package web

import (
	"html"
	"net/http/httptest"
	"net/url"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

// v0.271.0 — the per-box switch for AUTOMATIC app updates (`09` §3 decision 12: ON by default) on the
// settings page, in both languages, through the REAL router, handler and template; and the saved choice
// read back from settings.json's accessor the leg reads.
//
// COMPANION RED-PROOF (REPORT.md): make GetAppUpdateUnattended return false for an absent key — the
// first assertion fails at "a box that never saved the switch must show it ON".
func TestAppUpdateSwitch_DefaultOnAndSaved(t *testing.T) {
	s := testPageServer(t)
	hu := html.UnescapeString(getPage(t, s, "/settings").Body.String())
	if !strings.Contains(hu, `data-app-update-unattended="true"`) || !strings.Contains(hu, "checked data-app-update-unattended") {
		t.Fatal("a box that never saved the switch must show it ON (decision 12)")
	}
	if !strings.Contains(hu, "Alkalmazások automatikus frissítése") || !strings.Contains(hu, "kipróbált lépéssel") {
		t.Error("the Hungarian page must carry the card's title and its one sentence")
	}
	en := html.UnescapeString(getPage(t, s, "/settings?lang=en").Body.String())
	if !strings.Contains(en, "Automatic app updates") || !strings.Contains(en, "only with a tested step") {
		t.Error("the English page must carry the card's title and its one sentence")
	}
	if strings.Contains(en, "kipróbált lépéssel") {
		t.Error("the Hungarian sentence must be GONE from the English page")
	}

	// OFF: an unchecked box posts no field
	rec := postForm(t, s, "/settings/app-update", url.Values{})
	if rec.Code != 200 {
		t.Fatalf("POST off = %d", rec.Code)
	}
	if s.settings.GetAppUpdateUnattended() {
		t.Fatal("saving with the box unchecked must turn the switch OFF")
	}
	body := html.UnescapeString(rec.Body.String())
	if !strings.Contains(body, "kikapcsolva") || !strings.Contains(body, `data-app-update-unattended="false"`) {
		t.Error("the page after saving OFF must say so and show the box unchecked")
	}
	// ON again
	postForm(t, s, "/settings/app-update", url.Values{"app_update_unattended": {"on"}})
	if !s.settings.GetAppUpdateUnattended() {
		t.Fatal("saving with the box checked must turn the switch back ON")
	}
}

// TestAutoUpdateLine_PageSaysItOnce — a successful automatic step is told on the app page only, in the
// request's language, and only while the app still runs what that step installed.
//
// COMPANION RED-PROOF (REPORT.md): drop the AutoUpdateLine block from appDetailHandler — this fails at
// "the English page must carry the automatic-update line".
func TestAutoUpdateLine_PageSaysItOnce(t *testing.T) {
	s, _ := credsHarness(t)
	sd := filepath.Join(s.cfg.Paths.StacksDir, "crafty")
	write := func(pin string) {
		app := "deployed: true\npinned_images:\n    web: " + pin + "\nlast_auto_update:\n    at: \"2026-09-25T02:21:00Z\"\n    outcome: done\n    to:\n        web: crafty:2.0.0\n"
		if err := os.WriteFile(filepath.Join(sd, "app.yaml"), []byte(app), 0o644); err != nil {
			t.Fatal(err)
		}
		_ = s.stackMgr.ScanStacks()
	}
	s.loadTemplates()
	render := func(lang string) string {
		rr := httptest.NewRecorder()
		s.appDetailHandler(rr, httptest.NewRequest("GET", "/apps/crafty?lang="+lang, nil), "crafty")
		return html.UnescapeString(rr.Body.String())
	}
	write("crafty:2.0.0")
	en, hu := render("en"), render("hu")
	const enLine, huLine = "Automatic update at", "Automatikus frissítés"
	if !strings.Contains(en, enLine) || !strings.Contains(en, "— done.") {
		t.Fatalf("the English page must carry the automatic-update line")
	}
	if !strings.Contains(hu, huLine+" ") || !strings.Contains(hu, "— sikeres.") || strings.Contains(hu, enLine) {
		t.Fatalf("the Hungarian page must carry its own line and not the English one")
	}
	if !strings.Contains(hu, `data-auto-update="done"`) {
		t.Error("the line must render in its own marked alert")
	}
	// a later manual update moved the pin: the line is history and goes
	write("crafty:2.1.0")
	if strings.Contains(render("en"), enLine) {
		t.Error("the line must go once the app no longer runs what the automatic step installed")
	}
}