using Microsoft.Extensions.Logging;

namespace File_Folder_Helper.ADO2025.PI6;

internal static partial class Helper20250803 {

    internal static void CreatedDateOffset(ILogger<Worker> logger, List<string> args) {
        logger.LogInformation(args[0]);
        logger.LogInformation(args[1]);
        logger.LogInformation(args[2]);
        logger.LogInformation(args[3]);
        logger.LogInformation(args[4]);
        logger.LogInformation(args[5]);
        int years = int.Parse(args[3]) * -1;
        if (args[4] != "Years") {
            throw new NotImplementedException($"{args[4]} != Days");
        }
        string checkFile;
        FileInfo fileInfo;
        DateTime dateTime;
        string searchPattern = args[2];
        string fileNameWithoutExtension;
        string fileNameWithoutExtensionOut;
        string sourceDirectory = Path.GetFullPath(args[0].Split('~')[0]);
        string destinationDirectory = Path.GetFullPath(args[5].Split('~')[0]);
        if (!Directory.Exists(destinationDirectory)) {
            _ = Directory.CreateDirectory(destinationDirectory);
        }
        string[] files = Directory.GetFiles(sourceDirectory, searchPattern, SearchOption.AllDirectories);
        foreach (string file in files) {
            fileInfo = new(file);
            fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fileInfo.FullName);
            fileNameWithoutExtensionOut = fileNameWithoutExtension[^1] == '9' ?
                $"{fileNameWithoutExtension[..^1]}7" :
                fileNameWithoutExtension[^1] == '1' ?
                $"{fileNameWithoutExtension[..^1]}3" :
                fileNameWithoutExtension;
            checkFile = Path.Combine(destinationDirectory, $"{fileNameWithoutExtensionOut}{fileInfo.Extension}");
            if (File.Exists(checkFile)) {
                logger.LogWarning("<{file}> already exists!", checkFile);
                continue;
            }
            File.Copy(file, checkFile);
            dateTime = new DateTime(fileInfo.LastWriteTime.Year + years, fileInfo.LastWriteTime.Month, fileInfo.LastWriteTime.Day, fileInfo.LastWriteTime.Hour, fileInfo.LastWriteTime.Minute, fileInfo.LastWriteTime.Second);
            File.SetCreationTime(checkFile, dateTime);
        }
    }
}