import {z} from 'zod'

export type GetApiTemplatesArgs = {name?: string | undefined, status?: string | undefined, assetTypeId?: string | undefined, latestVersionOnly?: boolean | undefined, limit?: number | undefined, cursor?: string | undefined};

export type GetApiTemplatesOptions = {baseUrl: string, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const assetType = z.object({id: z.string()});

export const retakePermission = z.string();

export const template = z.object({id: z.string(), name: z.string(), version: z.number().int(), status: z.string(), assetType: assetType.optional(), notification: z.boolean().optional(), retakePermission: retakePermission.optional()});

export const pagedTemplates = z.object({nextCursor: z.string().optional(), results: z.array(template)});

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 templates
 * 
 * GET /templates
 * 
 * Also accepts auth: jwtAuth, oauth2, oauth2
 */
export const getApiTemplates = async (args: GetApiTemplatesArgs, options: GetApiTemplatesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.name != null) query.append("name", String(args.name))
if (args.status != null) query.append("status", String(args.status))
if (args.assetTypeId != null) query.append("assetTypeId", String(args.assetTypeId))
if (args.latestVersionOnly != null) query.append("latestVersionOnly", String(args.latestVersionOnly))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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