type VideoListParams = { camera_name?: string; start_date?: string; end_date?: string; limit?: number; page?: number; offset?: number; include_metadata?: boolean; min_size_mb?: number; max_size_mb?: number }
type VideoFile = { file_id: string; camera_name: string; filename: string; file_size_bytes: number; format: string; status: string; created_at: string; is_streamable: boolean; needs_conversion: boolean }
type VideoListResponse = { videos: VideoFile[]; total_count: number; page?: number; total_pages?: number }

const BASE = (import.meta as any).env?.VITE_MEDIA_API_URL || (import.meta as any).env?.VITE_VISION_API_URL || '/api'

async function get<T>(path: string): Promise<T> {
  const res = await fetch(path, { headers: { 'Accept': 'application/json' } })
  if (!res.ok) throw new Error(`Request failed: ${res.status}`)
  return res.json() as Promise<T>
}

export async function fetchVideos(params: VideoListParams = {}): Promise<VideoListResponse> {
  const search = new URLSearchParams()
  Object.entries(params).forEach(([k, v]) => {
    if (v !== undefined && v !== null) search.append(k, String(v))
  })
  const qs = search.toString()
  return get(`${BASE}/videos/${qs ? `?${qs}` : ''}`)
}