import { supabase } from '../config/supabase';

export type LogAction =
  // User actions
  | 'USER_SIGNED_UP'
  | 'USER_SIGNED_IN'
  | 'PROFILE_UPDATED'
  | 'AVATAR_UPLOADED'
  | 'CHALLENGE_SUBMITTED'
  | 'CHALLENGE_COMPLETED'
  | 'DUEL_CREATED'
  | 'DUEL_SUBMIT'
  | 'EXAM_SUBMITTED'
  | 'EXAM_PASSED'
  | 'BADGE_EARNED'
  | 'TEAM_CREATED'
  | 'TEAM_JOINED'
  | 'TEAM_LEFT'
  | 'TEAM_INVITE_SENT'
  | 'TEAM_INVITE_ACCEPTED'
  | 'TEAM_INVITE_REJECTED'
  | 'TEAM_DELETED'
  | 'TEAM_IMAGE_UPLOADED'
  | 'NEWS_CREATED'
  | 'NEWS_UPDATED'
  | 'NEWS_DELETED'
  | 'PASSWORD_CHANGED'
  // Admin actions
  | 'USER_BANNED'
  | 'USER_UNBANNED'
  | 'USER_DELETED'
  | 'USER_ROLE_CHANGED'
  | 'COURSE_RELEASE_TOGGLED'
  // Security events
  | 'INVALID_TOKEN'
  | 'BANNED_ACCESS_ATTEMPT'
  | 'PRIVILEGE_ESCALATION'
  | 'RATE_LIMIT_HIT'
  | 'ROUTE_PROBING'
  | 'SUSPICIOUS_INPUT'
  | 'UNAUTHENTICATED_ACCESS'
  | 'TOKEN_REUSE_ATTEMPT';

interface LogEntry {
  user_id?: string;
  action: LogAction;
  details?: string;
  ip?: string;
  user_agent?: string;
}

export async function logActivity(entry: LogEntry): Promise<void> {
  try {
    const details = [
      entry.details,
      entry.ip ? `IP:${entry.ip}` : null,
      entry.user_agent ? `UA:${entry.user_agent}` : null,
    ].filter(Boolean).join(' | ');

    await supabase
      .from('activity_logs')
      .insert({
        user_id: entry.user_id || null,
        action: entry.action,
        details: details || null,
      });
  } catch {
    // Silent fail — logging should never break the main flow
  }
}