import {z} from 'zod'

export type CreateApiFilesArgs = {body: BodyInit};

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

export const fileHref = z.string();

export const timestamp = z.string();

export const fileArchiveDirectory = z.object({path: z.string().optional(), size: z.number().optional(), updated: timestamp.optional()});

export const fileArchiveDetails = z.object({directory: z.array(fileArchiveDirectory).optional()});

export const fileVersion = z.object({file_name: z.string().optional(), version: z.number().int().optional(), details: fileArchiveDetails.optional(), content_type: z.string().optional(), label: z.string().optional(), created: timestamp.optional()});

export const file = z.object({href: fileHref.optional(), name: z.string().optional(), description: z.string().optional(), type: z.enum(["bootstrap", "geo-db", "handler", "microsite", "waf-rules"]).optional(), details: fileArchiveDetails.optional(), created_by: z.string().optional(), created: timestamp.optional(), updated: timestamp.optional(), current_version: z.number().int().optional(), versions: z.array(fileVersion).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
};

/**
 * Create a file.
 * 
 * POST /files
 */
export const createApiFiles = async (args: CreateApiFilesArgs, options?: CreateApiFilesOptions) => {
const {baseUrl = "https://api.webscale.com/v2", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/files${query.size > 0 ? `?${query}` : ''}`

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

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

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