import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:libac_dart/packets/packets.dart';
import 'package:servermanager/packets/ClientPackets.dart';
import 'package:servermanager/pages/Constants.dart';
import 'package:servermanager/pages/dialogbox.dart';
import 'package:servermanager/structs/SessionData.dart';
import 'package:servermanager/structs/settings.dart';

class SnapshotsPage extends StatefulWidget {
  SnapshotsPage({super.key});

  @override
  State<StatefulWidget> createState() {
    return SnapshotsState();
  }
}

class SnapshotsState extends State<SnapshotsPage> {
  SnapshotsState();
  Settings settings = Settings();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Server Snapshots Manager"),
        backgroundColor: Constants.TITLEBAR_COLOR,
      ),
      body: Padding(
        padding: EdgeInsets.all(8),
        child: SingleChildScrollView(
          child: Column(
            children: [
              ListTile(
                title: Text("Server DB File"),
                subtitle: Text(settings.gameServerDBFile),
              ),
              ListTile(
                title: Text("Create Backup"),
                subtitle: Text(
                    "This action will prompt for a filename, then contact the server, which will then take a immediate snapshot of the world under that name."),
                leading: Icon(Icons.backup),
                onTap: () {
                  String finalValue = "";
                  InputBox ib =
                      InputBox("", promptText: "Backup Name?", changed: (V) {
                    setState(() {
                      finalValue = V;
                    });
                  }, onSubmit: () {
                    // Send the filename to the server and request backup creation
                    C2SRequestCreateBackup rcb = C2SRequestCreateBackup();
                    rcb.fileName = finalValue;

                    settings.client!.send(rcb, true);
                  }, onCancel: () {}, isDefault: true);

                  showCupertinoDialog(
                      context: context,
                      builder: (ctx) {
                        return ib;
                      });
                },
              ),
              ListTile(
                title: Text("Restore"),
                subtitle: Text("Restore a backup file to active status"),
                leading: Icon(Icons.restore),
                onTap: () async {
                  // Request the snapshot list, then present the restore list to the end user
                  C2SRequestSnapshotList rsl = C2SRequestSnapshotList();
                  S2CResponse reply = await settings.client!.send(rsl, true);
                  S2CSnapshotList snaps = S2CSnapshotList();
                  snaps.decodeTag(reply.contents);
                  await snaps.handleClientPacket();

                  if (SessionData.IE_SNAPSHOTS.isNotEmpty) {
                    // Show the list!
                    await Navigator.pushNamed(
                        context, "/server/snapshots/restore");

                    SessionData.IE_SNAPSHOTS.clear();
                  }
                },
              )
            ],
          ),
        ),
      ),
    );
  }
}

class SnapshotListPage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return SnapshotListState();
  }
}

class SnapshotListState extends State<SnapshotListPage> {
  Settings settings = Settings();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(
            "Snapshot Manager - Restore - ${SessionData.IE_SNAPSHOTS.length} backups"),
        backgroundColor: Constants.TITLEBAR_COLOR,
      ),
      body: Padding(
        padding: EdgeInsets.all(8),
        child: ListView.builder(
          itemBuilder: (ctx, index) {
            String filename = SessionData.IE_SNAPSHOTS[index];

            return ListTile(
              title: Text(filename),
              subtitle: Text(
                  "No information is known about this snapshot at this time"),
              trailing: Row(
                mainAxisSize: MainAxisSize.min,
                children: [
                  IconButton(
                    onPressed: () async {
                      // Send restore packet
                      var result = await showCupertinoDialog(
                          context: context,
                          builder: (builder) {
                            return CupertinoAlertDialog(
                              title: Text("DANGER"),
                              content: Text(
                                  "This action cannot be reversed, are you sure you want to restore $filename?"),
                              actions: [
                                ElevatedButton(
                                    onPressed: () {
                                      Navigator.pop(context, true);
                                    },
                                    child: Text("YES")),
                                ElevatedButton(
                                    onPressed: () {
                                      Navigator.pop(context);
                                    },
                                    child: Text("ABORT"))
                              ],
                            );
                          });

                      if (result == null) return;
                      C2SRequestWorldRestore rwr = C2SRequestWorldRestore();
                      rwr.snapshot = filename;

                      settings.client!.send(rwr, true);

                      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
                          content: Text(
                              "Restore has been requested, follow Discord for further updates")));
                    },
                    icon: Icon(Icons.restore),
                  ),
                  IconButton(
                    onPressed: () async {
                      // Send deletion packet
                      var result = await showCupertinoDialog(
                          context: context,
                          builder: (builder) {
                            return AlertDialog(
                              icon: Icon(Icons.delete_forever),
                              title: Text("DANGER"),
                              content: Text(
                                  "This action is not reversible. Are you sure?"),
                              actions: [
                                ElevatedButton(
                                    onPressed: () {
                                      Navigator.pop(context, true);
                                    },
                                    child: Text("Yes")),
                                ElevatedButton(
                                    onPressed: () {
                                      Navigator.pop(context, null);
                                    },
                                    child: Text("ABORT"))
                              ],
                            );
                          });

                      if (result == null) return;

                      C2SRequestSnapshotDeletion rsd =
                          C2SRequestSnapshotDeletion();
                      rsd.snapshotName = filename;
                      settings.client!.send(rsd, true);
                    },
                    icon: Icon(Icons.delete),
                  ),
                ],
              ),
              onTap: () {
                // Handle tap on the list tile if needed
              },
            );
          },
          itemCount: SessionData.IE_SNAPSHOTS.length,
        ),
      ),
    );
  }
}