import type { Cid } from '@atcute/lexicons';

export type SdkErrorCode =
  | 'ERR_NIB_PATH'
  | 'ERR_NIB_IDENTITY'
  | 'ERR_NIB_RECORD_INVALID'
  | 'ERR_NIB_BLOB_INVALID'
  | 'ERR_NIB_BASE_REQUIRED'
  | 'ERR_NIB_NOT_OWNER'
  | 'ERR_NIB_CONFLICT'
  | 'ERR_NIB_LIMIT'
  | 'ERR_NIB_SLUG'
  | 'ERR_NIB_SLUG_TAKEN'
  | 'ERR_NIB_NOT_FOUND'
  | 'ERR_NIB_AUTH_LOOPBACK';

export class SdkError extends Error {
  readonly code: SdkErrorCode;

  constructor(message: string, code: SdkErrorCode, options?: ErrorOptions) {
    super(message, options);
    this.name = 'SdkError';
    this.code = code;
  }
}

export class PathError extends SdkError {
  readonly path: string;

  constructor(message: string, path: string) {
    super(message, 'ERR_NIB_PATH');
    this.name = 'PathError';
    this.path = path;
  }
}

/** Someone else saved the project after it was loaded. `remote` is the record's current CID, or undefined if it was deleted. */
export class ProjectConflictError extends SdkError {
  readonly uri: string;
  readonly remote: Cid | undefined;

  constructor(uri: string, remote: Cid | undefined) {
    super(`project ${uri} changed since it was loaded`, 'ERR_NIB_CONFLICT');
    this.name = 'ProjectConflictError';
    this.uri = uri;
    this.remote = remote;
  }
}

/** Another of the author's projects already uses `slug`. Creating picks a free one instead; renaming throws this. */
export class SlugTakenError extends SdkError {
  readonly slug: string;
  /** The project that has the slug. */
  readonly uri: string;

  constructor(slug: string, uri: string) {
    super(`another project already uses the slug ${JSON.stringify(slug)}`, 'ERR_NIB_SLUG_TAKEN');
    this.name = 'SlugTakenError';
    this.slug = slug;
    this.uri = uri;
  }
}