/**
 * Repository model for Stack.Gallery Registry
 */

import * as plugins from '../plugins.ts';
import type { IRepository, TRepositoryVisibility, TRegistryProtocol } from '../interfaces/auth.interfaces.ts';
import { getDb } from './db.ts';

@plugins.smartdata.Collection(() => getDb())
export class Repository
  extends plugins.smartdata.SmartDataDbDoc<Repository, Repository>
  implements IRepository
{
  @plugins.smartdata.unI()
  public id: string = '';

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public organizationId: string = '';

  @plugins.smartdata.svDb()
  @plugins.smartdata.searchable()
  public name: string = '';

  @plugins.smartdata.svDb()
  public description?: string;

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public protocol: TRegistryProtocol = 'npm';

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public visibility: TRepositoryVisibility = 'private';

  @plugins.smartdata.svDb()
  public storageNamespace: string = '';

  @plugins.smartdata.svDb()
  public downloadCount: number = 0;

  @plugins.smartdata.svDb()
  public starCount: number = 0;

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public createdAt: Date = new Date();

  @plugins.smartdata.svDb()
  public updatedAt: Date = new Date();

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public createdById: string = '';

  /**
   * Create a new repository
   */
  public static async createRepository(data: {
    organizationId: string;
    name: string;
    description?: string;
    protocol: TRegistryProtocol;
    visibility?: TRepositoryVisibility;
    createdById: string;
  }): Promise<Repository> {
    // Validate name
    const nameRegex = /^[a-z0-9]([a-z0-9._-]*[a-z0-9])?$/;
    if (!nameRegex.test(data.name.toLowerCase())) {
      throw new Error('Repository name must be lowercase alphanumeric with optional dots, hyphens, or underscores');
    }

    // Check for duplicate name in org + protocol
    const existing = await Repository.getInstance({
      organizationId: data.organizationId,
      name: data.name.toLowerCase(),
      protocol: data.protocol,
    });

    if (existing) {
      throw new Error('Repository with this name and protocol already exists');
    }

    const repo = new Repository();
    repo.id = await Repository.getNewId();
    repo.organizationId = data.organizationId;
    repo.name = data.name.toLowerCase();
    repo.description = data.description;
    repo.protocol = data.protocol;
    repo.visibility = data.visibility || 'private';
    repo.storageNamespace = `${data.protocol}/${data.organizationId}/${data.name.toLowerCase()}`;
    repo.createdById = data.createdById;
    repo.createdAt = new Date();
    repo.updatedAt = new Date();
    await repo.save();
    return repo;
  }

  /**
   * Find repository by org, name, and protocol
   */
  public static async findByName(
    organizationId: string,
    name: string,
    protocol: TRegistryProtocol
  ): Promise<Repository | null> {
    return await Repository.getInstance({
      organizationId,
      name: name.toLowerCase(),
      protocol,
    });
  }

  /**
   * Get all repositories in an organization
   */
  public static async getOrgRepositories(organizationId: string): Promise<Repository[]> {
    return await Repository.getInstances({
      organizationId,
    });
  }

  /**
   * Get all public repositories
   */
  public static async getPublicRepositories(protocol?: TRegistryProtocol): Promise<Repository[]> {
    const query: Record<string, unknown> = { visibility: 'public' };
    if (protocol) {
      query.protocol = protocol;
    }
    return await Repository.getInstances(query);
  }

  /**
   * Increment download count
   */
  public async incrementDownloads(): Promise<void> {
    this.downloadCount += 1;
    await this.save();
  }

  /**
   * Get full path (org/repo)
   */
  public getFullPath(orgName: string): string {
    return `${orgName}/${this.name}`;
  }

  /**
   * Lifecycle hook
   */
  public async beforeSave(): Promise<void> {
    this.updatedAt = new Date();
    if (!this.id) {
      this.id = await Repository.getNewId();
    }
  }
}