package main

import (
	"strings"
	"testing"

	occ "git.novox.be/novox/mesh-contracts/operator-and-conversation/go/clients/operatorchannelclient"
	oc "git.novox.be/novox/mesh-contracts/operator-and-conversation/go/seats/operatorchannel"
)

// adr0343 is the ask for ADR 0343 as the router now sends it to this channel (novox/hq issue 639): the knowledge
// base's brief as its title and body, the rest in its note. On 2026-10-13 the same ask arrived as about thirty plain
// lines — every one of its thirteen clauses on a line of its own — and the operator would not read it.
var adr0343 = oc.Message{Handle: "h-343", To: "42",
	Title: "Your agents' memory follows you to every machine",
	Body: "What an agent learns in a project's memory is copied to every machine that runs the agent, so a session " +
		"anywhere starts with it. A file changed on two machines keeps both versions and warns you; secrets in memory files " +
		"are screened, though not perfectly.\n" +
		"• Only memory folders travel: links and files over 128 KiB stay where they are\n" +
		"• A conflict reaches you as a warning that needs you\n" +
		"• A deleted file is marked, and a newer change elsewhere outlives the deletion",
	Note: "Asked by mesh-knowledge at 16:05. Unanswered by tomorrow 15:55: the record stays proposed; nothing of it is in force.\n" +
		"Approve: the record is accepted and its clauses are in force. Decline: the record stays proposed; nothing of it is in force.\n" +
		"ADR 0343, proposed by fix-367@g14; the knowledge base's own review approved it. Fingerprint a59f 361b f60e cb5e d237 a837.\n" +
		"Read its 13 clauses with the knowledge base's get, number 343.",
	Buttons: []oc.Button{{Label: "Approve", Ticket: "t-approve"}, {Label: "Decline", Ticket: "t-decline"}}}

// The ADR 0343 ask fits a phone's glance: a bold headline, the summary and its points, then the rest apart and
// collapsed — at most twelve lines in all, and never a clause.
func TestTheADR0343AskFitsAGlance(t *testing.T) {
	c, f, _, _ := newChannel(t, goodToken)
	subject, body := work(occ.Show, adr0343)
	if err := c.Take(subject, body); err != nil {
		t.Fatal(err)
	}
	sent := f.of("sendMessage")
	if len(sent) != 1 {
		t.Fatalf("sent %d", len(sent))
	}
	html := sent[0].Body["text"].(string)
	t.Logf("as sent:\n%s", html)
	lines := strings.Split(html, "\n")
	if len(lines) > 12 {
		t.Errorf("the ask is %d lines, more than 12:\n%s", len(lines), html)
	}
	if lines[0] != "<b>Your agents&#39; memory follows you to every machine</b>" && lines[0] != "<b>Your agents' memory follows you to every machine</b>" {
		t.Errorf("the headline is not first and bold: %q", lines[0])
	}
	if !strings.HasPrefix(lines[1], "What an agent learns") || strings.Count(html, "\n• ") != 3 {
		t.Errorf("the summary and its three points do not follow the headline:\n%s", html)
	}
	if !strings.Contains(html, "\n\n<blockquote expandable>Asked by mesh-knowledge at 16:05.") || !strings.HasSuffix(html, "number 343.</blockquote>") {
		t.Errorf("the note is not apart and collapsed:\n%s", html)
	}
	for _, lead := range []string{"Only the memory folders are carried", "How it is checked", "13 clause(s)", "**"} {
		if strings.Contains(html, lead) {
			t.Errorf("the ask carries %q", lead)
		}
	}
	if sent[0].Body["parse_mode"] != "HTML" {
		t.Errorf("not sent as HTML: %v", sent[0].Body["parse_mode"])
	}
}

// The note is kept whole when the message is too long: the body is cut first and the cut said; only a note that
// cannot fit beside the title is cut, and that said too (the review of mesh-catalog #278).
func TestALongBodyIsCutBeforeTheNote(t *testing.T) {
	m := oc.Message{Title: "t", Body: strings.Repeat("b", 5000), Note: "+ shares: media=/storage/media\nFingerprint 1234."}
	s := partsOf(m)
	if s.note != m.Note || !strings.HasSuffix(s.body, cutNote) || len([]rune(s.plain())) != MaxLength {
		t.Errorf("note %q, body ends %q, %d characters", s.note, s.body[len(s.body)-20:], len([]rune(s.plain())))
	}
	m.Body, m.Note = "the summary", strings.Repeat("n", 5000)
	s = partsOf(m)
	if !strings.HasSuffix(s.note, cutNote) || !strings.Contains(s.body, "cut here") || len([]rune(s.plain())) != MaxLength {
		t.Errorf("body %q, note ends %q, %d characters", s.body, s.note[len(s.note)-20:], len([]rune(s.plain())))
	}
}

// A '<', '>' or '&' in the note is escaped like any other part: it neither breaks the blockquote nor injects.
func TestTheNoteIsEscaped(t *testing.T) {
	got := partsOf(oc.Message{Title: "t", Note: "Asked by <b>x</b> & y </blockquote><i>"}).html()
	want := "<b>t</b>\n\n<blockquote expandable>Asked by &lt;b&gt;x&lt;/b&gt; &amp; y &lt;/blockquote&gt;&lt;i&gt;</blockquote>"
	if got != want {
		t.Errorf("%q", got)
	}
}

// novox/hq issue 714: an answered ask keeps its question whole, with how it ended below it. Over Telegram's bound,
// the end of the body (the asker's Details) is cut; the headline and the answer are never.
func TestAnAnsweredAskOverTheBoundKeepsItsHeadlineAndItsAnswer(t *testing.T) {
	answer := "You chose Approve at 20:03 on Telegram.\nTold to mesh-knowledge, which acts on it itself."
	m := oc.Message{Handle: "h-714", To: "42", Title: "Fixes reach every machine at once, unchecked",
		Body: "A fix goes to every machine in one step.\n• No machine goes first\n" + strings.Repeat("Details line. ", 400),
		Note: answer}
	s := partsOf(m)
	if n := len([]rune(s.plain())); n > MaxLength {
		t.Fatalf("the answered ask is %d characters, over %d", n, MaxLength)
	}
	if s.title != m.Title || s.note != answer || !strings.HasPrefix(s.body, "A fix goes to every machine in one step.\n• No machine goes first") ||
		!strings.HasSuffix(s.body, cutNote) {
		t.Errorf("the headline, the summary or the answer was cut:\n%s", s.plain())
	}
}