package templates

import (
	"strings"
	"testing"
	"time"

	"github.com/tamakyi/TamaBox/internal/conf"
)

// 公告文案要按访客语言取：header 里传的是 .LangCode，
// 接错了就是「英文界面看到中文公告」或者干脆整块不渲染。
func TestAnnouncementRenderedPerLanguage(t *testing.T) {
	old := conf.Announcement
	t.Cleanup(func() { conf.Announcement = old })

	conf.Announcement.ContentZhCN = "简中公告"
	conf.Announcement.ContentEn = "English notice"

	cases := []struct {
		lang    string
		want    string
		notWant string
	}{
		{"zh-CN", "简中公告", "English notice"},
		{"en", "English notice", "简中公告"},
	}
	for _, c := range cases {
		t.Run(c.lang, func(t *testing.T) {
			data := publicBaseData()
			data["LangCode"] = c.lang
			out, err := renderToString(t, "question/list", data)
			if err != nil {
				t.Fatalf("render: %v", err)
			}
			if !strings.Contains(out, c.want) {
				t.Fatalf("%s 界面应显示 %q", c.lang, c.want)
			}
			if strings.Contains(out, c.notWant) {
				t.Fatalf("%s 界面不应显示 %q", c.lang, c.notWant)
			}
		})
	}
}

// 窗口外整块不渲染：不能先出 HTML 再靠 CSS 藏，否则会留下空白占位。
func TestAnnouncementHiddenOutsideWindow(t *testing.T) {
	old := conf.Announcement
	t.Cleanup(func() { conf.Announcement = old })

	conf.Announcement.ContentZhCN = "简中公告"
	conf.Announcement.StartAt = time.Now().Add(time.Hour)

	data := publicBaseData()
	out, err := renderToString(t, "question/list", data)
	if err != nil {
		t.Fatalf("render: %v", err)
	}
	if strings.Contains(out, "tb-announce") {
		t.Fatal("未到展示时间时不应渲染公告块")
	}
}