import { ChatSearchHit, ChatSearchMode } from '../types/workbench';
import { mergeAuthHeaders } from './authHeaders';
import { apiFetch } from './client';

export interface SearchChatMessagesParams {
  sessionId: string;
  q: string;
  mode?: ChatSearchMode;
  category?: string;
  dateFrom?: string;
  dateTo?: string;
  limit?: number;
}

export async function searchChatMessages(params: SearchChatMessagesParams): Promise<ChatSearchHit[]> {
  const url = new URL('/api/v1/chat/search', window.location.origin);
  url.searchParams.set('session_id', params.sessionId);
  url.searchParams.set('q', params.q);

  if (params.mode) {
    url.searchParams.set('mode', params.mode);
  }
  if (params.category && params.category !== 'all') {
    url.searchParams.set('category', params.category);
  }
  if (params.dateFrom) {
    url.searchParams.set('date_from', params.dateFrom);
  }
  if (params.dateTo) {
    url.searchParams.set('date_to', params.dateTo);
  }
  if (params.limit) {
    url.searchParams.set('limit', String(params.limit));
  }

  const res = await apiFetch(url.toString(), {
    method: 'GET',
    headers: mergeAuthHeaders({ Accept: 'application/json' }),
  });

  if (!res.ok) {
    throw new Error(`searchChatMessages failed: HTTP ${res.status}`);
  }

  const data = await res.json();
  return Array.isArray(data) ? data : [];
}