1 files changed, 80 insertions, 0 deletions
diff --git a/internal/report/report.go b/internal/report/report.go
new file mode 100644
index 0000000..a97039e
--- /dev/null
+++ b/internal/report/report.go
@@ -0,0 +1,80 @@
+package report
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/Fuwn/kivia/internal/analyze"
+	"github.com/Fuwn/kivia/internal/collect"
+	"io"
+	"strings"
+)
+
+func Render(writer io.Writer, result analyze.Result, format string, includeContext bool) error {
+	switch strings.ToLower(format) {
+	case "json":
+		return renderJSON(writer, result, includeContext)
+	case "text", "":
+		return renderText(writer, result, includeContext)
+	default:
+		return fmt.Errorf("Unsupported output format %q. Use \"text\" or \"json\".", format)
+	}
+}
+
+func renderText(writer io.Writer, result analyze.Result, includeContext bool) error {
+	if len(result.Violations) == 0 {
+		_, err := fmt.Fprintln(writer, "No naming violations found.")
+
+		return err
+	}
+
+	for _, violation := range result.Violations {
+		if _, err := fmt.Fprintf(writer, "%s:%d:%d %s %q: %s\n",
+			violation.Identifier.File,
+			violation.Identifier.Line,
+			violation.Identifier.Column,
+			violation.Identifier.Kind,
+			violation.Identifier.Name,
+			violation.Reason,
+		); err != nil {
+			return err
+		}
+
+		if includeContext {
+			contextParts := make([]string, 0, 3)
+
+			if violation.Identifier.Context.Type != "" {
+				contextParts = append(contextParts, "type="+violation.Identifier.Context.Type)
+			}
+
+			if violation.Identifier.Context.ValueExpression != "" {
+				contextParts = append(contextParts, "value="+violation.Identifier.Context.ValueExpression)
+			}
+
+			if violation.Identifier.Context.EnclosingFunction != "" {
+				contextParts = append(contextParts, "function="+violation.Identifier.Context.EnclosingFunction)
+			}
+
+			if len(contextParts) > 0 {
+				if _, err := fmt.Fprintf(writer, "  context: %s\n", strings.Join(contextParts, ", ")); err != nil {
+					return err
+				}
+			}
+		}
+	}
+
+	return nil
+}
+
+func renderJSON(writer io.Writer, result analyze.Result, includeContext bool) error {
+	if !includeContext {
+		for index := range result.Violations {
+			result.Violations[index].Identifier.Context = collect.Context{}
+		}
+	}
+
+	encoder := json.NewEncoder(writer)
+
+	encoder.SetIndent("", "  ")
+
+	return encoder.Encode(result)
+}