package sprig

import (
	"testing"

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

func TestUntil(t *testing.T) {
	tests := map[string]string{
		`{{range $i, $e := until 5}}{{$i}}{{$e}}{{end}}`:   "0011223344",
		`{{range $i, $e := until -5}}{{$i}}{{$e}} {{end}}`: "00 1-1 2-2 3-3 4-4 ",
	}
	for tpl, expect := range tests {
		if err := runt(tpl, expect); err != nil {
			t.Error(err)
		}
	}
}
func TestUntilStep(t *testing.T) {
	tests := map[string]string{
		`{{range $i, $e := untilStep 0 5 1}}{{$i}}{{$e}}{{end}}`:     "0011223344",
		`{{range $i, $e := untilStep 3 6 1}}{{$i}}{{$e}}{{end}}`:     "031425",
		`{{range $i, $e := untilStep 0 -10 -2}}{{$i}}{{$e}} {{end}}`: "00 1-2 2-4 3-6 4-8 ",
		`{{range $i, $e := untilStep 3 0 1}}{{$i}}{{$e}}{{end}}`:     "",
		`{{range $i, $e := untilStep 3 99 0}}{{$i}}{{$e}}{{end}}`:    "",
		`{{range $i, $e := untilStep 3 99 -1}}{{$i}}{{$e}}{{end}}`:   "",
		`{{range $i, $e := untilStep 3 0 0}}{{$i}}{{$e}}{{end}}`:     "",
	}
	for tpl, expect := range tests {
		if err := runt(tpl, expect); err != nil {
			t.Error(err)
		}
	}

}
func TestBiggest(t *testing.T) {
	tpl := `{{ biggest 1 2 3 345 5 6 7}}`
	if err := runt(tpl, `345`); err != nil {
		t.Error(err)
	}

	tpl = `{{ max 345}}`
	if err := runt(tpl, `345`); err != nil {
		t.Error(err)
	}
}
func TestMin(t *testing.T) {
	tpl := `{{ min 1 2 3 345 5 6 7}}`
	if err := runt(tpl, `1`); err != nil {
		t.Error(err)
	}

	tpl = `{{ min 345}}`
	if err := runt(tpl, `345`); err != nil {
		t.Error(err)
	}
}

func TestToFloat64(t *testing.T) {
	target := float64(102)
	if target != toFloat64(int8(102)) {
		t.Errorf("Expected 102")
	}
	if target != toFloat64(int(102)) {
		t.Errorf("Expected 102")
	}
	if target != toFloat64(int32(102)) {
		t.Errorf("Expected 102")
	}
	if target != toFloat64(int16(102)) {
		t.Errorf("Expected 102")
	}
	if target != toFloat64(int64(102)) {
		t.Errorf("Expected 102")
	}
	if target != toFloat64("102") {
		t.Errorf("Expected 102")
	}
	if 0 != toFloat64("frankie") {
		t.Errorf("Expected 0")
	}
	if target != toFloat64(uint16(102)) {
		t.Errorf("Expected 102")
	}
	if target != toFloat64(uint64(102)) {
		t.Errorf("Expected 102")
	}
	if 102.1234 != toFloat64(float64(102.1234)) {
		t.Errorf("Expected 102.1234")
	}
	if 1 != toFloat64(true) {
		t.Errorf("Expected 102")
	}
}
func TestToInt64(t *testing.T) {
	target := int64(102)
	if target != toInt64(int8(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt64(int(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt64(int32(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt64(int16(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt64(int64(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt64("102") {
		t.Errorf("Expected 102")
	}
	if 0 != toInt64("frankie") {
		t.Errorf("Expected 0")
	}
	if target != toInt64(uint16(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt64(uint64(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt64(float64(102.1234)) {
		t.Errorf("Expected 102")
	}
	if 1 != toInt64(true) {
		t.Errorf("Expected 102")
	}
}

func TestToInt(t *testing.T) {
	target := int(102)
	if target != toInt(int8(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt(int(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt(int32(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt(int16(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt(int64(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt("102") {
		t.Errorf("Expected 102")
	}
	if 0 != toInt("frankie") {
		t.Errorf("Expected 0")
	}
	if target != toInt(uint16(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt(uint64(102)) {
		t.Errorf("Expected 102")
	}
	if target != toInt(float64(102.1234)) {
		t.Errorf("Expected 102")
	}
	if 1 != toInt(true) {
		t.Errorf("Expected 102")
	}
}

func TestAdd(t *testing.T) {
	tpl := `{{ 3 | add 1 2}}`
	if err := runt(tpl, `6`); err != nil {
		t.Error(err)
	}
}

func TestMul(t *testing.T) {
	tpl := `{{ 1 | mul "2" 3 "4"}}`
	if err := runt(tpl, `24`); err != nil {
		t.Error(err)
	}
}

func TestCeil(t *testing.T){
	assert.Equal(t, 123.0, ceil(123))
	assert.Equal(t, 123.0, ceil("123"))
	assert.Equal(t, 124.0, ceil(123.01))
	assert.Equal(t, 124.0, ceil("123.01"))
}

func TestFloor(t *testing.T){
	assert.Equal(t, 123.0, floor(123))
	assert.Equal(t, 123.0, floor("123"))
	assert.Equal(t, 123.0, floor(123.9999))
	assert.Equal(t, 123.0, floor("123.9999"))
}

func TestRound(t *testing.T){
	assert.Equal(t, 123.556, round(123.5555, 3))
	assert.Equal(t, 123.556, round("123.55555", 3))
	assert.Equal(t, 124.0, round(123.500001, 0))
	assert.Equal(t, 123.0, round(123.49999999, 0))
	assert.Equal(t, 123.23, round(123.2329999, 2, .3))
	assert.Equal(t, 123.24, round(123.233, 2, .3))
}