from __future__ import annotations

from apiflask import APIBlueprint

from .extensions.sys_log import init_sys_log


class SystemModule:
    name = "iti_system"

    def init_app(self, app) -> None:
        app.extensions["iti_system"] = self
        app.config.setdefault("SYSLOG_MAX_BODY_CHARS", 2048)
        app.config.setdefault("SYSLOG_ITEMS_SAMPLE", 5)
        app.config.setdefault(
            "PERMISSION_CONFIG",
            {
                "SUPER_ADMIN_ROLE": "ADMIN",
                "DEFAULT_ERROR_MESSAGE": "无权访问！",
                "DEFAULT_ERROR_CODE": 403,
                "SKIP_SUPER_ADMIN_DEFAULT": True,
            },
        )
        init_sys_log(app)

        from .events import init_event_handlers

        init_event_handlers(app)

    def register_routes(self, app) -> None:
        sys_bp = APIBlueprint("sys", __name__, url_prefix="/sys")
        for import_path in (
            "iti_system.routes.log:bp",
            "iti_system.routes.user:bp",
            "iti_system.routes.user_attribute:bp",
            "iti_system.routes.role:bp",
            "iti_system.routes.config:bp",
            "iti_system.routes.dict:bp",
            "iti_system.routes.menu:bp",
            "iti_system.routes.dept:bp",
            "iti_system.routes.file:bp",
        ):
            _register_blueprint(sys_bp, import_path)
        app.register_blueprint(sys_bp)

        from .routes.auth import bp as auth_bp
        from .routes.common import file_access_bp, upload_bp

        app.register_blueprint(auth_bp)
        app.register_blueprint(upload_bp)
        app.register_blueprint(file_access_bp)

    def register_commands(self, app) -> None:
        from .cli import iti_system_cli

        app.cli.add_command(iti_system_cli, "iti-system")

    def register_permissions(self, app) -> None:
        return None

    def register_menu_seed(self, app) -> None:
        return None


def create_system_module() -> SystemModule:
    return SystemModule()


def _register_blueprint(parent_bp, import_path: str) -> None:
    module_path, attr_name = import_path.rsplit(":", 1)
    module = __import__(module_path, fromlist=[attr_name])
    parent_bp.register_blueprint(getattr(module, attr_name))