package util_test

import (
	"github.com/p9c/p9/pkg/chaincfg"
	"testing"

	"github.com/p9c/p9/pkg/ecc"
	"github.com/p9c/p9/pkg/util"
)

func TestEncodeDecodeWIF(t *testing.T) {
	priv1, _ := ecc.PrivKeyFromBytes(
		ecc.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, _ := ecc.PrivKeyFromBytes(
		ecc.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, e := util.NewWIF(priv1, &chaincfg.MainNetParams, false)
	if e != nil {
		t.Fatal(e)
	}
	wif2, e := util.NewWIF(priv2, &chaincfg.TestNet3Params, true)
	if e != nil {
		t.Fatal(e)
	}
	tests := []struct {
		wif     *util.WIF
		encoded string
	}{
		{
			wif1,
			"6y6s1rujTdZGyZ1yitF2sFjcr4YALrhky2AwDEKXAGBKGbtc8HA",
		},
		{
			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, e := util.DecodeWIF(test.encoded)
		if e != nil {
			continue
		}
		if got := w.String(); got != test.encoded {
			t.Errorf("NewWIF failed: want '%v', got '%v'", test.wif, got)
		}
	}
}