namespace Azaion.Missions.E2E.Reporting;

/// <summary>
/// One CSV row per test, matching the header documented in
/// <c>_docs/02_document/tests/environment.md § Reporting</c>:
/// <c>TestId,TestName,Category,Traces,ExecutionTimeMs,Result,ErrorMessage</c>.
/// </summary>
public sealed record ResultRow(
    string TestId,
    string TestName,
    string Category,
    string Traces,
    long ExecutionTimeMs,
    string Result,
    string? ErrorMessage)
{
    public static string CsvHeader =>
        "TestId,TestName,Category,Traces,ExecutionTimeMs,Result,ErrorMessage";

    public string ToCsv() =>
        string.Join(',', [
            CsvEscape(TestId),
            CsvEscape(TestName),
            CsvEscape(Category),
            CsvEscape(Traces),
            ExecutionTimeMs.ToString(System.Globalization.CultureInfo.InvariantCulture),
            CsvEscape(Result),
            CsvEscape(StripFirstLine(ErrorMessage))
        ]);

    private static string CsvEscape(string? value)
    {
        if (string.IsNullOrEmpty(value)) return "";
        if (value.Contains(',') || value.Contains('"') || value.Contains('\n'))
            return $"\"{value.Replace("\"", "\"\"")}\"";
        return value;
    }

    private static string StripFirstLine(string? message)
    {
        if (string.IsNullOrEmpty(message)) return "";
        var idx = message.IndexOf('\n');
        return (idx < 0 ? message : message[..idx]).Replace("\r", "").Trim();
    }
}