package movementtest

import (
	"html/template"
	"net/http"
	"strings"
	"testing"

	movement "amadan.net/carlos/movement/internal/movement"
)

// The all-in page hands its reader the model's output and then says so. The
// disclosure is the joke, so it has to be visible, on that page, and nowhere
// else — and since 2026-09-03 it sits AFTER the text it describes, because a
// note about copy that arrives before the copy is just a preamble.
func TestTheDisclosureFollowsTheAllInReplyAndAppearsNowhereElse(t *testing.T) {
	h := newApp(t)

	line := movement.T("stance.enthusiast.disclosure")

	rec := get(t, h, "/all-in")
	if rec.Code != http.StatusOK {
		t.Fatalf("GET /all-in: %d", rec.Code)
	}
	body := rec.Body.String()

	at := strings.Index(body, line)
	if at < 0 {
		t.Fatal("the disclosure is missing from the all-in page")
	}

	// After the reply, not before it: the last paragraph of the message has
	// to appear earlier in the document than the note about it.
	//
	// Compared escaped, because that is what reaches the page — the copy has
	// apostrophes and html/template renders them as &#39;, so a raw
	// comparison fails on correct output.
	msg := movement.Paragraphs("stance.enthusiast.message")
	var esc strings.Builder
	template.HTMLEscape(&esc, []byte(msg[len(msg)-1]))

	if end := strings.Index(body, esc.String()); end < 0 {
		t.Fatal("the all-in reply is missing its last paragraph")
	} else if end > at {
		t.Error("the disclosure appears before the text it describes")
	}

	for _, other := range []string{"/no-ai", "/uneasy"} {
		if strings.Contains(get(t, h, other).Body.String(), line) {
			t.Errorf("%s carries the all-in page's disclosure", other)
		}
	}
}

// Both fields say what goes in them. A ruled underline with nothing in it
// reads as a rule, not as somewhere to type.
func TestFieldsCarryPlaceholders(t *testing.T) {
	h := newApp(t)
	body := get(t, h, "/uneasy").Body.String()

	for _, id := range []string{"form.email.placeholder", "form.background.placeholder"} {
		if !strings.Contains(body, movement.T(id)) {
			t.Errorf("%s never reaches the form", id)
		}
	}
	if strings.Count(body, "placeholder=") < 2 {
		t.Error("both the address and the background field need a placeholder")
	}
}