Initial Flutter project added

lib/screens/dashboard_screen.dart

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+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import '../providers/auth_provider.dart';
+import 'welcome_screen.dart';
+
+class DashboardScreen extends StatelessWidget {
+  const DashboardScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final auth = Provider.of<AuthProvider>(context);
+    final name = auth.user?['customer_name'] ?? 'User';
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text("Dashboard"),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.logout),
+            onPressed: () async {
+              await auth.logout();
+              Navigator.of(context).pushAndRemoveUntil(MaterialPageRoute(builder: (_) => const WelcomeScreen()), (r) => false);
+            },
+          )
+        ],
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(18),
+        child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+          Text("Welcome, ${name}", style: const TextStyle(fontSize: 18, fontWeight: FontWeight.w600)),
+          const SizedBox(height: 12),
+          const Text("Your dashboard will appear here. Build shipment list, tracking, create shipment screens next."),
+        ]),
+      ),
+    );
+  }
+}

lib/screens/login_screen.dart

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+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import '../providers/auth_provider.dart';
+import '../widgets/rounded_input.dart';
+import '../widgets/primary_button.dart';
+import 'dashboard_screen.dart';
+
+class LoginScreen extends StatefulWidget {
+  const LoginScreen({super.key});
+  @override
+  State<LoginScreen> createState() => _LoginScreenState();
+}
+
+class _LoginScreenState extends State<LoginScreen> {
+  final cLoginId = TextEditingController();
+  final cPassword = TextEditingController();
+
+  @override
+  void dispose() {
+    cLoginId.dispose();
+    cPassword.dispose();
+    super.dispose();
+  }
+
+  Future<void> _login() async {
+    final auth = Provider.of<AuthProvider>(context, listen: false);
+
+    // Basic validation
+    final loginId = cLoginId.text.trim();
+    final password = cPassword.text.trim();
+    if (loginId.isEmpty || password.isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Please enter login id and password')));
+      return;
+    }
+
+    final res = await auth.login(loginId, password);
+
+    // Your controller returns { success: true/false, message, token, user }
+    if (res['success'] == true) {
+      // Navigate to dashboard
+      if (!mounted) return;
+      Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (_) => const DashboardScreen()));
+    } else {
+      final msg = res['message']?.toString() ?? 'Login failed';
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(msg)));
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final auth = Provider.of<AuthProvider>(context);
+    final width = MediaQuery.of(context).size.width;
+    return Scaffold(
+      appBar: AppBar(title: const Text('Login')),
+      body: Padding(
+        padding: EdgeInsets.symmetric(horizontal: width * 0.06, vertical: 20),
+        child: Column(
+          children: [
+            RoundedInput(controller: cLoginId, hint: 'Email / Mobile / Customer ID', keyboardType: TextInputType.text),
+            const SizedBox(height: 12),
+            RoundedInput(controller: cPassword, hint: 'Password', obscure: true),
+            const SizedBox(height: 18),
+            PrimaryButton(label: 'Login', onTap: _login, busy: auth.loading),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/screens/otp_screen.dart

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+import 'package:flutter/material.dart';
+import '../widgets/rounded_input.dart';
+import '../widgets/primary_button.dart';
+import '../services/request_service.dart';
+import 'waiting_screen.dart';
+
+class OtpScreen extends StatefulWidget {
+  final Map<String, dynamic> signupPayload;
+  const OtpScreen({super.key, required this.signupPayload});
+
+  @override
+  State<OtpScreen> createState() => _OtpScreenState();
+}
+
+class _OtpScreenState extends State<OtpScreen> {
+  final otpController = TextEditingController();
+  bool verifying = false;
+
+  static const String defaultOtp = '123456'; // default OTP as you said
+
+  void _verifyAndSubmit() async {
+    final entered = otpController.text.trim();
+    if (entered.length != 6) {
+      ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Enter 6 digit OTP')));
+      return;
+    }
+
+    if (entered != defaultOtp) {
+      ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Invalid OTP')));
+      return;
+    }
+
+    setState(() => verifying = true);
+
+    // send signup payload to backend
+    final res = await RequestService().sendSignup(widget.signupPayload);
+
+    setState(() => verifying = false);
+
+    if (res['status'] == true || res['status'] == 'success') {
+      // navigate to waiting screen
+      Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (_) => const WaitingScreen()));
+    } else {
+      final message = res['message']?.toString() ?? 'Failed';
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(message)));
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final pad = MediaQuery.of(context).size.width * 0.06;
+    return Scaffold(
+      appBar: AppBar(title: const Text("OTP Verification")),
+      body: Padding(
+        padding: EdgeInsets.symmetric(horizontal: pad, vertical: 20),
+        child: Column(children: [
+          const Text("Enter the 6-digit OTP sent to your mobile/email. (Default OTP: 123456)"),
+          const SizedBox(height: 20),
+          RoundedInput(controller: otpController, hint: "Enter OTP", keyboardType: TextInputType.number),
+          const SizedBox(height: 14),
+          PrimaryButton(label: "Verify & Submit", onTap: _verifyAndSubmit, busy: verifying),
+        ]),
+      ),
+    );
+  }
+}
+

lib/screens/signup_screen.dart

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+import 'package:flutter/material.dart';
+import '../widgets/rounded_input.dart';
+import '../widgets/primary_button.dart';
+import 'otp_screen.dart';
+
+class SignupScreen extends StatefulWidget {
+  const SignupScreen({super.key});
+  @override
+  State<SignupScreen> createState() => _SignupScreenState();
+}
+
+class _SignupScreenState extends State<SignupScreen> {
+  final cName = TextEditingController();
+  final cCompany = TextEditingController();
+  final cDesignation = TextEditingController();
+  final cEmail = TextEditingController();
+  final cMobile = TextEditingController();
+  final cAddress = TextEditingController();
+  final cPincode = TextEditingController();
+
+  bool sending = false;
+
+  void _sendOtp() async {
+    // We don't call backend for OTP here per your flow - OTP is default 123456.
+    // Validate minimal
+    if (cName.text.trim().isEmpty || cCompany.text.trim().isEmpty || cEmail.text.trim().isEmpty || cMobile.text.trim().isEmpty) {
+      ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Please fill the required fields')));
+      return;
+    }
+    setState(() => sending = true);
+    await Future.delayed(const Duration(milliseconds: 600)); // UI feel
+    setState(() => sending = false);
+    // Navigate to OTP screen with collected data
+    final data = {
+      'customer_name': cName.text.trim(),
+      'company_name': cCompany.text.trim(),
+      'designation': cDesignation.text.trim(),
+      'email': cEmail.text.trim(),
+      'mobile_no': cMobile.text.trim(),
+      'address': cAddress.text.trim(),
+      'pincode': cPincode.text.trim(),
+    };
+    Navigator.of(context).push(MaterialPageRoute(builder: (_) => OtpScreen(signupPayload: data)));
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final pad = MediaQuery.of(context).size.width * 0.06;
+    return Scaffold(
+      appBar: AppBar(title: const Text("Create Account")),
+      body: SafeArea(
+        child: Padding(
+          padding: EdgeInsets.symmetric(horizontal: pad),
+          child: SingleChildScrollView(
+            child: Column(children: [
+              const SizedBox(height: 16),
+              RoundedInput(controller: cName, hint: "Customer name"),
+              const SizedBox(height: 12),
+              RoundedInput(controller: cCompany, hint: "Company name"),
+              const SizedBox(height: 12),
+              RoundedInput(controller: cDesignation, hint: "Designation (optional)"),
+              const SizedBox(height: 12),
+              RoundedInput(controller: cEmail, hint: "Email", keyboardType: TextInputType.emailAddress),
+              const SizedBox(height: 12),
+              RoundedInput(controller: cMobile, hint: "Mobile", keyboardType: TextInputType.phone),
+              const SizedBox(height: 12),
+              RoundedInput(controller: cAddress, hint: "Address", maxLines: 3),
+              const SizedBox(height: 12),
+              RoundedInput(controller: cPincode, hint: "Pincode", keyboardType: TextInputType.number),
+              const SizedBox(height: 20),
+              PrimaryButton(label: "Send OTP", onTap: _sendOtp, busy: sending),
+              const SizedBox(height: 14),
+            ]),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/screens/splash_screen.dart

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+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import '../providers/auth_provider.dart';
+import 'dashboard_screen.dart';
+import 'welcome_screen.dart';
+
+class SplashScreen extends StatefulWidget {
+  const SplashScreen({super.key});
+  @override
+  State<SplashScreen> createState() => _SplashScreenState();
+}
+
+class _SplashScreenState extends State<SplashScreen> {
+  @override
+  void initState() {
+    super.initState();
+    _init();
+  }
+
+  void _init() async {
+    // small delay to show logo
+    await Future.delayed(const Duration(milliseconds: 900));
+    final auth = Provider.of<AuthProvider>(context, listen: false);
+    // ensure provider has loaded prefs
+    await Future.delayed(const Duration(milliseconds: 300));
+    if (auth.isLoggedIn) {
+      Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (_) => const DashboardScreen()));
+    } else {
+      Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (_) => const WelcomeScreen()));
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final size = MediaQuery.of(context).size;
+    return Scaffold(
+      body: Center(
+        child: Column(mainAxisSize: MainAxisSize.min, children: [
+          Container(
+            width: size.width * 0.34,
+            height: size.width * 0.34,
+            decoration: BoxDecoration(shape: BoxShape.circle, color: Theme.of(context).primaryColor.withOpacity(0.14)),
+            child: Center(child: Text("K", style: TextStyle(fontSize: 48, fontWeight: FontWeight.bold, color: Theme.of(context).primaryColor))),
+          ),
+          const SizedBox(height: 18),
+          const Text("Kent Logistics", style: TextStyle(fontSize: 20, fontWeight: FontWeight.w600)),
+        ]),
+      ),
+    );
+  }
+}

lib/screens/waiting_screen.dart

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+import 'package:flutter/material.dart';
+
+class WaitingScreen extends StatelessWidget {
+  const WaitingScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text("Request Submitted")),
+      body: Padding(
+        padding: const EdgeInsets.all(18.0),
+        child: Center(
+          child: Column(mainAxisSize: MainAxisSize.min, children: [
+            Icon(Icons.hourglass_top, size: 72, color: Theme.of(context).primaryColor),
+            const SizedBox(height: 16),
+            const Text(
+              "Signup request submitted successfully.",
+              style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600),
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 8),
+            const Text(
+              "Please wait up to 24 hours for admin approval. You will receive an email once approved.",
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 24),
+            ElevatedButton(
+              onPressed: () {
+                Navigator.of(context).popUntil((route) => route.isFirst);
+              },
+              child: const Padding(padding: EdgeInsets.symmetric(horizontal: 14, vertical: 12), child: Text("Back to Home")),
+              style: ElevatedButton.styleFrom(shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12))),
+            ),
+          ]),
+        ),
+      ),
+    );
+  }
+}

lib/screens/welcome_screen.dart

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+import 'package:flutter/material.dart';
+import 'signup_screen.dart';
+import 'login_screen.dart';
+
+class WelcomeScreen extends StatelessWidget {
+  const WelcomeScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final w = MediaQuery.of(context).size.width;
+    return Scaffold(
+      body: SafeArea(
+        child: Padding(
+          padding: EdgeInsets.symmetric(horizontal: w * 0.06),
+          child: Column(
+            children: [
+              const SizedBox(height: 28),
+              Align(alignment: Alignment.centerLeft, child: Text("Welcome", style: Theme.of(context).textTheme.headlineSmall)),
+              const SizedBox(height: 12),
+              const Text(
+                "Register to access Kent Logistics services. After signup admin will review and approve your request. Approval may take up to 24 hours.",
+                style: TextStyle(fontSize: 15),
+              ),
+              const Spacer(),
+              ElevatedButton(
+                onPressed: () => Navigator.of(context).push(MaterialPageRoute(builder: (_) => const SignupScreen())),
+                child: const SizedBox(width: double.infinity, child: Center(child: Padding(padding: EdgeInsets.all(14.0), child: Text("Create Account")))),
+                style: ElevatedButton.styleFrom(shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12))),
+              ),
+              const SizedBox(height: 12),
+              OutlinedButton(
+                onPressed: () => Navigator.of(context).push(MaterialPageRoute(builder: (_) => const LoginScreen())),
+                child: const SizedBox(width: double.infinity, child: Center(child: Padding(padding: EdgeInsets.all(14.0), child: Text("Login")))),
+                style: OutlinedButton.styleFrom(shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12))),
+              ),
+              const SizedBox(height: 24),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}