import 'dart:async';

import 'package:core/core.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:jmap_dart_client/jmap/core/sort/comparator.dart';
import 'package:jmap_dart_client/jmap/core/unsigned_int.dart';
import 'package:jmap_dart_client/jmap/mail/email/email_comparator.dart';
import 'package:jmap_dart_client/jmap/mail/email/email_comparator_property.dart';
import 'package:model/model.dart';
import 'package:tmail_ui_user/features/base/base_controller.dart';
import 'package:tmail_ui_user/features/mailbox_dashboard/domain/state/quick_search_email_state.dart';
import 'package:tmail_ui_user/features/mailbox_dashboard/domain/usecases/quick_search_email_interactor.dart';
import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart';
import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/model/search/email_receive_time_type.dart';
import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/model/search/quick_search_filter.dart';
import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/model/search/search_email_filter.dart';
import 'package:tmail_ui_user/features/thread/domain/constants/thread_constants.dart';
import 'package:tmail_ui_user/features/thread/domain/model/search_query.dart';
import 'package:tmail_ui_user/features/thread/presentation/model/search_state.dart';
import 'package:tmail_ui_user/features/thread/presentation/model/search_status.dart';

class SearchController extends BaseController {
  final QuickSearchEmailInteractor _quickSearchEmailInteractor;

  final _mailboxDashBoardController = Get.find<MailboxDashBoardController>();

  final searchInputController = TextEditingController();
  final searchEmailFilter = SearchEmailFilter().obs;
  final searchState = SearchState.initial().obs;
  final isAdvancedSearchViewOpen = false.obs;
  final dateFilterSelectedFormAdvancedSearch = EmailReceiveTimeType.allTime.obs;
  final mailboxFilterSelectedFormAdvancedSearch = Rxn<PresentationMailbox>();
  final hasAttachment = false.obs;

  get _accountId => _mailboxDashBoardController.accountId;

  get _userProfile => _mailboxDashBoardController.userProfile;

  FocusNode searchFocus = FocusNode();

  SearchEmailFilter get searchEmailFilterValue => searchEmailFilter.value;

  SearchController(
    this._quickSearchEmailInteractor,
  );

  selectOpenAdvanceSearch() {
    isAdvancedSearchViewOpen.toggle();
  }

  cleanSearchFilter() {
    searchEmailFilter.value = SearchEmailFilter();
  }

  void selectQuickSearchFilter({
    required QuickSearchFilter quickSearchFilter,
    bool fromSuggestionBox = false,
  }) {
    final isSelected = checkQuickSearchFilterSelected(
      quickSearchFilter,
      fromSuggestionBox,
    );

    switch (quickSearchFilter) {
      case QuickSearchFilter.hasAttachment:
        updateFilterEmail(hasAttachment: !isSelected);
        return;
      case QuickSearchFilter.last7Days:
        final EmailReceiveTimeType? emailReceiveTimeType = isSelected
            ? EmailReceiveTimeType.allTime
            : EmailReceiveTimeType.last7Days;
        updateFilterEmail(emailReceiveTimeType: emailReceiveTimeType);
        return;
      case QuickSearchFilter.fromMe:
        isSelected
            ? searchEmailFilter.value.from.remove(_userProfile.email)
            : searchEmailFilter.value.from.add(_userProfile.email);
        updateFilterEmail(from: searchEmailFilter.value.from);
        return;
    }
  }

  Future<List<PresentationEmail>> quickSearchEmails() async {
    return await _quickSearchEmailInteractor
        .execute(_accountId,
            limit: UnsignedInt(5),
            sort: <Comparator>{}..add(
                EmailComparator(EmailComparatorProperty.receivedAt)
                  ..setIsAscending(false)),
            filter: searchEmailFilter.value.mappingToEmailFilterCondition(),
            properties: ThreadConstants.propertiesQuickSearch)
        .then((result) => result.fold(
            (failure) => <PresentationEmail>[],
            (success) => success is QuickSearchEmailSuccess
                ? success.emailList
                : <PresentationEmail>[]));
  }

  void updateFilterEmail({
    Set<String>? from,
    Set<String>? to,
    SearchQuery? text,
    String? subject,
    Wrapped<String?>? hasKeyword,
    Wrapped<String?>? notKeyword,
    PresentationMailbox? mailbox,
    EmailReceiveTimeType? emailReceiveTimeType,
    bool? hasAttachment,
  }) {
    searchEmailFilter.value = searchEmailFilter.value.copyWith(
      from: from,
      to: to,
      text: text,
      subject: subject,
      hasKeyword: hasKeyword,
      notKeyword: notKeyword,
      mailbox: mailbox,
      emailReceiveTimeType: emailReceiveTimeType,
      hasAttachment: hasAttachment,
    );
  }

  void registerSearchFocusListener() {
    searchFocus.addListener(() {
      final hasFocus = searchFocus.hasFocus;
      final query = searchEmailFilter.value.text?.value;
      log('MailboxDashBoardController::_registerSearchFocusListener(): hasFocus: $hasFocus | query: $query');
      if (!hasFocus && (query == null || query.isEmpty)) {
        updateFilterEmail(text: SearchQuery.initial());
        searchInputController.clear();
        cleanSearchFilter();
        searchFocus.unfocus();
      }
    });
  }

  bool isSearchActive() =>
      searchState.value.searchStatus == SearchStatus.ACTIVE;

  void enableSearch() {
    searchState.value = searchState.value.enableSearchState();
  }

  void disableSearch() {
    searchState.value = searchState.value.disableSearchState();
    updateFilterEmail(text: SearchQuery.initial());
    searchInputController.clear();
    cleanSearchFilter();
    searchFocus.unfocus();
  }

  void clearTextSearch() {
    updateFilterEmail(text: SearchQuery.initial());
    searchInputController.clear();
    searchFocus.requestFocus();
  }

  void onChangeTextSearch(String value) {
    updateFilterEmail(text: SearchQuery(value));
  }

  void updateTextSearch(String value) {
    searchInputController.text = value;
  }

  bool checkQuickSearchFilterSelected(
      QuickSearchFilter quickSearchFilter, bool fromSuggestBox) {
    switch (quickSearchFilter) {
      case QuickSearchFilter.hasAttachment:
        return searchEmailFilter.value.hasAttachment == true;
      case QuickSearchFilter.last7Days:
        if (fromSuggestBox) {
          return true;
        }
        return searchEmailFilter.value.emailReceiveTimeType == EmailReceiveTimeType.last7Days;
      case QuickSearchFilter.fromMe:
        return searchEmailFilter.value.from.contains(_userProfile.email) && searchEmailFilter.value.from.length == 1;
    }
  }

  @override
  void onDone() {}

  @override
  void onError(error) {}

  @override
  void onClose() {
    searchInputController.dispose();
    searchFocus.dispose();
    super.onClose();
  }
}