/**
 * TeamMember model - links users to teams with roles
 */

import * as plugins from '../plugins.ts';
import type { ITeamMember, TTeamRole } from '../interfaces/auth.interfaces.ts';
import { getDb } from './db.ts';

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

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

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

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public role: TTeamRole = 'member';

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

  /**
   * Add a member to a team
   */
  public static async addMember(data: {
    teamId: string;
    userId: string;
    role: TTeamRole;
  }): Promise<TeamMember> {
    // Check if member already exists
    const existing = await TeamMember.getInstance({
      teamId: data.teamId,
      userId: data.userId,
    });

    if (existing) {
      throw new Error('User is already a member of this team');
    }

    const member = new TeamMember();
    member.id = await TeamMember.getNewId();
    member.teamId = data.teamId;
    member.userId = data.userId;
    member.role = data.role;
    member.createdAt = new Date();
    await member.save();
    return member;
  }

  /**
   * Find membership for user in team
   */
  public static async findMembership(teamId: string, userId: string): Promise<TeamMember | null> {
    return await TeamMember.getInstance({
      teamId,
      userId,
    });
  }

  /**
   * Get all members of a team
   */
  public static async getTeamMembers(teamId: string): Promise<TeamMember[]> {
    return await TeamMember.getInstances({
      teamId,
    });
  }

  /**
   * Get all teams a user belongs to
   */
  public static async getUserTeams(userId: string): Promise<TeamMember[]> {
    return await TeamMember.getInstances({
      userId,
    });
  }

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