import 'dart:convert';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:solaragent/auth.dart';
import 'package:solaragent/models/feed.dart';
import 'package:solaragent/router.dart';
import 'package:url_launcher/url_launcher.dart';

class CommentEditorScreen extends StatefulWidget {
  final Feed parent;

  const CommentEditorScreen({super.key, required this.parent});

  @override
  State<CommentEditorScreen> createState() => _CommentEditorScreenState();
}

class _CommentEditorScreenState extends State<CommentEditorScreen> {
  final contentController = TextEditingController();

  bool isSubmitting = false;

  bool showRecommendationBanner = true;

  Future<void> postComment() async {
    if (!await authClient.isAuthorized()) return;

    var dataset = "${widget.parent.modelType}s";
    var alias = widget.parent.alias;

    var uri = Uri.parse(
      "https://co.solsynth.dev/api/p/$dataset/$alias/comments",
    );

    setState(() => isSubmitting = true);
    var res = await authClient.client!.post(
      uri,
      headers: <String, String>{
        'Content-Type': 'application/json',
      },
      body: jsonEncode(<String, dynamic>{
        'content': contentController.value.text,
      }),
    );
    if (res.statusCode != 200) {
      var message = utf8.decode(res.bodyBytes);
      ScaffoldMessenger.of(context).showSnackBar(
        SnackBar(content: Text("Something went wrong... $message")),
      );
    } else {
      if (router.canPop()) {
        router.pop();
      }
    }
    setState(() => isSubmitting = false);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text("Leave a comment"),
        actions: <Widget>[
          TextButton(
            onPressed: !isSubmitting ? postComment : null,
            child: const Text('POST'),
          ),
        ],
      ),
      body: Column(
        children: [
          // Loading indicator
          isSubmitting ? const LinearProgressIndicator() : Container(),
          // Userinfo
          FutureBuilder(
              future: authClient.getProfiles(),
              builder: (context, snapshot) {
                if (snapshot.hasData) {
                  var userinfo = snapshot.data;
                  return Container(
                    color: Colors.grey[50],
                    margin: const EdgeInsets.only(bottom: 12),
                    child: ListTile(
                      title: Text(userinfo["nick"]),
                      subtitle: const Text("You will post this post as"),
                      leading: CircleAvatar(
                        backgroundImage: NetworkImage(userinfo["picture"]),
                      ),
                    ),
                  );
                } else {
                  return Container();
                }
              }),
          // Editor
          Expanded(
            child: Container(
              padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
              child: TextField(
                maxLines: null,
                autofocus: true,
                autocorrect: true,
                keyboardType: TextInputType.multiline,
                controller: contentController,
                decoration: const InputDecoration.collapsed(
                    hintText: "What do you want to say?"),
              ),
            ),
          ),
          // Recommend website banner
          showRecommendationBanner
              ? FutureBuilder(
                  future: SharedPreferences.getInstance(),
                  builder: (context, snapshot) {
                    if (snapshot.hasData &&
                        snapshot.data?.getBool(
                                "editor.hide_website_recommendation") ==
                            null) {
                      snapshot.data
                          ?.remove("editor.hide_website_recommendation");
                      return MaterialBanner(
                        padding: const EdgeInsets.all(20),
                        content: const Text(
                          'SolarAgent still in early stage development. Some features isn\'t available. We recommend use our website, also optimized for moblie!',
                        ),
                        leading: const Icon(Icons.construction),
                        backgroundColor: const Color(0xFFE0E0E0),
                        actions: <Widget>[
                          TextButton(
                            child: const Text('OPEN'),
                            onPressed: () async {
                              await launchUrl(
                                  Uri.parse("https://co.solsynth.dev"));
                            },
                          ),
                          TextButton(
                            child: const Text('DISMISS'),
                            onPressed: () async {
                              await snapshot.data?.setBool(
                                "editor.hide_website_recommendation",
                                true,
                              );
                              setState(() {
                                showRecommendationBanner = false;
                              });
                            },
                          ),
                        ],
                      );
                    } else {
                      return Container();
                    }
                  })
              : Container(),
        ],
      ),
    );
  }

  @override
  void dispose() {
    contentController.dispose();
    super.dispose();
  }
}