import {z} from 'zod'

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

export const numberingEventData = z.object({entityLocator: z.string()});

export const numberingEvents = z.object({"task.numberAssignmentFailed": numberingEventData.optional()});

export const taskData = z.object({taskLocator: z.string(), taskState: z.enum(["active", "completed", "cancelled"])});

export const listPageResponseString = z.object({listCompleted: z.boolean(), items: z.array(z.string())});

export const taskUpdateData = z.object({taskLocator: z.string(), taskState: z.enum(["active", "completed", "cancelled"]), newLabels: listPageResponseString, removedLabels: listPageResponseString});

export const taskEvents = z.object({"task.create": taskData.optional(), "task.unassign": taskData.optional(), "task.assign": taskData.optional(), "task.activate": taskData.optional(), "task.cancel": taskData.optional(), "task.complete": taskData.optional(), "task.update": taskUpdateData.optional()});

export const userAssociationEventData = z.object({userAssociationLocator: z.string(), referenceType: z.enum(["account", "quickQuote", "quote", "policy", "transaction", "invoice", "underwritingFlag", "payment", "quoteGroup", "inquiry"]), referenceLocator: z.string()});

export const userAssociationEvents = z.object({"userAssociation.disassociated": userAssociationEventData.optional(), "userAssociation.uncompleted": userAssociationEventData.optional(), "userAssociation.associated": userAssociationEventData.optional(), "userAssociation.completed": userAssociationEventData.optional()});

export const workplanNotFoundPayload = z.object({workplanName: z.string()});

export const workplanPayload = z.object({workplanLocator: z.string()});

export const workplanEvents = z.object({"workmanagement.workplan.notfound": workplanNotFoundPayload.optional(), "workmanagement.workplan.executionerror": workplanPayload.optional()});

export const workManagementServiceEventTypeDefinitions = z.object({numberingEvents: numberingEvents, taskEvents: taskEvents, userAssociationEvents: userAssociationEvents, workplanEvents: workplanEvents});

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 /work-management/events
 */
export const getApiWorkManagementEvents = async (options: GetApiWorkManagementEventsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/work-management/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(workManagementServiceEventTypeDefinitions, await res.json())
};