import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
import { api } from "../client.js";

export function useBootstrap() {
  return useQuery({
    queryKey: ["bootstrap"],
    queryFn: async () => (await api.get("/auth/bootstrap")).data,
  });
}

export function useMe() {
  return useQuery({
    queryKey: ["me"],
    queryFn: async () => {
      try {
        return (await api.get("/auth/me")).data;
      } catch (err) {
        if (err.response?.status === 401) return { user: null };
        throw err;
      }
    },
    retry: false,
  });
}

export function useLogin() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: async (body) => (await api.post("/auth/login", body)).data,
    onSuccess: (data) => {
      qc.setQueryData(["me"], data);
      qc.invalidateQueries({ queryKey: ["bootstrap"] });
    },
  });
}

export function useRegister() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: async (body) => (await api.post("/auth/register", body)).data,
    onSuccess: (data) => {
      qc.setQueryData(["me"], data);
      qc.invalidateQueries({ queryKey: ["bootstrap"] });
    },
  });
}

export function useLogout() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: async () => (await api.post("/auth/logout")).data,
    onSuccess: () => {
      qc.setQueryData(["me"], null);
      qc.clear();
    },
  });
}

export function useUsers() {
  return useQuery({
    queryKey: ["users"],
    queryFn: async () => (await api.get("/users")).data.users,
  });
}

export function useCreateUser() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: async (body) => (await api.post("/users", body)).data,
    onSuccess: () => qc.invalidateQueries({ queryKey: ["users"] }),
  });
}

export function useUpdateUser() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: async ({ id, ...body }) =>
      (await api.patch(`/users/${encodeURIComponent(id)}`, body)).data,
    onSuccess: () => qc.invalidateQueries({ queryKey: ["users"] }),
  });
}

export function useDeleteUser() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: async (id) =>
      (await api.delete(`/users/${encodeURIComponent(id)}`)).data,
    onSuccess: () => qc.invalidateQueries({ queryKey: ["users"] }),
  });
}