package text

import (
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
)

func TestRemoveExcessiveWhitespace(t *testing.T) {
	tests := []struct {
		name  string
		input string
		want  string
	}{
		{
			name:  "nothing to remove",
			input: "one two three",
			want:  "one two three",
		},
		{
			name:  "whitespace b-gone",
			input: "\n  one\n\t  two  three\r\n  ",
			want:  "one two three",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got := RemoveExcessiveWhitespace(tt.input)
			assert.Equal(t, tt.want, got)
		})
	}
}

func TestFuzzyAgoAbbr(t *testing.T) {
	const form = "2006-Jan-02 15:04:05"
	now, _ := time.Parse(form, "2020-Nov-22 14:00:00")
	cases := map[string]string{
		"2020-Nov-22 14:00:00": "0m",
		"2020-Nov-22 13:59:00": "1m",
		"2020-Nov-22 13:30:00": "30m",
		"2020-Nov-22 13:00:00": "1h",
		"2020-Nov-22 02:00:00": "12h",
		"2020-Nov-21 14:00:00": "1d",
		"2020-Nov-07 14:00:00": "15d",
		"2020-Oct-24 14:00:00": "29d",
		"2020-Oct-23 14:00:00": "Oct 23, 2020",
		"2019-Nov-22 14:00:00": "Nov 22, 2019",
	}
	for createdAt, expected := range cases {
		d, err := time.Parse(form, createdAt)
		assert.NoError(t, err)
		fuzzy := FuzzyAgoAbbr(now, d)
		assert.Equal(t, expected, fuzzy)
	}
}