diff --git a/.gitignore b/.gitignore
index c4c7ab6..734f9d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,3 +42,4 @@ app.*.map.json
 # Exceptions to above rules.
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
 android/key.properties
+android/key.jks
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 62ecdbb..e7b950e 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -2,7 +2,19 @@
     "version": "0.2.0",
     "configurations": [
         {
-            "name": "Flutter Dev",
+            "name": "Local Dev",
+            "request": "launch",
+            "type": "dart",
+            "program": "lib/main-local.dart",
+            "args": [
+                "-t",
+                "lib/main-local.dart",
+                "--flavor",
+                "dev"
+            ],
+        },        
+        {
+            "name": "Dev",
             "request": "launch",
             "type": "dart",
             "program": "lib/main-dev.dart",
@@ -14,7 +26,7 @@
             ],
         },
         {
-            "name": "Flutter Pro",
+            "name": "Pro",
             "request": "launch",
             "type": "dart",
             "program": "lib/main-prod.dart",
diff --git a/lib/fcs/common/data/providers/auth_fb.dart b/lib/fcs/common/data/providers/auth_fb.dart
new file mode 100644
index 0000000..9a9e19b
--- /dev/null
+++ b/lib/fcs/common/data/providers/auth_fb.dart
@@ -0,0 +1,82 @@
+import 'dart:async';
+
+import 'package:fcs/fcs/common/domain/entities/auth.dart';
+import 'package:fcs/fcs/common/domain/entities/auth_status.dart';
+import 'package:firebase_auth/firebase_auth.dart';
+
+class AuthFb {
+  static final AuthFb instance = AuthFb._();
+  AuthFb._();
+
+  final FirebaseAuth _fb = FirebaseAuth.instance;
+  static String _verificationId;
+
+  Future<Auth> sendSmsCodeToPhoneNumber(String phoneNumber) {
+    Completer<Auth> completer = Completer();
+
+    final PhoneVerificationCompleted verificationCompleted =
+        (AuthCredential user) {
+      completer.complete(Auth(authStatus: AuthStatus.AUTH_VERIFIED));
+      print(
+          'Inside _sendCodeToPhoneNumber: signInWithPhoneNumber auto succeeded: $user');
+    };
+
+    final PhoneVerificationFailed verificationFailed =
+        (AuthException authException) async {
+      print(
+          'Phone number verification failed. Code: ${authException.code}. Message: ${authException.message}');
+      completer.complete(Auth(
+          authStatus: AuthStatus.ERROR,
+          authErrorCode: authException.code,
+          authErrorMsg: authException.message));
+      throw authException;
+    };
+
+    final PhoneCodeSent codeSent =
+        (String verificationId, [int forceResendingToken]) async {
+      _verificationId = verificationId;
+      print("code sent to " + phoneNumber);
+      completer.complete(Auth(authStatus: AuthStatus.SMS_SENT));
+    };
+
+    final PhoneCodeAutoRetrievalTimeout codeAutoRetrievalTimeout =
+        (String verificationId) {
+      _verificationId = verificationId;
+    };
+
+    _fb.verifyPhoneNumber(
+        phoneNumber: phoneNumber,
+        timeout: const Duration(minutes: 2),
+        verificationCompleted: verificationCompleted,
+        verificationFailed: verificationFailed,
+        codeSent: codeSent,
+        codeAutoRetrievalTimeout: codeAutoRetrievalTimeout);
+
+    return completer.future;
+  }
+
+  Future<Auth> signInWithPhoneNumber(String smsCode) async {
+    Auth auth = Auth();
+    try {
+      final AuthCredential credential = PhoneAuthProvider.getCredential(
+        verificationId: _verificationId,
+        smsCode: smsCode,
+      );
+
+      var firebaseUser = await _fb.signInWithCredential(credential);
+      final FirebaseUser currentUser = await _fb.currentUser();
+      assert(firebaseUser.user.uid == currentUser.uid);
+
+      auth.uid = firebaseUser.user.uid;
+      auth.authStatus = AuthStatus.AUTH_VERIFIED;
+    } on Exception catch (e) {
+      auth.authStatus = AuthStatus.ERROR;
+      auth.authErrorMsg = e.toString();
+    }
+    return Future.value(auth);
+  }
+
+  Future<void> logout() {
+    return _fb.signOut();
+  }
+}
diff --git a/lib/fcs/common/data/providers/user_fb_data_provider.dart b/lib/fcs/common/data/providers/user_fb_data_provider.dart
new file mode 100644
index 0000000..d5e836c
--- /dev/null
+++ b/lib/fcs/common/data/providers/user_fb_data_provider.dart
@@ -0,0 +1,7 @@
+import 'package:fcs/fcs/common/domain/entities/user.dart';
+
+class UserFBDataProvider {
+  Future<User> getUser(String id) {
+    return null;
+  }
+}
diff --git a/lib/fcs/common/data/providers/user_local_data_provider.dart b/lib/fcs/common/data/providers/user_local_data_provider.dart
new file mode 100644
index 0000000..cce7642
--- /dev/null
+++ b/lib/fcs/common/data/providers/user_local_data_provider.dart
@@ -0,0 +1,7 @@
+import 'package:fcs/fcs/common/domain/entities/user.dart';
+
+class UserLocalDataProvider {
+  Future<User> getUser(String id) {
+    return null;
+  }
+}
diff --git a/lib/fcs/common/domain/entities/auth.dart b/lib/fcs/common/domain/entities/auth.dart
new file mode 100644
index 0000000..5d173e3
--- /dev/null
+++ b/lib/fcs/common/domain/entities/auth.dart
@@ -0,0 +1,11 @@
+import 'auth_status.dart';
+
+class Auth {
+  AuthStatus authStatus;
+  String authErrorCode;
+  String authErrorMsg;
+
+  String uid;
+
+  Auth({this.authStatus, this.authErrorCode, this.authErrorMsg});
+}
diff --git a/lib/fcs/common/domain/entities/auth_status.dart b/lib/fcs/common/domain/entities/auth_status.dart
new file mode 100644
index 0000000..540df1e
--- /dev/null
+++ b/lib/fcs/common/domain/entities/auth_status.dart
@@ -0,0 +1 @@
+enum AuthStatus { SMS_SENT, AUTH_VERIFIED, ERROR }
diff --git a/lib/fcs/common/domain/entities/connectivity.dart b/lib/fcs/common/domain/entities/connectivity.dart
new file mode 100644
index 0000000..14674af
--- /dev/null
+++ b/lib/fcs/common/domain/entities/connectivity.dart
@@ -0,0 +1,5 @@
+class Connectivity {
+  get isConnected {
+    return true;
+  }
+}
diff --git a/lib/fcs/common/domain/entities/user.dart b/lib/fcs/common/domain/entities/user.dart
new file mode 100644
index 0000000..51248d6
--- /dev/null
+++ b/lib/fcs/common/domain/entities/user.dart
@@ -0,0 +1,285 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:firebase_auth/firebase_auth.dart';
+
+class User {
+  String id;
+  String name;
+  String phoneNumber;
+  String fcsID;
+  String shippingAddress;
+  String deliveryAddress;
+  String get phone => phoneNumber != null && phoneNumber.startsWith("959")
+      ? "0${phoneNumber.substring(2)}"
+      : phoneNumber;
+
+  List<String> claimPrivileges = [];
+
+  final String dateofBirth;
+  final String gender;
+  final String status;
+  final bool disable;
+  bool registeredBuyer;
+  List<String> privilegeIds;
+  String roleName;
+  String roleID;
+  bool agreeTerms;
+  String bizID;
+  String accountID;
+  String email;
+  bool isBlock;
+  int userLevel;
+  String userLevelID;
+
+  String frontUrl;
+  String backUrl;
+  String selfieUrl;
+
+  DateTime lastActiveTime;
+  String device;
+
+  String primaryDeviceID;
+  String primaryDeviceName;
+
+  String pin;
+
+  String get getname => this.name;
+  String get getphonenumber => this.phoneNumber;
+  String get getdateofBirth => this.dateofBirth;
+  bool get getdisable => this.disable;
+
+  Future<void> setFirebaseUser(FirebaseUser firebaseUser) async {
+    IdTokenResult idToken = await firebaseUser.getIdToken(refresh: true);
+    String privileges = idToken.claims["privileges"];
+    if (privileges == null || privileges == "") return;
+    this.claimPrivileges = privileges.split(":").toList();
+
+    this.accountID = idToken.claims["account_id"];
+    this.bizID = idToken.claims["biz_id"];
+  }
+
+  User(
+      {this.id,
+      this.name,
+      this.gender,
+      this.phoneNumber,
+      this.fcsID,
+      this.shippingAddress,
+      this.deliveryAddress,
+      this.dateofBirth,
+      this.roleName,
+      this.roleID,
+      this.privilegeIds,
+      this.email,
+      this.disable,
+      this.status,
+      this.frontUrl,
+      this.backUrl,
+      this.selfieUrl,
+      this.registeredBuyer,
+      this.agreeTerms,
+      this.lastActiveTime,
+      this.device,
+      this.primaryDeviceID,
+      this.primaryDeviceName,
+      this.isBlock,
+      this.userLevel,
+      this.userLevelID,
+      this.pin});
+
+  factory User.fromJson(Map<String, dynamic> json) {
+    return User(
+        id: json['id'],
+        name: json['user_name'],
+        phoneNumber: json['phone_number'],
+        dateofBirth: json['dob'],
+        gender: json['gender'],
+        frontUrl: json['front_url'],
+        backUrl: json['back_url'],
+        selfieUrl: json['selfie_url'],
+        status: json['status'],
+        agreeTerms: json['agree_terms'],
+        disable: json['disable'],
+        registeredBuyer: json['registered_buyer'],
+        privilegeIds: json['privileges'],
+        email: json['email'],
+        isBlock: json['black_list'],
+        userLevel: json['user_level'],
+        userLevelID: json['user_level_id'],
+        pin: json['pin']);
+  }
+
+  factory User.fromUserJson(Map<String, dynamic> json) {
+    DateTime parsedDate = DateTime.parse(json['last_active_time']);
+
+    return User(
+        id: json['id'],
+        name: json['user_name'],
+        phoneNumber: json['phone_number'],
+        dateofBirth: json['dob'],
+        roleName: json['role_name'],
+        roleID: json['role_id'],
+        disable: json['disable'],
+        gender: json['gender'],
+        status: json['status'],
+        lastActiveTime: parsedDate == null ? null : parsedDate,
+        device: json['last_active_device'],
+        email: json['email'],
+        primaryDeviceID: json['primary_device_id'],
+        primaryDeviceName: json['primary_device_name'],
+        userLevel: json['user_level'],
+        userLevelID: json['user_level_id'],
+        pin: json['pin']);
+  }
+
+  Map<String, dynamic> toJson() => {
+        'id': id,
+        'user_name': name,
+        'gender': gender,
+        'phone_number': phoneNumber,
+        'dob': dateofBirth,
+        'roleName': roleName,
+        'roleId': roleID,
+        'disable': disable,
+        'status': status,
+        'registered_buyer': registeredBuyer,
+        'agree_terms': agreeTerms,
+        'front_url': frontUrl,
+        'back_url': backUrl,
+        'selfie_url': selfieUrl,
+        'email': email,
+        'black_list': isBlock,
+        'user_level': userLevel,
+        'user_level_id': userLevelID,
+        'pin': pin,
+        'privileges': privilegeIds,
+      };
+
+  Map<String, dynamic> toMap() {
+    return {
+      'user_name': name,
+      'phone_number': phoneNumber,
+      'dob': dateofBirth,
+      'role_name': roleName,
+      'role_id': roleID,
+      'disable': disable,
+      'gender': gender,
+      'status': status,
+      'email': email,
+      'black_list': isBlock,
+      'user_level': userLevel,
+      'user_level_id': userLevelID,
+      'pin': pin
+    };
+  }
+
+  factory User.fromMap(Map<String, dynamic> map, String docID) {
+    var activeTime = (map['last_active_time'] as Timestamp);
+    return User(
+        id: docID,
+        name: map['user_name'],
+        phoneNumber: map['phone_number'],
+        privilegeIds:
+            map['privileges'] == null ? [] : map['privileges'].cast<String>(),
+        dateofBirth: map['dob'],
+        roleName: map['role_name'],
+        roleID: map['role_id'],
+        disable: map['disable'],
+        gender: map['gender'],
+        status: map['status'],
+        registeredBuyer: map['registered_buyer'],
+        agreeTerms: map['agree_terms'] == null ? false : map['agree_terms'],
+        lastActiveTime: activeTime == null ? null : activeTime.toDate(),
+        device: map['last_active_device'],
+        email: map['email'],
+        primaryDeviceID: map['primary_device_id'],
+        primaryDeviceName: map['primary_device_name'],
+        isBlock: map['black_list'],
+        userLevel: map['user_level'],
+        userLevelID: map['user_level_id'],
+        pin: map['pin']);
+  }
+
+  bool isBlockUser() {
+    return this.isBlock == true;
+  }
+
+  bool isPrimaryDevice() {
+    return this.primaryDeviceID != null && this.primaryDeviceID != '';
+  }
+
+  bool isRegisteredBuyer() {
+    return this.registeredBuyer != null && this.registeredBuyer;
+  }
+
+  bool isSysAdmin() {
+    return claimPrivileges != null
+        ? claimPrivileges.contains('sys_admin')
+        : false;
+  }
+
+  bool isSysSupport() {
+    return claimPrivileges != null
+        ? claimPrivileges.contains('sys_support')
+        : false;
+  }
+
+  bool isBizAdmin() {
+    return claimPrivileges != null ? claimPrivileges.contains('ba') : false;
+  }
+
+  bool isBuyer() {
+    return claimPrivileges == null || claimPrivileges.length == 0;
+  }
+
+  bool isEmail() {
+    return email != null;
+  }
+
+  bool hasAccount() {
+    return isOwner() ||
+        (claimPrivileges != null ? claimPrivileges.contains('a') : false);
+  }
+
+  bool hasDelivery() {
+    return isOwner() ||
+        (claimPrivileges != null ? claimPrivileges.contains('d') : false);
+  }
+
+  bool hasBuyer() {
+    return isOwner() ||
+        (claimPrivileges != null ? claimPrivileges.contains('b') : false);
+  }
+
+  bool isOwner() {
+    return claimPrivileges != null ? claimPrivileges.contains('o') : false;
+  }
+
+  bool isOwnerAndAbove() {
+    return isOwner() || isBizAdmin() || isSysAdmin();
+  }
+
+  bool hasAdmin() {
+    return isOwner() ||
+        (claimPrivileges != null ? claimPrivileges.contains('admin') : false);
+  }
+
+  bool hasDO() {
+    return isOwner() ||
+        (claimPrivileges != null ? claimPrivileges.contains('do') : false);
+  }
+
+  bool hasPO() {
+    return isOwner() ||
+        (claimPrivileges != null ? claimPrivileges.contains('po') : false);
+  }
+
+  bool hasInventory() {
+    return isOwner() ||
+        (claimPrivileges != null ? claimPrivileges.contains('inv') : false);
+  }
+
+  @override
+  String toString() {
+    return 'User{name: $name, phoneNumber: $phoneNumber,dateofBirth:$dateofBirth,disable:$disable,gender:$gender,roleName:$roleName,roleID:$roleID,privilegeIds:$privilegeIds,status:$status,frontUrl:$frontUrl,backUrl:$backUrl,selfieUrl:$selfieUrl}';
+  }
+}
diff --git a/lib/fcs/common/domain/exceiptions/server_exceptions.dart b/lib/fcs/common/domain/exceiptions/server_exceptions.dart
new file mode 100644
index 0000000..a76ba67
--- /dev/null
+++ b/lib/fcs/common/domain/exceiptions/server_exceptions.dart
@@ -0,0 +1,12 @@
+
+class ServerException  {
+  @override
+  List<Object> get props => null;
+
+  call() {
+    return null;
+  }
+
+  @override
+  bool get stringify => null;
+}
diff --git a/lib/pages/code_page.dart b/lib/fcs/common/pages/signin/code_page.dart
similarity index 97%
rename from lib/pages/code_page.dart
rename to lib/fcs/common/pages/signin/code_page.dart
index e167125..f9f3dd2 100644
--- a/lib/pages/code_page.dart
+++ b/lib/fcs/common/pages/signin/code_page.dart
@@ -8,10 +8,10 @@ import 'package:flutter/material.dart';
 import 'package:pin_input_text_field/pin_input_text_field.dart';
 import 'package:provider/provider.dart';
 
-import '../theme/theme.dart';
-import '../widget/local_text.dart';
-import '../widget/progress.dart';
-import 'user_edit.dart';
+import '../../../../theme/theme.dart';
+import '../../../../widget/local_text.dart';
+import '../../../../widget/progress.dart';
+import '../../../../pages/user_edit.dart';
 
 const resend_count_sec = 5;
 
diff --git a/lib/fcs/common/pages/signin/model/signin_model.dart b/lib/fcs/common/pages/signin/model/signin_model.dart
new file mode 100644
index 0000000..15d8308
--- /dev/null
+++ b/lib/fcs/common/pages/signin/model/signin_model.dart
@@ -0,0 +1,8 @@
+import 'package:fcs/fcs/common/data/providers/auth_fb.dart';
+import 'package:flutter/foundation.dart';
+
+class SigninModel extends ChangeNotifier {
+  setPhoneNumber(String phoneNumber) async {
+    await AuthFb.instance.sendSmsCodeToPhoneNumber(phoneNumber);
+  }
+}
diff --git a/lib/pages/signin_page.dart b/lib/fcs/common/pages/signin/signin_page.dart
similarity index 96%
rename from lib/pages/signin_page.dart
rename to lib/fcs/common/pages/signin/signin_page.dart
index 6b720b1..ce8f25e 100644
--- a/lib/pages/signin_page.dart
+++ b/lib/fcs/common/pages/signin/signin_page.dart
@@ -4,11 +4,11 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 
-import '../theme/theme.dart';
-import '../widget/local_text.dart';
-import '../widget/progress.dart';
+import '../../../../theme/theme.dart';
+import '../../../../widget/local_text.dart';
+import '../../../../widget/progress.dart';
 import 'code_page.dart';
-import 'util.dart';
+import '../../../../pages/util.dart';
 
 class SigninPage extends StatefulWidget {
   @override
diff --git a/lib/fcs/common/services/auth_imp.dart b/lib/fcs/common/services/auth_imp.dart
new file mode 100644
index 0000000..f510cd1
--- /dev/null
+++ b/lib/fcs/common/services/auth_imp.dart
@@ -0,0 +1,37 @@
+import 'package:fcs/fcs/common/data/providers/auth_fb.dart';
+import 'package:fcs/fcs/common/data/providers/user_fb_data_provider.dart';
+import 'package:fcs/fcs/common/data/providers/user_local_data_provider.dart';
+import 'package:fcs/fcs/common/domain/entities/auth.dart';
+import 'package:fcs/fcs/common/domain/entities/connectivity.dart';
+import 'package:flutter/material.dart';
+
+import 'auth_interface.dart';
+
+class AuthImp implements AuthInterface {
+  AuthImp({
+    @required this.authFb,
+    @required this.connectivity,
+    @required this.userFBDataProvider,
+    @required this.userLocalDataProvider,
+  });
+
+  final Connectivity connectivity;
+  final UserFBDataProvider userFBDataProvider;
+  final UserLocalDataProvider userLocalDataProvider;
+  final AuthFb authFb;
+
+  @override
+  Future<Auth> sendSmsCodeToPhoneNumber(String phoneNumber) {
+    return authFb.sendSmsCodeToPhoneNumber(phoneNumber);
+  }
+
+  @override
+  Future<Auth> signInWithSmsCode(String smsCode) {
+    return authFb.signInWithPhoneNumber(smsCode);
+  }
+
+  @override
+  Future<Auth> logout() {
+    return authFb.logout();
+  }
+}
diff --git a/lib/fcs/common/services/auth_interface.dart b/lib/fcs/common/services/auth_interface.dart
new file mode 100644
index 0000000..8034341
--- /dev/null
+++ b/lib/fcs/common/services/auth_interface.dart
@@ -0,0 +1,7 @@
+import 'package:fcs/fcs/common/domain/entities/auth.dart';
+
+abstract class AuthInterface {
+  Future<Auth> sendSmsCodeToPhoneNumber(String phoneNumber);
+  Future<Auth> signInWithSmsCode(String smsCode);
+  Future<Auth> logout();
+}
diff --git a/lib/fcs/common/services/user_imp.dart b/lib/fcs/common/services/user_imp.dart
new file mode 100644
index 0000000..c863333
--- /dev/null
+++ b/lib/fcs/common/services/user_imp.dart
@@ -0,0 +1,33 @@
+import 'package:fcs/fcs/common/domain/entities/connectivity.dart';
+import 'package:fcs/fcs/common/domain/entities/user.dart';
+import 'package:fcs/fcs/common/domain/exceiptions/server_exceptions.dart';
+import 'package:flutter/material.dart';
+
+import 'user_interface.dart';
+
+class UserImp implements UserInterface {
+  UserImp({
+    @required this.connectivity,
+  });
+
+  final Connectivity connectivity;
+
+  @override
+  Future<User> getUser(String id) async {
+    if (connectivity.isConnected) {
+      try {
+        final User user = User();
+        // await userFBDataProvider.getUser(id);
+        // cache product
+        // productLocalDataProvider.cacheProduct(product);
+        return user;
+      } catch (e) {
+        print(e);
+        return ServerException()();
+      }
+    } else {
+      return Future.value(User());
+      // return userLocalDataProvider.getUser(id);
+    }
+  }
+}
diff --git a/lib/fcs/common/services/user_interface.dart b/lib/fcs/common/services/user_interface.dart
new file mode 100644
index 0000000..31d48f4
--- /dev/null
+++ b/lib/fcs/common/services/user_interface.dart
@@ -0,0 +1,5 @@
+import 'package:fcs/fcs/common/domain/entities/user.dart';
+
+abstract class UserInterface {
+  Future<User> getUser(String id);
+}
diff --git a/lib/main-local.dart b/lib/main-local.dart
new file mode 100644
index 0000000..6d48ad8
--- /dev/null
+++ b/lib/main-local.dart
@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+import 'package:logging/logging.dart';
+import 'package:fcs/config.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'app.dart';
+
+void main() {
+  Config(
+      flavor: Flavor.DEV,
+      color: Colors.blue,
+      apiURL: "https://localhost:7777",
+      reportURL: "http://petrok-dev.mokkon.com:8080",
+      reportProjectID: "dev",
+      level: Level.ALL);
+  runApp(App());
+}
diff --git a/lib/pages/home_page.dart b/lib/pages/home_page.dart
index 4b02747..6a421d0 100644
--- a/lib/pages/home_page.dart
+++ b/lib/pages/home_page.dart
@@ -58,7 +58,7 @@ import 'my_registeration.dart';
 import 'pd/pd_list.dart';
 import 'products_list.dart';
 import 'profile_page.dart';
-import 'signin_page.dart';
+import '../fcs/common/pages/signin/signin_page.dart';
 import 'staff_list.dart';
 
 import 'fcs_profile_page.dart';
diff --git a/lib/pages/home_page_welcome.dart b/lib/pages/home_page_welcome.dart
index 6f37b24..74e232b 100644
--- a/lib/pages/home_page_welcome.dart
+++ b/lib/pages/home_page_welcome.dart
@@ -15,7 +15,7 @@ import 'package:provider/provider.dart';
 
 import '../theme/theme.dart';
 import 'profile_page.dart';
-import 'signin_page.dart';
+import '../fcs/common/pages/signin/signin_page.dart';
 import 'term.dart';
 
 final msgLog = Logger('backgroundMessageHandler');
diff --git a/pubspec.yaml b/pubspec.yaml
index 06777d8..44856c5 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: fcs
-description: A new Flutter project.
+description: FCS Logistics
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 
 version: 1.0.0+1