"""Report Generator plugin — PDF/Excel/CSV reports from Jinja2 templates."""

from __future__ import annotations

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


class ReportGeneratorPlugin(BasePlugin):
    """Report Generator plugin for generating reports from Jinja2 templates."""

    manifest = PluginManifest(
        name="report_generator",
        version="1.0.0",
        display_name="Report Generator",
        description="Generates PDF/Excel/CSV reports from Jinja2 templates and data sources",
        is_core=True,
        dependencies=["permissions"],
        routes=[
            # documents router MUST be registered before routes: its fixed
            # single-segment paths (/letterheads, /print-templates, ...) would
            # otherwise be shadowed by the /{report_id} catch-all in routes.
            PluginRouteDef(
                path="/api/v1/reports",
                module="app.plugins.builtins.report_generator.documents",
                router_attr="router",
            ),
            PluginRouteDef(
                path="/api/v1/reports",
                module="app.plugins.builtins.report_generator.routes",
                router_attr="router",
            ),
        ],
        settings_pages=[
            FrontendSettingsPage(
                path="documents",
                label_key="settings.documents",
                label="Dokumente",
                component="@/pages/DocumentSettings",
                icon="FileText",
                order=75,
                permission="reports:read",
            ),
        ],
        events=["report.requested", "report.generated"],
        migrations=["0001_initial.sql", "0002_reports_folder_id.sql"],
        permissions=["reports:read", "reports:generate", "reports:manage_templates"],
        menu_items=[
            FrontendMenuItem(label_key='nav.reports', label='Berichte', path='/reports', icon='BarChart3', order=70, permission='reports:read'),
        ],
        page_routes=[
            FrontendPageRoute(path='/reports', component='@/pages/Reports', protected=True, permission='reports:read'),
        ],

        author="LeoCRM Team",
        min_app_version="1.0.0",
        contract_version="1.0.0")

    def get_entity_models(self) -> dict[str, type]:
        from app.plugins.builtins.report_generator.models import (
            DocumentAsset,
            Letterhead,
            PrintTemplate,
            ReportInstance,
            ReportTemplate,
        )
        return {
            "report_template": ReportTemplate,
            "report_instance": ReportInstance,
            "letterhead": Letterhead,
            "print_template": PrintTemplate,
            "document_asset": DocumentAsset,
        }

    async def on_activate(
        self, db, service_container, event_bus
    ) -> None:
        """Activate plugin: register background jobs and event listeners."""
        # Register background jobs (isolated report generation in worker)
        from app.plugins.builtins.report_generator import jobs  # noqa: F401
        await super().on_activate(db, service_container, event_bus)

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