package formatter

import (
	"testing"
	"time"
)

func TestRelative(t *testing.T) {
	t.Parallel()
	now := time.Now()

	tests := []struct {
		name string
		t    time.Time
		want string
	}{
		{"just now", now.Add(-5 * time.Second), "just now"},
		{"1 minute ago", now.Add(-1 * time.Minute), "1 minute ago"},
		{"5 minutes ago", now.Add(-5 * time.Minute), "5 minutes ago"},
		{"1 hour ago", now.Add(-1 * time.Hour), "1 hour ago"},
		{"3 hours ago", now.Add(-3 * time.Hour), "3 hours ago"},
		{"1 day ago", now.Add(-24 * time.Hour), "1 day ago"},
		{"2 days ago", now.Add(-48 * time.Hour), "2 days ago"},
		{"1 month ago", now.Add(-30 * 24 * time.Hour), "1 month ago"},
		{"3 months ago", now.Add(-90 * 24 * time.Hour), "3 months ago"},
		{"1 year ago", now.Add(-365 * 24 * time.Hour), "1 year ago"},
		{"2 years ago", now.Add(-730 * 24 * time.Hour), "2 years ago"},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()
			got := Relative(tt.t)
			if got != tt.want {
				t.Errorf("Relative() = %q, want %q", got, tt.want)
			}
		})
	}
}