// Flutter imports:
import 'package:flutter/material.dart';
import 'package:invoiceninja_flutter/data/models/document_model.dart';
import 'package:invoiceninja_flutter/redux/document/document_actions.dart';
import 'package:invoiceninja_flutter/utils/widgets.dart';

// Package imports:
import 'package:redux/redux.dart';

// Project imports:
import 'package:invoiceninja_flutter/constants.dart';
import 'package:invoiceninja_flutter/data/models/client_model.dart';
import 'package:invoiceninja_flutter/data/models/company_model.dart';
import 'package:invoiceninja_flutter/data/models/entities.dart';
import 'package:invoiceninja_flutter/data/models/group_model.dart';
import 'package:invoiceninja_flutter/data/repositories/settings_repository.dart';
import 'package:invoiceninja_flutter/main_app.dart';
import 'package:invoiceninja_flutter/redux/app/app_actions.dart';
import 'package:invoiceninja_flutter/redux/app/app_state.dart';
import 'package:invoiceninja_flutter/redux/auth/auth_actions.dart';
import 'package:invoiceninja_flutter/redux/client/client_actions.dart';
import 'package:invoiceninja_flutter/redux/company/company_actions.dart';
import 'package:invoiceninja_flutter/redux/group/group_actions.dart';
import 'package:invoiceninja_flutter/redux/settings/settings_actions.dart';
import 'package:invoiceninja_flutter/redux/ui/ui_actions.dart';
import 'package:invoiceninja_flutter/ui/settings/settings_screen.dart';

List<Middleware<AppState>> createStoreSettingsMiddleware([
  SettingsRepository repository = const SettingsRepository(),
]) {
  final viewSettings = _viewSettings();
  final saveCompany = _saveCompany(repository);
  final saveEInvoiceCertificate = _saveEInvoiceCertificate(repository);
  final saveAuthUser = _saveAuthUser(repository);
  final connectOAuthUser = _connectOAuthUser(repository);
  final disconnectOAuthUser = _disconnectOAuthUser(repository);
  final disconnectOAuthMailer = _disconnectOAuthMailer(repository);
  final connectGmailUser = _connectGmailUser(repository);
  final saveSettings = _saveSettings(repository);
  final uploadLogo = _uploadLogo(repository);
  final saveDocument = _saveDocument(repository);
  final disableTwoFactor = _disableTwoFactor(repository);

  return [
    TypedMiddleware<AppState, ViewSettings>(viewSettings),
    TypedMiddleware<AppState, SaveCompanyRequest>(saveCompany),
    TypedMiddleware<AppState, SaveEInvoiceCertificateRequest>(
        saveEInvoiceCertificate),
    TypedMiddleware<AppState, SaveAuthUserRequest>(saveAuthUser),
    TypedMiddleware<AppState, ConnecOAuthUserRequest>(connectOAuthUser),
    TypedMiddleware<AppState, DisconnecOAuthUserRequest>(disconnectOAuthUser),
    TypedMiddleware<AppState, DisconnectOAuthMailerRequest>(
        disconnectOAuthMailer),
    TypedMiddleware<AppState, ConnecGmailUserRequest>(connectGmailUser),
    TypedMiddleware<AppState, DisableTwoFactorRequest>(disableTwoFactor),
    TypedMiddleware<AppState, SaveUserSettingsRequest>(saveSettings),
    TypedMiddleware<AppState, UploadLogoRequest>(uploadLogo),
    TypedMiddleware<AppState, SaveCompanyDocumentRequest>(saveDocument),
  ];
}

Middleware<AppState> _viewSettings() {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as ViewSettings;
    final uiState = store.state.uiState;

    checkForChanges(
        store: store,
        force: action.force,
        callback: () {
          String route = SettingsScreen.route;

          if (action.section != null) {
            route += '/${action.section}';
          } else if (uiState.mainRoute == kSettings) {
            route += '/$kSettingsCompanyDetails';
          } else {
            route += '/${uiState.settingsUIState.section}';
          }

          if (store.state.isStale) {
            store.dispatch(RefreshData());
          }

          store.dispatch(UpdateCurrentRoute(route));

          next(action);

          if (store.state.prefState.isMobile) {
            if (action.section == null) {
              navigatorKey.currentState!.pushNamedAndRemoveUntil(
                  SettingsScreen.route, (Route<dynamic> route) => false);
            } else {
              navigatorKey.currentState!.pushNamed(route);
            }
          }
        });
  };
}

Middleware<AppState> _saveCompany(SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as SaveCompanyRequest;

    settingsRepository
        .saveCompany(store.state.credentials, action.company!)
        .then((company) {
      store.dispatch(SaveCompanySuccess(company));
      action.completer!.complete();
      WidgetUtils.updateData();
    }).catchError((Object error) {
      print(error);
      store.dispatch(SaveCompanyFailure(error));
      action.completer!.completeError(error);
    });

    next(action);
  };
}

Middleware<AppState> _saveEInvoiceCertificate(
    SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as SaveEInvoiceCertificateRequest;

    settingsRepository
        .saveEInvoiceCertificate(
      store.state.credentials,
      action.company,
      action.eInvoiceCertificate,
    )
        .then((company) {
      store.dispatch(SaveEInvoiceCertificateSuccess(company));
      action.completer.complete();
    }).catchError((Object error) {
      print(error);
      store.dispatch(SaveEInvoiceCertificateFailure(error));
      action.completer.completeError(error);
    });

    next(action);
  };
}

Middleware<AppState> _saveAuthUser(SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as SaveAuthUserRequest;

    settingsRepository
        .saveAuthUser(store.state.credentials, action.user, action.password,
            action.idToken)
        .then((user) {
      store.dispatch(SaveAuthUserSuccess(user));
      if (action.completer != null) {
        action.completer!.complete();
      }
      WidgetUtils.updateData();
    }).catchError((Object error) {
      print(error);
      store.dispatch(SaveAuthUserFailure(error));
      if ('$error'.contains('412')) {
        store.dispatch(UserUnverifiedPassword());
      }
      if (action.completer != null) {
        action.completer!.completeError(error);
      }
    });

    next(action);
  };
}

Middleware<AppState> _connectOAuthUser(SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as ConnecOAuthUserRequest;

    settingsRepository
        .connectOAuthUser(
      store.state.credentials,
      action.provider,
      action.password,
      action.idToken,
      action.accessToken,
    )
        .then((user) {
      store.dispatch(ConnectOAuthUserSuccess(user));
      if (action.completer != null) {
        action.completer!.complete();
      }
    }).catchError((Object error) {
      print(error);
      store.dispatch(ConnecOAuthUserFailure(error));
      if ('$error'.contains('412')) {
        store.dispatch(UserUnverifiedPassword());
      }
      if (action.completer != null) {
        action.completer!.completeError(error);
      }
    });

    next(action);
  };
}

Middleware<AppState> _disconnectOAuthUser(
    SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as DisconnecOAuthUserRequest;

    settingsRepository
        .disconnectOAuthUser(
      store.state.credentials,
      action.user!,
      action.password,
      action.idToken,
    )
        .then((user) {
      store.dispatch(DisconnectOAuthUserSuccess(user));
      action.completer.complete();
    }).catchError((Object error) {
      print(error);
      store.dispatch(DisconnecOAuthUserFailure(error));
      if ('$error'.contains('412')) {
        store.dispatch(UserUnverifiedPassword());
      }
      action.completer.completeError(error);
    });

    next(action);
  };
}

Middleware<AppState> _disconnectOAuthMailer(
    SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as DisconnectOAuthMailerRequest;

    settingsRepository
        .disconnectOAuthMailer(
      store.state.credentials,
      action.password,
      action.idToken,
      action.user!.id,
    )
        .then((user) {
      store.dispatch(DisconnectOAuthMailerSuccess(user));
      action.completer.complete();
    }).catchError((Object error) {
      print(error);
      store.dispatch(DisconnectOAuthMailerFailure(error));
      if ('$error'.contains('412')) {
        store.dispatch(UserUnverifiedPassword());
      }
      action.completer.completeError(error);
    });

    next(action);
  };
}

Middleware<AppState> _connectGmailUser(SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as ConnecGmailUserRequest;

    settingsRepository
        .connectGmailUser(store.state.credentials, action.password,
            action.idToken, action.serverAuthCode)
        .then((user) {
      store.dispatch(ConnecGmailUserSuccess(user));
      if (action.completer != null) {
        action.completer!.complete();
      }
    }).catchError((Object error) {
      print(error);
      store.dispatch(ConnecGmailUserFailure(error));
      if ('$error'.contains('412')) {
        store.dispatch(UserUnverifiedPassword());
      }
      if (action.completer != null) {
        action.completer!.completeError(error);
      }
    });

    next(action);
  };
}

Middleware<AppState> _disableTwoFactor(SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as DisableTwoFactorRequest;

    settingsRepository
        .disableTwoFactor(
            store.state.credentials, action.password, action.idToken)
        .then((_) {
      store.dispatch(DisableTwoFactorSuccess());
      action.completer.complete();
    }).catchError((Object error) {
      print(error);
      store.dispatch(DisableTwoFactorFailure(error));
      if ('$error'.contains('412')) {
        store.dispatch(UserUnverifiedPassword());
      }
      action.completer.completeError(error);
    });

    next(action);
  };
}

Middleware<AppState> _saveSettings(SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as SaveUserSettingsRequest;

    settingsRepository
        .saveUserSettings(store.state.credentials, action.user)
        .then((userCompany) {
      store.dispatch(SaveUserSettingsSuccess(userCompany));
      action.completer.complete();
    }).catchError((Object error) {
      print(error);
      store.dispatch(SaveUserSettingsFailure(error));
      action.completer.completeError(error);
    });

    next(action);
  };
}

Middleware<AppState> _uploadLogo(SettingsRepository settingsRepository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as UploadLogoRequest;
    final state = store.state;
    final settingsState = state.uiState.settingsUIState;
    final entityId = action.type == EntityType.company
        ? state.company.id
        : action.type == EntityType.group
            ? settingsState.group.id
            : settingsState.client.id;
    settingsRepository
        .uploadLogo(store.state.credentials, entityId, action.multipartFile,
            action.type)
        .then((entity) {
      if (action.type == EntityType.client) {
        store.dispatch(SaveClientSuccess(entity as ClientEntity));
      } else if (action.type == EntityType.group) {
        store.dispatch(SaveGroupSuccess(entity as GroupEntity));
      } else {
        store.dispatch(SaveCompanySuccess(entity as CompanyEntity));
      }

      action.completer!.complete();
    }).catchError((Object error) {
      print(error);
      store.dispatch(UploadLogoFailure(error));
      action.completer!.completeError(error);
    });

    next(action);
  };
}

Middleware<AppState> _saveDocument(SettingsRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as SaveCompanyDocumentRequest?;
    final state = store.state;
    if (state.isEnterprisePlan) {
      repository
          .uploadDocument(
        store.state.credentials,
        state.company,
        action!.multipartFiles,
        action.isPrivate,
      )
          .then((company) {
        store.dispatch(SaveCompanySuccess(company));

        final documents = <DocumentEntity>[];
        company.documents.forEach((document) {
          documents.add(document.rebuild((b) => b
            ..parentId = company.id
            ..parentType = EntityType.company));
        });
        store.dispatch(LoadDocumentsSuccess(documents));
        action.completer.complete(documents);
      }).catchError((Object error) {
        print(error);
        store.dispatch(SaveCompanyDocumentFailure(error));
        action.completer.completeError(error);
      });
    } else {
      const error = 'Uploading documents requires an enterprise plan';
      store.dispatch(SaveCompanyDocumentFailure(error));
      action!.completer.completeError(error);
    }

    next(action);
  };
}