from rest_framework.response import Response
from rest_framework.views import APIView

from apps.core.settings_registry import SCHEMA_BY_KEY
from apps.core.settings_service import SettingsService
from apps.rbac.permissions import HasPermission


class SettingsView(APIView):
    """Read/write runtime integration settings.

    GET returns the schema (drives the panel) and current values (secrets
    masked). PUT accepts ``{"values": {"key": value, ...}}`` and persists them.
    """

    permission_classes = [HasPermission]
    perm_code = "settings.manage"

    def get(self, request):
        service = SettingsService()
        return Response({"schema": service.schema(), "values": service.all_values()})

    def put(self, request):
        service = SettingsService()
        values = request.data.get("values") or {}
        for key, value in values.items():
            entry = SCHEMA_BY_KEY.get(key)
            if entry is None:
                continue
            # Never overwrite a secret with an empty value (means "unchanged").
            if entry.get("type") == "secret" and value in ("", None):
                continue
            service.set(key, value)
        return Response({"values": service.all_values()})


class TestOdooView(APIView):
    """Attempt an XML-RPC connection using the currently saved Odoo settings."""

    permission_classes = [HasPermission]
    perm_code = "settings.manage"

    def post(self, request):
        from apps.integrations.odoo.client import OdooXmlRpcClient

        service = SettingsService()
        url = service.get("odoo.url", "")
        if not url:
            return Response({"ok": False, "error": "Odoo URL is not configured."})
        client = OdooXmlRpcClient(
            url=url,
            db=service.get("odoo.database", ""),
            username=service.get("odoo.username", ""),
            password=service.get("odoo.password", ""),
            api_key=service.get("odoo.api_key", ""),
            auth_method=service.get("odoo.auth_method", "password"),
        )
        try:
            result = client.test_connection()
            return Response({"ok": True, "version": result["version"], "uid": str(result["uid"])})
        except Exception as exc:
            return Response({"ok": False, "error": str(exc)})