// Copyright 2026 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package cmd

import (
	"testing"

	"gitea.dev/models/perm"
	"gitea.dev/modules/git"

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

func TestGetAccessMode(t *testing.T) {
	cases := []struct {
		verb, lfsVerb string
		expected      perm.AccessMode
	}{
		{git.CmdVerbUploadPack, "", perm.AccessModeRead},
		{git.CmdVerbUploadArchive, "", perm.AccessModeRead},
		{git.CmdVerbReceivePack, "", perm.AccessModeWrite},
		{git.CmdVerbLfsAuthenticate, git.CmdSubVerbLfsUpload, perm.AccessModeWrite},
		{git.CmdVerbLfsAuthenticate, git.CmdSubVerbLfsDownload, perm.AccessModeRead},
		{git.CmdVerbLfsTransfer, git.CmdSubVerbLfsUpload, perm.AccessModeWrite},
		{git.CmdVerbLfsTransfer, git.CmdSubVerbLfsDownload, perm.AccessModeRead},
	}
	for _, tc := range cases {
		t.Run(tc.verb+"/"+tc.lfsVerb, func(t *testing.T) {
			mode, ok := getAccessMode(tc.verb, tc.lfsVerb)
			assert.True(t, ok)
			assert.Equal(t, tc.expected, mode)
		})
	}
}

// TestGetAccessModeUnknownVerb locks in the invariant that getAccessMode reports
// ok=false for unrecognised verbs and LFS sub-verbs, so runServ rejects them. An
// unknown verb has no valid access mode; if it were treated as AccessModeNone (0)
// it would pass the `userMode < mode` permission check in routers/private/serv.go
// and hand out valid LFS JWTs for any private repository.
func TestGetAccessModeUnknownVerb(t *testing.T) {
	cases := []struct{ verb, lfsVerb string }{
		{git.CmdVerbLfsAuthenticate, ""},
		{git.CmdVerbLfsAuthenticate, "badverb"},
		{git.CmdVerbLfsTransfer, "badverb"},
		{"git-unknown-verb", ""},
	}
	for _, tc := range cases {
		t.Run(tc.verb+"/"+tc.lfsVerb, func(t *testing.T) {
			mode, ok := getAccessMode(tc.verb, tc.lfsVerb)
			assert.False(t, ok)
			assert.Equal(t, perm.AccessModeNone, mode)
		})
	}
}