import { create } from "zustand";
import api from "@/lib/api";
import type { User, Organization } from "@/lib/types";

export type { Organization };

interface AuthState {
  user: User | null;
  isLoading: boolean;
  isAuthenticated: boolean;
  _hasFetched: boolean;
  fetchUser: () => Promise<void>;
  login: (email: string, password: string, orgId?: string) => Promise<void>;
  logout: () => Promise<void>;
  setAuth: (user: User) => void;
  switchOrg: (orgId: string) => Promise<void>;
}

export const useAuthStore = create<AuthState>((set, get) => ({
  user: null,
  isLoading: true,
  isAuthenticated: false,
  _hasFetched: false,

  fetchUser: async () => {
    if (get()._hasFetched) return;
    set({ _hasFetched: true });

    const controller = new AbortController();
    const timeout = setTimeout(() => controller.abort(), 5000);

    try {
      const user = await api.get<User>("/api/v1/auth/me", { signal: controller.signal });
      set({ user, isAuthenticated: true, isLoading: false });
    } catch {
      set({ user: null, isAuthenticated: false, isLoading: false });
    } finally {
      clearTimeout(timeout);
    }
  },

  login: async (email: string, password: string, orgId?: string) => {
    const data = await api.post<{ user: User }>("/api/v1/auth/login", {
      email,
      password,
      org_id: orgId,
    });
    set({ user: data.user, isAuthenticated: true, isLoading: false });
  },

  setAuth: (user: User) => {
    set({ user, isAuthenticated: true, isLoading: false });
  },

  logout: async () => {
    try {
      await api.post("/api/v1/auth/logout");
    } catch {
      // ignore
    } finally {
      set({ user: null, isAuthenticated: false, _hasFetched: false });
    }
  },

  switchOrg: async (orgId: string) => {
    const data = await api.post<{
      message: string;
      org: Organization;
      user?: User;
    }>("/api/v1/auth/switch-org", { org_id: orgId });
    if (data.user && data.org) {
      set({ user: { ...data.user, org_id: orgId, org: data.org }, isAuthenticated: true });
    } else {
      const user = get().user;
      if (user && data.org) {
        set({ user: { ...user, org_id: orgId, org: data.org } });
      }
    }
  },
}));