import pytest

from src.turbosloth.exceptions import NotFoundException, MethodNotAllowedException
from src.turbosloth.router import Router


def test_router_root_handler():
    async def f(*args):
        pass

    async def d(*args):
        pass

    async def a(*args):
        pass

    r = Router()
    r.add('GET', '/', f)
    r.add('GET', '', f)
    assert len(r._root.static_subroutes) == 0
    assert len(r._root.handler) == 1
    assert r._root.handler['GET'] == f

    r.add('POST', '/', a)
    assert len(r._root.static_subroutes) == 0
    assert len(r._root.handler) == 2
    assert r._root.handler['GET'] == f
    assert r._root.handler['POST'] == a

    r.add('GET', '/asdf', d)
    assert len(r._root.static_subroutes) == 1
    assert len(r._root.handler) == 2
    assert r._root.handler['GET'] == f
    assert r._root.handler['POST'] == a
    assert len(r._root.static_subroutes['asdf'].static_subroutes) == 0
    assert len(r._root.static_subroutes['asdf'].handler) == 1
    assert r._root.static_subroutes['asdf'].handler['GET'] == d


def test_router_match():
    async def f(*args):
        pass

    async def d(*args):
        pass

    r = Router()
    r.add('GET', 'asdf', f)
    assert r.match('GET', '/asdf') == ({}, f)
    with pytest.raises(NotFoundException, match='404\tNot Found: asd'):
        r.match('GET', 'asd')
    with pytest.raises(MethodNotAllowedException, match=f'405\tMethod Not Allowed: POST /asdf, allowed: GET'):
        r.match('POST', 'asdf')

    with pytest.raises(NotFoundException, match=f'404\tNot Found'):
        r.match('POST', '')


def test_router_pattern_match():
    async def f(*args):
        pass

    r = Router()
    r.add('GET', '/{some}/asdf', f)
    r.add('GET', '/{some}/b{some1}c', f)

    assert r.match('GET', '/1234/asdf') == ({'some': '1234'}, f)
    assert r.match('GET', '/ /asdf') == ({'some': ' '}, f)
    assert r.match('GET', '/ /basdfc') == ({'some': ' ', 'some1': 'asdf'}, f)

    with pytest.raises(NotFoundException, match='404\tNot Found: asd'):
        r.match('GET', 'asd')

    with pytest.raises(NotFoundException, match='404\tNot Found: asd'):
        r.match('GET', 'asd/')

    with pytest.raises(NotFoundException, match='404\tNot Found: asd'):
        r.match('GET', 'asd/b')

    with pytest.raises(NotFoundException, match='404\tNot Found: asd'):
        r.match('GET', 'asd/basdf')


def test_subroutes():
    async def f(*args):
        pass

    async def d(*args):
        pass

    r1 = Router()
    r2 = Router()

    r1.add('GET', '/asdf', f)
    r2.add('GET', '/asdf/a', d)
    r1.add_subroute(r2, '')

    assert r1.match('GET', '/asdf') == ({}, f)
    assert r1.match('GET', '/asdf/a') == ({}, d)
    r1.add_subroute(r2, '/asdf')
    assert r1.match('GET', '/asdf/asdf/a') == ({}, d)

    r1.add_subroute(r2, '/asdf' * 5)
    assert r1.match('GET', '/asdf' * 5 + '/asdf/a') == ({}, d)

    with pytest.raises(NotFoundException):
        r1.match('GET', '/asdf/' * 5 + '/asdf/a')

    r1.add_subroute(r2, '/asdf/' * 5)
    assert r1.match('GET', '/asdf/' * 5 + '/asdf/a') == ({}, d)