fix(parser): support nested if statements in cheat DSL

pkg/parser/dsl.go

@@ -14,7 +14,7 @@ import (
 func parseCheatDSL(cheat *Cheat, content string, path string, startLine int) []ParseError {
 	lines := joinContinuationLines(strings.Split(content, "\n"))
 
-	var currentCondition string
+	var conditionStack []string
 	var errs []ParseError
 	ifDepth := 0
 	ifLines := []int{}
@@ -26,6 +26,15 @@ func parseCheatDSL(cheat *Cheat, content string, path string, startLine int) []P
 			continue
 		}
 
+		// Calculate currentCondition from the stack
+		var conds []string
+		for _, c := range conditionStack {
+			if c != "" {
+				conds = append(conds, c)
+			}
+		}
+		currentCondition := strings.Join(conds, " && ")
+
 		keyword, rest := splitFirstWord(line)
 		switch keyword {
 		case "fi":
@@ -37,13 +46,14 @@ func parseCheatDSL(cheat *Cheat, content string, path string, startLine int) []P
 			} else {
 				ifDepth--
 				ifLines = ifLines[:len(ifLines)-1]
+				conditionStack = conditionStack[:len(conditionStack)-1]
 			}
-			currentCondition = ""
 		case "if":
 			if rest == "" {
 				errs = append(errs, ParseError{File: path, Line: lineNo, Message: "`if` requires a condition"})
+				conditionStack = append(conditionStack, "")
 			} else {
-				currentCondition = rest
+				conditionStack = append(conditionStack, rest)
 			}
 			ifDepth++
 			ifLines = append(ifLines, lineNo)

pkg/parser/dsl_test.go

@@ -0,0 +1,34 @@
+package parser
+
+import (
+	"testing"
+)
+
+func TestDSLIfNesting(t *testing.T) {
+	cheat := &Cheat{}
+	dslBlock := `
+if A
+	if B
+		var X = echo x
+	fi
+	var Y = echo y
+fi
+`
+	errs := parseCheatDSL(cheat, dslBlock, "test.md", 1)
+	if len(errs) > 0 {
+		t.Fatalf("unexpected errors: %v", errs)
+	}
+
+	if len(cheat.Vars) != 2 {
+		t.Fatalf("expected 2 vars, got %d", len(cheat.Vars))
+	}
+
+	for _, v := range cheat.Vars {
+		if v.Name == "X" && v.Condition != "A && B" {
+			t.Errorf("expected var X condition to be A && B, got %s", v.Condition)
+		}
+		if v.Name == "Y" && v.Condition != "A" {
+			t.Errorf("expected var Y condition to be A, got %s", v.Condition)
+		}
+	}
+}