import {z} from 'zod'

export type CreateBroadcastInput = {segment_id: string, topic_id?: string | undefined, from: string, subject: string, html?: string | undefined, text?: string | undefined, reply_to?: string | undefined, name?: string | undefined, scheduled_at?: (string | string) | undefined, ab_test?: ({variants: Array<{name: string, subject: string, html?: string | undefined, text?: string | undefined, weight: number}>, test_sample_size?: number | undefined, test_duration_minutes?: number | undefined}) | undefined};

export type CreateApiBroadcastsArgs = {body: CreateBroadcastInput};

export type CreateApiBroadcastsOptions = {baseUrl?: string | undefined, bearerApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const broadcast = z.object({id: z.number().int(), publicId: z.string(), name: z.string(), fromAddress: z.string().optional(), fromName: z.string().nullable().optional(), subject: z.string(), htmlBody: z.string().nullable().optional(), textBody: z.string().nullable().optional(), replyTo: z.array(z.string()).nullable().optional(), segmentId: z.number().int().nullable().optional(), segmentPublicId: z.string().nullable().optional(), topicId: z.number().int().nullable().optional(), topicPublicId: z.string().nullable().optional(), status: z.enum(["draft", "queued", "sending", "sent", "cancelled"]), scheduledAt: z.string().nullable().optional(), sentAt: z.string().nullable().optional(), totalRecipients: z.number().int().optional(), deliveredCount: z.number().int().optional(), openedCount: z.number().int().optional(), clickedCount: z.number().int().optional(), bouncedCount: z.number().int().optional(), deferredCount: z.number().int().optional(), abTestEnabled: z.boolean().optional(), winnerVariantId: z.number().int().nullable().optional(), testSampleSize: z.number().int().nullable().optional(), testDurationMinutes: z.number().int().nullable().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const createApiBroadcastsResponse = z.object({broadcast: broadcast});

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 draft broadcast
 * 
 * POST /broadcasts
 * 
 * Also accepts auth: bearerOAuth
 */
export const createApiBroadcasts = async (args: CreateApiBroadcastsArgs, options?: CreateApiBroadcastsOptions) => {
const {baseUrl = "https://api.poststack.dev", fetch: fetchFn = fetch, bearerApiKey} = options ?? {}

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

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

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