namespace StellaOps.Audit.ReplayToken;

/// <summary>
/// Generates CLI snippets for one-click reproduce functionality.
/// </summary>
public sealed class ReplayCliSnippetGenerator
{
    /// <summary>
    /// Generates a CLI command to reproduce a decision.
    /// </summary>
    public string GenerateDecisionReplay(
        ReplayToken token,
        string alertId,
        string? feedManifestUri = null,
        string? policyVersion = null)
    {
        ArgumentNullException.ThrowIfNull(token);
        ArgumentException.ThrowIfNullOrWhiteSpace(alertId);

        var parts = new List<string>
        {
            "stellaops",
            "replay",
            "decision",
            $"--token {token.Value}",
            $"--alert-id {alertId}"
        };

        if (!string.IsNullOrWhiteSpace(feedManifestUri))
        {
            parts.Add($"--feed-manifest {feedManifestUri.Trim()}");
        }

        if (!string.IsNullOrWhiteSpace(policyVersion))
        {
            parts.Add($"--policy-version {policyVersion.Trim()}");
        }

        return string.Join(" \\\n+  ", parts);
    }

    /// <summary>
    /// Generates a CLI command to reproduce unknowns scoring.
    /// </summary>
    public string GenerateScoringReplay(
        ReplayToken token,
        string subjectKey,
        string? configVersion = null)
    {
        ArgumentNullException.ThrowIfNull(token);
        ArgumentException.ThrowIfNullOrWhiteSpace(subjectKey);

        var parts = new List<string>
        {
            "stellaops",
            "replay",
            "scoring",
            $"--token {token.Value}",
            $"--subject {subjectKey}"
        };

        if (!string.IsNullOrWhiteSpace(configVersion))
        {
            parts.Add($"--config-version {configVersion.Trim()}");
        }

        return string.Join(" \\\n+  ", parts);
    }
}