// Copyright (c) 2013, 2014 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.

package btcutil_test

import (
	"testing"

	"github.com/btcsuite/btcd/btcec"
	"github.com/btcsuite/btcd/chaincfg"
	. "github.com/btcsuite/btcutil"
)

func TestEncodeDecodeWIF(t *testing.T) {
	priv1, _ := btcec.PrivKeyFromBytes(btcec.S256(), []byte{
		0x0c, 0x28, 0xfc, 0xa3, 0x86, 0xc7, 0xa2, 0x27,
		0x60, 0x0b, 0x2f, 0xe5, 0x0b, 0x7c, 0xae, 0x11,
		0xec, 0x86, 0xd3, 0xbf, 0x1f, 0xbe, 0x47, 0x1b,
		0xe8, 0x98, 0x27, 0xe1, 0x9d, 0x72, 0xaa, 0x1d})

	priv2, _ := btcec.PrivKeyFromBytes(btcec.S256(), []byte{
		0xdd, 0xa3, 0x5a, 0x14, 0x88, 0xfb, 0x97, 0xb6,
		0xeb, 0x3f, 0xe6, 0xe9, 0xef, 0x2a, 0x25, 0x81,
		0x4e, 0x39, 0x6f, 0xb5, 0xdc, 0x29, 0x5f, 0xe9,
		0x94, 0xb9, 0x67, 0x89, 0xb2, 0x1a, 0x03, 0x98})

	wif1, err := NewWIF(priv1, &chaincfg.MainNetParams, false)
	if err != nil {
		t.Fatal(err)
	}
	wif2, err := NewWIF(priv2, &chaincfg.TestNet3Params, true)
	if err != nil {
		t.Fatal(err)
	}

	tests := []struct {
		wif     *WIF
		encoded string
	}{
		{
			wif1,
			"5HueCGU8rMjxEXxiPuD5BDku4MkFqeZyd4dZ1jvhTVqvbTLvyTJ",
		},
		{
			wif2,
			"cV1Y7ARUr9Yx7BR55nTdnR7ZXNJphZtCCMBTEZBJe1hXt2kB684q",
		},
	}

	for _, test := range tests {
		// Test that encoding the WIF structure matches the expected string.
		s := test.wif.String()
		if s != test.encoded {
			t.Errorf("TestEncodeDecodePrivateKey failed: want '%s', got '%s'",
				test.encoded, s)
			continue
		}

		// Test that decoding the expected string results in the original WIF
		// structure.
		w, err := DecodeWIF(test.encoded)
		if err != nil {
			t.Error(err)
			continue
		}
		if got := w.String(); got != test.encoded {
			t.Errorf("NewWIF failed: want '%v', got '%v'", test.wif, got)
		}
	}
}