package home

import (
	"testing"
	"time"

	"github.com/AdguardTeam/golibs/testutil"
	"github.com/stretchr/testify/assert"
)

var testCertChainData = []byte(`-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`)

var testPrivateKeyData = []byte(`-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----`)

func TestValidateCertificates(t *testing.T) {
	t.Run("bad_certificate", func(t *testing.T) {
		status := &tlsConfigStatus{}
		err := validateCertificates(status, []byte("bad cert"), nil, "")
		testutil.AssertErrorMsg(t, "empty certificate", err)
		assert.False(t, status.ValidCert)
		assert.False(t, status.ValidChain)
	})

	t.Run("bad_private_key", func(t *testing.T) {
		status := &tlsConfigStatus{}
		err := validateCertificates(status, nil, []byte("bad priv key"), "")
		testutil.AssertErrorMsg(t, "no valid keys were found", err)
		assert.False(t, status.ValidKey)
	})

	t.Run("valid", func(t *testing.T) {
		status := &tlsConfigStatus{}
		err := validateCertificates(status, testCertChainData, testPrivateKeyData, "")
		assert.Error(t, err)

		notBefore := time.Date(2019, 2, 27, 9, 24, 23, 0, time.UTC)
		notAfter := time.Date(2046, 7, 14, 9, 24, 23, 0, time.UTC)

		assert.True(t, status.ValidCert)
		assert.False(t, status.ValidChain)
		assert.True(t, status.ValidKey)
		assert.Equal(t, "RSA", status.KeyType)
		assert.Equal(t, "CN=AdGuard Home,O=AdGuard Ltd", status.Subject)
		assert.Equal(t, "CN=AdGuard Home,O=AdGuard Ltd", status.Issuer)
		assert.Equal(t, notBefore, status.NotBefore)
		assert.Equal(t, notAfter, status.NotAfter)
		assert.True(t, status.ValidPair)
	})
}