import {z} from 'zod'

export type GetApiV2ApprovalRequestsApprovalRequestIdStepsStepIdArgs = {approval_request_id: string, step_id: string};

export type GetApiV2ApprovalRequestsApprovalRequestIdStepsStepIdOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const svflowCommonModelsApprovalRequestResult = z.enum(["APPROVAL_REQUEST_RESULT_UNSPECIFIED", "PENDING", "APPROVED", "DENIED", "TIMEDOUT", "CANCELED"]);

export const svflowCommonModelsApprovalRequestUserType = z.enum(["APPROVAL_REQUEST_USER_TYPE_UNSPECIFIED", "PRIMARY", "SECONDARY", "OVERRIDE"]);

export const googleProtobufTimestamp = z.string();

export const svflowPubapimodelsApprovalRequestStepResolution = z.object({id: z.string().optional(), approverUserId: z.string().optional(), approverType: svflowCommonModelsApprovalRequestUserType.optional(), result: svflowCommonModelsApprovalRequestResult.optional(), resultSetAt: googleProtobufTimestamp.optional(), autoApproved: z.boolean().optional(), justification: z.string().nullable().optional(), delegatedFromUserId: z.string().nullable().optional()});

export const svflowCommonModelsConfiguredApproverSourceType = z.enum(["CONFIGURED_APPROVER_SOURCE_TYPE_UNSPECIFIED", "CONFIGURED_APPROVER_SOURCE_TYPE_GROUP", "CONFIGURED_APPROVER_SOURCE_TYPE_MANAGER", "CONFIGURED_APPROVER_SOURCE_TYPE_APP_OWNER", "CONFIGURED_APPROVER_SOURCE_TYPE_TEAM_OWNER", "CONFIGURED_APPROVER_SOURCE_TYPE_RESOURCE_OWNER", "CONFIGURED_APPROVER_SOURCE_TYPE_ROLE_OWNER"]);

export const svflowCommonModelsConfiguredApproverSource = z.object({type: svflowCommonModelsConfiguredApproverSourceType.optional(), id: z.string().optional()});

export const svflowPubapimodelsApproverAssignment = z.object({reason: z.string().nullable().optional()});

export const svflowCommonModelsWorkflowRunStatus = z.enum(["WORKFLOW_RUN_STATUS_UNSPECIFIED", "WORKFLOW_RUN_STATUS_PENDING", "WORKFLOW_RUN_STATUS_RUNNING", "WORKFLOW_RUN_STATUS_COMPLETED", "WORKFLOW_RUN_STATUS_FAILED", "WORKFLOW_RUN_STATUS_DENIED", "WORKFLOW_RUN_STATUS_CANCELED"]);

export const svflowPubapimodelsAutoResolution = z.object({result: svflowCommonModelsApprovalRequestResult.optional(), reason: z.string().nullable().optional()});

export const svflowPubapimodelsApprovalRequestStepCustomWorkflowRun = z.union([z.object({approverAssignment: svflowPubapimodelsApproverAssignment, runId: z.string().optional(), status: svflowCommonModelsWorkflowRunStatus.optional()}), z.object({autoResolution: svflowPubapimodelsAutoResolution, runId: z.string().optional(), status: svflowCommonModelsWorkflowRunStatus.optional()})]);

export const svflowPubapimodelsApprovalRequestStep = z.object({id: z.string().optional(), stepNumber: z.number().int().optional(), result: svflowCommonModelsApprovalRequestResult.optional(), resolutions: z.array(svflowPubapimodelsApprovalRequestStepResolution).optional(), configuredApproverSources: z.array(svflowCommonModelsConfiguredApproverSource).optional(), customWorkflowRun: svflowPubapimodelsApprovalRequestStepCustomWorkflowRun.optional()});

export const svflowPublicapiGetApprovalRequestStepResponse = z.object({data: svflowPubapimodelsApprovalRequestStep.optional()});

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 Approval Request Step
 * 
 * GET /v2/approval-requests/{approval_request_id}/steps/{step_id}
 */
export const getApiV2ApprovalRequestsApprovalRequestIdStepsStepId = async (args: GetApiV2ApprovalRequestsApprovalRequestIdStepsStepIdArgs, options?: GetApiV2ApprovalRequestsApprovalRequestIdStepsStepIdOptions) => {
const {baseUrl = "https://public.api.serval.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v2/approval-requests/${encodeURIComponent(String(args.approval_request_id))}/steps/${encodeURIComponent(String(args.step_id))}${query.size > 0 ? `?${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(svflowPublicapiGetApprovalRequestStepResponse, await res.json())
};