// Copyright 2025 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package asymkey

import (
	"strings"
	"testing"

	user_model "code.gitea.io/gitea/models/user"
	"code.gitea.io/gitea/modules/git"
	"code.gitea.io/gitea/modules/setting"
	"code.gitea.io/gitea/modules/test"

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

func TestParseCommitWithSSHSignature(t *testing.T) {
	// Here we only test the TrustedSSHKeys. The complete signing test is in tests/integration/gpg_ssh_git_test.go
	t.Run("TrustedSSHKey", func(t *testing.T) {
		defer test.MockVariableValue(&setting.Repository.Signing.SigningName, "gitea")()
		defer test.MockVariableValue(&setting.Repository.Signing.SigningEmail, "gitea@fake.local")()
		defer test.MockVariableValue(&setting.Repository.Signing.TrustedSSHKeys, []string{"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH6Y4idVaW3E+bLw1uqoAfJD7o5Siu+HqS51E9oQLPE9"})()

		commit, err := git.CommitFromReader(nil, git.Sha1ObjectFormat.EmptyObjectID(), strings.NewReader(`tree 9a93ffa76e8b72bdb6431910b3a506fa2b39f42e
author User Two <user2@example.com> 1749230009 +0200
committer User Two <user2@example.com> 1749230009 +0200
gpgsig -----BEGIN SSH SIGNATURE-----
 U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgfpjiJ1VpbcT5svDW6qgB8kPujl
 KK74epLnUT2hAs8T0AAAADZ2l0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5
 AAAAQDX2t2iHuuLxEWHLJetYXKsgayv3c43r0pJNfAzdLN55Q65pC5M7rG6++gT2bxcpOu
 Y6EXbpLqia9sunEF3+LQY=
 -----END SSH SIGNATURE-----

Initial commit with signed file
`))
		require.NoError(t, err)
		committingUser := &user_model.User{
			ID:    2,
			Name:  "User Two",
			Email: "user2@example.com",
		}
		ret := ParseCommitWithSSHSignature(t.Context(), commit, committingUser)
		require.NotNil(t, ret)
		assert.True(t, ret.Verified)
		assert.False(t, ret.Warning)
		assert.Equal(t, committingUser, ret.CommittingUser)
		if assert.NotNil(t, ret.SigningUser) {
			assert.Equal(t, "gitea", ret.SigningUser.Name)
			assert.Equal(t, "gitea@fake.local", ret.SigningUser.Email)
		}
	})
}