"""Tests for maker blueprint (client/blueprints/maker.py).

Covers recipe list, recipe creation page, role enforcement, and recipe edit.
"""
import pytest


class TestRecipeList:
    """GET /maker/recipes tests."""

    def test_recipe_list_renders(self, logged_in_client, mock_api_client):
        """Recipe list page renders for Maker role."""
        mock_api_client.get.return_value = {
            "items": [
                {"id": 1, "code": "REC-001", "name": "Recipe A"},
            ],
            "total": 1,
            "pages": 1,
        }

        resp = logged_in_client.get("/maker/recipes")
        assert resp.status_code == 200

    def test_recipe_list_requires_login(self, client):
        """Unauthenticated user is redirected to login."""
        resp = client.get("/maker/recipes", follow_redirects=False)
        assert resp.status_code == 302
        assert "/auth/login" in resp.headers["Location"]

    def test_recipe_list_search_does_not_break_out_of_x_data(
        self, logged_in_client, mock_api_client
    ):
        """#10: ``?search=`` is JSON-encoded inside x-data, not string-interpolated.

        The payload must land as the *content* of a single quoted JSON
        string token (recovered by undoing only the ``\\u0027`` escape),
        and the object key right after it must still be the untouched
        ``filter: 'all'`` from the template - proof no new key was injected.
        """
        import re
        from html.parser import HTMLParser

        mock_api_client.get.return_value = {"items": [], "total": 0, "pages": 1}

        payload = "',x:alert(1),y:'"
        resp = logged_in_client.get("/maker/recipes", query_string={"search": payload})
        assert resp.status_code == 200
        html = resp.get_data(as_text=True)

        captured = {}

        class _P(HTMLParser):
            def handle_starttag(self, tag, attrs):
                d = dict(attrs)
                if d.get("x-data") and "search:" in d["x-data"]:
                    captured["x_data"] = d["x-data"]

        _P().feed(html)
        assert "x_data" in captured
        m = re.search(r'search:\s*"([^"]*)"\s*,\s*filter:\s*\'all\'', captured["x_data"])
        assert m, f"search is not a single quoted JSON token: {captured['x_data']!r}"
        assert m.group(1).replace("\\u0027", "'") == payload


class TestRecipeNew:
    """GET /maker/recipes/new tests."""

    def test_recipe_new_renders(self, logged_in_client, mock_api_client):
        """Recipe creation page renders for Maker role."""
        resp = logged_in_client.get("/maker/recipes/new")
        assert resp.status_code == 200


class TestRoleRequired:
    """Maker role enforcement tests."""

    def test_requires_maker_role(self, flask_app):
        """User without Maker role gets 403 on maker endpoints."""
        with flask_app.test_client() as c:
            with c.session_transaction() as sess:
                sess["api_key"] = "test-key"
                sess["user"] = {
                    "id": 2,
                    "username": "tec_only",
                    "display_name": "Tec Only",
                    "roles": ["MeasurementTec"],
                    "is_admin": False,
                    "language_pref": "en",
                    "theme_pref": "light",
                    "active": True,
                }
                sess["user_id"] = 2
                sess["language"] = "en"
                sess["theme"] = "light"

            resp = c.get("/maker/recipes")
            assert resp.status_code == 403


class TestRecipeEdit:
    """GET /maker/recipes/<id>/edit tests."""

    def test_recipe_edit_renders(self, logged_in_client, mock_api_client):
        """Recipe edit page renders with recipe data."""
        # First call: recipe detail, second call: versions list
        mock_api_client.get.side_effect = [
            {"id": 1, "code": "REC-001", "name": "Recipe A"},
            [{"version_number": 1, "is_current": True}],
        ]

        resp = logged_in_client.get("/maker/recipes/1/edit")
        assert resp.status_code == 200

    def test_recipe_edit_not_found(self, logged_in_client, mock_api_client):
        """Recipe edit with API error redirects to recipe list."""
        mock_api_client.get.return_value = {
            "error": True,
            "detail": "Not found",
        }

        resp = logged_in_client.get("/maker/recipes/999/edit", follow_redirects=False)
        assert resp.status_code == 302
        assert "/maker/recipes" in resp.headers["Location"]


class TestVersionConflictProxy:
    """gitea#4: a 409 from the backend (edit targeting a non-current version,
    left behind by an earlier copy-on-write) must reach the browser as a 409 -
    task_editor.html's _reloadForNewVersion() only triggers on that status.
    """

    _CONFLICT = {
        "error": True,
        "status_code": 409,
        "detail": "Cannot modify a non-current version. Create a new version first.",
    }

    def test_update_task_proxies_409(self, logged_in_client, mock_api_client):
        mock_api_client.put.return_value = self._CONFLICT

        resp = logged_in_client.put("/maker/api/tasks/11", json={"title": "x"})

        assert resp.status_code == 409
        assert resp.get_json()["detail"] == self._CONFLICT["detail"]

    def test_update_subtask_proxies_409(self, logged_in_client, mock_api_client):
        mock_api_client.put.return_value = self._CONFLICT

        resp = logged_in_client.put("/maker/api/subtasks/21", json={"nominal": 1.0})

        assert resp.status_code == 409
        assert resp.get_json()["detail"] == self._CONFLICT["detail"]

    def test_create_subtask_proxies_409(self, logged_in_client, mock_api_client):
        mock_api_client.post.return_value = self._CONFLICT

        resp = logged_in_client.post(
            "/maker/api/tasks/11/subtasks",
            json={"marker_number": 1, "description": "x"},
        )

        assert resp.status_code == 409
        assert resp.get_json()["detail"] == self._CONFLICT["detail"]