import {z} from 'zod'

export type GetApiWhatsappBroadcastsArgs = {phone_number_id?: string | undefined, status?: ('draft' | 'sending' | 'completed' | 'failed') | undefined, created_after?: string | undefined, created_before?: string | undefined, per_page?: number | undefined, page?: number | undefined};

export type GetApiWhatsappBroadcastsOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const whatsappBroadcastTemplate = z.object({id: z.string(), meta_template_id: z.string().nullable().optional(), name: z.string(), language_code: z.string(), category: z.string(), status: z.string(), components: z.array(z.record(z.string(), z.unknown())).optional()});

export const whatsappBroadcast = z.object({id: z.string(), name: z.string(), status: z.enum(["draft", "scheduled", "sending", "stopped", "completed", "failed"]), scheduled_at: z.string().nullable().optional(), started_at: z.string().nullable().optional(), stopped_at: z.string().nullable().optional(), completed_at: z.string().nullable().optional(), created_at: z.string(), updated_at: z.string(), sent_count: z.number().int().gte(0).optional(), failed_count: z.number().int().gte(0).optional(), delivered_count: z.number().int().gte(0).optional(), read_count: z.number().int().gte(0).optional(), pending_count: z.number().int().gte(0).optional(), responded_count: z.number().int().gte(0).optional(), response_rate: z.number().optional(), total_recipients: z.number().int().gte(0), phone_number_id: z.string().nullable().optional(), whatsapp_template: whatsappBroadcastTemplate.nullable().optional()});

export const paginationMeta = z.object({page: z.number().int().gte(1), per_page: z.number().int().gte(1), total_pages: z.number().int().gte(0), total_count: z.number().int().gte(0)});

export const whatsappBroadcastListResponse = z.object({data: z.array(whatsappBroadcast), meta: paginationMeta});

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 broadcasts
 * 
 * GET /whatsapp/broadcasts
 */
export const getApiWhatsappBroadcasts = async (args: GetApiWhatsappBroadcastsArgs, options?: GetApiWhatsappBroadcastsOptions) => {
const {baseUrl = "https://api.kapso.ai/platform/v1", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.phone_number_id != null) query.append("phone_number_id", String(args.phone_number_id))
if (args.status != null) query.append("status", String(args.status))
if (args.created_after != null) query.append("created_after", String(args.created_after))
if (args.created_before != null) query.append("created_before", String(args.created_before))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.page != null) query.append("page", String(args.page))
if (ApiKeyAuth !== undefined) headers.set("X-API-Key", ApiKeyAuth)

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