import {z} from 'zod'

export type GetApiMessagesArgs = {archived?: (boolean | null) | undefined, cursor?: (string | null) | undefined, event?: (string | null) | undefined, list?: (string | null) | undefined, messageId?: (string | null) | undefined, notification?: (string | null) | undefined, provider?: (Array<string | null>) | undefined, recipient?: (string | null) | undefined, status?: (Array<string | null>) | undefined, tag?: (Array<string | null>) | undefined, tags?: (string | null) | undefined, tenant_id?: (string | null) | undefined, enqueued_after?: (string | null) | undefined, traceId?: (string | null) | undefined};

export type GetApiMessagesOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const paging = z.object({cursor: z.string().nullable().optional(), more: z.boolean()});

export const messageStatus = z.enum(["CANCELED", "CLICKED", "DELAYED", "DELIVERED", "DIGESTED", "ENQUEUED", "FILTERED", "OPENED", "ROUTED", "SENT", "SIMULATED", "THROTTLED", "UNDELIVERABLE", "UNMAPPED", "UNROUTABLE"]);

export const reason = z.enum(["BOUNCED", "FAILED", "FILTERED", "NO_CHANNELS", "NO_PROVIDERS", "OPT_IN_REQUIRED", "PROVIDER_ERROR", "UNPUBLISHED", "UNSUBSCRIBED"]);

export const messageDetails = z.object({id: z.string(), status: messageStatus, enqueued: z.number().int(), sent: z.number().int().optional(), delivered: z.number().int().optional(), opened: z.number().int().optional(), clicked: z.number().int().optional(), recipient: z.string(), event: z.string(), notification: z.string(), error: z.string().nullable().optional(), reason: reason.optional()});

export const listMessagesResponse = z.object({paging: paging, results: z.array(messageDetails)});

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 messages
 * 
 * GET /messages
 */
export const getApiMessages = async (args: GetApiMessagesArgs, options?: GetApiMessagesOptions) => {
const {baseUrl = "https://api.courier.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.archived != null) query.append("archived", String(args.archived))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.event != null) query.append("event", String(args.event))
if (args.list != null) query.append("list", String(args.list))
if (args.messageId != null) query.append("messageId", String(args.messageId))
if (args.notification != null) query.append("notification", String(args.notification))
for (const item of args.provider ?? []) query.append("provider", String(item))
if (args.recipient != null) query.append("recipient", String(args.recipient))
for (const item of args.status ?? []) query.append("status", String(item))
for (const item of args.tag ?? []) query.append("tag", String(item))
if (args.tags != null) query.append("tags", String(args.tags))
if (args.tenant_id != null) query.append("tenant_id", String(args.tenant_id))
if (args.enqueued_after != null) query.append("enqueued_after", String(args.enqueued_after))
if (args.traceId != null) query.append("traceId", String(args.traceId))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

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