using System;
using FileCompression.Enums;
using FileCompression.Interfaces;
using FileCompression.Services.Composites;
using FileCompression.Services.Strategies;

namespace FileCompression.Services;

public static class CompressorFactory
{
    public static ICompressionStrategy CreateCompressorStrategy(CompressionMode mode)
    {
        return mode switch
        {
            CompressionMode.Zip => new ZipStrategy(),
            CompressionMode.Tar => new TarGzStrategy(),
            CompressionMode.TarGz => new TarGzStrategy(),
            _ => throw new NotSupportedException($"Compression mode '{mode}' is not supported.")
        };
    }

    public static ICompressor CreateCompressor(string sourcePath, string destinationPath, CompressionMode mode, StrategyContext strategyContext)
    {
        string basePath = sourcePath.Substring(0, sourcePath.LastIndexOf(Path.DirectorySeparatorChar));
        basePath = basePath.Substring(0, sourcePath.LastIndexOf(Path.DirectorySeparatorChar));
        Console.WriteLine($"Base path: {basePath}");
        if (File.Exists(sourcePath))
        {
            switch (mode)
            {
                case CompressionMode.Zip:
                    return new FileCompressor(sourcePath, destinationPath, basePath, strategyContext);
                case CompressionMode.Tar:
                    return new FileCompressor(sourcePath, destinationPath, basePath, strategyContext);
                case CompressionMode.TarGz:
                    return new TarCompressor(sourcePath, destinationPath, basePath, strategyContext);
                default:
                    throw new NotSupportedException($"Compression mode '{mode}' is not supported.");
            }
        }
        if (Directory.Exists(sourcePath))
        {
            switch (mode)
            {
                case CompressionMode.Zip:
                    return new FolderCompressor(sourcePath, destinationPath, basePath, strategyContext);
                case CompressionMode.Tar:
                    return new FolderCompressor(sourcePath, destinationPath, basePath, strategyContext);
                case CompressionMode.TarGz:
                    return new TarCompressor(sourcePath, destinationPath, basePath, strategyContext);
                default:
                    throw new NotSupportedException($"Compression mode '{mode}' is not supported.");
            }
        }
        throw new ArgumentException("Source path must be a file or directory.", nameof(sourcePath));

    }

}