package company

import "testing"

func TestBrandKit_PromptBlock(t *testing.T) {
	empty := BrandKit{}
	if empty.PromptBlock() != "" {
		t.Fatalf("empty should yield empty prompt")
	}
	b := BrandKit{
		VoiceTone:      "confident, concise",
		Dos:            []string{"Lead with benefit"},
		Donts:          []string{"No hype"},
		PreferredTerms: []string{"wireless", "premium"},
	}
	got := b.PromptBlock()
	for _, want := range []string{"Brand:", "confident", "Lead with benefit", "No hype", "wireless"} {
		if !contains(got, want) {
			t.Fatalf("prompt missing %q: %s", want, got)
		}
	}
}

func TestBrandKit_FormulaTips(t *testing.T) {
	b := BrandKit{VoiceTone: "warm", PreferredTerms: []string{"eco"}}
	tips := b.FormulaTips()
	if len(tips) < 2 {
		t.Fatalf("tips=%v", tips)
	}
}

func TestCleanStringsDedup(t *testing.T) {
	got := cleanStrings([]string{"  A ", "a", "", "B"})
	if len(got) != 2 || got[0] != "A" || got[1] != "B" {
		t.Fatalf("got=%v", got)
	}
}

func contains(s, sub string) bool {
	return len(s) >= len(sub) && (s == sub || len(sub) == 0 ||
		(func() bool {
			for i := 0; i+len(sub) <= len(s); i++ {
				if s[i:i+len(sub)] == sub {
					return true
				}
			}
			return false
		})())
}