import {z} from 'zod'

export type GetApiFilesArgs = {limit?: number | undefined, offset?: number | undefined, search?: string | undefined, source?: ('upload' | 'capture' | 'message') | undefined, surface?: 'phone' | undefined, session_id?: string | undefined, phone_id?: string | undefined, mime_type?: string | undefined, media_type?: ('image' | 'video') | undefined, min_size_bytes?: number | undefined, max_size_bytes?: number | undefined, created_after?: string | undefined, created_before?: string | undefined, order_by?: string | undefined};

export type GetApiFilesOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const fileSummary = z.object({attachment_url: z.string().optional(), bytes_transferred: z.number().int().optional(), capture_error: z.string().optional(), capture_state: z.enum(["detected", "uploading", "ready", "skipped_size", "skipped_quota", "skipped_type", "dropped_teardown", "failed"]).optional(), checksum: z.string().optional(), created_at: z.string(), display_url: z.string().optional(), download_url: z.string().optional(), duration_seconds: z.number().int().optional(), filename: z.string(), height: z.number().int().optional(), id: z.string(), message_id: z.string().optional(), mime_type: z.string(), on_phone_count: z.number().int(), phone_id: z.string().optional(), preview_state: z.enum(["processing", "ready", "unavailable"]), reel_url: z.string().optional(), session_id: z.string().optional(), size_bytes: z.number().int(), source: z.enum(["upload", "capture", "message"]), status: z.enum(["uploading", "ready"]), surface: z.literal("phone").optional(), thumbnail_url: z.string().optional(), width: z.number().int().optional()});

export const fileUsage = z.object({byte_limit: z.number().int(), file_count: z.number().int(), file_limit: z.number().int(), total_bytes: z.number().int()});

export const fileListResponse = z.object({files: z.array(fileSummary).nullable(), total: z.number().int(), usage: fileUsage});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * List the org's files
 * 
 * GET /files
 */
export const getApiFiles = async (args: GetApiFilesArgs, options?: GetApiFilesOptions) => {
const {baseUrl = "https://api.axilio.ai/api/v1", fetch: fetchFn = fetch, apiKeyAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.search != null) query.append("search", String(args.search))
if (args.source != null) query.append("source", String(args.source))
if (args.surface != null) query.append("surface", String(args.surface))
if (args.session_id != null) query.append("session_id", String(args.session_id))
if (args.phone_id != null) query.append("phone_id", String(args.phone_id))
if (args.mime_type != null) query.append("mime_type", String(args.mime_type))
if (args.media_type != null) query.append("media_type", String(args.media_type))
if (args.min_size_bytes != null) query.append("min_size_bytes", String(args.min_size_bytes))
if (args.max_size_bytes != null) query.append("max_size_bytes", String(args.max_size_bytes))
if (args.created_after != null) query.append("created_after", String(args.created_after))
if (args.created_before != null) query.append("created_before", String(args.created_before))
if (args.order_by != null) query.append("order_by", String(args.order_by))
if (apiKeyAuth !== undefined) headers.set("X-Axilio-Api-Key", apiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/files${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(fileListResponse, await res.json())
};