/*
 * Copyright (C) 2022 Savoir-faire Linux Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with this program.  If not, see
 * <https://www.gnu.org/licenses/>.
 */

import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
import axios from 'axios';
import { AccessToken, IAdminConfigState } from 'jami-web-common';
import { HttpStatusCode } from 'jami-web-common';
import { useContext } from 'react';
import { useNavigate } from 'react-router-dom';

import { AlertSnackbarContext } from '../contexts/AlertSnackbarProvider';
import { apiUrl } from '../utils/constants';

export const useSetupAdminMutation = () => {
  const navigate = useNavigate();
  const { setAlertContent } = useContext(AlertSnackbarContext);

  return useMutation({
    mutationKey: ['admin', 'setup'],
    mutationFn: async (password: string) => {
      const { data } = await axios.post('/admin/create', { password }, { baseURL: apiUrl });
      return data;
    },
    onSuccess: () => {
      //TODO: Do not login the admin for now in case we need to implement multi-factor authentication
      navigate('/admin/login');
    },
    onError: (e: any) => {
      if (e.response?.status === HttpStatusCode.BadRequest) {
        setAlertContent({
          messageI18nKey: 'login_invalid_credentials',
          severity: 'error',
          alertOpen: true,
        });
      } else {
        setAlertContent({
          messageI18nKey: 'unknown_error_alert',
          severity: 'error',
          alertOpen: true,
        });
      }
    },
  });
};

export const useLoginAdminMutation = () => {
  const navigate = useNavigate();
  const { setAlertContent } = useContext(AlertSnackbarContext);

  return useMutation({
    mutationKey: ['admin', 'login'],
    mutationFn: async (password: string) => {
      const { data } = await axios.post<AccessToken>('/admin/login', { password }, { baseURL: apiUrl });
      return data;
    },
    onSuccess: (data) => {
      localStorage.setItem('adminAccessToken', data.accessToken);
      navigate('/admin');
    },
    onError: (e: any) => {
      if (e.response?.status === HttpStatusCode.Forbidden) {
        setAlertContent({
          messageI18nKey: 'admin_page_setup_not_complete',
          severity: 'error',
          alertOpen: true,
        });
      } else if (e.response?.status === HttpStatusCode.BadRequest) {
        setAlertContent({
          messageI18nKey: 'password_input_helper_text_empty',
          severity: 'error',
          alertOpen: true,
        });
      } else if (e.response?.status === HttpStatusCode.Unauthorized) {
        setAlertContent({
          messageI18nKey: 'login_invalid_credentials',
          severity: 'error',
          alertOpen: true,
        });
      } else {
        setAlertContent({
          messageI18nKey: 'unknown_error_alert',
          severity: 'error',
          alertOpen: true,
        });
      }
    },
  });
};

//For non-react components that need to get the admin setup status
export const checkAdminSetupStatus = async () => {
  try {
    const { data } = await axios.get<{ isSetupComplete: boolean }>('/admin/check', { baseURL: apiUrl });
    return data.isSetupComplete;
  } catch (e) {
    console.log(e);
  }
};

//For react components that can invoke hooks
export const useCheckAdminSetupStatusQuery = () => {
  return useQuery({
    queryKey: ['admin', 'status'],
    queryFn: async () => {
      const { data } = await axios.get<{ isSetupComplete: boolean }>('/admin/check', { baseURL: apiUrl });
      return data.isSetupComplete;
    },
  });
};

export const useGetAdminConfigQuery = () => {
  const token = localStorage.getItem('adminAccessToken');
  const navigate = useNavigate();
  const { setAlertContent } = useContext(AlertSnackbarContext);

  return useQuery({
    queryKey: ['admin', 'config'],
    queryFn: async () => {
      const { data } = await axios.get('/admin/config', {
        baseURL: apiUrl,
        //TODO: create a intercepted axios instance for auth-required requests
        headers: {
          Authorization: `Bearer ${token}`,
        },
      });
      return data;
    },
    onError: (e: any) => {
      if (e.response.status === HttpStatusCode.Unauthorized) {
        localStorage.removeItem('adminAccessToken');
        navigate('/admin/login');
      } else {
        setAlertContent({
          messageI18nKey: 'unknown_error_alert',
          severity: 'error',
          alertOpen: true,
        });
      }
    },
  });
};

export const useUpdateAdminConfigMutation = () => {
  const token = localStorage.getItem('adminAccessToken');
  const navigate = useNavigate();
  const { setAlertContent } = useContext(AlertSnackbarContext);
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: async (adminConfig: Partial<IAdminConfigState>) => {
      const response = await axios.patch('/admin/config', adminConfig, {
        baseURL: apiUrl,
        headers: {
          Authorization: `Bearer ${token}`,
        },
      });
      return response;
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['admin', 'config'] });
    },
    onError: (e: any) => {
      if (e.repsponse.status === HttpStatusCode.Unauthorized) {
        localStorage.removeItem('adminAccessToken');
        navigate('/admin/login');
      } else {
        setAlertContent({
          messageI18nKey: 'unknown_error_alert',
          severity: 'error',
          alertOpen: true,
        });
      }
    },
  });
};