package convert

import (
	"testing"
	"time"
)

func TestFloatFromString(t *testing.T) {
	t.Parallel()
	testString := "1.41421356237"
	expectedOutput := float64(1.41421356237)

	actualOutput, err := FloatFromString(testString)
	if actualOutput != expectedOutput || err != nil {
		t.Errorf("Test failed. Common FloatFromString. Expected '%v'. Actual '%v'. Error: %s",
			expectedOutput, actualOutput, err)
	}

	var testByte []byte
	_, err = FloatFromString(testByte)
	if err == nil {
		t.Error("Test failed. Common FloatFromString. Converted non-string.")
	}

	testString = "   something unconvertible  "
	_, err = FloatFromString(testString)
	if err == nil {
		t.Error("Test failed. Common FloatFromString. Converted invalid syntax.")
	}
}

func TestIntFromString(t *testing.T) {
	t.Parallel()
	testString := "1337"
	expectedOutput := 1337

	actualOutput, err := IntFromString(testString)
	if actualOutput != expectedOutput || err != nil {
		t.Errorf("Test failed. Common IntFromString. Expected '%v'. Actual '%v'. Error: %s",
			expectedOutput, actualOutput, err)
	}

	var testByte []byte
	_, err = IntFromString(testByte)
	if err == nil {
		t.Error("Test failed. Common IntFromString. Converted non-string.")
	}

	testString = "1.41421356237"
	_, err = IntFromString(testString)
	if err == nil {
		t.Error("Test failed. Common IntFromString. Converted invalid syntax.")
	}
}

func TestInt64FromString(t *testing.T) {
	t.Parallel()
	testString := "4398046511104"
	expectedOutput := int64(1 << 42)

	actualOutput, err := Int64FromString(testString)
	if actualOutput != expectedOutput || err != nil {
		t.Errorf("Test failed. Common Int64FromString. Expected '%v'. Actual '%v'. Error: %s",
			expectedOutput, actualOutput, err)
	}

	var testByte []byte
	_, err = Int64FromString(testByte)
	if err == nil {
		t.Error("Test failed. Common Int64FromString. Converted non-string.")
	}

	testString = "1.41421356237"
	_, err = Int64FromString(testString)
	if err == nil {
		t.Error("Test failed. Common Int64FromString. Converted invalid syntax.")
	}
}

func TestTimeFromUnixTimestampFloat(t *testing.T) {
	t.Parallel()
	testTimestamp := float64(1414456320000)
	expectedOutput := time.Date(2014, time.October, 28, 0, 32, 0, 0, time.UTC)

	actualOutput, err := TimeFromUnixTimestampFloat(testTimestamp)
	if actualOutput.UTC().String() != expectedOutput.UTC().String() || err != nil {
		t.Errorf("Test failed. Common TimeFromUnixTimestampFloat. Expected '%v'. Actual '%v'. Error: %s",
			expectedOutput, actualOutput, err)
	}

	testString := "Time"
	_, err = TimeFromUnixTimestampFloat(testString)
	if err == nil {
		t.Error("Test failed. Common TimeFromUnixTimestampFloat. Converted invalid syntax.")
	}
}