import 'package:colorful_print/colorful_print.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:rluv/global/utils.dart';
import 'package:rluv/models/shared_note.dart';

import '../../../global/api.dart';
import '../../../global/store.dart';
import '../../../global/styles.dart';
import '../../../global/widgets/ui_button.dart';

class SharedNotesScreen extends ConsumerStatefulWidget {
  const SharedNotesScreen({super.key, required this.initialData});

  final Map<String, dynamic> initialData;
  @override
  ConsumerState<SharedNotesScreen> createState() => _SharedNotesScreenState();
}

class _SharedNotesScreenState extends ConsumerState<SharedNotesScreen> {
  @override
  Widget build(BuildContext context) {
    final screen = MediaQuery.of(context).size;
    final sharedNotes = ref.watch(sharedNotesProvider);
    return Column(
      children: [
        const Padding(
          padding: EdgeInsets.all(18.0),
          child: Text(
            'Notes:',
            style: TextStyle(fontSize: 20),
            textAlign: TextAlign.center,
          ),
        ),
        if (sharedNotes.isEmpty) ...[
          const Text('Add notes to get started:'),
        ],
        if (sharedNotes.isNotEmpty)
          SizedBox(
            height: screen.height * 0.65,
            child: GridView.builder(
              itemCount: sharedNotes.length,
              gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
                crossAxisCount: 2,
              ),
              itemBuilder: (BuildContext context, int index) {
                final note = sharedNotes[index];
                final colorBrightness = note.color == null ? Brightness.light : getBrightness(note.color!);
                final textStyle = TextStyle(
                  fontSize: 16.0,
                  color: colorBrightness == Brightness.light ? Colors.black54 : Colors.white70,
                );
                return Padding(
                  padding: const EdgeInsets.all(8.0),
                  child: InkWell(
                    child: Card(
                      color: note.color ?? Styles.washedStone,
                      child: SizedBox(
                        width: screen.width * 0.4,
                        child: Padding(
                          padding: const EdgeInsets.all(8.0),
                          child: Column(
                            children: [
                              FittedBox(child: Text(note.title, style: const TextStyle(fontSize: 20))),
                              Flexible(
                                child: Text(
                                  note.content.length > 80 ? "${note.content.substring(0, 75)}..." : note.content,
                                  style: textStyle,
                                ),
                              ),
                            ],
                          ),
                        ),
                      ),
                    ),
                    onTap: () {
                      showModalBottomSheet(
                          isScrollControlled: true,
                          shape: RoundedRectangleBorder(
                            borderRadius: BorderRadius.circular(20.0),
                          ),
                          backgroundColor: Colors.transparent,
                          context: context,
                          builder: (BuildContext context) {
                            return Padding(
                              padding: EdgeInsets.only(bottom: MediaQuery.of(context).viewInsets.bottom),
                              child: NoteBottomSheet(
                                index: index,
                              ),
                            );
                          });
                    },
                  ),
                );
              },
            ),
          ),
        Padding(
          padding: const EdgeInsets.symmetric(vertical: 18.0, horizontal: 12.0),
          child: UiButton(
              text: 'Add Note',
              onPressed: () {
                showModalBottomSheet(
                    isScrollControlled: true,
                    shape: RoundedRectangleBorder(
                      borderRadius: BorderRadius.circular(20.0),
                    ),
                    backgroundColor: Colors.transparent,
                    context: context,
                    builder: (BuildContext context) {
                      return Padding(
                        padding: EdgeInsets.only(bottom: MediaQuery.of(context).viewInsets.bottom),
                        child: const NoteBottomSheet(
                          index: null,
                        ),
                      );
                    });
              }),
        ),
      ],
    );
  }
}

class NoteBottomSheet extends ConsumerStatefulWidget {
  const NoteBottomSheet({super.key, required this.index});

  final int? index;

  @override
  ConsumerState<NoteBottomSheet> createState() => _NoteBottomSheetState();
}

class _NoteBottomSheetState extends ConsumerState<NoteBottomSheet> {
  late final SharedNote? oldNote;
  late SharedNote newNote;

  final titleFocusNode = FocusNode();
  final contentFocusNode = FocusNode();
  late final TextEditingController titleController;
  late final TextEditingController contentController;

  @override
  void initState() {
    super.initState();
    if (widget.index == null) {
      oldNote = null;
      final family = ref.read(familyProvider);
      final user = ref.read(userProvider);
      newNote = SharedNote(
        familyId: family!.id,
        createdByUserId: user!.id!,
        title: 'Title',
        content: '',
        tagIds: [],
        color: Styles.washedStone,
        isMarkdown: false,
      );
    } else {
      oldNote = ref.read(sharedNotesProvider).elementAt(widget.index!);
      newNote = SharedNote.copy(oldNote!);
    }
    titleController = TextEditingController(text: newNote.title);
    contentController = TextEditingController(text: newNote.content);
    WidgetsBinding.instance.addPostFrameCallback(
      (timeStamp) => titleFocusNode.requestFocus(),
    );
  }

  @override
  Widget build(BuildContext context) {
    final screen = MediaQuery.of(context).size;
    return Container(
      width: screen.width,
      decoration: BoxDecoration(
          color: newNote.color ?? Styles.washedStone,
          borderRadius: const BorderRadius.only(topLeft: Radius.circular(20.0), topRight: Radius.circular(20.0)),
          boxShadow: const [
            BoxShadow(color: Colors.black26, spreadRadius: 5.0, blurRadius: 2.0, offset: Offset(0, -2))
          ]),
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: [
            TextField(
              style: const TextStyle(fontSize: 18.0),
              maxLines: 1,
              focusNode: titleFocusNode,
              textAlign: TextAlign.left,
              controller: titleController,
              // decoration: Styles.inputLavenderBubble(),
            ),
            TextField(
              style: const TextStyle(fontSize: 18.0),
              maxLines: 6,
              focusNode: contentFocusNode,
              textAlign: TextAlign.left,
              controller: contentController,
              // decoration: Styles.inputLavenderBubble(),
            ),
            Padding(
              padding: const EdgeInsets.symmetric(vertical: 28.0, horizontal: 36.0),
              child: UiButton(
                onPressed: !noteChanged(oldNote, newNote)
                    ? null
                    : () async {
                        newNote.content = contentController.text;
                        newNote.title = titleController.text;
                        try {
                          Response? res;
                          if (widget.index == null) {
                            res = await ref.read(apiProvider).post('shared_note', data: newNote.toJson());
                          } else {
                            res = await ref.read(apiProvider).put('shared_note', data: newNote.toJson());
                          }
                          if (res.data != null && res.data['success']) {
                            if (widget.index == null) {
                              ref.read(dashboardProvider.notifier).add({'shared_notes': res.data});
                            } else {
                              ref.read(dashboardProvider.notifier).update({'shared_notes': res.data});
                            }
                            showSnack(ref: ref, text: 'Added note', type: SnackType.success);
                          } else {
                            showSnack(
                                ref: ref,
                                text: res.data['message'] ?? 'Unexpected error occurred',
                                type: SnackType.error);
                          }
                        } catch (err) {
                          showSnack(ref: ref, text: 'Unexpected error occurred', type: SnackType.error);
                          printColor(err, textColor: TextColor.red);
                        }
                        // ignore: use_build_context_synchronously
                        Navigator.pop(context);
                      },
                text: 'Save',
              ),
            ),
          ],
        ),
      ),
    );
  }

  bool noteChanged(SharedNote? n, SharedNote m) {
    if (n == null) return true;
    if (n.content != m.content) return true;
    if (n.title != m.content) return true;
    if (n.tagIds != m.tagIds) return true;
    if (n.color != m.color) return true;
    return false;
  }
}