import re
from urllib import quote

from bson import ObjectId

from nose.tools import with_setup, assert_equal
from pylons import g, c

from ming.orm import ThreadLocalORMSession
from alluratest.controller import setup_basic_test, setup_global_objects

from allura import model as M
from allura.lib import helpers as h
from allura.tests import decorators as td

from forgewiki import model as WM
from forgeblog import model as BM


def setUp():
    """Method called by nose before running each test"""
    setup_basic_test()
    setup_with_tools()

@td.with_wiki
def setup_with_tools():
    setup_global_objects()

@td.with_wiki
def test_app_globals():
    g.oid_session()
    g.oid_session()
    h.set_context('test', 'wiki', neighborhood='Projects')
    assert g.app_static('css/wiki.css') == '/nf/_static_/wiki/css/wiki.css', g.app_static('css/wiki.css')
    assert g.url('/foo', a='foo bar') == 'http://localhost:80/foo?a=foo+bar', g.url('/foo', a='foo bar')
    assert g.url('/foo') == 'http://localhost:80/foo', g.url('/foo')

@with_setup(setUp)
def test_macros():
    p_nbhd = M.Neighborhood.query.get(name='Projects')
    p_test = M.Project.query.get(shortname='test', neighborhood_id=p_nbhd._id)
    p_test2 = M.Project.query.get(shortname='test2', neighborhood_id=p_nbhd._id)
    p_sub1 =  M.Project.query.get(shortname='test/sub1', neighborhood_id=p_nbhd._id)
    p_test.labels = [ 'test', 'root' ]
    p_sub1.labels = [ 'test', 'sub1' ]
    # Make one project private
    p_test.private = False
    p_sub1.private = False
    p_test2.private = True

    ThreadLocalORMSession.flush_all()

    with h.push_context(p_nbhd.neighborhood_project._id):
        r = g.markdown_wiki.convert('[[projects]]')
        assert '<img alt="test Logo"' in r, r
        assert '<img alt="sub1 Logo"' in r, r
        r = g.markdown_wiki.convert('[[projects labels=root]]')
        assert '<img alt="test Logo"' in r, r
        assert '<img alt="sub1 Logo"' not in r, r
        r = g.markdown_wiki.convert('[[projects labels=sub1]]')
        assert '<img alt="test Logo"' not in r, r
        assert '<img alt="sub1 Logo"' in r, r
        r = g.markdown_wiki.convert('[[projects labels=test]]')
        assert '<img alt="test Logo"' in r, r
        assert '<img alt="sub1 Logo"' in r, r
        r = g.markdown_wiki.convert('[[projects labels=test,root]]')
        assert '<img alt="test Logo"' in r, r
        assert '<img alt="sub1 Logo"' not in r, r
        r = g.markdown_wiki.convert('[[projects labels=test,sub1]]')
        assert '<img alt="test Logo"' not in r, r
        assert '<img alt="sub1 Logo"' in r, r
        r = g.markdown_wiki.convert('[[projects labels=root|sub1]]')
        assert '<img alt="test Logo"' in r, r
        assert '<img alt="sub1 Logo"' in r, r
        r = g.markdown_wiki.convert('[[projects labels=test,root|root,sub1]]')
        assert '<img alt="test Logo"' in r, r
        assert '<img alt="sub1 Logo"' not in r, r
        r = g.markdown_wiki.convert('[[projects labels=test,root|test,sub1]]')
        assert '<img alt="test Logo"' in r, r
        assert '<img alt="sub1 Logo"' in r, r
        r = g.markdown_wiki.convert('[[projects show_total=True sort=random]]')
        assert '<p class="macro_projects_total">3 Projects</p>' in r, r
        r = g.markdown_wiki.convert('[[projects show_total=True private=True sort=random]]')
        assert '<p class="macro_projects_total">1 Projects</p>' in r, r
        assert '<img alt="test2 Logo"' in r, r
        assert '<img alt="test Logo"' not in r, r
        assert '<img alt="sub1 Logo"' not in r, r

    r = g.markdown_wiki.convert('[[project_admins]]')
    assert r == '<div class="markdown_content"><p><a href="/u/test-admin/">Test Admin</a><br /></p></div>'
    r = g.markdown_wiki.convert('[[download_button]]')
    assert_equal(r, '<div class="markdown_content"><p><span class="download-button-%s" style="margin-bottom: 1em; display: block;"></span></p></div>' % p_test._id)
    h.set_context('--init--', 'wiki', neighborhood='Projects')
    r = g.markdown_wiki.convert('[[neighborhood_feeds tool_name=Wiki]]')
    assert 'WikiPage Home modified by' in r, r
    orig_len = len(r)
    # Make project private & verify we don't see its new feed items
    proj = M.Project.query.get(shortname='test', neighborhood_id=p_nbhd._id)
    c.user = M.User.anonymous()
    proj.acl.insert(0, M.ACE.deny(
            c.user.project_role(proj)._id, 'read'))
    ThreadLocalORMSession.flush_all()
    pg = WM.Page.query.get(title='Home', app_config_id=c.app.config._id)
    pg.text = 'Change'
    pg.commit()
    r = g.markdown_wiki.convert('[[neighborhood_feeds tool_name=Wiki]]')
    new_len = len(r)
    assert new_len == orig_len
    p = BM.BlogPost(title='test me', neighborhood_id=p_test.neighborhood_id)
    p.text = 'test content'
    p.state = 'published'
    p.make_slug()
    p.commit()
    ThreadLocalORMSession.flush_all()
    r = g.markdown_wiki.convert('[[neighborhood_blog_posts]]')
    assert 'test content' in r

@with_setup(setUp)
def test_markdown():
    'Just a test to get coverage in our markdown extension'
    h.set_context('test', 'wiki', neighborhood='Projects')
    assert '<a href=' in g.markdown.convert('# Foo!\n[Home]')
    assert '<a href=' not in g.markdown.convert('# Foo!\n[Rooted]')
    assert '<a href=' in g.markdown.convert('This is http://sf.net')
    tgt = 'http://everything2.com/?node=nate+oostendorp'
    url = '/nf/redirect/?path=%s' % quote(tgt)
    s = g.markdown.convert('This is %s' % tgt)
    assert s == '<div class="markdown_content"><p>This is <a href="%s" rel="nofollow">%s</a></p></div>' % (url, tgt), s
    assert '<a href=' in g.markdown.convert('This is http://sf.net')
    # assert '<a href=' in g.markdown_wiki.convert('This is a WikiPage')
    # assert '<a href=' not in g.markdown_wiki.convert('This is a WIKIPAGE')
    assert '<br' in g.markdown.convert('Multi\nLine'), g.markdown.convert('Multi\nLine')
    assert '<br' not in g.markdown.convert('Multi\n\nLine')
    r = g.markdown.convert('[[projects]]')
    assert '[[projects]]' in r, r
    with h.push_context(M.Neighborhood.query.get(name='Projects').neighborhood_project._id):
        r = g.markdown_wiki.convert('[[projects]]')
        assert '<div class="border card">' in r, r
    r = g.markdown.convert('[[include ref=Home id=foo]]')
    assert '<div id="foo">' in r, r
    assert 'href="../foo"' in g.markdown.convert('[My foo](foo)')
    assert 'href="..' not in g.markdown.convert('[My foo](./foo)')
    h.set_context('--init--', 'wiki', neighborhood='Projects')
    r = g.markdown_wiki.convert('[[neighborhood_feeds tool_name=Wiki]]')
    assert 'WikiPage Home modified by Test Admin' in r, r
    g.markdown.convert("<class 'foo'>") # should not raise an exception
    assert '<br>' not in g.markdown.convert('''# Header

Some text in a regular paragraph

    :::python
    for i in range(10):
        print i
''')
    assert 'http://localhost/' in  g.forge_markdown(email=True).convert('[Home]')
    assert 'class="codehilite"' in g.markdown.convert('''
~~~~
def foo(): pass
~~~~''')

@with_setup(setUp)
def test_sort_alpha():
    p_nbhd = M.Neighborhood.query.get(name='Projects')

    with h.push_context(p_nbhd.neighborhood_project._id):
        r = g.markdown_wiki.convert('[[projects sort=alpha]]')
        project_list = get_project_names(r)
        assert project_list == sorted(project_list)

@with_setup(setUp)
def test_sort_registered():
    p_nbhd = M.Neighborhood.query.get(name='Projects')

    with h.push_context(p_nbhd.neighborhood_project._id):
        r = g.markdown_wiki.convert('[[projects sort=last_registered]]')
        project_names = get_project_names(r)
        ids = get_projects_property_in_the_same_order(project_names, '_id')
        assert ids == sorted(ids, reverse=True)

@with_setup(setUp)
def test_sort_updated():
    p_nbhd = M.Neighborhood.query.get(name='Projects')

    with h.push_context(p_nbhd.neighborhood_project._id):
        r = g.markdown_wiki.convert('[[projects sort=last_updated]]')
        project_names = get_project_names(r)
        updated_at = get_projects_property_in_the_same_order(project_names, 'last_updated')
        assert updated_at == sorted(updated_at, reverse=True)

@with_setup(setUp)
def test_filtering():
    # set up for test
    from random import choice
    trove_count = M.TroveCategory.query.find().count()
    random_trove = M.TroveCategory.query.get(trove_cat_id=choice(range(trove_count)) + 1)
    test_project = M.Project.query.get(name='test')
    test_project_troves = getattr(test_project, 'trove_' + random_trove.type)
    test_project_troves.append(random_trove._id)
    ThreadLocalORMSession.flush_all()

    p_nbhd = M.Neighborhood.query.get(name='Projects')
    with h.push_context(p_nbhd.neighborhood_project._id):
        r = g.markdown_wiki.convert('[[projects category="%s"]]' % random_trove.fullpath)
        project_names = get_project_names(r)
        assert [test_project.name, ] == project_names

@with_setup(setUp)
def test_projects_macro():
    two_column_style = 'width: 330px;'

    p_nbhd = M.Neighborhood.query.get(name='Projects')
    with h.push_context(p_nbhd.neighborhood_project._id):
        # test columns
        r = g.markdown_wiki.convert('[[projects display_mode=list columns=2]]')
        assert two_column_style in r
        r = g.markdown_wiki.convert('[[projects display_mode=list columns=3]]')
        assert two_column_style not in r

        # test project icon
        r = g.markdown_wiki.convert('[[projects display_mode=list show_proj_icon=True]]')
        assert 'test Logo' in r
        r = g.markdown_wiki.convert('[[projects display_mode=list show_proj_icon=False]]')
        assert 'test Logo' not in r

        # test project download button
        r = g.markdown_wiki.convert('[[projects display_mode=list show_download_button=True]]')
        assert 'download-button' in r
        r = g.markdown_wiki.convert('[[projects display_mode=list show_download_button=False]]')
        assert 'download-button' not in r

@with_setup(setUp)
def test_myprojects_macro():
    h.set_context('u/%s' % (c.user.username), 'wiki', neighborhood='Users')
    r = g.markdown_wiki.convert('[[my_projects]]')
    for p in c.user.my_projects():
        if p.deleted or p.shortname == '--init--':
            continue
        proj_title = '<h2><a href="%s">%s</a></h2>' % (p.url(), p.name)
        assert proj_title in r

    h.set_context('u/test-user-1', 'wiki', neighborhood='Users')
    user = M.User.query.get(username='test-user-1')
    r = g.markdown_wiki.convert('[[my_projects]]')
    for p in user.my_projects():
        if p.deleted or p.shortname == '--init--':
            continue
        proj_title = '<h2><a href="%s">%s</a></h2>' % (p.url(), p.name)
        assert proj_title in r

@with_setup(setUp)
def test_hideawards_macro():
    p_nbhd = M.Neighborhood.query.get(name='Projects')

    app_config_id = ObjectId()
    tool_version = {'neighborhood': '0'}
    award = M.Award(app_config_id=app_config_id, tool_version=tool_version)
    award.short = u'Award short'
    award.full = u'Award full'
    award.created_by_neighborhood_id = p_nbhd._id

    project = M.Project.query.get(neighborhood_id=p_nbhd._id, name=u'test')

    award_grant = M.AwardGrant(award=award,
                               granted_by_neighborhood=p_nbhd,
                               granted_to_project=project)

    ThreadLocalORMSession.flush_all()

    with h.push_context(p_nbhd.neighborhood_project._id):
        r = g.markdown_wiki.convert('[[projects]]')
        assert '<div class="feature">Award short</div>' in r
        r = g.markdown_wiki.convert('[[projects show_awards_banner=False]]')
        assert '<div class="feature">Award short</div>' not in r

def get_project_names(r):
    """
    Extracts a list of project names from a wiki page HTML.
    """
    # projects short names are in h2 elements without any attributes
    # there is one more h2 element, but it has `class` attribute
    #re_proj_names = re.compile('<h2><a[^>]>(.+)<\/a><\/h2>')
    re_proj_names = re.compile('<h2><a[^>]+>(.+)<\/a><\/h2>')
    return [e for e in re_proj_names.findall(r)]

def get_projects_property_in_the_same_order(names, prop):
    """
    Returns a list of projects properties `prop` in the same order as
    project `names`.
    It is required because results of the query are not in the same order as names.
    """
    projects = M.Project.query.find(dict(name={'$in': names})).all()
    projects_dict = dict([(p['name'],p[prop]) for p in projects])
    return [projects_dict[name] for name in names]
