import { ClientOptions } from './clients/base-client.js';
import { PullRequestClient, CreatePROptions, UpdatePROptions, MergePROptions } from './clients/pull-request-client.js';
import { RepositoryClient } from './clients/repository-client.js';
import { CommentClient, AddCommentOptions, CreateTaskOptions, UpdateTaskOptions } from './clients/comment-client.js';

export type { CreatePROptions, UpdatePROptions, MergePROptions };
export type { AddCommentOptions, CreateTaskOptions, UpdateTaskOptions };
export type { ClientOptions as BitbucketClientOptions };

export class BitbucketClient {
  private pr!: PullRequestClient;
  private repo!: RepositoryClient;
  private comment!: CommentClient;

  // ── Pull Request read ─────────────────────────────────────────────────────
  listPullRequests!: (workspace: string, repo: string, options?: any) => Promise<any>;
  getPullRequest!: (workspace: string, repo: string, prId: number) => Promise<any>;
  getPullRequestActivities!: (workspace: string, repo: string, prId: number, options?: any) => Promise<any>;
  getPullRequestChanges!: (workspace: string, repo: string, prId: number, options?: any) => Promise<any>;
  getPullRequestCommits!: (workspace: string, repo: string, prId: number, options?: any) => Promise<any>;
  getPullRequestDiff!: (workspace: string, repo: string, prId: number, options?: any) => Promise<any>;
  getPullRequestPatch!: (workspace: string, repo: string, prId: number) => Promise<any>;
  getPullRequestParticipants!: (workspace: string, repo: string, prId: number) => Promise<any>;
  getPullRequestReviewers!: (workspace: string, repo: string, prId: number) => Promise<any>;
  getPullRequestStatus!: (workspace: string, repo: string, prId: number) => Promise<any>;
  getPullRequestTasks!: (workspace: string, repo: string, prId: number) => Promise<any>;
  getPullRequestTaskCount!: (workspace: string, repo: string, prId: number) => Promise<any>;
  getFullPullRequest!: (workspace: string, repo: string, prId: number) => Promise<any>;

  // ── Pull Request write ────────────────────────────────────────────────────
  createPullRequest!: (workspace: string, repo: string, options: CreatePROptions) => Promise<any>;
  updatePullRequest!: (workspace: string, repo: string, prId: number, options: UpdatePROptions) => Promise<any>;
  mergePullRequest!: (workspace: string, repo: string, prId: number, options: MergePROptions) => Promise<any>;
  declinePullRequest!: (workspace: string, repo: string, prId: number) => Promise<any>;
  approvePullRequest!: (workspace: string, repo: string, prId: number) => Promise<any>;
  unapprovePullRequest!: (workspace: string, repo: string, prId: number) => Promise<any>;
  requestChangesPullRequest!: (workspace: string, repo: string, prId: number) => Promise<any>;
  removeRequestChangesPullRequest!: (workspace: string, repo: string, prId: number) => Promise<any>;

  // ── Repository / workspace ────────────────────────────────────────────────
  listWorkspaces!: (options?: any) => Promise<any>;
  listRepositories!: (workspace: string, options?: any) => Promise<any>;
  getRepository!: (workspace: string, repo: string) => Promise<any>;
  listBranches!: (workspace: string, repo: string, options?: any) => Promise<any>;

  // ── Comment read ──────────────────────────────────────────────────────────
  getPullRequestComments!: (workspace: string, repo: string, prId: number, options?: any) => Promise<any>;
  getPullRequestComment!: (workspace: string, repo: string, prId: number, commentId: number) => Promise<any>;

  // ── Comment / task write ──────────────────────────────────────────────────
  addPullRequestComment!: (workspace: string, repo: string, prId: number, options: AddCommentOptions) => Promise<any>;
  updatePullRequestComment!: (workspace: string, repo: string, prId: number, commentId: number, options: AddCommentOptions) => Promise<any>;
  deletePullRequestComment!: (workspace: string, repo: string, prId: number, commentId: number) => Promise<any>;
  createPullRequestTask!: (workspace: string, repo: string, prId: number, options: CreateTaskOptions) => Promise<any>;
  updatePullRequestTask!: (workspace: string, repo: string, prId: number, taskId: number, options: UpdateTaskOptions) => Promise<any>;
  deletePullRequestTask!: (workspace: string, repo: string, prId: number, taskId: number) => Promise<any>;

  constructor(options: ClientOptions = {}) {
    this.pr = new PullRequestClient(options);
    this.repo = new RepositoryClient(options);
    this.comment = new CommentClient(options);

    // Bind all PR methods
    this.listPullRequests = this.pr.listPullRequests.bind(this.pr);
    this.getPullRequest = this.pr.getPullRequest.bind(this.pr);
    this.getPullRequestActivities = this.pr.getPullRequestActivities.bind(this.pr);
    this.getPullRequestChanges = this.pr.getPullRequestChanges.bind(this.pr);
    this.getPullRequestCommits = this.pr.getPullRequestCommits.bind(this.pr);
    this.getPullRequestDiff = this.pr.getPullRequestDiff.bind(this.pr);
    this.getPullRequestPatch = this.pr.getPullRequestPatch.bind(this.pr);
    this.getPullRequestParticipants = this.pr.getPullRequestParticipants.bind(this.pr);
    this.getPullRequestReviewers = this.pr.getPullRequestReviewers.bind(this.pr);
    this.getPullRequestStatus = this.pr.getPullRequestStatus.bind(this.pr);
    this.getPullRequestTasks = this.pr.getPullRequestTasks.bind(this.pr);
    this.getPullRequestTaskCount = this.pr.getPullRequestTaskCount.bind(this.pr);
    this.getFullPullRequest = this.pr.getFullPullRequest.bind(this.pr);

    this.createPullRequest = this.pr.createPullRequest.bind(this.pr);
    this.updatePullRequest = this.pr.updatePullRequest.bind(this.pr);
    this.mergePullRequest = this.pr.mergePullRequest.bind(this.pr);
    this.declinePullRequest = this.pr.declinePullRequest.bind(this.pr);
    this.approvePullRequest = this.pr.approvePullRequest.bind(this.pr);
    this.unapprovePullRequest = this.pr.unapprovePullRequest.bind(this.pr);
    this.requestChangesPullRequest = this.pr.requestChangesPullRequest.bind(this.pr);
    this.removeRequestChangesPullRequest = this.pr.removeRequestChangesPullRequest.bind(this.pr);

    // Bind all repo methods
    this.listWorkspaces = this.repo.listWorkspaces.bind(this.repo);
    this.listRepositories = this.repo.listRepositories.bind(this.repo);
    this.getRepository = this.repo.getRepository.bind(this.repo);
    this.listBranches = this.repo.listBranches.bind(this.repo);

    // Bind all comment methods
    this.getPullRequestComments = this.comment.getPullRequestComments.bind(this.comment);
    this.getPullRequestComment = this.comment.getPullRequestComment.bind(this.comment);

    this.addPullRequestComment = this.comment.addPullRequestComment.bind(this.comment);
    this.updatePullRequestComment = this.comment.updatePullRequestComment.bind(this.comment);
    this.deletePullRequestComment = this.comment.deletePullRequestComment.bind(this.comment);
    this.createPullRequestTask = this.comment.createPullRequestTask.bind(this.comment);
    this.updatePullRequestTask = this.comment.updatePullRequestTask.bind(this.comment);
    this.deletePullRequestTask = this.comment.deletePullRequestTask.bind(this.comment);
  }

  async validateToken(): Promise<{ valid: boolean; message: string }> {
    try {
      await this.repo.listWorkspaces({ pagelen: 1 });
      return { valid: true, message: 'Token is valid' };
    } catch (error: any) {
      const status = error?.response?.status ?? error?.cause?.response?.status;
      if (status === 401) return { valid: false, message: 'Token is invalid or expired' };
      if (status === 403) return { valid: false, message: 'Token lacks required permissions' };
      return { valid: false, message: `Token validation failed: ${error?.message || error}` };
    }
  }
}

export default BitbucketClient;