import {z} from 'zod'

export type UpdateApiTemplatesIdDocumentsOrderArgs = {id: string, body: {document_ids: Array<string>}};

export type UpdateApiTemplatesIdDocumentsOrderOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const documentSummary = z.object({document_id: z.string().nullable(), position: z.number().int().gte(1), label: z.string().max(200).nullable(), original_filename: z.string().max(255).nullable(), page_count: z.number().int().nullable(), document_url: z.string().nullable().optional(), document_url_kind: z.enum(["stored", "signed", "null"]).nullable(), document_only_hash: z.string().nullable().optional()});

export const documentSetMutationResponse = z.object({documents: z.array(documentSummary), documents_version: z.number().int(), documents_layout_version: z.number().int()});

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
};

/**
 * Reorder a template's documents
 * 
 * PUT /templates/{id}/documents/order
 */
export const updateApiTemplatesIdDocumentsOrder = async (args: UpdateApiTemplatesIdDocumentsOrderArgs, options?: UpdateApiTemplatesIdDocumentsOrderOptions) => {
const {baseUrl = "https://api.firma.dev/functions/v1/signing-request-api", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/templates/${encodeURIComponent(String(args.id))}/documents/order${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", headers, body: JSON.stringify(args.body)})

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

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