"""Tasks plugin — manage free tasks/activities linked to contacts."""

from __future__ import annotations

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


class TasksPlugin(BasePlugin):
    """Tasks plugin for managing activities (calls, notes, visits) linked to contacts."""

    manifest = PluginManifest(
        name="tasks",
        version="1.0.0",
        display_name="Tasks",
        description="Manage free tasks/activities with status, priority, due dates, and contact links.",
        dependencies=["permissions"],
        routes=[
            PluginRouteDef(
                path="/api/v1/tasks",
                module="app.plugins.builtins.tasks.routes",
                router_attr="router",
            ),
        ],
        events=[],
        migrations=["0001_initial.sql", "0002_unified_task_system.sql"],
        permissions=[
            "tasks:read",
            "tasks:write",
            "tasks:delete",
        ],
        is_core=True,
        menu_items=[
            FrontendMenuItem(
                label_key="nav.tasks",
                label="Aufgaben",
                path="/tasks",
                icon="CheckSquare",
                order=30,
            ),
        ],
        page_routes=[
            FrontendPageRoute(
                path="/tasks",
                component="@/pages/Tasks",
                protected=True,
                order=30,
            ),
        ],
        cron_jobs=[
            CronJobContribution(
                name="tasks_due_reminder",
                cron_expression="0 8 * * *",
                job_type="custom",
                target_name="tasks_due_reminder",
                plugin_name="tasks",
            ),
        ],

        author="LeoCRM Team",
        min_app_version="1.0.0",
        hooks=["contact.after_create"],
        contract_version="1.0.0")

    def get_job_modules(self) -> list[str]:
        return ["app.plugins.builtins.tasks.jobs"]

    def get_entity_models(self) -> dict[str, type]:
        from app.plugins.builtins.tasks.models import Task
        return {"task": Task}

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

        # Register task AI tools (F-TASK-AGENT)
        try:
            from app.plugins.builtins.ai_assistant.contracts import get_tool_registry
            from app.plugins.builtins.tasks.ai_tools import register_task_tools
            register_task_tools(get_tool_registry())
        except Exception:
            import logging
            logging.getLogger(__name__).exception("Failed to register task AI tools")

        # Register restore config for Task entities (P0-7 fix)
        from app.core.restore_registry import RestoreConfig, get_restore_registry
        from app.plugins.builtins.tasks.models import Task
        get_restore_registry().register(RestoreConfig(
            entity_type="task",
            model_class=Task,
            restore_permission="tasks:write",
            excluded_fields=frozenset({"created_by", "assigned_to", "contact_id"}),
        ))

        # Register history hooks for Task 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(), "task",
            "task.after_create", "task.after_update", "task.after_delete",
            owner_tag="tasks",
        )

    async def on_deactivate(
        self, db, service_container, event_bus
    ) -> None:
        """Deactivate plugin: unregister contract, restore, history, events, AI tools."""
        # Unregister task AI tools (F-TASK-AGENT)
        try:
            from app.plugins.builtins.ai_assistant.contracts import get_tool_registry
            get_tool_registry().unregister_plugin("tasks")
        except Exception:
            import logging
            logging.getLogger(__name__).exception("Failed to unregister task AI tools")

        # 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("task")

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

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