import pytest

from flask import url_for, Blueprint
from werkzeug.routing import BuildError

import flask_restx as restx


class APIDocTest(object):
    def test_default_apidoc_on_root(self, app, client):
        restx.Api(app, version="1.0")

        assert url_for("doc") == url_for("root")

        response = client.get(url_for("doc"))
        assert response.status_code == 200
        assert response.content_type == "text/html; charset=utf-8"

    def test_default_apidoc_on_root_lazy(self, app, client):
        api = restx.Api(version="1.0")
        api.init_app(app)

        assert url_for("doc") == url_for("root")

        response = client.get(url_for("doc"))
        assert response.status_code == 200
        assert response.content_type == "text/html; charset=utf-8"

    def test_default_apidoc_on_root_with_blueprint(self, app, client):
        blueprint = Blueprint("api", __name__, url_prefix="/api")
        restx.Api(blueprint, version="1.0")
        app.register_blueprint(blueprint)

        assert url_for("api.doc") == url_for("api.root")

        response = client.get(url_for("api.doc"))
        assert response.status_code == 200
        assert response.content_type == "text/html; charset=utf-8"

    def test_apidoc_with_custom_validator(self, app, client):
        app.config["SWAGGER_VALIDATOR_URL"] = "http://somewhere.com/validator"
        restx.Api(app, version="1.0")

        response = client.get(url_for("doc"))
        assert response.status_code == 200
        assert response.content_type == "text/html; charset=utf-8"
        assert 'validatorUrl: "http://somewhere.com/validator" || null,' in str(
            response.data
        )

    def test_apidoc_doc_expansion_parameter(self, app, client):
        restx.Api(app)

        response = client.get(url_for("doc"))
        assert 'docExpansion: "none"' in str(response.data)

        app.config["SWAGGER_UI_DOC_EXPANSION"] = "list"
        response = client.get(url_for("doc"))
        assert 'docExpansion: "list"' in str(response.data)

        app.config["SWAGGER_UI_DOC_EXPANSION"] = "full"
        response = client.get(url_for("doc"))
        assert 'docExpansion: "full"' in str(response.data)

    def test_apidoc_doc_display_operation_id(self, app, client):
        restx.Api(app)

        response = client.get(url_for("doc"))
        assert "displayOperationId: false" in str(response.data)

        app.config["SWAGGER_UI_OPERATION_ID"] = False
        response = client.get(url_for("doc"))
        assert "displayOperationId: false" in str(response.data)

        app.config["SWAGGER_UI_OPERATION_ID"] = True
        response = client.get(url_for("doc"))
        assert "displayOperationId: true" in str(response.data)

    def test_apidoc_doc_display_request_duration(self, app, client):
        restx.Api(app)

        response = client.get(url_for("doc"))
        assert "displayRequestDuration: false" in str(response.data)

        app.config["SWAGGER_UI_REQUEST_DURATION"] = False
        response = client.get(url_for("doc"))
        assert "displayRequestDuration: false" in str(response.data)

        app.config["SWAGGER_UI_REQUEST_DURATION"] = True
        response = client.get(url_for("doc"))
        assert "displayRequestDuration: true" in str(response.data)

    def test_custom_apidoc_url(self, app, client):
        restx.Api(app, version="1.0", doc="/doc/")

        doc_url = url_for("doc")
        root_url = url_for("root")

        assert doc_url != root_url

        response = client.get(root_url)
        assert response.status_code == 404

        assert doc_url == "/doc/"
        response = client.get(doc_url)
        assert response.status_code == 200
        assert response.content_type == "text/html; charset=utf-8"

    def test_custom_api_prefix(self, app, client):
        prefix = "/api"
        api = restx.Api(app, prefix=prefix)
        api.namespace("resource")
        assert url_for("root") == prefix

    def test_custom_apidoc_page(self, app, client):
        api = restx.Api(app, version="1.0")
        content = "My Custom API Doc"

        @api.documentation
        def api_doc():
            return content

        response = client.get(url_for("doc"))
        assert response.status_code == 200
        assert response.data.decode("utf8") == content

    def test_custom_apidoc_page_lazy(self, app, client):
        blueprint = Blueprint("api", __name__, url_prefix="/api")
        api = restx.Api(blueprint, version="1.0")
        content = "My Custom API Doc"

        @api.documentation
        def api_doc():
            return content

        app.register_blueprint(blueprint)

        response = client.get(url_for("api.doc"))
        assert response.status_code == 200
        assert response.data.decode("utf8") == content

    def test_disabled_apidoc(self, app, client):
        restx.Api(app, version="1.0", doc=False)

        with pytest.raises(BuildError):
            url_for("doc")

        response = client.get(url_for("root"))
        assert response.status_code == 404