import { apiRequestData } from "./http";

export type WorkflowDefinitionEditorModel = {
  id: string;
  entityType: "reimbursement" | "leave" | "purchase_request" | "travel_request";
  name: string;
  version: number;
  status: "draft" | "published" | "archived" | "derived_readonly";
  steps: Array<{
    id: string;
    name: string;
    assigneeRule:
      | { type: "department_manager" }
      | { type: "role"; value: string }
      | { type: "specific_user"; value: string };
  }>;
  notes?: string;
  source: "manual" | "approval_rules_projection";
  createdAt: string | null;
  updatedAt: string | null;
  publishedAt: string | null;
  archivedAt: string | null;
};

export async function fetchWorkflowDefinitions() {
  return apiRequestData<{ items: WorkflowDefinitionEditorModel[] }>("/api/workflow-definitions");
}
export async function fetchWorkflowDefinition(id: string) {
  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>(`/api/workflow-definitions/${id}`);
}
export async function fetchActiveWorkflowDefinition(entityType: WorkflowDefinitionEditorModel["entityType"]) {
  return apiRequestData<{ item: WorkflowDefinitionEditorModel | null }>(`/api/workflow-definitions/entity/${entityType}/active`);
}
export async function createWorkflowDefinition(payload: { entityType: WorkflowDefinitionEditorModel["entityType"]; name: string; steps: WorkflowDefinitionEditorModel["steps"]; notes?: string }) {
  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>("/api/workflow-definitions", { method: "POST", body: JSON.stringify(payload) });
}
export async function updateWorkflowDefinition(id: string, payload: Partial<{ name: string; steps: WorkflowDefinitionEditorModel["steps"]; notes?: string }>) {
  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>(`/api/workflow-definitions/${id}`, { method: "PATCH", body: JSON.stringify(payload) });
}
export async function publishWorkflowDefinition(id: string) {
  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>(`/api/workflow-definitions/${id}/publish`, { method: "POST", body: JSON.stringify({}) });
}
export async function archiveWorkflowDefinition(id: string) {
  return apiRequestData<{ item: WorkflowDefinitionEditorModel }>(`/api/workflow-definitions/${id}/archive`, { method: "POST", body: JSON.stringify({}) });
}