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

import * as plugins from '../plugins.ts';
import type { IAuditLog, TAuditAction, TAuditResourceType } from '../interfaces/audit.interfaces.ts';
import { db } from './db.ts';

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

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

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public actorType: 'user' | 'api_token' | 'system' | 'anonymous' = 'anonymous';

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

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

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

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public action: TAuditAction = 'USER_CREATED';

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public resourceType: TAuditResourceType = 'user';

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

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

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

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

  @plugins.smartdata.svDb()
  public metadata: Record<string, unknown> = {};

  @plugins.smartdata.svDb()
  @plugins.smartdata.index()
  public success: boolean = true;

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

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

  @plugins.smartdata.svDb()
  public durationMs?: number;

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

  /**
   * Create an audit log entry
   */
  public static async log(data: {
    actorId?: string;
    actorType?: 'user' | 'api_token' | 'system' | 'anonymous';
    actorTokenId?: string;
    actorIp?: string;
    actorUserAgent?: string;
    action: TAuditAction;
    resourceType: TAuditResourceType;
    resourceId?: string;
    resourceName?: string;
    organizationId?: string;
    repositoryId?: string;
    metadata?: Record<string, unknown>;
    success?: boolean;
    errorCode?: string;
    errorMessage?: string;
    durationMs?: number;
  }): Promise<AuditLog> {
    const log = new AuditLog();
    log.id = await AuditLog.getNewId();
    log.actorId = data.actorId;
    log.actorType = data.actorType || (data.actorId ? 'user' : 'anonymous');
    log.actorTokenId = data.actorTokenId;
    log.actorIp = data.actorIp;
    log.actorUserAgent = data.actorUserAgent;
    log.action = data.action;
    log.resourceType = data.resourceType;
    log.resourceId = data.resourceId;
    log.resourceName = data.resourceName;
    log.organizationId = data.organizationId;
    log.repositoryId = data.repositoryId;
    log.metadata = data.metadata || {};
    log.success = data.success ?? true;
    log.errorCode = data.errorCode;
    log.errorMessage = data.errorMessage;
    log.durationMs = data.durationMs;
    log.timestamp = new Date();
    await log.save();
    return log;
  }

  /**
   * Query audit logs with filters
   */
  public static async query(filters: {
    actorId?: string;
    organizationId?: string;
    repositoryId?: string;
    resourceType?: TAuditResourceType;
    action?: TAuditAction[];
    success?: boolean;
    startDate?: Date;
    endDate?: Date;
    offset?: number;
    limit?: number;
  }): Promise<{ logs: AuditLog[]; total: number }> {
    const query: Record<string, unknown> = {};

    if (filters.actorId) query.actorId = filters.actorId;
    if (filters.organizationId) query.organizationId = filters.organizationId;
    if (filters.repositoryId) query.repositoryId = filters.repositoryId;
    if (filters.resourceType) query.resourceType = filters.resourceType;
    if (filters.action) query.action = { $in: filters.action };
    if (filters.success !== undefined) query.success = filters.success;

    if (filters.startDate || filters.endDate) {
      query.timestamp = {};
      if (filters.startDate) (query.timestamp as Record<string, unknown>).$gte = filters.startDate;
      if (filters.endDate) (query.timestamp as Record<string, unknown>).$lte = filters.endDate;
    }

    // Get total count
    const allLogs = await AuditLog.getInstances(query);
    const total = allLogs.length;

    // Apply pagination
    const offset = filters.offset || 0;
    const limit = filters.limit || 100;
    const logs = allLogs.slice(offset, offset + limit);

    return { logs, total };
  }

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