import {z} from 'zod'

export type GetApiApiPreviewCapsulesIdInstructionExportArgs = {id: string};

export type GetApiApiPreviewCapsulesIdInstructionExportOptions = {baseUrl: string, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiApiPreviewCapsulesIdInstructionExportResponse = z.object({body: z.string().max(524288), bytes: z.number().int().gte(0).lte(9007199254740991), capsule: z.object({id: z.string().max(36), ref: z.string().max(402), title: z.string().max(2000)}).and(z.record(z.string(), z.unknown())), document: z.string().max(525312), markers: z.object({begin: z.string().max(1024), end: z.string().max(1024)}).and(z.record(z.string(), z.unknown())), report: z.object({unexpanded: z.array(z.object({reason: z.enum(["deleted", "unavailable", "encrypted", "empty_body"]), ref: z.string().max(524288)}).and(z.record(z.string(), z.unknown()))), warnings: z.array(z.object({reason: z.enum(["archived", "no_summary", "summary_stale", "marker_line"]), ref: z.string().max(524288)}).and(z.record(z.string(), z.unknown())))}).and(z.record(z.string(), z.unknown()))}).and(z.record(z.string(), z.unknown()));

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
};

/**
 * Render a capsule as an instruction file, with referenced summaries and bodies in place
 * 
 * GET /api/preview/capsules/{id}/instruction-export
 * 
 * Also accepts auth: cookieAuth, oauth2
 */
export const getApiApiPreviewCapsulesIdInstructionExport = async (args: GetApiApiPreviewCapsulesIdInstructionExportArgs, options: GetApiApiPreviewCapsulesIdInstructionExportOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/preview/capsules/${encodeURIComponent(String(args.id))}/instruction-export${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(getApiApiPreviewCapsulesIdInstructionExportResponse, await res.json())
};