import { cache } from "react";
import { fetchGanttApi } from "@/lib/data/gantt-api";
import type { Task } from "@/lib/data/tasks";
import type { Project, Sprint } from "@/lib/data/projects";

interface SnapshotResponse {
  tasks?: Task[];
  projects?: Project[];
  sprints?: Sprint[];
}

export interface GanttSnapshot {
  tasks: Task[];
  projects: Project[];
  sprints: Sprint[];
}

export const fetchGanttSnapshot = cache(async (): Promise<GanttSnapshot> => {
  try {
    const response = await fetchGanttApi<SnapshotResponse>("/tasks?scope=all");
    return {
      tasks: Array.isArray(response.tasks) ? response.tasks : [],
      projects: Array.isArray(response.projects) ? response.projects : [],
      sprints: Array.isArray(response.sprints) ? response.sprints : [],
    };
  } catch (error) {
    console.error("Error fetching gantt snapshot from API:", error);
    return { tasks: [], projects: [], sprints: [] };
  }
});