"""Calendar plugin — appointments, tasks, kanban, resources, ICS feed/import, recurrence."""

from __future__ import annotations

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


class CalendarPlugin(BasePlugin):
    """Calendar plugin for appointment/task management with recurrence, ICS, and resource booking."""

    manifest = PluginManifest(
        name="calendar",
        version="1.0.0",
        display_name="Calendar",
        description="Calendar with appointments, tasks, kanban board, recurrence, ICS export/import, resource booking, sharing.",
        dependencies=[],
        routes=[
            PluginRouteDef(
                path="/api/v1/calendars",
                module="app.plugins.builtins.calendar.routes",
                router_attr="calendar_router",
            ),
            PluginRouteDef(
                path="/api/v1/resources",
                module="app.plugins.builtins.calendar.routes",
                router_attr="resource_router",
            ),
            PluginRouteDef(
                path="/api/v1",
                module="app.plugins.builtins.calendar.routes",
                router_attr="router",
            ),
        ],
        events=[],
        migrations=["0001_initial.sql", "0002_add_deleted_at.sql"],
        dashboard_widgets=[
            FrontendDashboardWidget(
                id="calendar_upcoming",
                label_key="dashboard.calendarUpcoming",
                label="Upcoming Appointments",
                component="@/components/dashboard/CalendarUpcomingWidget",
                icon="Calendar",
                order=30,
                col_span=1,
                permission="calendar:read",
            ),
        ],
        permissions=[
            "calendar:read",
            "calendar:write",
            "calendar:delete",
            "calendar:share",
            "calendar:admin",
        ],
        menu_items=[
            FrontendMenuItem(label_key='nav.calendar', label='Kalender', path='/calendar', icon='Calendar', order=20, permission='calendar:read'),
        ],
        page_routes=[
            FrontendPageRoute(path='/calendar', component='@/pages/Calendar', protected=True, permission='calendar:read'),
            # Q1: kanban view was static-only before - now manifest-declared.
            FrontendPageRoute(path='/calendar/kanban', component='@/pages/CalendarKanban', protected=True, permission='calendar:read'),
        ],
        # BUG (ghost component): ContactCalendarTab 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=["calendar.before_appointment", "calendar.after_appointment"],
        contract_version="1.0.0",
    )

    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 CalendarEntry entities (P0-7 fix)
        from app.core.restore_registry import RestoreConfig, get_restore_registry
        from app.plugins.builtins.calendar.models import CalendarEntry
        get_restore_registry().register(RestoreConfig(
            entity_type="calendar_entry",
            model_class=CalendarEntry,
            restore_permission="calendar:write",
            excluded_fields=frozenset({"calendar_id", "created_by", "assigned_to", "source_mail_id"}),
        ))

        # Register history hooks for CalendarEntry 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(), "calendar_entry",
            "calendar_entry.after_create", "calendar_entry.after_update", "calendar_entry.after_delete",
            owner_tag="calendar",
        )

    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("calendar_entry")

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

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