import {z} from 'zod'

export type MailingInput = {subject: string, language: string, groups: string, sendAt: string, replyTo?: string | undefined, fromName?: string | undefined, mailFrom?: string | undefined, bodyHtml?: string | undefined, bodyText?: string | undefined, googleAnalytics?: boolean | undefined, googleAnalyticsCampaign?: string | undefined, mailingStatistics?: ('detailed' | 'anonymized') | undefined, updateProfileForm?: number | undefined};

export type CreateApiMailingsArgs = {body: MailingInput};

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

export const mailingDetail = z.object({id: z.number().int().optional(), subject: z.string().optional(), language: z.string().optional(), startedOn: z.string().nullable().optional(), scheduledOn: z.string().nullable().optional(), replyTo: z.string().optional(), bodyHtml: z.string().optional(), bodyText: z.string().optional(), recipientsCount: z.number().int().optional(), emailsSent: z.number().int().optional(), emailsDelivered: z.number().int().optional(), emailsStopped: z.number().int().optional(), views: z.number().int().optional(), clicks: z.number().int().optional(), sentToFriend: z.number().int().optional(), incorrectAddresses: z.number().int().optional(), technicalProblems: z.number().int().optional(), deliveryRate: z.number().optional(), clickRate: z.number().optional(), viewRate: z.number().optional(), status: z.string().optional(), mailFrom: z.string().optional(), fromName: z.string().optional(), mailingStatistics: z.string().optional(), links: z.array(z.object({id: z.number().int().optional(), url: z.string().optional(), clicksUnique: z.number().int().optional(), clicksTotal: z.number().int().optional()})).optional(), recipientGroups: z.array(z.object({id: z.number().int().optional(), title: z.string().optional()})).optional(), viewOnlineURL: z.string().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 new mailing
 * 
 * POST /mailings
 */
export const createApiMailings = async (args: CreateApiMailingsArgs, options?: CreateApiMailingsOptions) => {
const {baseUrl = "https://api.cyberimpact.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

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