templates support

Inspectron.Epson.Templates/Configuration/TemplateResolver.cs

@@ -0,0 +1,45 @@
+namespace Inspectron.Epson.Templates.Configuration;
+
+public class TemplateResolver
+{
+    private readonly List<TemplateAssignment> _assignments;
+    private readonly string _fallbackTemplate;
+
+    public TemplateResolver(TemplateConfiguration configuration)
+    {
+        _assignments = configuration.GetAssignments().ToList();
+        _fallbackTemplate = configuration.FallbackTemplate;
+    }
+
+    public TemplateResolver(IEnumerable<TemplateAssignment> assignments, string fallbackTemplate = "fallback.template")
+    {
+        _assignments = assignments.ToList();
+        _fallbackTemplate = fallbackTemplate;
+    }
+
+    public string Resolve(int receiptType, string profileId)
+    {
+        // Priority 1: Exact match (receiptType + profileId)
+        var exactMatch = _assignments.FirstOrDefault(a => a.MatchesExact(receiptType, profileId));
+        if (exactMatch != null)
+        {
+            return exactMatch.TemplatePath;
+        }
+
+        // Priority 2: Type-only match (receiptType without profileId)
+        var typeMatch = _assignments.FirstOrDefault(a => a.MatchesTypeOnly(receiptType));
+        if (typeMatch != null)
+        {
+            return typeMatch.TemplatePath;
+        }
+
+        // Priority 3: Fallback
+        return _fallbackTemplate;
+    }
+
+    public string Resolve(int receiptType, byte printerId, PrinterProfileRegistry registry)
+    {
+        var profile = registry.GetProfile(printerId);
+        return Resolve(receiptType, profile.Id);
+    }
+}