# Copyright (c) 2006-2018  Andrey Golovigin
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

from __future__ import unicode_literals


class FormattedEntry(object):
    """Formatted bibliography entry. Consists of
    - key (which is used for sorting);
    - label (which appears in the resulting bibliography)
    - text (usually RichText)
    """
    def __init__(self, key, text, label=None):
        self.key = key
        self.text = text
        self.label = label


class FormattedBibliography(object):
    def __init__(self, entries, style, preamble=''):
        self.entries = list(entries)
        self.style = style
        self.preamble = preamble

    def __iter__(self):
        return iter(self.entries)

    def get_longest_label(self):
        label_style = self.style.label_style
        return label_style.get_longest_label(self.entries)
