import {z} from 'zod'

export type GetApiUsersUserIdPropertiesArgs = {user_id: string};

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

export const v4UserPropertyItem = z.object({object: z.literal("user_property"), key: z.string(), value: z.string()});

export const v4UserPropertyList = z.object({object: z.literal("list"), url: z.string(), data: z.array(v4UserPropertyItem), has_more: z.boolean(), next_cursor: z.string().nullable().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
};

/**
 * List properties for a user
 * 
 * GET /users/{user_id}/properties
 */
export const getApiUsersUserIdProperties = async (args: GetApiUsersUserIdPropertiesArgs, options?: GetApiUsersUserIdPropertiesOptions) => {
const {baseUrl = "https://api.qonversion.io/v4", fetch: fetchFn = fetch, secretAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/users/${encodeURIComponent(String(args.user_id))}/properties${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(v4UserPropertyList, await res.json())
};