"""DMS plugin — folders, files, preview, Collabora, internal sharing, search, bulk ops."""

from __future__ import annotations

from app.plugins.base import BasePlugin
from app.plugins.manifest import (
    FrontendMenuItem,
    FrontendPageRoute,
    MiniAppContribution,
    PluginManifest,
    PluginRouteDef,
)


class DmsPlugin(BasePlugin):
    """DMS plugin for document management: folders, files, preview, sharing."""

    manifest = PluginManifest(
        name="dms",
        version="1.0.0",
        display_name="DMS",
        description="Document management: folder hierarchy, file upload, PDF preview, Collabora edit sessions, internal sharing, search, bulk ops.",
        dependencies=["permissions"],
        routes=[
            PluginRouteDef(
                path="/api/v1/dms",
                module="app.plugins.builtins.dms.routes",
                router_attr="router",
            ),
        ],
        events=[],
        migrations=["0001_initial.sql"],
        miniapps=[
            MiniAppContribution(
                app_id="dms_folders",
                name="DMS-Ordner",
                icon="FolderOpen",
                description="Ordnerübersicht des Dokumentenmanagements mit Dateizählern.",
                permission="dms:read",
                settings_schema={
                    "fields": [
                        {"name": "max_items", "label": "Max. Ordner", "type": "number", "default": 6},
                    ]
                },
                col_span=2,
                row_span=1,
                hosts=["chat", "dashboard", "window"],
                component="@/components/dashboard/DmsFoldersWidget",
                order=60,
            ),
        ],
        permissions=[
            "dms:read",
            "dms:write",
            "dms:delete",
            "dms:share",
            "dms:admin",
        ],
        menu_items=[
            FrontendMenuItem(label_key='nav.dms', label='Dateien', path='/dms', icon='FolderOpen', group='Dateien', order=40, permission='dms:read'),
            FrontendMenuItem(label_key='nav.dms.trash', label='Papierkorb', path='/dms/trash', icon='Trash2', group='Dateien', order=41, permission='dms:read'),
        ],
        page_routes=[
            FrontendPageRoute(path='/dms', component='@/pages/Dms', protected=True, permission='dms:read'),
            FrontendPageRoute(path='/dms/trash', component='@/pages/DmsTrash', protected=True, permission='dms:read'),
        ],
        # BUG (ghost component): ContactFilesTab does not exist in the
        # frontend — tab removed until implemented (Block I-D).
        detail_tabs=[],
        author="LeoCRM Team",
        min_app_version="1.0.0",
        hooks=["dms.before_upload"],
        contract_version="1.0.0",
    )

    def get_entity_models(self) -> dict[str, type]:
        """Entity types owned by DMS for the permission resolver.

        ``file`` is a legacy alias still used by the permissions routes.
        """
        from app.plugins.builtins.dms.models import File, Folder

        return {
            "dms_file": File,
            "dms_folder": Folder,
            "file": File,
        }

    async def on_activate(self, db, service_container, event_bus) -> None:
        """Activate plugin: register restore config + history hooks."""
        await super().on_activate(db, service_container, event_bus)

        # Register restore config for DMS File entities (P0-7 fix)
        from app.core.restore_registry import RestoreConfig, get_restore_registry
        from app.plugins.builtins.dms.models import File as DmsFile
        get_restore_registry().register(RestoreConfig(
            entity_type="dms_file",
            model_class=DmsFile,
            restore_permission="dms:write",
            excluded_fields=frozenset({"storage_path", "content_hash", "size_bytes", "uploaded_by", "folder_id"}),
        ))

        # Register history hooks for DMS File entities (P0-8 fix)
        from app.core.history_hooks import register_history_hooks
        from app.core.hooks import get_hook_registry
        register_history_hooks(
            get_hook_registry(), "dms_file",
            "dms_file.after_create", "dms_file.after_update", "dms_file.after_delete",
            owner_tag="dms",
        )

    async def on_deactivate(
        self, db, service_container, event_bus
    ) -> None:
        """Deactivate plugin: unregister contract, restore, history, events."""
        # Contract abmelden
        from app.plugins.builtins.contracts import get_contract_registry
        get_contract_registry().unregister(self.manifest.name)

        # Unregister restore config (P0-7 fix)
        from app.core.restore_registry import get_restore_registry
        get_restore_registry().unregister("dms_file")

        # Unregister history hooks (free functions, not bound methods)
        from app.core.hooks import get_hook_registry
        get_hook_registry().unregister_actions_by_owner("dms_file.after_create", "dms")
        get_hook_registry().unregister_actions_by_owner("dms_file.after_update", "dms")
        get_hook_registry().unregister_actions_by_owner("dms_file.after_delete", "dms")

        await super().on_deactivate(db, service_container, event_bus)