package knowledge

import "testing"

func TestExpandStrategyUsesSupplementalBrave(t *testing.T) {
	if !ExpandStrategyBrave.UsesSupplementalBrave() {
		t.Fatal("brave should use supplemental brave")
	}
	if ExpandStrategyHybrid.UsesSupplementalBrave() {
		t.Fatal("hybrid should skip supplemental brave")
	}
	if ExpandStrategyLLM.UsesSupplementalBrave() {
		t.Fatal("llm should skip supplemental brave")
	}
}

func TestParseExpandStrategy(t *testing.T) {
	cases := map[string]ExpandStrategy{
		"":        ExpandStrategyBrave,
		"brave":   ExpandStrategyBrave,
		"BRAVE":   ExpandStrategyBrave,
		"llm":     ExpandStrategyLLM,
		"hybrid":  ExpandStrategyHybrid,
		"unknown": ExpandStrategyBrave,
	}
	for raw, want := range cases {
		if got := ParseExpandStrategy(raw); got != want {
			t.Fatalf("ParseExpandStrategy(%q) = %q, want %q", raw, got, want)
		}
	}
}

func TestExpandStrategyRequiresBrave(t *testing.T) {
	if !ExpandStrategyBrave.RequiresBrave() || !ExpandStrategyHybrid.RequiresBrave() {
		t.Fatal("brave/hybrid should require brave")
	}
	if ExpandStrategyLLM.RequiresBrave() {
		t.Fatal("llm should not require brave")
	}
}