from nose.tools import assert_equals, assert_true, assert_false, assert_is_instance, assert_is_none, assert_is_not_none
from gixy.parser.nginx_parser import NginxParser
from gixy.directives.block import *

# TODO(buglloc): what about include block?


def _get_parsed(config):
    root = NginxParser(cwd='', allow_includes=False).parse(config)
    return root.children[0]


def test_block():
    config = 'some {some;}'

    directive = _get_parsed(config)
    assert isinstance(directive, Block)
    assert directive.is_block
    assert directive.self_context
    assert not directive.provide_variables


def test_http():
    config = '''
http {
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, HttpBlock)
    assert directive.is_block
    assert directive.self_context
    assert not directive.provide_variables


def test_server():
    config = '''
server {
    listen 80;
    server_name _;
    server_name cool.io;
}

    '''

    directive = _get_parsed(config)
    assert isinstance(directive, ServerBlock)
    assert directive.is_block
    assert directive.self_context
    assert [d.args[0] for d in directive.get_names()] == ['_', 'cool.io']
    assert not directive.provide_variables


def test_location():
    config = '''
location / {
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, LocationBlock)
    assert directive.is_block
    assert directive.self_context
    assert directive.provide_variables
    assert directive.modifier is None
    assert directive.path == '/'
    assert not directive.is_internal


def test_location_internal():
    config = '''
location / {
    internal;
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, LocationBlock)
    assert directive.is_internal


def test_location_modifier():
    config = '''
location = / {
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, LocationBlock)
    assert directive.modifier == '='
    assert directive.path == '/'


def test_if():
    config = '''
if ($some) {
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, IfBlock)
    assert directive.is_block
    assert not directive.self_context
    assert not directive.provide_variables
    assert directive.variable == '$some'
    assert directive.operand is None
    assert directive.value is None


def test_if_modifier():
    config = '''
if (-f /some) {
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, IfBlock)
    assert directive.operand == '-f'
    assert directive.value == '/some'
    assert directive.variable is None


def test_if_variable():
    config = '''
if ($http_some = '/some') {
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, IfBlock)
    assert directive.variable == '$http_some'
    assert directive.operand == '='
    assert directive.value == '/some'


def test_block_some_flat():
    config = '''
    some {
        default_type  application/octet-stream;
        sendfile        on;
        if (-f /some/) {
            keepalive_timeout  65;
        }
    }
        '''

    directive = _get_parsed(config)
    for d in ['default_type', 'sendfile', 'keepalive_timeout']:
        c = directive.some(d, flat=True)
        assert c is not None
        assert c.name == d


def test_block_some_not_flat():
    config = '''
    some {
        default_type  application/octet-stream;
        sendfile        on;
        if (-f /some/) {
            keepalive_timeout  65;
        }
    }
        '''

    directive = _get_parsed(config)
    c = directive.some('keepalive_timeout', flat=False)
    assert c is None


def test_block_find_flat():
    config = '''
    some {
        directive 1;
        if (-f /some/) {
            directive 2;
        }
    }
        '''

    directive = _get_parsed(config)
    finds = directive.find('directive', flat=True)
    assert len(finds) == 2
    assert [x.name for x in finds] == ['directive', 'directive']
    assert [x.args[0] for x in finds] == ['1', '2']


def test_block_find_not_flat():
    config = '''
    some {
        directive 1;
        if (-f /some/) {
            directive 2;
        }
    }
        '''

    directive = _get_parsed(config)
    finds = directive.find('directive', flat=False)
    assert len(finds) == 1
    assert [x.name for x in finds] == ['directive']
    assert [x.args[0] for x in finds] == ['1']


def test_block_map():
    config = '''
map $some_var $some_other_var {
    a   b;
    default c;
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, MapBlock)
    assert directive.is_block
    assert not directive.self_context
    assert directive.provide_variables
    assert directive.variable == 'some_other_var'


def test_block_geo_two_vars():
    config = '''
geo $some_var $some_other_var {
    1.2.3.4 b;
    default c;
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, GeoBlock)
    assert directive.is_block
    assert not directive.self_context
    assert directive.provide_variables
    assert directive.variable == 'some_other_var'


def test_block_geo_one_var():
    config = '''
geo $some_var {
    5.6.7.8 d;
    default e;
}
    '''

    directive = _get_parsed(config)
    assert isinstance(directive, GeoBlock)
    assert directive.is_block
    assert not directive.self_context
    assert directive.provide_variables
    assert directive.variable == 'some_var'