from __future__ import annotations

import asyncio

import pytest

from quart import (
    Blueprint,
    g,
    Quart,
    render_template_string,
    ResponseReturnValue,
    session,
    stream_template_string,
)


@pytest.fixture(scope="function")
def app() -> Quart:
    app = Quart(__name__)
    app.secret_key = "secret"

    return app


@pytest.fixture(scope="function")
def blueprint() -> Blueprint:
    blueprint = Blueprint("blueprint", __name__)

    @blueprint.route("/")
    def index() -> str:
        return ""

    return blueprint


async def test_template_render(app: Quart) -> None:
    async with app.app_context():
        rendered = await render_template_string("{{ foo }}", foo="bar")
    assert rendered == "bar"


async def test_default_template_context(app: Quart) -> None:
    async with app.app_context():
        g.foo = "bar"
        rendered = await render_template_string("{{ g.foo }}")
    assert rendered == "bar"
    async with app.test_request_context("/"):
        session["foo"] = "bar"
        rendered = await render_template_string(
            "{{ request.method }} {{ request.path }} {{ session.foo }}"
        )
    assert rendered == "GET / bar"


async def test_template_context_processors(app: Quart, blueprint: Blueprint) -> None:
    @blueprint.context_processor
    async def blueprint_context() -> dict:
        await asyncio.sleep(0.01)  # Test the ability to await
        return {"context": "foo"}

    @blueprint.app_context_processor
    async def app_blueprint_context() -> dict:
        return {"global_context": "boo"}

    @app.context_processor
    async def app_context() -> dict:
        return {"context": "bar"}

    app.register_blueprint(blueprint)

    async with app.app_context():
        rendered = await render_template_string("{{ context }}")
    assert rendered == "bar"

    async with app.test_request_context("/"):
        rendered = await render_template_string("{{ context }} {{ global_context }}")
    assert rendered == "foo boo"

    async with app.test_request_context("/other"):
        rendered = await render_template_string("{{ context }} {{ global_context }}")
    assert rendered == "bar boo"


async def test_template_globals(app: Quart, blueprint: Blueprint) -> None:
    @blueprint.app_template_global()
    def blueprint_global(value: str) -> str:
        return value.upper()

    @app.template_global()
    def app_global(value: str) -> str:
        return value.lower()

    app.register_blueprint(blueprint)

    async with app.app_context():
        rendered = await render_template_string(
            "{{ app_global('BAR') }} {{ blueprint_global('foo') }}"
        )
    assert rendered == "bar FOO"


async def test_template_filters(app: Quart, blueprint: Blueprint) -> None:
    @blueprint.app_template_filter()
    def blueprint_filter(value: str) -> str:
        return value.upper()

    @app.template_filter()
    def app_filter(value: str) -> str:
        return value.lower()

    app.register_blueprint(blueprint)

    async with app.app_context():
        rendered = await render_template_string("{{ 'App' | app_filter }}")
    assert rendered == "app"

    async with app.test_request_context("/"):
        rendered = await render_template_string("{{ 'App' | blueprint_filter }}")
    assert rendered == "APP"


async def test_template_tests(app: Quart, blueprint: Blueprint) -> None:
    @blueprint.app_template_test()
    def blueprint_test(value: int) -> bool:
        return value == 5

    @app.template_test()
    def app_test(value: int) -> bool:
        return value == 3

    app.register_blueprint(blueprint)

    async with app.app_context():
        rendered = await render_template_string("{% if 3 is app_test %}foo{% endif %}")
    assert rendered == "foo"

    async with app.test_request_context("/"):
        rendered = await render_template_string("{% if 5 is blueprint_test %}bar{% endif %}")
    assert rendered == "bar"


async def test_simple_stream(app: Quart) -> None:
    @app.get("/")
    async def index() -> ResponseReturnValue:
        return await stream_template_string("{{ config }}", config=42)

    test_client = app.test_client()
    response = await test_client.get("/")
    assert (await response.data) == b"42"