import {z} from 'zod'

export type GetApiV1FilesArgs = {sessionIds?: string | undefined, offset?: number | undefined, limit?: number | undefined};

export type GetApiV1FilesOptions = {baseUrl?: string | undefined, defaultValue?: string | undefined, fetch?: typeof fetch | undefined};

export const externalFile = z.object({deleted: z.boolean(), deletionTime: z.string().optional(), expiryTime: z.string().optional(), fileBytes: z.number().int(), fileName: z.string(), fileType: z.string(), id: z.string(), lastHeartbeatTime: z.string().optional(), orgId: z.string(), sessionIds: z.array(z.string()).optional(), status: z.string(), uploadCompleteTime: z.string().optional(), uploadStartTime: z.string(), visibleInApi: z.boolean(), visibleInPortal: z.boolean()});

export const pagination = z.object({currentLimit: z.number().int(), currentPage: z.number().int(), finalCount: z.number().int(), hasMore: z.boolean(), initialCount: z.number().int(), nextOffset: z.number().int(), numberOfPages: z.number().int(), totalItems: z.number().int()});

export const filesWithPagination = z.object({files: z.array(externalFile).optional(), pagination: pagination});

export const issue = z.object({code: z.string().optional(), details: z.record(z.string(), z.unknown()).optional(), message: z.string(), reason: z.string().optional()});

export const envelopeDefaultMeta = z.object({requestId: z.string().optional()});

export const filesResponse = z.object({data: filesWithPagination, errors: z.array(issue).optional(), meta: envelopeDefaultMeta, warnings: z.array(issue).optional()});

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
};

/**
 * Get a list of files
 * 
 * GET /v1/files
 */
export const getApiV1Files = async (args: GetApiV1FilesArgs, options?: GetApiV1FilesOptions) => {
const {baseUrl = "https://api.airtop.ai/api", fetch: fetchFn = fetch, defaultValue} = options ?? {}

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

if (args.sessionIds != null) query.append("sessionIds", String(args.sessionIds))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (defaultValue !== undefined) headers.set('authorization', `Bearer ${defaultValue}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/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(filesResponse, await res.json())
};