package handshake

import (
	"bytes"
	"testing"

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

func TestC1S1Read(t *testing.T) {
	c1s1dec := C1S1{
		Time: 435234723,
		Random: append(
			[]byte{
				0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04,
				0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x2d, 0x0a,
				0x37, 0x6f, 0x63, 0x2e, 0xa0, 0x21, 0xa0, 0xa4,
				0x81, 0xb1, 0x50, 0x21, 0x5a, 0x6d, 0x81, 0xad,
				0xf8, 0x44, 0x69, 0x13, 0xcc, 0x02, 0x8c, 0xd4,
				0x64, 0x43, 0xc9, 0x9f, 0xcf, 0xc6, 0x03, 0x04,
			},
			bytes.Repeat([]byte{0x01, 0x02, 0x03, 0x04}, 370)...,
		),
		Digest: []byte{
			0x3f, 0xd0, 0xb1, 0xdf, 0xed, 0x6c, 0x9b, 0xc3,
			0x73, 0x68, 0xe2, 0x47, 0x92, 0x59, 0x32, 0x9a,
			0x3a, 0xc9, 0x1e, 0xeb, 0xfc, 0xad, 0x8e, 0x9d,
			0x4e, 0xf4, 0x30, 0xb1, 0x9a, 0xc9, 0x15, 0x99,
		},
	}

	c1s1enc := append(
		[]byte{
			0x19, 0xf1, 0x27, 0xa3, 0x00, 0x00, 0x00, 0x00,
			0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04,
			0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x2d, 0x0a,
			0x37, 0x6f, 0x63, 0x2e, 0xa0, 0x21, 0xa0, 0xa4,
			0x81, 0xb1, 0x50, 0x21, 0x5a, 0x6d, 0x81, 0xad,
			0xf8, 0x44, 0x69, 0x13, 0xcc, 0x02, 0x8c, 0xd4,
			0x64, 0x43, 0xc9, 0x9f, 0xcf, 0xc6, 0x03, 0x04,
		},
		bytes.Repeat([]byte{0x01, 0x02, 0x03, 0x04}, 370)...,
	)

	var c1s1 C1S1
	err := c1s1.Read((bytes.NewReader(c1s1enc)), true)
	require.NoError(t, err)
	require.Equal(t, c1s1dec, c1s1)
}

func TestC1S1Write(t *testing.T) {
	c1s1dec := C1S1{
		Time:   435234723,
		Random: bytes.Repeat([]byte{0x01, 0x02, 0x03, 0x04}, 382),
		Digest: []byte{
			0x3f, 0xd0, 0xb1, 0xdf, 0xed, 0x6c, 0x9b, 0xc3,
			0x73, 0x68, 0xe2, 0x47, 0x92, 0x59, 0x32, 0x9a,
			0x3a, 0xc9, 0x1e, 0xeb, 0xfc, 0xad, 0x8e, 0x9d,
			0x4e, 0xf4, 0x30, 0xb1, 0x9a, 0xc9, 0x15, 0x99,
		},
	}

	c1s1enc := append(
		[]byte{
			0x19, 0xf1, 0x27, 0xa3, 0x00, 0x00, 0x00, 0x00,
			0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04,
			0x01, 0x02, 0x03, 0x04, 0x01, 0x02, 0x2d, 0x0a,
			0x37, 0x6f, 0x63, 0x2e, 0xa0, 0x21, 0xa0, 0xa4,
			0x81, 0xb1, 0x50, 0x21, 0x5a, 0x6d, 0x81, 0xad,
			0xf8, 0x44, 0x69, 0x13, 0xcc, 0x02, 0x8c, 0xd4,
			0x64, 0x43, 0xc9, 0x9f, 0xcf, 0xc6, 0x03, 0x04,
		},
		bytes.Repeat([]byte{0x01, 0x02, 0x03, 0x04}, 370)...,
	)

	var buf bytes.Buffer
	err := c1s1dec.Write(&buf, true)
	require.NoError(t, err)
	require.Equal(t, c1s1enc, buf.Bytes())
}