from __future__ import absolute_import, unicode_literals

from django.utils.translation import ugettext_lazy as _

from converter.permissions import permission_transformation_delete
from navigation import Link

from .permissions import (
    permission_document_delete, permission_document_download,
    permission_document_properties_edit, permission_document_print,
    permission_document_restore, permission_document_tools,
    permission_document_version_revert, permission_document_view,
    permission_document_trash, permission_document_type_create,
    permission_document_type_delete, permission_document_type_edit,
    permission_document_type_view, permission_empty_trash
)
from .settings import setting_zoom_max_level, setting_zoom_min_level


def is_not_current_version(context):
    return context['object'].document.latest_version.timestamp != context['object'].timestamp


def is_first_page(context):
    return context['resolved_object'].page_number <= 1


def is_last_page(context):
    return context['resolved_object'].page_number >= context['resolved_object'].document_version.pages.count()


def is_max_zoom(context):
    return context['zoom'] >= setting_zoom_max_level.value


def is_min_zoom(context):
    return context['zoom'] <= setting_zoom_min_level.value


# Facet
link_document_preview = Link(permissions=[permission_document_view], text=_('Preview'), view='documents:document_preview', args='object.id')
link_document_properties = Link(permissions=[permission_document_view], text=_('Properties'), view='documents:document_properties', args='object.id')
link_document_version_list = Link(permissions=[permission_document_view], text=_('Versions'), view='documents:document_version_list', args='object.pk')
link_document_pages = Link(permissions=[permission_document_view], text=_('Pages'), view='documents:document_pages', args='resolved_object.pk')

# Actions
link_document_clear_transformations = Link(permissions=[permission_transformation_delete], text=_('Clear transformations'), view='documents:document_clear_transformations', args='object.id')
link_document_delete = Link(permissions=[permission_document_delete], tags='dangerous', text=_('Delete'), view='documents:document_delete', args='object.id')
link_document_trash = Link(permissions=[permission_document_trash], tags='dangerous', text=_('Move to trash'), view='documents:document_trash', args='object.id')
link_document_edit = Link(permissions=[permission_document_properties_edit], text=_('Edit properties'), view='documents:document_edit', args='object.id')
link_document_document_type_edit = Link(permissions=[permission_document_properties_edit], text=_('Change type'), view='documents:document_document_type_edit', args='object.id')
link_document_download = Link(permissions=[permission_document_download], text=_('Download'), view='documents:document_download', args='object.id')
link_document_print = Link(permissions=[permission_document_print], text=_('Print'), view='documents:document_print', args='object.id')
link_document_update_page_count = Link(permissions=[permission_document_tools], text=_('Reset page count'), view='documents:document_update_page_count', args='object.pk')
link_document_restore = Link(permissions=[permission_document_restore], text=_('Restore'), view='documents:document_restore', args='object.pk')
link_document_multiple_clear_transformations = Link(permissions=[permission_transformation_delete], text=_('Clear transformations'), view='documents:document_multiple_clear_transformations')
link_document_multiple_trash = Link(permissions=[permission_document_trash], tags='dangerous', text=_('Move to trash'), view='documents:document_multiple_trash')
link_document_multiple_delete = Link(permissions=[permission_document_delete], tags='dangerous', text=_('Delete'), view='documents:document_multiple_delete')
link_document_multiple_document_type_edit = Link(permissions=[permission_document_properties_edit], text=_('Change type'), view='documents:document_multiple_document_type_edit')
link_document_multiple_download = Link(permissions=[permission_document_download], text=_('Download'), view='documents:document_multiple_download')
link_document_multiple_update_page_count = Link(permissions=[permission_document_tools], text=_('Reset page count'), view='documents:document_multiple_update_page_count')
link_document_multiple_restore = Link(permissions=[permission_document_restore], text=_('Restore'), view='documents:document_multiple_restore')
link_document_version_download = Link(args='object.pk', permissions=[permission_document_download], text=_('Download'), view='documents:document_version_download')

# Views
link_document_list = Link(icon='fa fa-file', text=_('All documents'), view='documents:document_list')
link_document_list_recent = Link(icon='fa fa-clock-o', text=_('Recent documents'), view='documents:document_list_recent')
link_document_list_deleted = Link(icon='fa fa-trash', text=_('Trash'), view='documents:document_list_deleted')

# Tools
link_clear_image_cache = Link(
    icon='fa fa-file-image-o',
    description=_('Clear the graphics representations used to speed up the documents\' display and interactive transformations results.'),
    permissions=[permission_document_tools], text=_('Clear image cache'),
    view='documents:document_clear_image_cache'
)
link_trash_can_empty = Link(permissions=[permission_empty_trash], text=_('Empty trash'), view='documents:trash_can_empty')

# Document pages
link_document_page_navigation_first = Link(conditional_disable=is_first_page, icon='fa fa-step-backward', keep_query=True, permissions=[permission_document_view], text=_('First page'), view='documents:document_page_navigation_first', args='resolved_object.pk')
link_document_page_navigation_last = Link(conditional_disable=is_last_page, icon='fa fa-step-forward', keep_query=True, text=_('Last page'), permissions=[permission_document_view], view='documents:document_page_navigation_last', args='resolved_object.pk')
link_document_page_navigation_previous = Link(conditional_disable=is_first_page, icon='fa fa-arrow-left', keep_query=True, permissions=[permission_document_view], text=_('Previous page'), view='documents:document_page_navigation_previous', args='resolved_object.pk')
link_document_page_navigation_next = Link(conditional_disable=is_last_page, icon='fa fa-arrow-right', keep_query=True, text=_('Next page'), permissions=[permission_document_view], view='documents:document_page_navigation_next', args='resolved_object.pk')
link_document_page_return = Link(icon='fa fa-file', permissions=[permission_document_view], text=_('Document'), view='documents:document_preview', args='resolved_object.document.pk')
link_document_page_rotate_left = Link(icon='fa fa-rotate-left', permissions=[permission_document_view], text=_('Rotate left'), view='documents:document_page_rotate_left', args='resolved_object.pk')
link_document_page_rotate_right = Link(icon='fa fa-rotate-right', permissions=[permission_document_view], text=_('Rotate right'), view='documents:document_page_rotate_right', args='resolved_object.pk')
link_document_page_view = Link(permissions=[permission_document_view], text=_('Page image'), view='documents:document_page_view', args='resolved_object.pk')
link_document_page_view_reset = Link(permissions=[permission_document_view], text=_('Reset view'), view='documents:document_page_view_reset', args='resolved_object.pk')
link_document_page_zoom_in = Link(conditional_disable=is_max_zoom, icon='fa fa-search-plus', permissions=[permission_document_view], text=_('Zoom in'), view='documents:document_page_zoom_in', args='resolved_object.pk')
link_document_page_zoom_out = Link(conditional_disable=is_min_zoom, icon='fa fa-search-minus', permissions=[permission_document_view], text=_('Zoom out'), view='documents:document_page_zoom_out', args='resolved_object.pk')

# Document versions
link_document_version_revert = Link(condition=is_not_current_version, permissions=[permission_document_version_revert], tags='dangerous', text=_('Revert'), view='documents:document_version_revert', args='object.pk')

# Document type related links
link_document_type_create = Link(permissions=[permission_document_type_create], text=_('Create document type'), view='documents:document_type_create')
link_document_type_delete = Link(permissions=[permission_document_type_delete], tags='dangerous', text=_('Delete'), view='documents:document_type_delete', args='resolved_object.id')
link_document_type_edit = Link(permissions=[permission_document_type_edit], text=_('Edit'), view='documents:document_type_edit', args='resolved_object.id')
link_document_type_filename_create = Link(permissions=[permission_document_type_edit], text=_('Add filename to document type'), view='documents:document_type_filename_create', args='document_type.id')
link_document_type_filename_delete = Link(permissions=[permission_document_type_edit], tags='dangerous', text=_('Delete'), view='documents:document_type_filename_delete', args='resolved_object.id')
link_document_type_filename_edit = Link(permissions=[permission_document_type_edit], text=_('Edit'), view='documents:document_type_filename_edit', args='resolved_object.id')
link_document_type_filename_list = Link(permissions=[permission_document_type_view], text=_('Filenames'), view='documents:document_type_filename_list', args='resolved_object.id')
link_document_type_list = Link(permissions=[permission_document_type_view], text=_('Document types'), view='documents:document_type_list')
link_document_type_setup = Link(icon='fa fa-file', permissions=[permission_document_type_view], text=_('Document types'), view='documents:document_type_list')