import {z} from 'zod'

export type GetApiDocumentsArgs = {order_id?: string | undefined, order_uuid?: unknown | undefined, query_id?: string | undefined, query_uuid?: unknown | undefined, chase_uuid?: unknown | undefined, limit?: number | undefined, offset?: number | undefined, 'version-datavant'?: string | undefined};

export type GetApiDocumentsOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const documentType = z.enum(["chart", "provider_packet", "health_plan_letter", "request_letter", "letter_of_representation", "patient_authorization", "request_file", "supplemental_data", "merge_report", "quality_review_guide", "provider_packet_additional_document"]);

export const documentLinks = z.object({download: z.string().min(1).max(2083)});

export const documentResponse = z.object({uuid: z.string(), type: documentType, metadata: z.object({}), created_at: z.string(), updated_at: z.string().optional(), links: documentLinks.optional()});

export const links = z.object({first: z.string().optional(), last: z.string().optional(), self: z.string().optional(), next: z.string().optional(), prev: z.string().optional()});

export const jsonApiPageDocumentResponse = z.object({data: z.array(documentResponse), total: z.number().int().gte(0), limit: z.number().int().gte(1).optional(), offset: z.number().int().gte(0).optional(), links: links, unfiltered_total: z.number().int().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
};

/**
 * List all documents
 * 
 * GET /documents
 */
export const getApiDocuments = async (args: GetApiDocumentsArgs, options?: GetApiDocumentsOptions) => {
const {baseUrl = "https://api.datavant.io/v2", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (args.order_id != null) query.append("order_id", String(args.order_id))
if (args.order_uuid != null) query.append("order_uuid", String(args.order_uuid))
if (args.query_id != null) query.append("query_id", String(args.query_id))
if (args.query_uuid != null) query.append("query_uuid", String(args.query_uuid))
if (args.chase_uuid != null) query.append("chase_uuid", String(args.chase_uuid))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args['version-datavant'] != null) headers.set("version-datavant", String(args['version-datavant']))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/documents${query.size > 0 ? `?${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(jsonApiPageDocumentResponse, await res.json())
};