from django.conf import settings
from django.contrib.auth.models import Permission
from django.urls import reverse
from django.utils.http import urlencode
from django.utils.translation import gettext
from django.utils.translation import gettext_lazy as _
from draftjs_exporter.dom import DOM

import wagtail.admin.rich_text.editors.draftail.features as draftail_features
from wagtail import __version__, hooks
from wagtail.admin.admin_url_finder import (
    ModelAdminURLFinder,
    register_admin_url_finder,
)
from wagtail.admin.auth import user_has_any_page_permission
from wagtail.admin.forms.collections import GroupCollectionManagementPermissionFormSet
from wagtail.admin.menu import MenuItem, SubmenuMenuItem, reports_menu, settings_menu
from wagtail.admin.navigation import get_explorable_root_page
from wagtail.admin.rich_text.converters.contentstate import link_entity
from wagtail.admin.rich_text.converters.editor_html import (
    LinkTypeRule,
    PageLinkHandler,
    WhitelistRule,
)
from wagtail.admin.rich_text.converters.html_to_contentstate import (
    BlockElementHandler,
    ExternalLinkElementHandler,
    HorizontalRuleHandler,
    InlineStyleElementHandler,
    ListElementHandler,
    ListItemElementHandler,
    PageLinkElementHandler,
)
from wagtail.admin.search import SearchArea
from wagtail.admin.site_summary import PagesSummaryItem
from wagtail.admin.ui.sidebar import (
    PageExplorerMenuItem as PageExplorerMenuItemComponent,
)
from wagtail.admin.ui.sidebar import SubMenuItem as SubMenuItemComponent
from wagtail.admin.views.pages.bulk_actions import (
    DeleteBulkAction,
    MoveBulkAction,
    PublishBulkAction,
    UnpublishBulkAction,
)
from wagtail.admin.viewsets import viewsets
from wagtail.admin.widgets import Button, ButtonWithDropdownFromHook, PageListingButton
from wagtail.models import Collection, Page, Task, UserPagePermissionsProxy, Workflow
from wagtail.permissions import (
    collection_permission_policy,
    task_permission_policy,
    workflow_permission_policy,
)
from wagtail.whitelist import allow_without_attributes, attribute_rule, check_url


class ExplorerMenuItem(MenuItem):
    template = "wagtailadmin/shared/explorer_menu_item.html"

    def is_shown(self, request):
        return user_has_any_page_permission(request.user)

    def get_context(self, request):
        context = super().get_context(request)
        start_page = get_explorable_root_page(request.user)

        if start_page:
            context["start_page_id"] = start_page.id

        return context

    def render_component(self, request):
        start_page = get_explorable_root_page(request.user)

        if start_page:
            return PageExplorerMenuItemComponent(
                self.name,
                self.label,
                self.url,
                start_page.id,
                icon_name=self.icon_name,
                classnames=self.classnames,
            )
        else:
            return super().render_component(request)


@hooks.register("register_admin_menu_item")
def register_explorer_menu_item():
    return ExplorerMenuItem(
        _("Pages"),
        reverse("wagtailadmin_explore_root"),
        name="explorer",
        icon_name="folder-open-inverse",
        order=100,
    )


class SettingsMenuItem(SubmenuMenuItem):
    template = "wagtailadmin/shared/menu_settings_menu_item.html"

    def render_component(self, request):
        return SubMenuItemComponent(
            self.name,
            self.label,
            self.menu.render_component(request),
            icon_name=self.icon_name,
            classnames=self.classnames,
            footer_text="Wagtail v." + __version__,
        )


@hooks.register("register_admin_menu_item")
def register_settings_menu():
    return SettingsMenuItem(_("Settings"), settings_menu, icon_name="cogs", order=10000)


@hooks.register("register_permissions")
def register_permissions():
    return Permission.objects.filter(
        content_type__app_label="wagtailadmin", codename="access_admin"
    )


class PageSearchArea(SearchArea):
    def __init__(self):
        super().__init__(
            _("Pages"),
            reverse("wagtailadmin_pages:search"),
            name="pages",
            icon_name="folder-open-inverse",
            order=100,
        )

    def is_shown(self, request):
        return user_has_any_page_permission(request.user)


@hooks.register("register_admin_search_area")
def register_pages_search_area():
    return PageSearchArea()


@hooks.register("register_group_permission_panel")
def register_collection_permissions_panel():
    return GroupCollectionManagementPermissionFormSet


class CollectionsMenuItem(MenuItem):
    def is_shown(self, request):
        return collection_permission_policy.user_has_any_permission(
            request.user, ["add", "change", "delete"]
        )


@hooks.register("register_settings_menu_item")
def register_collections_menu_item():
    return CollectionsMenuItem(
        _("Collections"),
        reverse("wagtailadmin_collections:index"),
        icon_name="folder-open-1",
        order=700,
    )


class WorkflowsMenuItem(MenuItem):
    def is_shown(self, request):
        if not getattr(settings, "WAGTAIL_WORKFLOW_ENABLED", True):
            return False

        return workflow_permission_policy.user_has_any_permission(
            request.user, ["add", "change", "delete"]
        )


class WorkflowTasksMenuItem(MenuItem):
    def is_shown(self, request):
        if not getattr(settings, "WAGTAIL_WORKFLOW_ENABLED", True):
            return False

        return task_permission_policy.user_has_any_permission(
            request.user, ["add", "change", "delete"]
        )


@hooks.register("register_settings_menu_item")
def register_workflows_menu_item():
    return WorkflowsMenuItem(
        _("Workflows"),
        reverse("wagtailadmin_workflows:index"),
        icon_name="tasks",
        order=100,
    )


@hooks.register("register_settings_menu_item")
def register_workflow_tasks_menu_item():
    return WorkflowTasksMenuItem(
        _("Workflow tasks"),
        reverse("wagtailadmin_workflows:task_index"),
        icon_name="thumbtack",
        order=150,
    )


@hooks.register("register_page_listing_buttons")
def page_listing_buttons(page, page_perms, is_parent=False, next_url=None):
    if page_perms.can_edit():
        yield PageListingButton(
            _("Edit"),
            reverse("wagtailadmin_pages:edit", args=[page.id]),
            attrs={
                "aria-label": _("Edit '%(title)s'")
                % {"title": page.get_admin_display_title()}
            },
            priority=10,
        )
    if page.has_unpublished_changes and page.is_previewable():
        yield PageListingButton(
            _("View draft"),
            reverse("wagtailadmin_pages:view_draft", args=[page.id]),
            attrs={
                "aria-label": _("Preview draft version of '%(title)s'")
                % {"title": page.get_admin_display_title()},
                "rel": "noreferrer",
            },
            priority=20,
        )
    if page.live and page.url:
        yield PageListingButton(
            _("View live"),
            page.url,
            attrs={
                "rel": "noreferrer",
                "aria-label": _("View live version of '%(title)s'")
                % {"title": page.get_admin_display_title()},
            },
            priority=30,
        )
    if page_perms.can_add_subpage():
        if is_parent:
            yield Button(
                _("Add child page"),
                reverse("wagtailadmin_pages:add_subpage", args=[page.id]),
                attrs={
                    "aria-label": _("Add a child page to '%(title)s' ")
                    % {"title": page.get_admin_display_title()},
                },
                classes={
                    "button",
                    "button-small",
                    "bicolor",
                    "icon",
                    "white",
                    "icon-plus",
                },
                priority=40,
            )
        else:
            yield PageListingButton(
                _("Add child page"),
                reverse("wagtailadmin_pages:add_subpage", args=[page.id]),
                attrs={
                    "aria-label": _("Add a child page to '%(title)s' ")
                    % {"title": page.get_admin_display_title()}
                },
                priority=40,
            )

    yield ButtonWithDropdownFromHook(
        _("More"),
        hook_name="register_page_listing_more_buttons",
        page=page,
        page_perms=page_perms,
        is_parent=is_parent,
        next_url=next_url,
        attrs={
            "target": "_blank",
            "rel": "noreferrer",
            "title": _("View more options for '%(title)s'")
            % {"title": page.get_admin_display_title()},
        },
        priority=50,
    )


@hooks.register("register_page_listing_more_buttons")
def page_listing_more_buttons(page, page_perms, is_parent=False, next_url=None):
    if page_perms.can_move():
        yield Button(
            _("Move"),
            reverse("wagtailadmin_pages:move", args=[page.id]),
            attrs={
                "title": _("Move page '%(title)s'")
                % {"title": page.get_admin_display_title()}
            },
            priority=10,
        )
    if page_perms.can_copy():
        url = reverse("wagtailadmin_pages:copy", args=[page.id])
        if next_url:
            url += "?" + urlencode({"next": next_url})

        yield Button(
            _("Copy"),
            url,
            attrs={
                "title": _("Copy page '%(title)s'")
                % {"title": page.get_admin_display_title()}
            },
            priority=20,
        )
    if page_perms.can_delete():
        url = reverse("wagtailadmin_pages:delete", args=[page.id])

        # After deleting the page, it is impossible to redirect to it.
        if next_url == reverse("wagtailadmin_explore", args=[page.id]):
            next_url = None

        if next_url:
            url += "?" + urlencode({"next": next_url})

        yield Button(
            _("Delete"),
            url,
            attrs={
                "title": _("Delete page '%(title)s'")
                % {"title": page.get_admin_display_title()}
            },
            priority=30,
        )
    if page_perms.can_unpublish():
        url = reverse("wagtailadmin_pages:unpublish", args=[page.id])
        if next_url:
            url += "?" + urlencode({"next": next_url})

        yield Button(
            _("Unpublish"),
            url,
            attrs={
                "title": _("Unpublish page '%(title)s'")
                % {"title": page.get_admin_display_title()}
            },
            priority=40,
        )
    if page_perms.can_view_revisions():
        yield Button(
            _("History"),
            reverse("wagtailadmin_pages:history", args=[page.id]),
            attrs={
                "title": _("View page history for '%(title)s'")
                % {"title": page.get_admin_display_title()}
            },
            priority=50,
        )

    if is_parent:
        yield Button(
            _("Sort menu order"),
            "?ordering=ord",
            attrs={
                "title": _("Change ordering of child pages of '%(title)s'")
                % {"title": page.get_admin_display_title()}
            },
            priority=60,
        )


@hooks.register("register_page_header_buttons")
def page_header_buttons(page, page_perms, next_url=None):
    if page_perms.can_move():
        yield Button(
            _("Move"),
            reverse("wagtailadmin_pages:move", args=[page.id]),
            attrs={
                "title": _("Move page '%(title)s'")
                % {"title": page.get_admin_display_title()}
            },
            priority=10,
        )
    if page_perms.can_copy():
        url = reverse("wagtailadmin_pages:copy", args=[page.id])
        if next_url:
            url += "?" + urlencode({"next": next_url})

        yield Button(
            _("Copy"),
            url,
            attrs={
                "title": _("Copy page '%(title)s'")
                % {"title": page.get_admin_display_title()}
            },
            priority=20,
        )
    if page_perms.can_add_subpage():
        yield Button(
            _("Add child page"),
            reverse("wagtailadmin_pages:add_subpage", args=[page.id]),
            attrs={
                "aria-label": _("Add a child page to '%(title)s' ")
                % {"title": page.get_admin_display_title()},
            },
            priority=30,
        )


@hooks.register("register_admin_urls")
def register_viewsets_urls():
    viewsets.populate()
    return viewsets.get_urlpatterns()


@hooks.register("register_rich_text_features")
def register_core_features(features):
    features.register_converter_rule(
        "editorhtml",
        "link",
        [
            WhitelistRule("a", attribute_rule({"href": check_url})),
            LinkTypeRule("page", PageLinkHandler),
        ],
    )

    features.register_converter_rule(
        "editorhtml",
        "bold",
        [
            WhitelistRule("b", allow_without_attributes),
            WhitelistRule("strong", allow_without_attributes),
        ],
    )

    features.register_converter_rule(
        "editorhtml",
        "italic",
        [
            WhitelistRule("i", allow_without_attributes),
            WhitelistRule("em", allow_without_attributes),
        ],
    )

    headings_elements = ["h1", "h2", "h3", "h4", "h5", "h6"]
    for order, element in enumerate(headings_elements):
        features.register_converter_rule(
            "editorhtml", element, [WhitelistRule(element, allow_without_attributes)]
        )

    features.register_converter_rule(
        "editorhtml",
        "ol",
        [
            WhitelistRule("ol", allow_without_attributes),
            WhitelistRule("li", allow_without_attributes),
        ],
    )

    features.register_converter_rule(
        "editorhtml",
        "ul",
        [
            WhitelistRule("ul", allow_without_attributes),
            WhitelistRule("li", allow_without_attributes),
        ],
    )

    # Draftail
    features.register_editor_plugin(
        "draftail", "hr", draftail_features.BooleanFeature("enableHorizontalRule")
    )
    features.register_converter_rule(
        "contentstate",
        "hr",
        {
            "from_database_format": {
                "hr": HorizontalRuleHandler(),
            },
            "to_database_format": {
                "entity_decorators": {
                    "HORIZONTAL_RULE": lambda props: DOM.create_element("hr")
                }
            },
        },
    )

    features.register_editor_plugin(
        "draftail",
        "h1",
        draftail_features.BlockFeature(
            {
                "label": "H1",
                "type": "header-one",
                "description": gettext("Heading %(level)d") % {"level": 1},
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "h1",
        {
            "from_database_format": {
                "h1": BlockElementHandler("header-one"),
            },
            "to_database_format": {"block_map": {"header-one": "h1"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "h2",
        draftail_features.BlockFeature(
            {
                "label": "H2",
                "type": "header-two",
                "description": gettext("Heading %(level)d") % {"level": 2},
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "h2",
        {
            "from_database_format": {
                "h2": BlockElementHandler("header-two"),
            },
            "to_database_format": {"block_map": {"header-two": "h2"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "h3",
        draftail_features.BlockFeature(
            {
                "label": "H3",
                "type": "header-three",
                "description": gettext("Heading %(level)d") % {"level": 3},
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "h3",
        {
            "from_database_format": {
                "h3": BlockElementHandler("header-three"),
            },
            "to_database_format": {"block_map": {"header-three": "h3"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "h4",
        draftail_features.BlockFeature(
            {
                "label": "H4",
                "type": "header-four",
                "description": gettext("Heading %(level)d") % {"level": 4},
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "h4",
        {
            "from_database_format": {
                "h4": BlockElementHandler("header-four"),
            },
            "to_database_format": {"block_map": {"header-four": "h4"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "h5",
        draftail_features.BlockFeature(
            {
                "label": "H5",
                "type": "header-five",
                "description": gettext("Heading %(level)d") % {"level": 5},
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "h5",
        {
            "from_database_format": {
                "h5": BlockElementHandler("header-five"),
            },
            "to_database_format": {"block_map": {"header-five": "h5"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "h6",
        draftail_features.BlockFeature(
            {
                "label": "H6",
                "type": "header-six",
                "description": gettext("Heading %(level)d") % {"level": 6},
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "h6",
        {
            "from_database_format": {
                "h6": BlockElementHandler("header-six"),
            },
            "to_database_format": {"block_map": {"header-six": "h6"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "ul",
        draftail_features.BlockFeature(
            {
                "type": "unordered-list-item",
                "icon": "list-ul",
                "description": gettext("Bulleted list"),
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "ul",
        {
            "from_database_format": {
                "ul": ListElementHandler("unordered-list-item"),
                "li": ListItemElementHandler(),
            },
            "to_database_format": {
                "block_map": {"unordered-list-item": {"element": "li", "wrapper": "ul"}}
            },
        },
    )
    features.register_editor_plugin(
        "draftail",
        "ol",
        draftail_features.BlockFeature(
            {
                "type": "ordered-list-item",
                "icon": "list-ol",
                "description": gettext("Numbered list"),
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "ol",
        {
            "from_database_format": {
                "ol": ListElementHandler("ordered-list-item"),
                "li": ListItemElementHandler(),
            },
            "to_database_format": {
                "block_map": {"ordered-list-item": {"element": "li", "wrapper": "ol"}}
            },
        },
    )
    features.register_editor_plugin(
        "draftail",
        "blockquote",
        draftail_features.BlockFeature(
            {
                "type": "blockquote",
                "icon": "openquote",
                "description": gettext("Blockquote"),
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "blockquote",
        {
            "from_database_format": {
                "blockquote": BlockElementHandler("blockquote"),
            },
            "to_database_format": {"block_map": {"blockquote": "blockquote"}},
        },
    )

    features.register_editor_plugin(
        "draftail",
        "bold",
        draftail_features.InlineStyleFeature(
            {
                "type": "BOLD",
                "icon": "bold",
                "description": gettext("Bold"),
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "bold",
        {
            "from_database_format": {
                "b": InlineStyleElementHandler("BOLD"),
                "strong": InlineStyleElementHandler("BOLD"),
            },
            "to_database_format": {"style_map": {"BOLD": "b"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "italic",
        draftail_features.InlineStyleFeature(
            {
                "type": "ITALIC",
                "icon": "italic",
                "description": gettext("Italic"),
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "italic",
        {
            "from_database_format": {
                "i": InlineStyleElementHandler("ITALIC"),
                "em": InlineStyleElementHandler("ITALIC"),
            },
            "to_database_format": {"style_map": {"ITALIC": "i"}},
        },
    )

    features.register_editor_plugin(
        "draftail",
        "link",
        draftail_features.EntityFeature(
            {
                "type": "LINK",
                "icon": "link",
                "description": gettext("Link"),
                # We want to enforce constraints on which links can be pasted into rich text.
                # Keep only the attributes Wagtail needs.
                "attributes": ["url", "id", "parentId"],
                "whitelist": {
                    # Keep pasted links with http/https protocol, and not-pasted links (href = undefined).
                    "href": "^(http:|https:|undefined$)",
                },
            },
            js=[
                "wagtailadmin/js/page-chooser-modal.js",
            ],
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "link",
        {
            "from_database_format": {
                "a[href]": ExternalLinkElementHandler("LINK"),
                'a[linktype="page"]': PageLinkElementHandler("LINK"),
            },
            "to_database_format": {"entity_decorators": {"LINK": link_entity}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "superscript",
        draftail_features.InlineStyleFeature(
            {
                "type": "SUPERSCRIPT",
                "icon": "superscript",
                "description": gettext("Superscript"),
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "superscript",
        {
            "from_database_format": {
                "sup": InlineStyleElementHandler("SUPERSCRIPT"),
            },
            "to_database_format": {"style_map": {"SUPERSCRIPT": "sup"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "subscript",
        draftail_features.InlineStyleFeature(
            {
                "type": "SUBSCRIPT",
                "icon": "subscript",
                "description": gettext("Subscript"),
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "subscript",
        {
            "from_database_format": {
                "sub": InlineStyleElementHandler("SUBSCRIPT"),
            },
            "to_database_format": {"style_map": {"SUBSCRIPT": "sub"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "strikethrough",
        draftail_features.InlineStyleFeature(
            {
                "type": "STRIKETHROUGH",
                "icon": "strikethrough",
                "description": gettext("Strikethrough"),
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "strikethrough",
        {
            "from_database_format": {
                "s": InlineStyleElementHandler("STRIKETHROUGH"),
            },
            "to_database_format": {"style_map": {"STRIKETHROUGH": "s"}},
        },
    )
    features.register_editor_plugin(
        "draftail",
        "code",
        draftail_features.InlineStyleFeature(
            {
                "type": "CODE",
                "icon": "code",
                "description": gettext("Code"),
            }
        ),
    )
    features.register_converter_rule(
        "contentstate",
        "code",
        {
            "from_database_format": {
                "code": InlineStyleElementHandler("CODE"),
            },
            "to_database_format": {"style_map": {"CODE": "code"}},
        },
    )


class ReportsMenuItem(SubmenuMenuItem):
    template = "wagtailadmin/shared/menu_submenu_item.html"


class LockedPagesMenuItem(MenuItem):
    def is_shown(self, request):
        return UserPagePermissionsProxy(request.user).can_remove_locks()


class WorkflowReportMenuItem(MenuItem):
    def is_shown(self, request):
        return getattr(settings, "WAGTAIL_WORKFLOW_ENABLED", True)


class SiteHistoryReportMenuItem(MenuItem):
    def is_shown(self, request):
        return UserPagePermissionsProxy(request.user).explorable_pages().exists()


class AgingPagesReportMenuItem(MenuItem):
    def is_shown(self, request):
        return getattr(settings, "WAGTAIL_AGING_PAGES_ENABLED", True)


@hooks.register("register_reports_menu_item")
def register_locked_pages_menu_item():
    return LockedPagesMenuItem(
        _("Locked Pages"),
        reverse("wagtailadmin_reports:locked_pages"),
        icon_name="lock",
        order=700,
    )


@hooks.register("register_reports_menu_item")
def register_workflow_report_menu_item():
    return WorkflowReportMenuItem(
        _("Workflows"),
        reverse("wagtailadmin_reports:workflow"),
        icon_name="tasks",
        order=800,
    )


@hooks.register("register_reports_menu_item")
def register_workflow_tasks_report_menu_item():
    return WorkflowReportMenuItem(
        _("Workflow tasks"),
        reverse("wagtailadmin_reports:workflow_tasks"),
        icon_name="thumbtack",
        order=900,
    )


@hooks.register("register_reports_menu_item")
def register_site_history_report_menu_item():
    return SiteHistoryReportMenuItem(
        _("Site history"),
        reverse("wagtailadmin_reports:site_history"),
        icon_name="history",
        order=1000,
    )


@hooks.register("register_reports_menu_item")
def register_aging_pages_report_menu_item():
    return AgingPagesReportMenuItem(
        _("Aging pages"),
        reverse("wagtailadmin_reports:aging_pages"),
        icon_name="time",
        order=1100,
    )


@hooks.register("register_admin_menu_item")
def register_reports_menu():
    return ReportsMenuItem(_("Reports"), reports_menu, icon_name="site", order=9000)


@hooks.register("register_icons")
def register_icons(icons):
    for icon in [
        "angle-double-left.svg",
        "angle-double-right.svg",
        "arrow-down-big.svg",
        "arrow-down.svg",
        "arrow-left.svg",
        "arrow-right.svg",
        "arrow-up-big.svg",
        "arrow-up.svg",
        "arrows-up-down.svg",
        "bars.svg",
        "bin.svg",
        "bold.svg",
        "chain-broken.svg",
        "check.svg",
        "chevron-down.svg",
        "clipboard-list.svg",
        "code.svg",
        "cog.svg",
        "cogs.svg",
        "collapse-down.svg",
        "collapse-up.svg",
        "comment.svg",
        "comment-add.svg",
        "comment-add-reversed.svg",
        "comment-large.svg",
        "comment-large-outline.svg",
        "comment-large-reversed.svg",
        "cross.svg",
        "date.svg",
        "doc-empty-inverse.svg",
        "doc-empty.svg",
        "doc-full-inverse.svg",
        "doc-full.svg",  # aka file-text-alt
        "download-alt.svg",
        "download.svg",
        "draft.svg",
        "duplicate.svg",
        "edit.svg",
        "ellipsis-v.svg",
        "expand-right.svg",
        "error.svg",
        "folder-inverse.svg",
        "folder-open-1.svg",
        "folder-open-inverse.svg",
        "folder.svg",
        "form.svg",
        "grip.svg",
        "group.svg",
        "help.svg",
        "history.svg",
        "home.svg",
        "horizontalrule.svg",
        "image.svg",  # aka picture
        "info-circle.svg",
        "italic.svg",
        "link.svg",
        "link-external.svg",
        "list-ol.svg",
        "list-ul.svg",
        "lock-open.svg",
        "lock.svg",
        "login.svg",
        "logout.svg",
        "mail.svg",
        "media.svg",
        "no-view.svg",
        "openquote.svg",
        "order-down.svg",
        "order-up.svg",
        "order.svg",
        "password.svg",
        "pick.svg",
        "pilcrow.svg",
        "placeholder.svg",  # aka marquee
        "plus-inverse.svg",
        "plus.svg",
        "radio-empty.svg",
        "radio-full.svg",
        "redirect.svg",
        "repeat.svg",
        "reset.svg",
        "resubmit.svg",
        "search.svg",
        "site.svg",
        "snippet.svg",
        "spinner.svg",
        "strikethrough.svg",
        "success.svg",
        "subscript.svg",
        "superscript.svg",
        "table.svg",
        "tag.svg",
        "tasks.svg",
        "thumbtack.svg",
        "tick-inverse.svg",
        "tick.svg",
        "time.svg",
        "title.svg",
        "undo.svg",
        "uni52.svg",  # Is this a redundant icon?
        "upload.svg",
        "user.svg",
        "view.svg",
        "wagtail-inverse.svg",
        "wagtail.svg",
        "warning.svg",
    ]:
        icons.append("wagtailadmin/icons/{}".format(icon))
    return icons


@hooks.register("construct_homepage_summary_items")
def add_pages_summary_item(request, items):
    items.insert(0, PagesSummaryItem(request))


class PageAdminURLFinder:
    def __init__(self, user):
        self.page_perms = user and UserPagePermissionsProxy(user)

    def get_edit_url(self, instance):
        if self.page_perms and not self.page_perms.for_page(instance).can_edit():
            return None
        else:
            return reverse("wagtailadmin_pages:edit", args=(instance.pk,))


register_admin_url_finder(Page, PageAdminURLFinder)


class CollectionAdminURLFinder(ModelAdminURLFinder):
    permission_policy = collection_permission_policy
    edit_url_name = "wagtailadmin_collections:edit"


register_admin_url_finder(Collection, CollectionAdminURLFinder)


class WorkflowAdminURLFinder(ModelAdminURLFinder):
    permission_policy = workflow_permission_policy
    edit_url_name = "wagtailadmin_workflows:edit"


register_admin_url_finder(Workflow, WorkflowAdminURLFinder)


class WorkflowTaskAdminURLFinder(ModelAdminURLFinder):
    permission_policy = task_permission_policy
    edit_url_name = "wagtailadmin_workflows:edit_task"


register_admin_url_finder(Task, WorkflowTaskAdminURLFinder)


for action_class in [
    DeleteBulkAction,
    MoveBulkAction,
    PublishBulkAction,
    UnpublishBulkAction,
]:
    hooks.register("register_bulk_action", action_class)