import { apiGet } from "@/lib/api/client";

export type DashboardMaterials = {
  total: number;
  ready: number;
  processing: number;
  needs_review: number;
};

export type DashboardSource = {
  id: string;
  title: string;
  subject: string;
  status: "ready";
  material_type?: string | null;
  source_type?: string | null;
};

export type DashboardResult = {
  id: string;
  label: string;
  source_title: string;
  created_at: string | null;
};

export type DashboardStudyFocus = {
  exam: string | null;
  subject: string | null;
  time_left: string | null;
  goal: string | null;
  weak_areas: string[];
};

export type DashboardVideoLessons = {
  total: number;
  ready: number;
  in_progress: number;
};

export type DashboardRecommendedAction = {
  kind: "upload" | "wait" | "revise" | "generate" | "practice";
  label: string;
};

export type StudentDashboard = {
  materials: DashboardMaterials;
  recent_source: DashboardSource | null;
  recent_results: DashboardResult[];
  study_focus: DashboardStudyFocus;
  video_lessons: DashboardVideoLessons;
  recommended_action: DashboardRecommendedAction;
};

/** Fetch the aggregated student dashboard snapshot. User-scoped. */
export async function getStudentDashboard(options?: {
  signal?: AbortSignal;
}): Promise<StudentDashboard> {
  return apiGet<StudentDashboard>("/dashboard/student", {
    signal: options?.signal,
    timeoutMs: 15000,
  });
}