using System;
using System.IO;
using System.Linq;

namespace CardboardBox.Cli
{
    class Program
    {
        private static string[] IgnoreDirectories = new[] { "bin", "obj", ".git", ".vs", "Release", "Debug", "node_modules" };

        static void Main(string[] args)
        {
            var path = args[0];
            var replacer = args[1];
            var replacement = args[2];

            MoveDirectories(path, replacer, replacement);
            HandleFiles(path, replacer, replacement);
        }

        private static void MoveDirectories(string path, string replacer, string replacement)
        {
            var directories = Directory.GetDirectories(path);
            foreach (var directory in directories)
            {
                if (ContainsIgnore(directory))
                    continue;

                Console.WriteLine("Directory Check: " + directory);
                if (directory.Contains(replacer))
                {
                    Directory.Move(directory, directory.Replace(replacer, replacement));
                }
            }
        }

        private static bool ContainsIgnore(string path)
        {
            return IgnoreDirectories.Any(t => path.Contains(t));
        }

        private static string[] GetFiles(string sourceFolder, string filters, SearchOption searchOption)
        {
            return filters.Split('|').SelectMany(filter => Directory.GetFiles(sourceFolder, filter, searchOption)).ToArray();
        }

        private static void HandleFiles(string path, string replacer, string replacement)
        {
            var files = GetFiles(path, "*.cs|*.csproj|*.sln", SearchOption.AllDirectories);
            Console.WriteLine("Checking Files: " + files.Length);

            foreach(var file in files)
            {
                if (ContainsIgnore(file))
                    continue;

                Console.WriteLine("File Check: " + file);
                var data = File.ReadAllText(file);
                if (data.Contains(replacer))
                    File.WriteAllText(file, data.Replace(replacer, replacement));

                if (file.Contains(replacer))
                    File.Move(file, file.Replace(replacer, replacement));
            }
        }
    }
}