/*
 * Copyright 2012-2018 Morgan McMillian <gilag@monkeystew.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef TASKMODEL_H_
#define TASKMODEL_H_

#include <bb/cascades/QListDataModel>
#include <bb/system/SystemDialog>
#include <bb/system/SystemUiButton>
#include <bb/system/SystemToast>
#include <QRegExp>
#include <QSettings>

#include "LocalFile.h"

using namespace bb::cascades;
using namespace bb::system;

class TaskModel: public bb::cascades::QVariantListDataModel {
	Q_OBJECT

	Q_PROPERTY(int sort READ sort WRITE setSort NOTIFY sortChanged)
	Q_PROPERTY(QVariantList filters READ filters FINAL)
	Q_PROPERTY(QVariantList tododata READ tododata FINAL)

public:
	TaskModel(QObject* parent = 0);
	virtual ~TaskModel();

	enum SortType { PRIORITY, ID, TEXT, DUE };
	Q_ENUMS(SortType);

	int sort() const;
	void setSort(const int &sort);
	QVariantList filters() const;
	QVariantList tododata();

	Q_INVOKABLE void refresh();
	Q_INVOKABLE void commit();
	Q_INVOKABLE void load();
	Q_INVOKABLE void save();
	Q_INVOKABLE void archive();
	Q_INVOKABLE void search(const QString &text);
	Q_INVOKABLE QVariant setting(const QString &setting, const QVariant &defVal) const;
	Q_INVOKABLE QString activeFilters();
	Q_INVOKABLE QString formatDate(const QDateTime &date) const;
	Q_INVOKABLE void promptPurgeSandbox();
	Q_INVOKABLE void exportFiles(const QStringList &files);
	Q_SLOT void setView();
	Q_SLOT void setValue(int idx, const QString &key, const QVariant &value);
	Q_SLOT void updateTask(int idx, const QString &task);
	Q_SLOT void addFullTask(const QString &task);
	Q_SLOT void promptDelete(int idx);
	Q_SLOT void delTask(int idx);
	Q_SLOT void changeFilter(const QString &filter, const bool &enabled);
	Q_SLOT void resetFilter();
	Q_SLOT void modifySetting(const QString &setting, const QVariant &value);
	Q_SLOT void onFileDataChanged(QStringList data);
	Q_SLOT void onArchiveData(QStringList data);
	Q_SLOT void onDeleteTask(bb::system::SystemUiResult::Type value);
	Q_SLOT void onConfirmPurge(bb::system::SystemUiResult::Type value);

	Q_SIGNAL void sortChanged(SortType sort);
	Q_SIGNAL void listUpdated();

private:

	QVariantMap parseTask(QString rawTask);
	QString buildTask(const QVariantMap &task);
	static bool sortByPriority(const QString &a, const QString &b);
	static bool sortByText(const QString &a, const QString &b);
	static bool sortByDueDate(const QString &a, const QString &b);

	QRegExp regxComp;
	QRegExp regxPri;
	QRegExp regxDate;
	QRegExp regxProj;
	QRegExp regxCtx;

	QSettings *ts_settings;
	LocalFile localfile;
	SystemDialog *dialog;
	SystemToast *toast;

	QStringList mProjects;
	QStringList mContexts;
	QStringList mDueDates;
	QStringList mFilters;
	QStringList mTodoList;
	QStringList mArchiveData;
	QVariantList mTodoData;
	QString mSearch;
	int mSort;
	int mDelete;
	bool mOffline;

};

#endif /* TASKMODEL_H_ */