from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseController, render

from rhodecode.lib.utils import EmptyChangeset

from rhodecode.model.hg import HgModel

from vcs.exceptions import RepositoryError, ChangesetError

from vcs.nodes import FileNode

from vcs.utils import diffs as differ

import logging

import rhodecode.lib.helpers as h

import tempfile

log = logging.getLogger(__name__)

class FilesController(BaseController):

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def __before__(self):

        super(FilesController, self).__before__()

        c.file_size_limit = 250 * 1024 #limit of file size to display

    def index(self, repo_name, revision, f_path):

        hg_model = HgModel()

        revision = request.POST.get('at_rev', None) or revision

        def get_next_rev(cur):

            max_rev = len(c.repo.revisions) - 1

            r = cur + 1

            if r > max_rev:

                r = max_rev

            return r

        def get_prev_rev(cur):

            r = cur - 1

            return r

        c.f_path = f_path

        try:

            cur_rev = c.changeset.revision

            c.url_prev = url('files_home', repo_name=c.repo_name,

                             revision=prev_rev, f_path=f_path)

            c.url_next = url('files_home', repo_name=c.repo_name,

                         revision=next_rev, f_path=f_path)

            try:

                c.files_list = c.changeset.get_node(f_path)

            except RepositoryError, e:

                h.flash(str(e), category='warning')

                redirect(h.url('files_home', repo_name=repo_name, revision=revision))

        except RepositoryError, e:

            h.flash(str(e), category='warning')

            redirect(h.url('files_home', repo_name=repo_name, revision='tip'))

        return render('files/files.html')

    def rawfile(self, repo_name, revision, f_path):

        hg_model = HgModel()

        c.repo = hg_model.get_repo(c.repo_name)

        file_node = c.repo.get_changeset(revision).get_node(f_path)

        response.content_type = file_node.mimetype

        response.content_disposition = 'attachment; filename=%s' \

                                                    % f_path.split('/')[-1]

        return file_node.content

    def raw(self, repo_name, revision, f_path):

        hg_model = HgModel()

        c.repo = hg_model.get_repo(c.repo_name)

        file_node = c.repo.get_changeset(revision).get_node(f_path)

        response.content_type = 'text/plain'

        return file_node.content

    def annotate(self, repo_name, revision, f_path):

        hg_model = HgModel()

        c.repo = hg_model.get_repo(c.repo_name)

        c.f_path = f_path

        return render('files/files_annotate.html')

    def archivefile(self, repo_name, revision, fileformat):

        archive_specs = {

          '.tar.bz2': ('application/x-tar', 'tbz2'),

          '.tar.gz': ('application/x-tar', 'tgz'),

          '.zip': ('application/zip', 'zip'),

        }

        if not archive_specs.has_key(fileformat):

            return 'Unknown archive type %s' % fileformat

        def read_in_chunks(file_object, chunk_size=1024 * 40):

            """Lazy function (generator) to read a file piece by piece.

            Default chunk size: 40k."""

            while True:

                data = file_object.read(chunk_size)

                if not data:

                    break

                yield data

        archive = tempfile.TemporaryFile()

        repo = HgModel().get_repo(repo_name).repo

            if diff2 not in ['', None, 'None', '0' * 12, '0' * 40]:

                c.changeset_2 = c.repo.get_changeset(diff2)

                node2 = c.changeset_2.get_node(f_path)

            else:

                c.changeset_2 = EmptyChangeset()

                node2 = FileNode('.', '', changeset=c.changeset_2)

        except RepositoryError:

            return redirect(url('files_home',

                                repo_name=c.repo_name, f_path=f_path))

        f_udiff = differ.get_udiff(node1, node2)

        diff = differ.DiffProcessor(f_udiff)

        if c.action == 'download':

            diff_name = '%s_vs_%s.diff' % (diff1, diff2)

            response.content_type = 'text/plain'

            response.content_disposition = 'attachment; filename=%s' \

                                                    % diff_name

            return diff.raw_diff()

        elif c.action == 'raw':

            response.content_type = 'text/plain'

            return diff.raw_diff()

        elif c.action == 'diff':

            if node1.size > c.file_size_limit or node2.size > c.file_size_limit:

                c.cur_diff = _('Diff is to big to display')

            else:

                c.cur_diff = diff.as_html()

        else:

            #default option

            if node1.size > c.file_size_limit or node2.size > c.file_size_limit:

                c.cur_diff = _('Diff is to big to display')

            else:

                c.cur_diff = diff.as_html()

        if not c.cur_diff: c.no_changes = True

        return render('files/file_diff.html')

    def _get_history(self, repo, node, f_path):

        from vcs.nodes import NodeKind

        if not node.kind is NodeKind.FILE:

            return []

        changesets = node.history

        hist_l = []

        for chs in changesets:

            n_desc = 'r%s:%s' % (chs.revision, chs.short_id)

            hist_l.append((chs.raw_id, n_desc,))

    if not ret:

        raise Exception('Could not get application ui settings !')

    settings = {}

    for each in ret:

        k = each.ui_key

        v = each.ui_value

        if k == '/':

            k = 'root_path'

        if k.find('.') != -1:

            k = k.replace('.', '_')

        if each.ui_section == 'hooks':

            v = each.ui_active

        settings[each.ui_section + '_' + k] = v

    return settings

@task

@locked_task

def whoosh_index(repo_location, full_index):

    log = whoosh_index.get_logger()

    from rhodecode.lib.indexers.daemon import WhooshIndexingDaemon

@task

@locked_task

def get_commits_stats(repo_name, ts_min_y, ts_max_y):

    from rhodecode.model.db import Statistics, Repository

    log = get_commits_stats.get_logger()

    author_key_cleaner = lambda k: person(k).replace('"', "") #for js data compatibilty

    commits_by_day_author_aggregate = {}

    commits_by_day_aggregate = {}

    repos_path = get_hg_ui_settings()['paths_root_path']

    p = os.path.join(repos_path, repo_name)

    repo = get_repo(p)

    skip_date_limit = True

    parse_limit = 250 #limit for single task changeset parsing optimal for

    last_rev = 0

    last_cs = None

    timegetter = itemgetter('time')

    sa = get_session()

    dbrepo = sa.query(Repository)\

        .filter(Repository.repo_name == repo_name).scalar()

        #generate 10k nice web friendly colors in the same order

        for c in xrange(n):

            h += golden_ratio

            h %= 1

            HSV_tuple = [h, 0.95, 0.95]

            RGB_tuple = colorsys.hsv_to_rgb(*HSV_tuple)

            yield map(lambda x:str(int(x * 256)), RGB_tuple)

    cgenerator = gen_color()

    def get_color_string(cs):

        if color_dict.has_key(cs):

            col = color_dict[cs]

        else:

            col = color_dict[cs] = cgenerator.next()

        return "color: rgb(%s)! important;" % (', '.join(col))

    def url_func(changeset):

        tooltip_html = "<div style='font-size:0.8em'><b>Author:</b>" + \

        " %s<br/><b>Date:</b> %s</b><br/><b>Message:</b> %s<br/></div>"

        tooltip_html = tooltip_html % (changeset.author,

                                               changeset.date,

                                               tooltip(changeset.message))

        uri = link_to(

                lnk_format,

                url('changeset_home', repo_name=changeset.repository.name,

                    revision=changeset.raw_id),

                style=get_color_string(changeset.raw_id),

                class_='tooltip',

                tooltip_title=tooltip_html

              )

        uri += '\n'

        return uri

    return literal(annotate_highlight(filenode, url_func, **kwargs))

def repo_name_slug(value):

    """Return slug of name of repository

    This function is called on each creation/modification

    of repository to prevent bad names in repo

    """

    slug = remove_formatting(value)

    slug = strip_tags(slug)

    for c in """=[]\;'"<>,/~!@#$%^&*()+{}|: """:

        slug = slug.replace(c, '-')

    slug = recursive_replace(slug, '-')

from rhodecode.lib.indexers import INDEX_EXTENSIONS, SCHEMA, IDX_NAME

from time import mktime

from vcs.exceptions import ChangesetError, RepositoryError

import logging

log = logging.getLogger('whooshIndexer')

# create logger

log.setLevel(logging.DEBUG)

log.propagate = False

# create console handler and set level to debug

ch = logging.StreamHandler()

ch.setLevel(logging.DEBUG)

# create formatter

formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")

# add formatter to ch

ch.setFormatter(formatter)

# add ch to logger

log.addHandler(ch)

class WhooshIndexingDaemon(object):

    """

    Deamon for atomic jobs

    """

    def __init__(self, indexname='HG_INDEX', index_location=None,

                 repo_location=None):

        self.indexname = indexname

        self.index_location = index_location

        if not index_location:

            raise Exception('You have to provide index location')

        self.repo_location = repo_location

        if not repo_location:

            raise Exception('You have to provide repositories location')

        self.repo_paths = HgModel.repo_scan('/', self.repo_location, None, True)

        self.initial = False

        if not os.path.isdir(self.index_location):

            os.mkdir(self.index_location)

            log.info('Cannot run incremental index since it does not'