using Microsoft.Extensions.Logging;

namespace File_Folder_Helper.ADO2025.PI5;

internal static partial class Helper20250421 {

    internal static void FreeFileSyncChangeCreatedDate(ILogger<Worker> logger, List<string> args) {
        string searchPattern = args[2];
        string[] searchPatterns = args[3].Split('~');
        string sourceDirectory = Path.GetFullPath(args[0]);
        if (searchPatterns.Length != 2) {
            throw new NotImplementedException($"Not the correct number of {searchPatterns} were passed!");
        }
        string lastSyncSearch = $"{searchPatterns[0]}=\"";
        string configurationFileSearch = $"{searchPatterns[1]}=\"";
        string[] files = Directory.GetFiles(sourceDirectory, searchPattern, SearchOption.AllDirectories);
        if (files.Length != 1) {
            logger.LogWarning("<{files}>(s)", files.Length);
        } else {
            ChangeCreatedDate(lastSyncSearch, configurationFileSearch, files[0]);
        }
    }

    private static void ChangeCreatedDate(string lastSyncSearch, string configurationFileSearch, string sourceFile) {
        long epoch;
        string lastSync;
        string[] segments;
        string[] segmentsB;
        DateTime creationTime;
        string configurationFile;
        string[] lines = File.ReadAllLines(sourceFile);
        foreach (string line in lines) {
            segments = line.Split(lastSyncSearch);
            if (segments.Length != 2) {
                continue;
            }
            segmentsB = line.Split(configurationFileSearch);
            if (segmentsB.Length != 2) {
                continue;
            }
            lastSync = segments[1].Split('"')[0];
            if (!long.TryParse(lastSync, out epoch) || epoch == 0) {
                continue;
            }
            configurationFile = segmentsB[1].Split('"')[0];
            if (!File.Exists(configurationFile)) {
                continue;
            }
            creationTime = new(DateTimeOffset.UnixEpoch.AddSeconds(epoch).ToLocalTime().Ticks);
            File.SetCreationTime(configurationFile, creationTime);
        }
    }
}