import {z} from 'zod'

export type GetApiApiInternalDesktopFallbackEventsArgs = {limit?: number | undefined};

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

export const getApiApiInternalDesktopFallbackEventsResponse = z.object({events: z.array(z.object({id: z.string(), receivedAt: z.string(), channel: z.string(), status: z.string(), reasonCode: z.string().nullable(), accountId: z.string().nullable(), to: z.string().nullable(), threadId: z.string().nullable(), sessionKey: z.string().nullable(), actionId: z.string().nullable(), fallbackOutcome: z.enum(["sent", "skipped", "failed"]), fallbackReason: z.string(), error: z.string().nullable(), sendResult: z.object({runId: z.string().optional(), messageId: z.string().optional(), channel: z.string().optional(), chatId: z.string().optional(), conversationId: z.string().optional()}).nullable()}))});

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
};

/**
 * GET /api/internal/desktop/fallback-events
 */
export const getApiApiInternalDesktopFallbackEvents = async (args: GetApiApiInternalDesktopFallbackEventsArgs, options: GetApiApiInternalDesktopFallbackEventsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))

const url = `${baseUrl.replace(/\/+$/, '')}/api/internal/desktop/fallback-events${query.size > 0 ? `?${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(getApiApiInternalDesktopFallbackEventsResponse, await res.json())
};