from yuxi.channel.extensions.tlon.utils import is_valid_ship


class TlonSetupWizard:
    steps = [
        {
            "id": "ship",
            "label": "Ship name",
            "placeholder": "~sampel-palnet",
            "validate": "normalize_ship → must be valid ship name",
        },
        {
            "id": "url",
            "label": "Ship URL",
            "placeholder": "https://your-ship-host",
            "validate": "validate_urbit_base_url → http/https protocol, no credentials",
        },
        {
            "id": "code",
            "label": "Login code",
            "placeholder": "lidlut-tabwed-pillex-ridrup",
            "validate": "required, non-empty string",
        },
    ]

    def setup_wizard_steps(self) -> list:
        return self.steps

    def validate_wizard_input(self, step_key: str, value: str) -> str | None:
        if step_key == "ship":
            if not is_valid_ship(value):
                return "Invalid ship name format (expected ~name-name)"
        elif step_key == "url":
            if not value.startswith(("http://", "https://")):
                return "URL must start with http:// or https://"
        elif step_key == "code":
            if not value or not value.strip():
                return "Login code is required"
        return None

    async def finalize(self, config: dict) -> dict:
        result = dict(config)

        ship_url = result.get("url", "")
        private_ranges = ["127.", "10.", "192.168.", "172.16.", "172.17.",
                          "172.18.", "172.19.", "172.20.", "172.21.", "172.22.",
                          "172.23.", "172.24.", "172.25.", "172.26.", "172.27.",
                          "172.28.", "172.29.", "172.30.", "172.31.", "localhost"]

        from urllib.parse import urlparse
        parsed = urlparse(ship_url)
        hostname = parsed.hostname or ""
        is_private = any(hostname.startswith(prefix) for prefix in private_ranges)
        if is_private:
            result.setdefault("network", {})["dangerouslyAllowPrivateNetwork"] = True

        result.setdefault("groupChannels", [])
        result.setdefault("dmAllowlist", [])
        result.setdefault("groupInviteAllowlist", [])
        result.setdefault("autoDiscoverChannels", True)
        result.setdefault("showModelSignature", False)
        result.setdefault("autoAcceptDmInvites", False)
        result.setdefault("autoAcceptGroupInvites", False)
        result.setdefault("ownerShip", result.get("ship", ""))
        result.setdefault("defaultAuthorizedShips", [])
        result.setdefault("authorization", {"channelRules": {}})

        return result