// Copyright (C) Stichting Deltares 2023. All rights reserved.
// 
// This file is part of the application DAM - UI.
// 
// DAM - UI is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// 
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System;
using SPath = System.IO.Path;

namespace Deltares.Dam.Data.IO;

public abstract class AbstractExporter<T> : IExport
{
    protected AbstractExporter(string name)
        : this(name, ".") {}

    protected AbstractExporter(string name, string outputPath)
        : this(name, outputPath, default) {}

    protected AbstractExporter(string name, string outputPath, T data)
    {
        Name = name;
        Path = outputPath;
        Data = data;
    }

    protected virtual void Export(string fileName, T data) {}

    #region Implementation of IExport

    /// <summary>
    /// Sets the name of the file without extension
    /// </summary>
    public string Name { get; set; }

    /// <summary>
    /// Sets the path of the output folder
    /// </summary>
    public string Path { set; get; }

    /// <summary>
    /// Sets the data to export
    /// </summary>
    object IExport.Data
    {
        set
        {
            Data = (T) value;
        }
    }

    /// <summary>
    /// Sets the data to export
    /// </summary>
    public T Data { set; protected get; }

    /// <summary>
    /// Gets or sets the name of the file which will be set/combined by Path + Name + Extension in the export method
    /// </summary>
    public string FileName { get; private set; }

    /// <summary>
    /// Gets or sets the file extension 
    /// </summary>
    protected string FileExtension { private get; set; }

    /// <summary>
    /// Exports the data to files in the current folder
    /// </summary>
    public void Export()
    {
        if (string.IsNullOrEmpty(Path))
        {
            throw new InvalidOperationException("path");
        }

        if (string.IsNullOrEmpty(Name) || Name.Trim() == "")
        {
            throw new InvalidOperationException("No name given for the file to export to");
        }

        FileName = SPath.Combine(Path, Name + FileExtension);

        Export(FileName, Data);
    }

    #endregion
}