feat: complete legacy UI and playout parity migration

tools/MBN_STOCK_WEBVIEW.DbWriteSmoke/SmokeCommandLine.cs

@@ -0,0 +1,65 @@
+#nullable enable
+
+namespace MBN_STOCK_WEBVIEW.DbWriteSmoke;
+
+internal sealed record SmokeCommandOptions(
+    bool ShowHelp,
+    bool IsWriteAcknowledged,
+    string? ConfigurationPath);
+
+internal static class SmokeCommandLine
+{
+    internal const string WriteAcknowledgement =
+        "--i-understand-this-writes-development-database";
+    internal const string ConfigurationOption = "--configuration";
+
+    internal static bool TryParse(
+        IReadOnlyList<string> arguments,
+        out SmokeCommandOptions options)
+    {
+        ArgumentNullException.ThrowIfNull(arguments);
+        options = new SmokeCommandOptions(false, false, null);
+        if (arguments.Count == 0)
+        {
+            return true;
+        }
+
+        if (arguments.Count == 1 &&
+            arguments[0] is "--help" or "-h" or "/?")
+        {
+            options = options with { ShowHelp = true };
+            return true;
+        }
+
+        var acknowledged = false;
+        string? configurationPath = null;
+        for (var index = 0; index < arguments.Count; index++)
+        {
+            var argument = arguments[index];
+            switch (argument)
+            {
+                case WriteAcknowledgement when !acknowledged:
+                    acknowledged = true;
+                    break;
+                case ConfigurationOption when configurationPath is null &&
+                    index + 1 < arguments.Count:
+                    configurationPath = arguments[++index];
+                    if (string.IsNullOrWhiteSpace(configurationPath))
+                    {
+                        return false;
+                    }
+
+                    break;
+                default:
+                    return false;
+            }
+        }
+
+        options = new SmokeCommandOptions(false, acknowledged, configurationPath);
+        return true;
+    }
+
+    internal static string Usage =>
+        "Usage: MBN_STOCK_WEBVIEW.DbWriteSmoke " + WriteAcknowledgement +
+        " [" + ConfigurationOption + " <database.local.json>]";
+}