using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Logging;

namespace Tango.Protobuf
{
    /// <summary>
    /// Represents an <see cref="IProtoCompiler"/> file compilation result.
    /// </summary>
    /// <seealso cref="Tango.Protobuf.ICompilerResult" />
    public class CompilerFileResult : ICompilerResult
    {
        private LogManager logManager = LogManager.Default;

        /// <summary>
        /// Gets the result language.
        /// </summary>
        public CompilerLanguage Language { get; private set; }

        /// <summary>
        /// Gets the result name.
        /// </summary>
        public String Name { get; internal set; }

        /// <summary>
        /// Gets the result source path.
        /// </summary>
        public String SourcePath { get; private set; }

        /// <summary>
        /// Gets the file content.
        /// </summary>
        public String Content { get; internal set; }

        /// <summary>
        /// Gets or sets the relative file path.
        /// </summary>
        internal String RelativePath { get; private set; }

        /// <summary>
        /// Initializes a new instance of the <see cref="CompilerFileResult"/> class.
        /// </summary>
        /// <param name="language">The language.</param>
        /// <param name="sourcePath">The source path.</param>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="content">File contents.</param>
        public CompilerFileResult(CompilerLanguage language, String sourcePath, String fileName, String relativePath, String content)
        {
            Language = language;
            SourcePath = sourcePath;
            Name = fileName;
            RelativePath = relativePath;
            Content = content;
        }

        /// <summary>
        /// Saves the result to the specified folder.
        /// </summary>
        /// <param name="folder">The folder.</param>
        public void Save(String folder)
        {
            logManager.Log("Saving " + Path.Combine(folder, Name) + "...");

            Directory.CreateDirectory(folder);
            File.WriteAllText(Path.Combine(folder, Name), Content);
        }

        /// <summary>
        /// Returns a <see cref="System.String" /> that represents this instance.
        /// </summary>
        /// <returns>
        /// A <see cref="System.String" /> that represents this instance.
        /// </returns>
        public override string ToString()
        {
            return Name;
        }
    }
}