import { supabase } from './client';
import { logger } from '../utils/logger';

export interface JobEvent {
  id: string;
  job_id: string;
  identity_id: string | null;
  level: 'info' | 'warning' | 'error';
  step: string;
  message: string;
  metadata: Record<string, unknown> | null;
  created_at: string;
}

export interface JobEventInsert {
  job_id: string;
  identity_id: string | null;
  level: 'info' | 'warning' | 'error';
  step: string;
  message: string;
  metadata?: Record<string, unknown>;
}

/**
 * Insert a new event into the job event log.
 */
export async function insertJobEvent(event: JobEventInsert): Promise<void> {
  const { error } = await supabase
    .from('turnitin_job_events')
    .insert({
      job_id: event.job_id,
      identity_id: event.identity_id,
      level: event.level,
      step: event.step,
      message: event.message,
      metadata: event.metadata || {},
    });

  if (error) {
    logger.error('Failed to insert job event', {
      jobId: event.job_id,
      step: event.step,
      error: error.message,
    });
    throw error;
  }
}

/**
 * Retrieve all events for a given job, ordered by creation time.
 */
export async function getJobEvents(jobId: string): Promise<JobEvent[]> {
  const { data, error } = await supabase
    .from('turnitin_job_events')
    .select('*')
    .eq('job_id', jobId)
    .order('created_at', { ascending: true });

  if (error) {
    logger.error('Failed to get job events', { jobId, error: error.message });
    throw error;
  }

  return (data as JobEvent[]) || [];
}