from typing import Any, Dict, Optional

from flask import jsonify


class ApiError(Exception):
    def __init__(
        self,
        code: str,
        message: str,
        status_code: int,
        details: Optional[Dict[str, Any]] = None,
    ) -> None:
        super().__init__(message)
        self.code = code
        self.message = message
        self.status_code = status_code
        self.details = details or {}

    def to_response(self):
        return jsonify(
            {
                "error": {
                    "code": self.code,
                    "message": self.message,
                    "details": self.details,
                }
            }
        ), self.status_code


def register_error_handlers(app) -> None:
    @app.errorhandler(ApiError)
    def handle_api_error(error: ApiError):
        return error.to_response()

    @app.errorhandler(Exception)
    def handle_unexpected_error(error: Exception):
        app.logger.exception("Unhandled API error: %s", error)
        return ApiError(
            "INTERNAL_ERROR",
            "Terjadi kesalahan internal pada server.",
            500,
        ).to_response()