import {z} from 'zod'

export type GetApiV1EngagementsEngagementUuidFilesFileUuidArgs = {engagement_uuid: string, file_uuid: string};

export type GetApiV1EngagementsEngagementUuidFilesFileUuidOptions = {baseUrl?: string | undefined, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const halLink = z.object({href: z.string(), title: z.string().optional(), type: z.string()});

export const engagementFileReadLinks = z.object({fieldguide: halLink});

export const engagementFileRead = z.object({name: z.string(), size: z.number(), mime_type: z.string(), url: z.string().nullable(), url_expiration: z.string().nullable(), uuid: z.string(), created_at: z.string(), updated_at: z.string().nullable(), engagement_uuid: z.string(), folder_uuid: z.string().nullable(), _links: engagementFileReadLinks});

export const getApiV1EngagementsEngagementUuidFilesFileUuidResponse = z.object({data: engagementFileRead});

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
};

/**
 * Fetch a File by Engagement and File UUIDs
 * 
 * GET /v1/engagements/{engagement_uuid}/files/{file_uuid}
 */
export const getApiV1EngagementsEngagementUuidFilesFileUuid = async (args: GetApiV1EngagementsEngagementUuidFilesFileUuidArgs, options?: GetApiV1EngagementsEngagementUuidFilesFileUuidOptions) => {
const {baseUrl = "https://api.fieldguide.io", fetch: fetchFn = fetch, bearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/engagements/${encodeURIComponent(String(args.engagement_uuid))}/files/${encodeURIComponent(String(args.file_uuid))}${query.size > 0 ? `?${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(getApiV1EngagementsEngagementUuidFilesFileUuidResponse, await res.json())
};