import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:ocarina/api/login_manager.dart';
import 'package:ocarina/api/subsonic/subsonic.dart';
import 'package:ocarina/views/home_view.dart';
import 'package:responsive_sizer/responsive_sizer.dart';

class LoginView extends StatefulWidget {
  const LoginView({super.key});

  @override
  State<LoginView> createState() => _LoginViewState();
}

class _LoginViewState extends State<LoginView> {
  final _userController = TextEditingController();
  final _passController = TextEditingController();
  final _urlController = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: SizedBox(
          width: 95.w,
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Text(
                "Ocarina",
                style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
              ),
              const SizedBox(
                height: 10,
              ),
              TextField(
                controller: _userController,
                decoration: const InputDecoration(hintText: "Username"),
              ),
              const SizedBox(
                height: 5,
              ),
              TextField(
                controller: _passController,
                obscureText: true,
                decoration: const InputDecoration(hintText: "Password"),
              ),
              const SizedBox(
                height: 5,
              ),
              TextField(
                controller: _urlController,
                decoration: const InputDecoration(hintText: "Subsonic URL"),
                inputFormatters: [
                  FilteringTextInputFormatter.allow(
                    RegExp(r"[a-z:\/\.0-9\_]+", multiLine: true),
                  ),
                ],
              ),
              const SizedBox(
                height: 5,
              ),
              TextButton(
                onPressed: () async {
                  if (_urlController.text.isEmpty ||
                      _passController.text.isEmpty ||
                      _userController.text.isEmpty) return;
                  final baseUrl = _urlController.text; // TODO: more formatting

                  if (baseUrl.endsWith("/")) {
                    baseUrl.substring(0, baseUrl.length - 1);
                  }

                  SubsonicApiService()
                    ..baseUrl = baseUrl
                    ..user = _userController.text
                    ..password = _passController.text;
                  final r = await SubsonicApiService().verifyCredentials();
                  if (!r) return;

                  await LoginManager.saveDetails(
                    _userController.text,
                    _passController.text,
                    baseUrl,
                  );

                  if (!context.mounted) return;
                  await Navigator.pushReplacement(
                    context,
                    MaterialPageRoute<void>(
                      builder: (c) => const HomeView(),
                    ),
                  );
                },
                child: const Text("Log in"),
              ),
            ],
          ),
        ),
      ),
    );
  }
}