export default function DingtalkProvider(options: OAuthUserConfig<DingtalkProfile>): OAuthConfig<DingtalkProfile> {
  return {
    id: "dingtalk",
    name: "DingTalk", 
    type: "oauth",
    authorization: {
      url: "https://login.dingtalk.com/oauth2/auth",
      params: {
        scope: 'openid corpid',
        response_type: 'code',
      }
    },
    token: {
      url: 'https://api.dingtalk.com/v1.0/oauth2/userAccessToken',
      async request(context) {
        console.log("=== Custom Token Request Started ==="); // This log never appears
        
        // DingTalk API requires special JSON format parameters
        const response = await fetch('https://api.dingtalk.com/v1.0/oauth2/userAccessToken', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({
            clientId: options.clientId,
            clientSecret: options.clientSecret,
            code: context.params.code,
            grantType: 'authorization_code'
          }),
        });
        
        const data = await response.json();
        return {
          tokens: {
            access_token: data.accessToken,
            expires_in: data.expireIn ?? 7200,
            refresh_token: data.refreshToken ?? '',
            token_type: "Bearer",
          }
        };
      },
    },
    // ... other configurations
  };
}