from app.services.traefik import TraefikLabelGenerator


class TestTraefikLabelGenerator:
    def test_generate_subdomain(self):
        gen = TraefikLabelGenerator(domain="hq.example.com")
        subdomain = gen.generate_subdomain(
            tool_key="code-server",
            project_slug="my-project",
            user_slug="alice",
        )
        assert subdomain == "code-server-my-project-alice.hq.example.com"

    def test_generate_subdomain_with_different_domain(self):
        gen = TraefikLabelGenerator(domain="tools.localhost")
        subdomain = gen.generate_subdomain(
            tool_key="opencode",
            project_slug="test",
            user_slug="bob",
        )
        assert subdomain == "opencode-test-bob.tools.localhost"

    def test_generate_labels_basic(self):
        gen = TraefikLabelGenerator(domain="hq.example.com")
        labels = gen.generate_labels(
            instance_id="abc12345-6789-1234-5678-123456789abc",
            tool_key="code-server",
            project_slug="my-project",
            user_slug="alice",
            container_port=8443,
        )

        assert labels["traefik.enable"] == "true"
        assert "Host(`code-server-my-project-alice.hq.example.com`)" in labels[
            "traefik.http.routers.tool-abc12345.rule"
        ]
        assert labels["traefik.http.routers.tool-abc12345.entrypoints"] == "websecure"
        assert labels["traefik.http.routers.tool-abc12345.service"] == "tool-abc12345"

    def test_generate_labels_tls(self):
        gen = TraefikLabelGenerator(domain="hq.example.com", entrypoint="websecure")
        labels = gen.generate_labels(
            instance_id="abc12345-6789-1234-5678-123456789abc",
            tool_key="code-server",
            project_slug="my-project",
            user_slug="alice",
            container_port=8443,
        )

        assert labels["traefik.http.routers.tool-abc12345.tls"] == "true"
        assert (
            labels["traefik.http.routers.tool-abc12345.tls.certresolver"]
            == "letsencrypt"
        )

    def test_generate_labels_no_tls_for_http(self):
        gen = TraefikLabelGenerator(domain="hq.example.com", entrypoint="web")
        labels = gen.generate_labels(
            instance_id="abc12345-6789-1234-5678-123456789abc",
            tool_key="code-server",
            project_slug="my-project",
            user_slug="alice",
            container_port=8443,
        )

        assert "traefik.http.routers.tool-abc12345.tls" not in labels
        assert "traefik.http.routers.tool-abc12345.tls.certresolver" not in labels

    def test_generate_labels_service_config(self):
        gen = TraefikLabelGenerator(domain="hq.example.com")
        labels = gen.generate_labels(
            instance_id="abc12345-6789-1234-5678-123456789abc",
            tool_key="code-server",
            project_slug="my-project",
            user_slug="alice",
            container_port=8443,
        )

        assert (
            labels["traefik.http.services.tool-abc12345.loadbalancer.server.port"]
            == "8443"
        )
        assert (
            labels["traefik.http.services.tool-abc12345.loadbalancer.server.scheme"]
            == "http"
        )

    def test_generate_labels_security_headers(self):
        gen = TraefikLabelGenerator(domain="hq.example.com")
        labels = gen.generate_labels(
            instance_id="abc12345-6789-1234-5678-123456789abc",
            tool_key="code-server",
            project_slug="my-project",
            user_slug="alice",
            container_port=8443,
        )

        middleware_name = "tool-abc12345-sec"
        assert (
            labels[f"traefik.http.middlewares.{middleware_name}.headers.stsSeconds"]
            == "31536000"
        )
        assert (
            labels[
                f"traefik.http.middlewares.{middleware_name}.headers.stsIncludeSubdomains"
            ]
            == "true"
        )
        assert (
            labels[
                f"traefik.http.middlewares.{middleware_name}.headers.forceStsHeader"
            ]
            == "true"
        )
        assert (
            labels[
                f"traefik.http.middlewares.{middleware_name}.headers.contentTypeNosniff"
            ]
            == "true"
        )
        assert (
            labels[
                f"traefik.http.middlewares.{middleware_name}.headers.browserXssFilter"
            ]
            == "true"
        )
        assert (
            labels[
                f"traefik.http.middlewares.{middleware_name}.headers.customFrameOptionsValue"
            ]
            == "SAMEORIGIN"
        )

    def test_generate_labels_middleware_attached(self):
        gen = TraefikLabelGenerator(domain="hq.example.com")
        labels = gen.generate_labels(
            instance_id="abc12345-6789-1234-5678-123456789abc",
            tool_key="code-server",
            project_slug="my-project",
            user_slug="alice",
            container_port=8443,
        )

        assert labels["traefik.http.routers.tool-abc12345.middlewares"] == "tool-abc12345-sec"

    def test_generate_labels_network(self):
        gen = TraefikLabelGenerator(domain="hq.example.com")
        labels = gen.generate_labels(
            instance_id="abc12345-6789-1234-5678-123456789abc",
            tool_key="code-server",
            project_slug="my-project",
            user_slug="alice",
            container_port=8443,
            network_name="custom-network",
        )

        assert labels["traefik.docker.network"] == "custom-network"

    def test_generate_labels_default_network(self):
        gen = TraefikLabelGenerator(domain="hq.example.com")
        labels = gen.generate_labels(
            instance_id="abc12345-6789-1234-5678-123456789abc",
            tool_key="code-server",
            project_slug="my-project",
            user_slug="alice",
            container_port=8443,
        )

        assert labels["traefik.docker.network"] == "tools"

    def test_generate_removal_labels(self):
        gen = TraefikLabelGenerator(domain="hq.example.com")
        labels = gen.generate_removal_labels(
            instance_id="abc12345-6789-1234-5678-123456789abc",
        )

        assert labels["traefik.enable"] == "false"
        assert labels["traefik.http.routers.tool-abc12345.rule"] == ""

    def test_generate_labels_with_opencode(self):
        gen = TraefikLabelGenerator(domain="hq.example.com")
        labels = gen.generate_labels(
            instance_id="xyz78901-2345-6789-0123-456789012345",
            tool_key="opencode",
            project_slug="demo",
            user_slug="charlie",
            container_port=3000,
        )

        assert "Host(`opencode-demo-charlie.hq.example.com`)" in labels[
            "traefik.http.routers.tool-xyz78901.rule"
        ]
        assert (
            labels["traefik.http.services.tool-xyz78901.loadbalancer.server.port"]
            == "3000"
        )