package tools

import (
	"fmt"
	"testing"
	"time"

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

func TestParseDate(t *testing.T) {
	now := time.Now().Local()
	sec := now.Truncate(time.Second)
	today := now.Truncate(day)
	tomorrow := today.Add(day)
	yesterday := today.Add(-day)
	twoMin := now.Add(2 * time.Minute).Truncate(time.Minute)
	twoHour := now.Add(2 * time.Hour).Truncate(time.Hour)
	tests := []struct {
		name string
		exp  time.Time
		err  string
	}{
		{"now", sec, ""},
		{"today", today, ""},
		{"tomorrow", tomorrow, ""},
		{"yesterday", yesterday, ""},
		{"in two minutes", twoMin, ""},
		{"in two hours", twoHour, ""},
		{"min", MinTime, ""},
		{"max", MaxTime, ""},
		{"not a date", now, fmt.Sprintf(`failed to parse "%s": unknown format`, "not a date")},
	}
	for _, tt := range tests {
		t.Run(tt.name, getDateTest(tt.name, tt.exp, tt.err))
	}
}

func getDateTest(in string, exp time.Time, err string) func(t *testing.T) {
	return func(t *testing.T) {
		out, er := ParseDate(in)
		if err != "" {
			assert.ErrorContains(t, er, err)
		} else {
			require.NoError(t, er)

			assert.Equal(t, exp, out)
		}
	}
}