using System.Text.Json.Serialization;

namespace ParadoxSaveParser.WebAPI.Database;

public enum SaveFileProcessingStatus
{
    Initialized,
    Uploaded,
    Parsing,
    SavingResults,
    Done,
    Error,
}

public enum OriginalFileType
{
    Text,
    Zip,
}

public class LowerCaseEnumConverter<T>() : JsonStringEnumConverter<T>(JsonNamingPolicy.SnakeCaseLower) where T : struct, Enum;

public class SaveFileMetadata
{
    [SQLite.PrimaryKey]
    [SQLite.NotNull]
    public string id { get; init; } = null!;

    [JsonConverter(typeof(JsonStringEnumConverter))]
    [SQLite.NotNull]
    public Game game { get; init; }

    [JsonConverter(typeof(LowerCaseEnumConverter<SaveFileProcessingStatus>))]
    [SQLite.NotNull]
    public SaveFileProcessingStatus status { get; set; }

    [SQLite.NotNull]
    public DateTime uploadDateTime { get; set; }

    [JsonConverter(typeof(LowerCaseEnumConverter<OriginalFileType>))]
    [SQLite.NotNull]
    public OriginalFileType originalFileType { get; init; }

    [SQLite.NotNull]
    public string originalFileName { get; init; } = null!;

    // if error occured during parsing, it's message is saved here
    // status stays the same as when error occured
    public string? errorMessage { get; set; }


    public IOPath GetSaveFilePath() => Path.Concat(PathHelper.SAVES_DIR, id + ".tar.zst");

    public IOPath GetParsedDataPath() => Path.Concat(PathHelper.PARSED_DIR, id + ".parsed.json.zstd");

    public bool AssociatedFilesExist()
    {
        return File.Exists(GetSaveFilePath()) && File.Exists(GetParsedDataPath());
    }
}