// Copyright (C) 2017 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package hidl

import (
	"sync"

	"android/soong/android"
)

func init() {
	android.RegisterModuleType("hidl_package_root", hidlPackageRootFactory)
}

type hidlPackageRoot struct {
	android.ModuleBase

	properties struct {
		// path to this module from root
		Path string
	}
}

func (r *hidlPackageRoot) GenerateAndroidBuildActions(ctx android.ModuleContext) {
}
func (r *hidlPackageRoot) DepsMutator(ctx android.BottomUpMutatorContext) {
}

var packageRootsMutex sync.Mutex
var packageRoots []*hidlPackageRoot

func hidlPackageRootFactory() android.Module {
	r := &hidlPackageRoot{}
	r.AddProperties(&r.properties)
	android.InitAndroidModule(r)

	packageRootsMutex.Lock()
	packageRoots = append(packageRoots, r)
	packageRootsMutex.Unlock()

	return r
}

func lookupPackageRoot(name string) *hidlPackageRoot {
	for _, i := range packageRoots {
		if i.ModuleBase.Name() == name {
			return i
		}
	}
	return nil
}