import type { ApiEnvelope } from "@owlboard/api-schema-types";

type RawErrorObject = NonNullable<ApiEnvelope.Envelope["e"]>;
export type ApiErrorCode = NonNullable<RawErrorObject['code']>

export class ApiError extends Error {
    public readonly code: ApiErrorCode;
    public readonly status: number;

    constructor(errorObj: RawErrorObject, status: number) {
        super(errorObj.msg || 'An unknown error occurred');
        this.name = 'ApiError';
        this.status = status;
        // cast fallback to ensure it satisfies union
        this.code = errorObj.code || ("SERVER" as ApiErrorCode);
    }
}

export class ValidationError extends Error {
    constructor(public field: string, public reason: string) {
        super(`validation failed for ${field}: ${reason}`);
        this.name = "VALIDATIONERROR";
    }
}