from __future__ import absolute_import, unicode_literals

from django.utils.translation import ugettext_lazy as _

from mayan.apps.converter.permissions import (
    permission_transformation_delete, permission_transformation_edit
)
from mayan.apps.navigation import Link

from .icons import (
    icon_clear_image_cache, icon_document_duplicates_list, icon_document_list,
    icon_document_list_favorites,
    icon_document_list_recent_access, icon_document_list_recent_added,
    icon_trashed_document_delete, icon_document_download, icon_document_edit,
    icon_document_favorites_add, icon_document_favorites_remove,
    icon_document_page_navigation_first,
    icon_document_page_navigation_last,
    icon_document_page_navigation_next, icon_document_page_navigation_previous,
    icon_document_page_return, icon_document_page_rotate_left,
    icon_document_page_rotate_right, icon_document_page_view,
    icon_document_page_view_reset, icon_document_page_zoom_in,
    icon_document_page_zoom_out, icon_document_pages, icon_document_preview,
    icon_document_print, icon_document_properties, icon_trashed_document_restore,
    icon_document_trash, icon_document_type_create,
    icon_document_type_delete, icon_document_type_edit,
    icon_document_type_filename, icon_document_type_filename_create,
    icon_document_type_list, icon_document_type_setup,
    icon_document_version_download,
    icon_document_version_list, icon_document_version_return_document,
    icon_document_version_return_list, icon_document_version_view,
    icon_duplicated_document_list, icon_duplicated_document_scan,
    icon_trash_can_empty,
    icon_trashed_document_list,
    icon_trashed_document_multiple_delete,
    icon_trashed_document_multiple_restore,
)
from .permissions import (
    permission_document_download, permission_document_print,
    permission_document_properties_edit, permission_document_tools,
    permission_document_trash, permission_document_type_create,
    permission_document_type_delete, permission_document_type_edit,
    permission_document_type_view, permission_document_version_revert,
    permission_document_version_view, permission_document_view,
    permission_empty_trash, permission_trashed_document_delete,
    permission_trashed_document_restore
)
from .settings import setting_zoom_max_level, setting_zoom_min_level


def is_not_current_version(context):
    # Use the 'object' key when the document version is an object in a list,
    # such as when showing the version list view and use the 'resolved_object'
    # when the document version is the context object, such as when showing the
    # signatures list of a documern version. This can be fixed by updating
    # the navigations app object resolution logic to use 'resolved_object' even
    # for objects in a list.
    document_version = context.get('object', context['resolved_object'])
    return document_version.document.latest_version.timestamp != document_version.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(
    icon_class=icon_document_preview,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_view, text=_('Preview'),
    view='documents:document_preview'
)
link_document_properties = Link(
    icon_class=icon_document_properties,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_view, text=_('Properties'),
    view='documents:document_properties'
)
link_document_version_list = Link(
    icon_class=icon_document_version_list,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_version_view, text=_('Versions'),
    view='documents:document_version_list'
)
link_document_pages = Link(
    icon_class=icon_document_pages,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_view, text=_('Pages'),
    view='documents:document_pages'
)

# Actions
link_document_favorites_add = Link(
    icon_class=icon_document_favorites_add,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_view, text=_('Add to favorites'),
    view='documents:document_add_to_favorites'
)
link_document_favorites_remove = Link(
    icon_class=icon_document_favorites_remove,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_view, text=_('Remove from favorites'),
    view='documents:document_remove_from_favorites'
)
link_document_edit = Link(
    icon_class=icon_document_edit,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_properties_edit,
    text=_('Edit properties'), view='documents:document_edit'
)
link_document_change_type = Link(
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_properties_edit, text=_('Change type'),
    view='documents:document_change_type'
)
link_document_download = Link(
    icon_class=icon_document_download,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_download, text=_('Advanced download'),
    view='documents:document_download_form'
)
link_document_multiple_transformations_clear = Link(
    permission=permission_transformation_delete,
    text=_('Clear transformations'),
    view='documents:document_multiple_transformations_clear'
)
link_document_multiple_trash = Link(
    tags='dangerous', text=_('Move to trash'),
    view='documents:document_multiple_trash'
)
link_document_multiple_favorites_add = Link(
    text=_('Add to favorites'),
    view='documents:document_multiple_add_to_favorites'
)
link_document_multiple_favorites_remove = Link(
    text=_('Remove from favorites'),
    view='documents:document_multiple_remove_from_favorites'
)
link_document_multiple_change_type = Link(
    text=_('Change type'),
    view='documents:document_multiple_change_type'
)
link_document_multiple_download = Link(
    text=_('Advanced download'),
    view='documents:document_multiple_download_form'
)
link_document_multiple_update_page_count = Link(
    text=_('Recalculate page count'),
    view='documents:document_multiple_update_page_count'
)
link_document_print = Link(
    icon_class=icon_document_print,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_print, text=_('Print'),
    view='documents:document_print'
)
link_document_quick_download = Link(
    permission=permission_document_download,
    kwargs={'document_id': 'resolved_object.id'},
    text=_('Quick download'), view='documents:document_download'
)
link_document_transformations_clear = Link(
    permission=permission_transformation_delete,
    kwargs={'document_id': 'resolved_object.id'},
    text=_('Clear transformations'),
    view='documents:document_transformations_clear'
)
link_document_transformations_clone = Link(
    permission=permission_transformation_edit,
    kwargs={'document_id': 'resolved_object.id'},
    text=_('Clone transformations'),
    view='documents:document_transformations_clone'
)
link_document_trash = Link(
    icon_class=icon_document_trash,
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_trash, tags='dangerous',
    text=_('Move to trash'), view='documents:document_trash'
)
link_document_update_page_count = Link(
    kwargs={'document_id': 'resolved_object.id'},
    permission=permission_document_tools,
    text=_('Recalculate page count'),
    view='documents:document_update_page_count'
)
link_trashed_document_delete = Link(
    icon_class=icon_trashed_document_delete,
    kwargs={'trashed_document_id': 'resolved_object.id'},
    permission=permission_trashed_document_delete, tags='dangerous',
    text=_('Delete'), view='documents:trashed_document_delete'
)
link_trashed_document_list = Link(
    icon_class=icon_trashed_document_list, text=_('Trash can'),
    view='documents:trashed_document_list'
)
link_trashed_document_restore = Link(
    icon_class=icon_trashed_document_restore,
    kwargs={'trashed_document_id': 'resolved_object.id'},
    permission=permission_trashed_document_restore, text=_('Restore'),
    view='documents:trashed_document_restore'
)
link_trashed_document_multiple_delete = Link(
    icon_class=icon_trashed_document_multiple_delete, tags='dangerous',
    text=_('Delete'), view='documents:trashed_document_multiple_delete'
)
link_trashed_document_multiple_restore = Link(
    icon_class=icon_trashed_document_multiple_restore, text=_('Restore'),
    view='documents:trashed_document_multiple_restore'
)

# Versions
link_document_version_download = Link(
    icon_class=icon_document_version_download,
    kwargs={'document_version_id': 'resolved_object.pk'},
    permission=permission_document_download, text=_('Download version'),
    view='documents:document_version_download_form'
)
link_document_version_return_document = Link(
    icon_class=icon_document_version_return_document,
    kwargs={'document_id': 'resolved_object.document.pk'},
    permission=permission_document_view, text=_('Document'),
    view='documents:document_preview'
)
link_document_version_return_list = Link(
    icon_class=icon_document_version_return_list,
    kwargs={'document_id': 'resolved_object.document.pk'},
    permission=permission_document_version_view, text=_('Versions'),
    view='documents:document_version_list'
)
link_document_version_view = Link(
    icon_class=icon_document_version_view,
    kwargs={'document_version_id': 'resolved_object.pk'},
    permission=permission_document_version_view, text=_('Preview'),
    view='documents:document_version_view'
)

# Views
link_document_list = Link(
    icon_class=icon_document_list, text=_('All documents'),
    view='documents:document_list'
)
link_document_list_favorites = Link(
    icon_class=icon_document_list_favorites, text=_('Favorites'),
    view='documents:document_list_favorites'
)
link_document_list_recent_access = Link(
    icon_class=icon_document_list_recent_access, text=_('Recently accessed'),
    view='documents:document_list_recent_access'
)
link_document_list_recent_added = Link(
    icon_class=icon_document_list_recent_added, text=_('Recently added'),
    view='documents:document_list_recent_added'
)

# Tools
link_clear_image_cache = Link(
    icon_class=icon_clear_image_cache,
    description=_(
        'Clear the graphics representations used to speed up the documents\' '
        'display and interactive transformations results.'
    ), permission=permission_document_tools,
    text=_('Clear document image cache'),
    view='documents:document_clear_image_cache'
)
link_trash_can_empty = Link(
    icon_class=icon_trash_can_empty, permission=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_class=icon_document_page_navigation_first, keep_query=True,
    kwargs={'document_page_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('First page'),
    view='documents:document_page_navigation_first'
)
link_document_page_navigation_last = Link(
    conditional_disable=is_last_page,
    icon_class=icon_document_page_navigation_last, keep_query=True,
    kwargs={'document_page_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('Last page'),
    view='documents:document_page_navigation_last'
)
link_document_page_navigation_previous = Link(
    conditional_disable=is_first_page,
    icon_class=icon_document_page_navigation_previous, keep_query=True,
    kwargs={'document_page_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('Previous page'),
    view='documents:document_page_navigation_previous'
)
link_document_page_navigation_next = Link(
    conditional_disable=is_last_page,
    icon_class=icon_document_page_navigation_next, keep_query=True,
    kwargs={'document_page_id': 'resolved_object.pk'}, text=_('Next page'),
    permission=permission_document_view,
    view='documents:document_page_navigation_next'
)
link_document_page_return = Link(
    icon_class=icon_document_page_return,
    kwargs={'document_id': 'resolved_object.document.pk'},
    permission=permission_document_view, text=_('Document'),
    view='documents:document_preview'
)
link_document_page_rotate_left = Link(
    icon_class=icon_document_page_rotate_left, keep_query=True,
    kwargs={'document_page_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('Rotate left'),
    view='documents:document_page_rotate_left'
)
link_document_page_rotate_right = Link(
    icon_class=icon_document_page_rotate_right, keep_query=True,
    kwargs={'document_page_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('Rotate right'),
    view='documents:document_page_rotate_right'
)
link_document_page_view = Link(
    icon_class=icon_document_page_view,
    kwargs={'document_page_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('Page image'),
    view='documents:document_page_view'
)
link_document_page_view_reset = Link(
    icon_class=icon_document_page_view_reset,
    kwargs={'document_page_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('Reset view'),
    view='documents:document_page_view_reset'
)
link_document_page_zoom_in = Link(
    conditional_disable=is_max_zoom, icon_class=icon_document_page_zoom_in,
    keep_query=True, kwargs={'document_page_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('Zoom in'),
    view='documents:document_page_zoom_in'
)
link_document_page_zoom_out = Link(
    conditional_disable=is_min_zoom, icon_class=icon_document_page_zoom_out,
    keep_query=True, kwargs={'document_page_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('Zoom out'),
    view='documents:document_page_zoom_out'
)

# Document versions
link_document_version_revert = Link(
    condition=is_not_current_version,
    kwargs={'document_version_id': 'object.pk'},
    permission=permission_document_version_revert, tags='dangerous',
    text=_('Revert'), view='documents:document_version_revert'
)

# Document type related links
link_document_type_create = Link(
    icon_class=icon_document_type_create,
    permission=permission_document_type_create,
    text=_('Create document type'), view='documents:document_type_create'
)
link_document_type_delete = Link(
    icon_class=icon_document_type_delete,
    kwargs={'document_type_id': 'resolved_object.pk'},
    permission=permission_document_type_delete, tags='dangerous',
    text=_('Delete'), view='documents:document_type_delete'
)
link_document_type_edit = Link(
    icon_class=icon_document_type_edit,
    kwargs={'document_type_id': 'resolved_object.pk'},
    permission=permission_document_type_edit, text=_('Edit'),
    view='documents:document_type_edit'
)
link_document_type_filename_create = Link(
    icon_class=icon_document_type_filename_create,
    kwargs={'document_type_id': 'resolved_object.pk'},
    permission=permission_document_type_edit,
    text=_('Add quick label to document type'),
    view='documents:document_type_filename_create'
)
link_document_type_filename_delete = Link(
    kwargs={'filename_id': 'resolved_object.pk'},
    permission=permission_document_type_edit,
    tags='dangerous', text=_('Delete'),
    view='documents:document_type_filename_delete'
)
link_document_type_filename_edit = Link(
    kwargs={'filename_id': 'resolved_object.pk'},
    permission=permission_document_type_edit,
    text=_('Edit'), view='documents:document_type_filename_edit'
)
link_document_type_filename_list = Link(
    icon_class=icon_document_type_filename,
    kwargs={'document_type_id': 'resolved_object.pk'},
    permission=permission_document_type_view, text=_('Quick labels'),
    view='documents:document_type_filename_list'
)
link_document_type_list = Link(
    icon_class=icon_document_type_list,
    permission=permission_document_type_view, text=_('Document types'),
    view='documents:document_type_list'
)
link_document_type_setup = Link(
    icon_class=icon_document_type_setup,
    permission=permission_document_type_view, text=_('Document types'),
    view='documents:document_type_list'
)
link_duplicated_document_list = Link(
    icon_class=icon_duplicated_document_list, text=_('Duplicated documents'),
    view='documents:duplicated_document_list'
)
link_document_duplicates_list = Link(
    icon_class=icon_document_duplicates_list,
    kwargs={'document_id': 'resolved_object.pk'},
    permission=permission_document_view, text=_('Duplicates'),
    view='documents:document_duplicates_list'
)
link_duplicated_document_scan = Link(
    icon_class=icon_duplicated_document_scan,
    permission=permission_document_tools, text=_('Duplicated document scan'),
    view='documents:duplicated_document_scan'
)