from __future__ import unicode_literals

import os
import pycountry

from django.conf import settings
from django.utils.translation import ugettext_lazy as _

from smart_settings import Namespace

# TODO: Findout method to make languages names' translatable.
# YAML fails to serialize ugettext_lazy and ugettext is not allowed at this level
LANGUAGE_CHOICES = [(i.bibliographic, i.name) for i in list(pycountry.languages)]

namespace = Namespace(name='documents', label=_('Documents'))
setting_storage_backend = namespace.add_setting(global_name='DOCUMENTS_STORAGE_BACKEND', default='storage.backends.filebasedstorage.FileBasedStorage')
setting_preview_size = namespace.add_setting(global_name='DOCUMENTS_PREVIEW_SIZE', default='640x480')
setting_print_size = namespace.add_setting(global_name='DOCUMENTS_PRINT_SIZE', default='3600')
setting_multipage_preview_size = namespace.add_setting(global_name='DOCUMENTS_MULTIPAGE_PREVIEW_SIZE', default='160x120')
setting_thumbnail_size = namespace.add_setting(global_name='DOCUMENTS_THUMBNAIL_SIZE', default='50x50')
setting_display_size = namespace.add_setting(global_name='DOCUMENTS_DISPLAY_SIZE', default='3600')
setting_recent_count = namespace.add_setting(global_name='DOCUMENTS_RECENT_COUNT', default=40, help_text=_('Maximum number of recent (created, edited, viewed) documents to remember per user.'))
setting_zoom_percent_step = namespace.add_setting(global_name='DOCUMENTS_ZOOM_PERCENT_STEP', default=25, help_text=_('Amount in percent zoom in or out a document page per user interaction.'))
setting_zoom_max_level = namespace.add_setting(global_name='DOCUMENTS_ZOOM_MAX_LEVEL', default=300, help_text=_('Maximum amount in percent (%) to allow user to zoom in a document page interactively.'))
setting_zoom_min_level = namespace.add_setting(global_name='DOCUMENTS_ZOOM_MIN_LEVEL', default=25, help_text=_('Minimum amount in percent (%) to allow user to zoom out a document page interactively.'))
setting_rotation_step = namespace.add_setting(global_name='DOCUMENTS_ROTATION_STEP', default=90, help_text=_('Amount in degrees to rotate a document page per user interaction.'))
setting_cache_path = namespace.add_setting(global_name='DOCUMENTS_CACHE_PATH', default=os.path.join(settings.MEDIA_ROOT, 'image_cache'), is_path=True)
setting_language = namespace.add_setting(global_name='DOCUMENTS_LANGUAGE', default='eng', help_text=_('Default documents language (in ISO639-2 format).'))
setting_language_choices = namespace.add_setting(global_name='DOCUMENTS_LANGUAGE_CHOICES', default=LANGUAGE_CHOICES, help_text=_('List of supported document languages.'))