Insparkspokalen-ui/lib/info/adminInformationPage.dart

import 'package:flutter/material.dart';
import 'package:insparkspokalen_ui/models/informationModel.dart';
import 'package:insparkspokalen_ui/services/backend/informationService.dart';

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

  @override
  State<AdminInformationPage> createState() => _AdminInformationPageState();
}

class _AdminInformationPageState extends State<AdminInformationPage> {
  List<InformationModel> informationList = [];

  @override
  void initState() {
    super.initState();
    _loadInformation();
  }

  Future<void> _loadInformation() async {
    try {
      final info = await InformationService().fetchInformation();
      info.sort((a, b) => a.createdAt.compareTo(b.createdAt));
      setState(() {
        informationList = info;
      });
    } catch (e) {
      print("Fel vid inläsning av information: $e");
    }
  }

  void _deleteInformation(InformationModel info) async {
    try {
      await InformationService().deleteInformation(info);
      setState(() => informationList.remove(info));
    } catch (e) {
      ScaffoldMessenger.of(context).showSnackBar(
        const SnackBar(content: Text("Kunde inte ta bort information")),
      );
    }
  }

  void _showAddDialog() {
    final titleController = TextEditingController();
    final contentController = TextEditingController();

    showDialog(
      context: context,
      builder:
          (context) => AlertDialog(
            backgroundColor: Colors.white,
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(12),
            ),

            title: const Text(
              "Lägg till information",
              style: TextStyle(color: Colors.black),
            ),
            content: Column(
              mainAxisSize: MainAxisSize.min,
              children: [
                TextField(
                  controller: titleController,
                  decoration: const InputDecoration(
                    labelText: "Titel",
                    labelStyle: TextStyle(color: Colors.black),
                  ),
                  style: const TextStyle(color: Colors.black),
                ),
                TextField(
                  controller: contentController,
                  decoration: const InputDecoration(
                    labelText: "Innehåll",
                    labelStyle: TextStyle(color: Colors.black),
                  ),
                  style: const TextStyle(color: Colors.black),
                ),
              ],
            ),
            actions: [
              TextButton(
                onPressed: () => Navigator.of(context).pop(),
                child: const Text(
                  "Avbryt",
                  style: TextStyle(color: Colors.black),
                ),
              ),
              ElevatedButton(
                onPressed: () async {
                  final newInfo = InformationModel(
                    title: titleController.text.trim(),
                    content: contentController.text.trim(),
                    author: 'Admin',
                    createdAt: DateTime.now(),
                  );
                  try {
                    await InformationService().createInformation(newInfo);
                    Navigator.of(context).pop();
                    _loadInformation();
                  } catch (e) {
                    ScaffoldMessenger.of(context).showSnackBar(
                      const SnackBar(
                        content: Text("Kunde inte skapa information"),
                      ),
                    );
                  }
                },
                style: ElevatedButton.styleFrom(
                  backgroundColor: Colors.yellow,
                  foregroundColor: Colors.black,
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(8),
                  ),
                ),
                child: const Text("Lägg till"),
              ),
            ],
          ),
    );
  }

  void _confirmDelete(BuildContext context, InformationModel info) {
    showDialog(
      context: context,
      builder:
          (context) => AlertDialog(
            title: const Text("Ta bort inlägg"),
            content: const Text(
              "Är du säker på att du vill ta bort detta inlägg?",
            ),
            actions: [
              TextButton(
                onPressed: () => Navigator.of(context).pop(),
                child: const Text("Avbryt"),
              ),
              TextButton(
                onPressed: () {
                  Navigator.of(context).pop();
                  _deleteInformation(info);
                },
                child: const Text(
                  "Ta bort",
                  style: TextStyle(color: Colors.red),
                ),
              ),
            ],
          ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFF2E2E2E),
      appBar: AppBar(
        title: const Text("Information"),
        backgroundColor: const Color(0xFF2E2E2E),
        foregroundColor: Color(0xFFDAA520),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _showAddDialog,
        backgroundColor: Colors.white,
        foregroundColor: Colors.black,
        child: const Icon(Icons.add),
      ),
      body:
          informationList.isEmpty
              ? const Center(
                child: CircularProgressIndicator(color: Color(0xFFDAA520)),
              )
              : ListView.builder(
                itemCount: informationList.length,
                itemBuilder: (context, index) {
                  final info = informationList[index];
                  return Card(
                    color: Colors.white,
                    margin: const EdgeInsets.symmetric(
                      horizontal: 16,
                      vertical: 8,
                    ),
                    child: ListTile(
                      title: Text(
                        info.title,
                        style: const TextStyle(
                          fontWeight: FontWeight.normal,
                          fontSize: 18,
                        ),
                      ),
                      subtitle: Text(info.content),
                      trailing: IconButton(
                        icon: const Icon(Icons.delete, color: Colors.red),
                        onPressed: () => _confirmDelete(context, info),
                      ),
                    ),
                  );
                },
              ),
    );
  }
}