
        "auth_mode_local": get_auth_mode() == "local",
        "google_oauth_enabled": google_enabled,
        "google_oauth_configured": bool(google_client_id and google_client_secret and google_redirect_uri),
        "google_redirect_uri_configured": bool(google_redirect_uri),
        "https_enabled": read_env_bool("APPFACTORY_ENABLE_HTTPS"),
    }


def get_auth_mode() -> str:
    mode = read_env_value("AUTH_MODE", "mixed").strip().lower()
    if mode in AUTH_MODES:
        return mode
    return "mixed"


def is_google_oauth_button_enabled() -> bool:
    return bool(
        read_env_bool("GOOGLE_OAUTH_ENABLED")
        and read_env_value("GOOGLE_CLIENT_ID", "")
        and read_env_value("GOOGLE_CLIENT_SECRET", "")
        and get_google_redirect_uri()
    )