package template

import (
	"testing"
	"time"
)

// dateCompact 是手机端列表的时间格式：同年省略年份，跨年补回年份。
// 这条测试盯的是「年份边界」——同一年的 1 月 1 日也要省略年份，
// 不能因为「看起来像很久以前」就提前补年。
func TestDateCompact(t *testing.T) {
	now := time.Date(2026, 10, 23, 21, 0, 0, 0, time.Local)

	cases := []struct {
		in   time.Time
		want string
	}{
		{time.Date(2026, 9, 9, 1, 18, 3, 0, time.Local), "09-09 01:18"},
		{time.Date(2026, 1, 1, 0, 0, 0, 0, time.Local), "01-01 00:00"},
		{time.Date(2026, 12, 31, 23, 59, 59, 0, time.Local), "12-31 23:59"},
		{time.Date(2025, 9, 5, 4, 45, 22, 0, time.Local), "2025-09-05 04:45"},
		{time.Date(2027, 1, 1, 0, 0, 0, 0, time.Local), "2027-01-01 00:00"},
	}

	for _, c := range cases {
		if got := dateCompact(c.in, now); got != c.want {
			t.Errorf("dateCompact(%s) = %q, want %q", c.in.Format(time.RFC3339), got, c.want)
		}
	}
}