namespace Application.Endpoints.SicknessPrediction;

public class SicknessPredictionHandler
{
    public async Task<BaseResponse> GetPrediction(SicknessPredictionDto dto)
    {
        var validation = new SicknessPredictionValidator();
        var validationResult = await validation.ValidateAsync(dto);

        if (!validationResult.IsValid)
        {
            var firstError = validationResult.Errors.FirstOrDefault();
            var errorCode = int.TryParse(firstError.ErrorCode, out var code) ? code : -1;
            var errorMessage = firstError.ErrorMessage;

            return new BaseResponse
            {
                StatusCode = errorCode,
                Message = errorMessage,
                Data = null
            };
        }
        
        var currentDirectory = Directory.GetCurrentDirectory(); // gets the current working directory
        var applicationDirectory = Path.Combine(Directory.GetParent(currentDirectory)?.FullName, "Application");

        var scriptPath = Path.Combine(applicationDirectory, "Endpoints","SicknessPrediction", "SicknessPredictionScript.py");
        var scriptRunner = new PythonScriptRunner();
        var result = await scriptRunner.RunPythonScript(scriptPath, dto.Text);

        return result;
    }
}