import pytest

from httpie import ExitStatus
from httpie.output.formatters.colors import get_lexer
from utils import TestEnvironment, http, httpbin, HTTP_OK, COLOR, CRLF


class TestVerboseFlag:
    def test_verbose(self):
        r = http('--verbose', 'GET', httpbin('/get'), 'test-header:__test__')
        assert HTTP_OK in r
        assert r.count('__test__') == 2

    def test_verbose_form(self):
        # https://github.com/jakubroztocil/httpie/issues/53
        r = http('--verbose', '--form', 'POST', httpbin('/post'),
                 'A=B', 'C=D')
        assert HTTP_OK in r
        assert 'A=B&C=D' in r

    def test_verbose_json(self):
        r = http('--verbose', 'POST', httpbin('/post'), 'foo=bar', 'baz=bar')
        assert HTTP_OK in r
        assert '"baz": "bar"' in r  # request
        assert r'\"baz\": \"bar\"' in r  # response


class TestColors:

    @pytest.mark.parametrize('mime', [
        'application/json',
        'application/json+foo',
        'application/foo+json',
        'foo/json',
        'foo/json+bar',
        'foo/bar+json',
    ])
    def test_get_lexer(self, mime):
        lexer = get_lexer(mime)
        assert lexer is not None
        assert lexer.name == 'JSON'

    def test_get_lexer_not_found(self):
        assert get_lexer('xxx/yyy') is None


class TestPrettyOptions:
    """Test the --pretty flag handling."""

    def test_pretty_enabled_by_default(self):
        env = TestEnvironment(colors=256)
        r = http('GET', httpbin('/get'), env=env)
        assert COLOR in r

    def test_pretty_enabled_by_default_unless_stdout_redirected(self):
        r = http('GET', httpbin('/get'))
        assert COLOR not in r

    def test_force_pretty(self):
        env = TestEnvironment(stdout_isatty=False, colors=256)
        r = http('--pretty=all', 'GET', httpbin('/get'), env=env, )
        assert COLOR in r

    def test_force_ugly(self):
        r = http('--pretty=none', 'GET', httpbin('/get'))
        assert COLOR not in r

    def test_subtype_based_pygments_lexer_match(self):
        """Test that media subtype is used if type/subtype doesn't
        match any lexer.

        """
        env = TestEnvironment(colors=256)
        r = http('--print=B', '--pretty=all', httpbin('/post'),
                 'Content-Type:text/foo+json', 'a=b', env=env)
        assert COLOR in r

    def test_colors_option(self):
        env = TestEnvironment(colors=256)
        r = http('--print=B', '--pretty=colors', 'GET', httpbin('/get'), 'a=b',
                 env=env)
        # Tests that the JSON data isn't formatted.
        assert not r.strip().count('\n')
        assert COLOR in r

    def test_format_option(self):
        env = TestEnvironment(colors=256)
        r = http('--print=B', '--pretty=format', 'GET', httpbin('/get'), 'a=b',
                 env=env)
        # Tests that the JSON data is formatted.
        assert r.strip().count('\n') == 2
        assert COLOR not in r


class TestLineEndings:
    """
    Test that CRLF is properly used in headers
    and as the headers/body separator.

    """
    def _validate_crlf(self, msg):
        lines = iter(msg.splitlines(True))
        for header in lines:
            if header == CRLF:
                break
            assert header.endswith(CRLF), repr(header)
        else:
            assert 0, 'CRLF between headers and body not found in %r' % msg
        body = ''.join(lines)
        assert CRLF not in body
        return body

    def test_CRLF_headers_only(self):
        r = http('--headers', 'GET', httpbin('/get'))
        body = self._validate_crlf(r)
        assert not body, 'Garbage after headers: %r' % r

    def test_CRLF_ugly_response(self):
        r = http('--pretty=none', 'GET', httpbin('/get'))
        self._validate_crlf(r)

    def test_CRLF_formatted_response(self):
        r = http('--pretty=format', 'GET', httpbin('/get'))
        assert r.exit_status == ExitStatus.OK
        self._validate_crlf(r)

    def test_CRLF_ugly_request(self):
        r = http('--pretty=none', '--print=HB', 'GET', httpbin('/get'))
        self._validate_crlf(r)

    def test_CRLF_formatted_request(self):
        r = http('--pretty=format', '--print=HB', 'GET', httpbin('/get'))
        self._validate_crlf(r)