import {z} from 'zod'

export type CreateApi30ListsArgs = {body: {campaign_defaults: {from_email: string, from_name: string, language: string, subject: string}, contact: {address1: string, address2?: string | undefined, city: string, company: string, country: string, phone?: string | undefined, state?: string | undefined, zip?: string | undefined}, double_optin?: boolean | undefined, email_type_option: boolean, marketing_permissions?: boolean | undefined, name: string, notify_on_subscribe?: string | undefined, notify_on_unsubscribe?: string | undefined, permission_reminder: string, use_archive_bar?: boolean | undefined}};

export type CreateApi30ListsOptions = {baseUrl?: string | undefined, bearerToken?: string | undefined, fetch?: typeof fetch | undefined};

export const createApi30ListsResponse = z.object({_links: z.array(z.object({href: z.string().optional(), method: z.enum(["GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS", "HEAD"]).optional(), rel: z.string().optional(), schema: z.string().optional(), targetSchema: z.string().optional()})).optional(), beamer_address: z.string().optional(), campaign_defaults: z.object({from_email: z.string().optional(), from_name: z.string().optional(), language: z.string().optional(), subject: z.string().optional()}).optional(), contact: z.object({address1: z.string().optional(), address2: z.string().optional(), city: z.string().optional(), company: z.string().optional(), country: z.string().optional(), phone: z.string().optional(), state: z.string().optional(), zip: z.string().optional()}).optional(), date_created: z.string().optional(), double_optin: z.boolean().optional(), email_type_option: z.boolean().optional(), has_welcome: z.boolean().optional(), id: z.string().optional(), list_rating: z.number().int().optional(), marketing_permissions: z.boolean().optional(), modules: z.array(z.string()).optional(), name: z.string().optional(), notify_on_subscribe: z.string().optional(), notify_on_unsubscribe: z.string().optional(), permission_reminder: z.string().optional(), stats: z.object({avg_sub_rate: z.number().optional(), avg_unsub_rate: z.number().optional(), campaign_count: z.number().int().optional(), campaign_last_sent: z.string().optional(), cleaned_count: z.number().int().optional(), cleaned_count_since_send: z.number().int().optional(), click_rate: z.number().optional(), last_sub_date: z.string().optional(), last_unsub_date: z.string().optional(), member_count: z.number().int().optional(), member_count_since_send: z.number().int().optional(), merge_field_count: z.number().int().optional(), open_rate: z.number().optional(), target_sub_rate: z.number().optional(), total_contacts: z.number().int().optional(), unsubscribe_count: z.number().int().optional(), unsubscribe_count_since_send: z.number().int().optional()}).optional(), subscribe_url_long: z.string().optional(), subscribe_url_short: z.string().optional(), use_archive_bar: z.boolean().optional(), visibility: z.enum(["pub", "prv"]).optional(), web_id: z.number().int().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
};

/**
 * Add list
 * 
 * POST /3.0/lists
 * 
 * Also accepts auth: oauth2
 */
export const createApi30Lists = async (args: CreateApi30ListsArgs, options?: CreateApi30ListsOptions) => {
const {baseUrl = "https://api.mailchimp.com", fetch: fetchFn = fetch, bearerToken} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/3.0/lists${query.size > 0 ? `?${query}` : ''}`

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

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

return validateResponse(createApi30ListsResponse, await res.json())
};