package web

import (
	"strings"
	"testing"

	"pete/internal/storage"
)

// TestProseAcceptedWhenClean: gogobee's LLM prose replaces the template render
// (on the site row AND the live Matrix post) when both fields are present and
// name nobody the fact did not authorize.
func TestProseAcceptedWhenClean(t *testing.T) {
	const token = "t"
	s, posted := newAdvServer(t, token)

	const hl = "Josie went into the Ossuary alone and came back with the crown."
	const lede = "No fanfare, no party — just Josie, a locked door, and a very bad afternoon for whatever was guarding it. She walked back out at level 14 with the thing everyone else left behind."
	f := AdvFact{
		GUID: "boss_kill:j:1", EventType: "boss_kill", Tier: "priority",
		Actors: []string{"Josie"}, Subject: "Josie", Boss: "the Bone Warden",
		Zone: "the Ossuary", Level: 14, OccurredAt: 1,
		Headline: hl, Lede: lede,
	}
	if rw := postFact(t, s, token, f); rw.Code != 200 {
		t.Fatalf("ingest status = %d body=%s", rw.Code, rw.Body.String())
	}
	got, err := storage.GetStoryByGUID(f.GUID)
	if err != nil || got == nil {
		t.Fatalf("story not stored: %v", err)
	}
	if got.Headline != hl {
		t.Errorf("stored headline = %q, want the LLM headline", got.Headline)
	}
	if got.Lede != lede {
		t.Errorf("stored lede = %q, want the LLM lede", got.Lede)
	}
	if len(*posted) != 1 || (*posted)[0].Headline != hl {
		t.Fatalf("live post did not carry LLM headline: %+v", *posted)
	}
}

// TestProseRejectedNamesBystander: prose that names a real adventurer on the
// board who is NOT in the fact's Actors is the injection this guard exists for.
// It must fall back to the template, not print the name.
func TestProseRejectedNamesBystander(t *testing.T) {
	const token = "t"
	s, _ := newAdvServer(t, token)
	// Kif is a real, current adventurer — but this fact is about Josie.
	if err := storage.ReplaceRoster([]storage.RosterEntry{
		{Token: "tk", Name: "Kif", Level: 9, Status: "idle"},
	}, 1); err != nil {
		t.Fatal(err)
	}

	f := AdvFact{
		GUID: "boss_kill:j:2", EventType: "boss_kill", Tier: "priority",
		Actors: []string{"Josie"}, Subject: "Josie", Boss: "the Bone Warden",
		Zone: "the Ossuary", Level: 14, OccurredAt: 1,
		Headline: "Josie and Kif split the Ossuary hoard.",
		Lede:     "A tidy bit of teamwork down in the dark today.",
	}
	if rw := postFact(t, s, token, f); rw.Code != 200 {
		t.Fatalf("ingest status = %d", rw.Code)
	}
	got, err := storage.GetStoryByGUID(f.GUID)
	if err != nil || got == nil {
		t.Fatalf("story not stored: %v", err)
	}
	if strings.Contains(got.Headline+got.Lede, "Kif") {
		t.Errorf("bystander name leaked past the guard: %q / %q", got.Headline, got.Lede)
	}
	// The template render is what should have published instead.
	tHl, _, _ := renderAdventure(f)
	if got.Headline != tHl {
		t.Errorf("did not fall back to template: headline = %q, want %q", got.Headline, tHl)
	}
}

// TestProseRejectedTooLong: a runaway generation past the length caps is not a
// dispatch. Falls back to the template.
func TestProseRejectedTooLong(t *testing.T) {
	const token = "t"
	s, _ := newAdvServer(t, token)
	f := AdvFact{
		GUID: "arrival:z:1", EventType: "arrival", Tier: "bulletin",
		Actors: []string{"Zapp"}, Subject: "Zapp", ClassRace: "human fighter",
		OccurredAt: 1,
		Headline:   "Welcome, Zapp.",
		Lede:       strings.Repeat("very long ", maxDispatchLede),
	}
	if rw := postFact(t, s, token, f); rw.Code != 200 {
		t.Fatalf("ingest status = %d", rw.Code)
	}
	got, err := storage.GetStoryByGUID(f.GUID)
	if err != nil || got == nil {
		t.Fatalf("story not stored: %v", err)
	}
	tHl, _, _ := renderAdventure(f)
	if got.Headline != tHl {
		t.Errorf("over-length prose was not rejected: headline = %q", got.Headline)
	}
}

// TestProseNeedsBothFields: a headline with no lede is half a voice. The guard
// path is only taken when both are present; otherwise the whole template renders.
func TestProseNeedsBothFields(t *testing.T) {
	const token = "t"
	s, _ := newAdvServer(t, token)
	f := AdvFact{
		GUID: "arrival:z:2", EventType: "arrival", Tier: "bulletin",
		Actors: []string{"Zapp"}, Subject: "Zapp", ClassRace: "human fighter",
		OccurredAt: 1,
		Headline:   "Welcome, Zapp — a headline with no body.",
		// Lede intentionally empty.
	}
	if rw := postFact(t, s, token, f); rw.Code != 200 {
		t.Fatalf("ingest status = %d", rw.Code)
	}
	got, _ := storage.GetStoryByGUID(f.GUID)
	tHl, _, _ := renderAdventure(f)
	if got == nil || got.Headline != tHl {
		t.Errorf("half-authored prose was used; want template headline %q", tHl)
	}
}

func TestContainsWholeWord(t *testing.T) {
	cases := []struct {
		hay, needle string
		want        bool
	}{
		{"josie and kif split it", "kif", true},
		{"the kiffish blade", "kif", false},   // substring, not a word
		{"al arrived", "al", true},            // short name, still bounded
		{"alabama arrived", "al", false},      // bounded off
		{"ended with kif.", "kif", true},      // trailing punctuation is a boundary
		{"名月 cleared it", "名月", true},         // non-ASCII name, bounded by space
		{"the 名月光 shard", "名月", false},        // non-ASCII substring, not a word
		{"nobody here", "kif", false},         // absent
	}
	for _, c := range cases {
		if got := containsWholeWord(c.hay, c.needle); got != c.want {
			t.Errorf("containsWholeWord(%q,%q) = %v, want %v", c.hay, c.needle, got, c.want)
		}
	}
}