import 'package:flutter/material.dart';
import 'package:invoiceninja_flutter/data/models/models.dart';
import 'package:invoiceninja_flutter/redux/app/app_middleware.dart';
import 'package:invoiceninja_flutter/redux/dashboard/dashboard_actions.dart';
import 'package:invoiceninja_flutter/redux/project/project_actions.dart';
import 'package:invoiceninja_flutter/redux/quote/quote_actions.dart';
import 'package:invoiceninja_flutter/redux/ui/ui_actions.dart';
import 'package:invoiceninja_flutter/ui/quote/edit/quote_edit_vm.dart';
import 'package:invoiceninja_flutter/ui/quote/quote_email_vm.dart';
import 'package:invoiceninja_flutter/ui/quote/quote_screen.dart';
import 'package:invoiceninja_flutter/ui/quote/view/quote_view_vm.dart';
import 'package:invoiceninja_flutter/utils/platforms.dart';
import 'package:redux/redux.dart';
import 'package:invoiceninja_flutter/redux/app/app_state.dart';
import 'package:invoiceninja_flutter/data/repositories/quote_repository.dart';

List<Middleware<AppState>> createStoreQuotesMiddleware([
  QuoteRepository repository = const QuoteRepository(),
]) {
  final viewQuoteList = _viewQuoteList();
  final viewQuote = _viewQuote();
  final editQuote = _editQuote();
  final showEmailQuote = _showEmailQuote();
  final convertQuote = _convertQuote(repository);
  final loadQuotes = _loadQuotes(repository);
  final loadQuote = _loadQuote(repository);
  final saveQuote = _saveQuote(repository);
  final archiveQuote = _archiveQuote(repository);
  final deleteQuote = _deleteQuote(repository);
  final restoreQuote = _restoreQuote(repository);
  final emailQuote = _emailQuote(repository);
  final markSentQuote = _markSentQuote(repository);

  return [
    TypedMiddleware<AppState, ViewQuoteList>(viewQuoteList),
    TypedMiddleware<AppState, ViewQuote>(viewQuote),
    TypedMiddleware<AppState, EditQuote>(editQuote),
    TypedMiddleware<AppState, ConvertQuote>(convertQuote),
    TypedMiddleware<AppState, ShowEmailQuote>(showEmailQuote),
    TypedMiddleware<AppState, LoadQuotes>(loadQuotes),
    TypedMiddleware<AppState, LoadQuote>(loadQuote),
    TypedMiddleware<AppState, SaveQuoteRequest>(saveQuote),
    TypedMiddleware<AppState, ArchiveQuoteRequest>(archiveQuote),
    TypedMiddleware<AppState, DeleteQuoteRequest>(deleteQuote),
    TypedMiddleware<AppState, RestoreQuoteRequest>(restoreQuote),
    TypedMiddleware<AppState, EmailQuoteRequest>(emailQuote),
    TypedMiddleware<AppState, MarkSentQuoteRequest>(markSentQuote),
  ];
}

Middleware<AppState> _viewQuote() {
  return (Store<AppState> store, dynamic dynamicAction,
      NextDispatcher next) async {
    final action = dynamicAction as ViewQuote;

    if (!action.force && hasChanges(
        store: store, context: action.context, action: action)) {
      return;
    }

    next(action);

    store.dispatch(UpdateCurrentRoute(QuoteViewScreen.route));

    if (isMobile(action.context)) {
      await Navigator.of(action.context).pushNamed(QuoteViewScreen.route);
    }
  };
}

Middleware<AppState> _viewQuoteList() {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as ViewQuoteList;

    if (!action.force && hasChanges(
        store: store, context: action.context, action: action)) {
      return;
    }

    next(action);

    if (store.state.quoteState.isStale) {
      store.dispatch(LoadQuotes());
    }

    store.dispatch(UpdateCurrentRoute(QuoteScreen.route));

    if (isMobile(action.context)) {
      Navigator.of(action.context).pushNamedAndRemoveUntil(
          QuoteScreen.route, (Route<dynamic> route) => false);
    }
  };
}

Middleware<AppState> _editQuote() {
  return (Store<AppState> store, dynamic dynamicAction,
      NextDispatcher next) async {
    final action = dynamicAction as EditQuote;

    if (!action.force && hasChanges(
        store: store, context: action.context, action: action)) {
      return;
    }

    next(action);

    store.dispatch(UpdateCurrentRoute(QuoteEditScreen.route));

    if (isMobile(action.context)) {
      final quote =
          await Navigator.of(action.context).pushNamed(QuoteEditScreen.route);

      if (action.completer != null && quote != null) {
        action.completer.complete(quote);
      }
    }
  };
}

Middleware<AppState> _showEmailQuote() {
  return (Store<AppState> store, dynamic dynamicAction,
      NextDispatcher next) async {
    final action = dynamicAction as ShowEmailQuote;

    next(action);

    final emailWasSent =
        await Navigator.of(action.context).pushNamed(QuoteEmailScreen.route);

    if (action.completer != null && emailWasSent != null && emailWasSent) {
      action.completer.complete(null);
    }
  };
}

Middleware<AppState> _archiveQuote(QuoteRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as ArchiveQuoteRequest;
    final origQuote = store.state.quoteState.map[action.quoteId];
    repository
        .saveData(store.state.credentials, origQuote, EntityAction.archive)
        .then((InvoiceEntity quote) {
      store.dispatch(ArchiveQuoteSuccess(quote));
      if (action.completer != null) {
        action.completer.complete(null);
      }
    }).catchError((Object error) {
      print(error);
      store.dispatch(ArchiveQuoteFailure(origQuote));
      if (action.completer != null) {
        action.completer.completeError(error);
      }
    });

    next(action);
  };
}

Middleware<AppState> _deleteQuote(QuoteRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as DeleteQuoteRequest;
    final origQuote = store.state.quoteState.map[action.quoteId];
    repository
        .saveData(store.state.credentials, origQuote, EntityAction.delete)
        .then((InvoiceEntity quote) {
      store.dispatch(DeleteQuoteSuccess(quote));
      if (action.completer != null) {
        action.completer.complete(null);
      }
    }).catchError((Object error) {
      print(error);
      store.dispatch(DeleteQuoteFailure(origQuote));
      if (action.completer != null) {
        action.completer.completeError(error);
      }
    });

    next(action);
  };
}

Middleware<AppState> _restoreQuote(QuoteRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as RestoreQuoteRequest;
    final origQuote = store.state.quoteState.map[action.quoteId];
    repository
        .saveData(store.state.credentials, origQuote, EntityAction.restore)
        .then((InvoiceEntity quote) {
      store.dispatch(RestoreQuoteSuccess(quote));
      if (action.completer != null) {
        action.completer.complete(null);
      }
    }).catchError((Object error) {
      print(error);
      store.dispatch(RestoreQuoteFailure(origQuote));
      if (action.completer != null) {
        action.completer.completeError(error);
      }
    });

    next(action);
  };
}

Middleware<AppState> _convertQuote(QuoteRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as ConvertQuote;
    final quote = store.state.quoteState.map[action.quoteId];
    repository
        .saveData(store.state.credentials, quote, EntityAction.convert)
        .then((InvoiceEntity invoice) {
      store.dispatch(ConvertQuoteSuccess(quote: quote, invoice: invoice));
      action.completer.complete(invoice);
    }).catchError((Object error) {
      print(error);
      store.dispatch(ConvertQuoteFailure(error));
      action.completer.completeError(error);
    });

    next(action);
  };
}

Middleware<AppState> _markSentQuote(QuoteRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as MarkSentQuoteRequest;
    final origQuote = store.state.quoteState.map[action.quoteId];
    repository
        .saveData(store.state.credentials, origQuote, EntityAction.markSent)
        .then((InvoiceEntity quote) {
      store.dispatch(MarkSentQuoteSuccess(quote));
      if (action.completer != null) {
        action.completer.complete(null);
      }
    }).catchError((Object error) {
      print(error);
      store.dispatch(MarkSentQuoteFailure(origQuote));
      if (action.completer != null) {
        action.completer.completeError(error);
      }
    });

    next(action);
  };
}

Middleware<AppState> _emailQuote(QuoteRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as EmailQuoteRequest;
    final origQuote = store.state.quoteState.map[action.quoteId];
    repository
        .emailQuote(store.state.credentials, origQuote, action.template,
            action.subject, action.body)
        .then((void _) {
      store.dispatch(EmailQuoteSuccess());
      if (action.completer != null) {
        action.completer.complete(null);
      }
    }).catchError((Object error) {
      print(error);
      store.dispatch(EmailQuoteFailure(error));
      if (action.completer != null) {
        action.completer.completeError(error);
      }
    });

    next(action);
  };
}

Middleware<AppState> _saveQuote(QuoteRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as SaveQuoteRequest;
    repository
        .saveData(store.state.credentials, action.quote)
        .then((InvoiceEntity quote) {
      if (action.quote.isNew) {
        store.dispatch(AddQuoteSuccess(quote));
      } else {
        store.dispatch(SaveQuoteSuccess(quote));
      }
      action.completer.complete(quote);
    }).catchError((Object error) {
      print(error);
      store.dispatch(SaveQuoteFailure(error));
      action.completer.completeError(error);
    });

    next(action);
  };
}

Middleware<AppState> _loadQuote(QuoteRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as LoadQuote;
    final AppState state = store.state;

    if (state.isLoading) {
      next(action);
      return;
    }

    store.dispatch(LoadQuoteRequest());
    repository.loadItem(store.state.credentials, action.quoteId).then((quote) {
      store.dispatch(LoadQuoteSuccess(quote));

      if (action.completer != null) {
        action.completer.complete(null);
      }
      if (state.projectState.isStale) {
        store.dispatch(LoadProjects());
      }
    }).catchError((Object error) {
      print(error);
      store.dispatch(LoadQuoteFailure(error));
      if (action.completer != null) {
        action.completer.completeError(error);
      }
    });

    next(action);
  };
}

Middleware<AppState> _loadQuotes(QuoteRepository repository) {
  return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
    final action = dynamicAction as LoadQuotes;
    final AppState state = store.state;

    if (!state.quoteState.isStale && !action.force) {
      next(action);
      return;
    }

    if (state.isLoading) {
      next(action);
      return;
    }

    final int updatedAt = (state.quoteState.lastUpdated / 1000).round();

    store.dispatch(LoadQuotesRequest());
    repository.loadList(store.state.credentials, updatedAt).then((data) {
      store.dispatch(LoadQuotesSuccess(data));
      if (action.completer != null) {
        action.completer.complete(null);
      }
      // TODO update once supported
      if (state.dashboardState.isStale) {
        store.dispatch(LoadDashboard());
      }
      /*
      if (state.projectState.isStale) {
        store.dispatch(LoadProjects());
      }
       */
    }).catchError((Object error) {
      print(error);
      store.dispatch(LoadQuotesFailure(error));
      if (action.completer != null) {
        action.completer.completeError(error);
      }
    });

    next(action);
  };
}