import axios from "axios";
import queryString from "query-string";
import { DatabaseService } from "../services/databaseService";
import { MicrosoftOAuthOptions } from "../helpers/interface.types";

const dbService = DatabaseService.getInstance();

export const getAuthURLMicrosoft = (options: MicrosoftOAuthOptions) => {
  const params = queryString.stringify({
    client_id: options.clientId,
    redirect_uri: options.redirectUri,
    response_type: "code",
    scope: options.scope || 'openid email profile',
    state: Math.random().toString(36).substring(7),
  });
  return `https://login.microsoftonline.com/${options.tenantId}/oauth2/v2.0/authorize?${params}`;
};

export const getTokenMicrosoft = async (code: any, options: { tenantId: any; clientId: any; clientSecret: any; redirectUri: any; }) => {
  const response = await axios.post(
    `https://login.microsoftonline.com/${options.tenantId}/oauth2/v2.0/token`,
    queryString.stringify({
      client_id: options.clientId,
      client_secret: options.clientSecret,
      code,
      redirect_uri: options.redirectUri,
      grant_type: "authorization_code",
    }),
    { headers: { "Content-Type": "application/x-www-form-urlencoded" } }
  );
  return response.data.access_token;
};

export const getUserInfoMicrosoft = async (accessToken: any) => {
  const response = await axios.get("https://graph.microsoft.com/v1.0/me", {
    headers: { Authorization: `Bearer ${accessToken}` },
  });
  return response.data;
};

export const handleMicrosoftCallback = async (code: string, options: MicrosoftOAuthOptions) => {
  try {
    const accessToken = await getTokenMicrosoft(code, options);
    const profile = await getUserInfoMicrosoft(accessToken);

    // Now update the user's Microsoft ID in the database
    const user = await dbService.findUserByEmail(profile.userPrincipalName);
    if (user) {
      await dbService.updateUser(user.id, { microsoftId: profile.id });
    }

    return profile;
  } catch (err) {
    throw err;
  }
};