/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 config

import (
	"path/filepath"
	"testing"
)

import (
	"github.com/stretchr/testify/assert"
	"go.uber.org/atomic"
)

import (
	"github.com/apache/dubbo-go/cluster/cluster_impl"
	"github.com/apache/dubbo-go/common"
	"github.com/apache/dubbo-go/common/config"
	"github.com/apache/dubbo-go/common/constant"
	"github.com/apache/dubbo-go/common/extension"
	"github.com/apache/dubbo-go/common/proxy/proxy_factory"
	"github.com/apache/dubbo-go/config_center"
)

const mockConsumerConfigPath = "./testdata/consumer_config.yml"
const mockProviderConfigPath = "./testdata/provider_config.yml"

func TestConfigLoader(t *testing.T) {
	conPath, err := filepath.Abs(mockConsumerConfigPath)
	assert.NoError(t, err)
	proPath, err := filepath.Abs(mockProviderConfigPath)
	assert.NoError(t, err)

	assert.Nil(t, consumerConfig)
	assert.Equal(t, ConsumerConfig{}, GetConsumerConfig())
	assert.Nil(t, providerConfig)
	assert.Equal(t, ProviderConfig{}, GetProviderConfig())

	err = ConsumerInit(conPath)
	assert.NoError(t, err)
	err = ProviderInit(proPath)
	assert.NoError(t, err)

	assert.NotNil(t, consumerConfig)
	assert.NotEqual(t, ConsumerConfig{}, GetConsumerConfig())
	assert.NotNil(t, providerConfig)
	assert.NotEqual(t, ProviderConfig{}, GetProviderConfig())
	assert.Equal(t, "soa.com.ikurento.user.UserProvider", GetConsumerConfig().References["UserProvider"].Params["serviceid"])
}

func TestLoad(t *testing.T) {
	doInitConsumer()
	doInitProvider()

	ms := &MockService{}
	SetConsumerService(ms)
	SetProviderService(ms)

	extension.SetProtocol("registry", GetProtocol)
	extension.SetCluster("registryAware", cluster_impl.NewRegistryAwareCluster)
	extension.SetProxyFactory("default", proxy_factory.NewDefaultProxyFactory)

	Load()

	assert.Equal(t, ms, GetRPCService(ms.Reference()))
	ms2 := &struct {
		MockService
	}{}
	RPCService(ms2)
	assert.NotEqual(t, ms2, GetRPCService(ms2.Reference()))

	conServices = map[string]common.RPCService{}
	proServices = map[string]common.RPCService{}
	err := common.ServiceMap.UnRegister("com.MockService", "mock", "MockService")
	assert.Nil(t, err)
	consumerConfig = nil
	providerConfig = nil
}

func TestLoadWithSingleReg(t *testing.T) {
	doInitConsumerWithSingleRegistry()
	mockInitProviderWithSingleRegistry()

	ms := &MockService{}
	SetConsumerService(ms)
	SetProviderService(ms)

	extension.SetProtocol("registry", GetProtocol)
	extension.SetCluster("registryAware", cluster_impl.NewRegistryAwareCluster)
	extension.SetProxyFactory("default", proxy_factory.NewDefaultProxyFactory)

	Load()

	assert.Equal(t, ms, GetRPCService(ms.Reference()))
	ms2 := &struct {
		MockService
	}{}
	RPCService(ms2)
	assert.NotEqual(t, ms2, GetRPCService(ms2.Reference()))

	conServices = map[string]common.RPCService{}
	proServices = map[string]common.RPCService{}
	common.ServiceMap.UnRegister("com.MockService", "mock", "MockService")
	consumerConfig = nil
	providerConfig = nil
}

func TestWithNoRegLoad(t *testing.T) {
	doInitConsumer()
	doInitProvider()
	providerConfig.Services["MockService"].Registry = ""
	consumerConfig.References["MockService"].Registry = ""
	ms := &MockService{}
	SetConsumerService(ms)
	SetProviderService(ms)

	extension.SetProtocol("registry", GetProtocol)
	extension.SetCluster("registryAware", cluster_impl.NewRegistryAwareCluster)
	extension.SetProxyFactory("default", proxy_factory.NewDefaultProxyFactory)

	Load()

	assert.Equal(t, ms, GetRPCService(ms.Reference()))
	ms2 := &struct {
		MockService
	}{}
	RPCService(ms2)
	assert.NotEqual(t, ms2, GetRPCService(ms2.Reference()))

	conServices = map[string]common.RPCService{}
	proServices = map[string]common.RPCService{}
	common.ServiceMap.UnRegister("com.MockService", "mock", "MockService")
	consumerConfig = nil
	providerConfig = nil
}

func TestConfigLoaderWithConfigCenter(t *testing.T) {
	extension.SetConfigCenterFactory("mock", func() config_center.DynamicConfigurationFactory {
		return &config_center.MockDynamicConfigurationFactory{}
	})

	conPath, err := filepath.Abs("./testdata/consumer_config_with_configcenter.yml")
	assert.NoError(t, err)
	proPath, err := filepath.Abs(mockProviderConfigPath)
	assert.NoError(t, err)

	assert.Nil(t, consumerConfig)
	assert.Equal(t, ConsumerConfig{}, GetConsumerConfig())
	assert.Nil(t, providerConfig)
	assert.Equal(t, ProviderConfig{}, GetProviderConfig())

	err = ConsumerInit(conPath)
	configCenterRefreshConsumer()
	assert.NoError(t, err)
	err = ProviderInit(proPath)
	configCenterRefreshProvider()
	assert.NoError(t, err)

	assert.NotNil(t, consumerConfig)
	assert.NotEqual(t, ConsumerConfig{}, GetConsumerConfig())
	assert.NotNil(t, providerConfig)
	assert.NotEqual(t, ProviderConfig{}, GetProviderConfig())

	assert.Equal(t, "BDTService", consumerConfig.ApplicationConfig.Name)
	assert.Equal(t, "127.0.0.1:2181", consumerConfig.Registries["hangzhouzk"].Address)

}

func TestConfigLoaderWithConfigCenterSingleRegistry(t *testing.T) {
	consumerConfig = nil
	providerConfig = nil
	config.NewEnvInstance()
	extension.SetConfigCenterFactory("mock", func() config_center.DynamicConfigurationFactory {
		return &config_center.MockDynamicConfigurationFactory{Content: `
	dubbo.consumer.request_timeout=5s
	dubbo.consumer.connect_timeout=5s
	dubbo.application.organization=ikurento.com
	dubbo.application.name=BDTService
	dubbo.application.module=dubbogo user-info server
	dubbo.application.version=0.0.1
	dubbo.application.owner=ZX
	dubbo.application.environment=dev
	dubbo.registry.address=mock://127.0.0.1:2182
	dubbo.service.com.ikurento.user.UserProvider.protocol=dubbo
	dubbo.service.com.ikurento.user.UserProvider.interface=com.ikurento.user.UserProvider
	dubbo.service.com.ikurento.user.UserProvider.loadbalance=random
	dubbo.service.com.ikurento.user.UserProvider.warmup=100
	dubbo.service.com.ikurento.user.UserProvider.cluster=failover
	dubbo.protocols.jsonrpc1.name=jsonrpc
	dubbo.protocols.jsonrpc1.ip=127.0.0.1
	dubbo.protocols.jsonrpc1.port=20001
`}
	})

	conPath, err := filepath.Abs("./testdata/consumer_config_with_configcenter.yml")
	assert.NoError(t, err)
	proPath, err := filepath.Abs(mockProviderConfigPath)
	assert.NoError(t, err)

	assert.Nil(t, consumerConfig)
	assert.Equal(t, ConsumerConfig{}, GetConsumerConfig())
	assert.Nil(t, providerConfig)
	assert.Equal(t, ProviderConfig{}, GetProviderConfig())

	err = ConsumerInit(conPath)
	checkApplicationName(consumerConfig.ApplicationConfig)
	configCenterRefreshConsumer()
	checkRegistries(consumerConfig.Registries, consumerConfig.Registry)
	assert.NoError(t, err)
	err = ProviderInit(proPath)
	checkApplicationName(providerConfig.ApplicationConfig)
	configCenterRefreshProvider()
	checkRegistries(providerConfig.Registries, providerConfig.Registry)
	assert.NoError(t, err)

	assert.NotNil(t, consumerConfig)
	assert.NotEqual(t, ConsumerConfig{}, GetConsumerConfig())
	assert.NotNil(t, providerConfig)
	assert.NotEqual(t, ProviderConfig{}, GetProviderConfig())

	assert.Equal(t, "BDTService", consumerConfig.ApplicationConfig.Name)
	assert.Equal(t, "mock://127.0.0.1:2182", consumerConfig.Registries[constant.DEFAULT_KEY].Address)

}

func TestGetBaseConfig(t *testing.T) {
	bc := GetBaseConfig()
	assert.NotNil(t, bc)
	_, found := bc.GetRemoteConfig("mock")
	assert.False(t, found)
}

// mockInitProviderWithSingleRegistry will init a mocked providerConfig
func mockInitProviderWithSingleRegistry() {
	providerConfig = &ProviderConfig{
		BaseConfig: BaseConfig{
			ApplicationConfig: &ApplicationConfig{
				Organization: "dubbo_org",
				Name:         "dubbo",
				Module:       "module",
				Version:      "1.0.0",
				Owner:        "dubbo",
				Environment:  "test"},
		},

		Registry: &RegistryConfig{
			Address:  "mock://127.0.0.1:2181",
			Username: "user1",
			Password: "pwd1",
		},
		Registries: map[string]*RegistryConfig{},

		Services: map[string]*ServiceConfig{
			"MockService": {
				InterfaceName: "com.MockService",
				Protocol:      "mock",
				Cluster:       "failover",
				Loadbalance:   "random",
				Retries:       "3",
				Group:         "huadong_idc",
				Version:       "1.0.0",
				Methods: []*MethodConfig{
					{
						Name:        "GetUser",
						Retries:     "2",
						Loadbalance: "random",
						Weight:      200,
					},
					{
						Name:        "GetUser1",
						Retries:     "2",
						Loadbalance: "random",
						Weight:      200,
					},
				},
				exported: new(atomic.Bool),
			},
		},
		Protocols: map[string]*ProtocolConfig{
			"mock": {
				Name: "mock",
				Ip:   "127.0.0.1",
				Port: "20000",
			},
		},
	}
}