import {z} from 'zod'

export type GetApiAppLinkingMetaArgs = {perPage?: number | undefined, cursor?: string | undefined};

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

export const appLinkingMetaAccountSchema = z.object({id: z.number().int(), externalId: z.string(), accountId: z.string(), name: z.string().nullable(), currency: z.string().nullable(), timezoneName: z.string().nullable(), accountStatus: z.number().int().nullable(), selected: z.boolean()});

export const appLinkingMetaSchema = z.object({id: z.number().int(), externalUserId: z.string().nullable(), name: z.string().nullable(), status: z.string(), scopes: z.array(z.string()), accountsCount: z.number().int(), selectedAccount: appLinkingMetaAccountSchema.nullable()});

export const getApiAppLinkingMetaResponse = z.object({items: z.array(appLinkingMetaSchema), perPage: z.number().int(), previous: z.string().nullable(), next: z.string().nullable()});

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
};

/**
 * GET /app/linking/meta
 */
export const getApiAppLinkingMeta = async (args: GetApiAppLinkingMetaArgs, options: GetApiAppLinkingMetaOptions) => {
const {baseUrl, fetch: fetchFn = fetch, token} = options ?? {}

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

if (args.perPage != null) query.append("perPage", String(args.perPage))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (token !== undefined) headers.set("authorization", token)

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