package support

import (
	"strings"
	"testing"

	"github.com/google/uuid"
)

func TestScoreCorpusItem_keywordAndCategory(t *testing.T) {
	t.Parallel()
	hay := "i cannot reset my password on the account page"
	score := ScoreCorpusItemForTest(hay, "account",
		[]string{"password", "reset"},
		[]string{"password_reset"},
		[]string{"account"},
		0,
	)
	if score < 0.78 {
		t.Fatalf("expected strong match score >= 0.78, got %v", score)
	}
	weak := ScoreCorpusItemForTest("hello world", "other",
		[]string{"password", "reset", "billing", "invoice"},
		nil,
		[]string{"billing"},
		0,
	)
	if weak >= 0.5 {
		t.Fatalf("expected weak score < 0.5, got %v", weak)
	}
}

func TestRedactSecretsForMatch(t *testing.T) {
	t.Parallel()
	in := "key sk-abcdefghijklmnopqrstuvwxyz12 and Bearer tokensecret1234567890 end"
	out := RedactSecretsForMatch(in)
	if strings.Contains(out, "sk-abcdefghijklmnopqrstuvwxyz12") || strings.Contains(out, "tokensecret1234567890") {
		t.Fatalf("secrets not redacted: %q", out)
	}
	if !strings.Contains(out, "REDACTED") {
		t.Fatalf("expected REDACTED marker, got %q", out)
	}
}

func TestApplyTemplatePlaceholders_allowlist(t *testing.T) {
	t.Parallel()
	ticket := Ticket{Subject: "Need help", Category: "billing"}
	body := applyTemplatePlaceholders("Re: {{subject}} ({{category}}) {{evil}}", ticket)
	if !strings.Contains(body, "Need help") || !strings.Contains(body, "billing") {
		t.Fatalf("placeholders not applied: %q", body)
	}
	if !strings.Contains(body, "{{evil}}") {
		t.Fatalf("disallowed placeholder should remain literal: %q", body)
	}
}

func TestLabelAutoBody_idempotent(t *testing.T) {
	t.Parallel()
	once := labelAutoBody("Hello")
	twice := labelAutoBody(once)
	if strings.Count(twice, "Automated answer from help center") != 1 {
		t.Fatalf("footer duplicated: %q", twice)
	}
}

func TestMatchAutoReplyResult_shape(t *testing.T) {
	t.Parallel()
	id := uuid.New()
	r := MatchAutoReplyResult{
		Matched:    true,
		Confidence: 0.9,
		ReplyBody:  "answer",
		ArticleID:  &id,
		Kind:       MatchKindKBArticle,
	}
	if !r.Matched || r.ArticleID == nil || r.Kind != MatchKindKBArticle {
		t.Fatalf("unexpected result: %+v", r)
	}
}