/*
 * 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 v1_test

import (
	"bytes"
	"encoding/json"
	"github.com/apache/servicecomb-kie/pkg/model"
	"github.com/apache/servicecomb-kie/server/config"
	handler2 "github.com/apache/servicecomb-kie/server/handler"
	"github.com/apache/servicecomb-kie/server/pubsub"
	v1 "github.com/apache/servicecomb-kie/server/resource/v1"
	"github.com/apache/servicecomb-kie/server/service"
	"github.com/go-chassis/go-chassis/core/common"
	"github.com/go-chassis/go-chassis/core/handler"
	"github.com/go-chassis/go-chassis/server/restful/restfultest"
	log "github.com/go-chassis/paas-lager"
	"github.com/go-mesh/openlogging"
	"github.com/stretchr/testify/assert"
	"io/ioutil"
	"net/http"
	"net/http/httptest"
	"testing"

	_ "github.com/apache/servicecomb-kie/server/service/mongo"
)

func init() {
	log.Init(log.Config{
		Writers:       []string{"stdout"},
		LoggerLevel:   "DEBUG",
		LogFormatText: false,
	})
	logger := log.NewLogger("ut")
	openlogging.SetLogger(logger)
	//for UT
	config.Configurations = &config.Config{
		DB:             config.DB{},
		ListenPeerAddr: "127.0.0.1:4000",
		AdvertiseAddr:  "127.0.0.1:4000",
	}
	config.Configurations.DB.URI = "mongodb://kie:123@127.0.0.1:27017"
	err := service.DBInit()
	if err != nil {
		panic(err)
	}
	pubsub.Init()
	pubsub.Start()
}
func TestKVResource_Put(t *testing.T) {
	t.Run("put kv, label is service", func(t *testing.T) {
		kv := &model.KVDoc{
			Value:  "1s",
			Labels: map[string]string{"service": "utService"},
		}
		j, _ := json.Marshal(kv)
		r, _ := http.NewRequest("PUT", "/v1/test/kie/kv/timeout", bytes.NewBuffer(j))
		noopH := &handler2.NoopAuthHandler{}
		chain, _ := handler.CreateChain(common.Provider, "testchain1", noopH.Name())
		r.Header.Set("Content-Type", "application/json")
		kvr := &v1.KVResource{}
		c, _ := restfultest.New(kvr, chain)
		resp := httptest.NewRecorder()
		c.ServeHTTP(resp, r)

		body, err := ioutil.ReadAll(resp.Body)
		assert.NoError(t, err)
		data := &model.KVDoc{}
		err = json.Unmarshal(body, data)
		assert.NoError(t, err)
		assert.NotEmpty(t, data.ID)
		assert.Equal(t, kv.Value, data.Value)
		assert.Equal(t, kv.Labels, data.Labels)
	})
	t.Run("put kv,label is service and version", func(t *testing.T) {
		kv := &model.KVDoc{
			Value: "1s",
			Labels: map[string]string{"service": "utService",
				"version": "1.0.0"},
		}
		j, _ := json.Marshal(kv)
		r, _ := http.NewRequest("PUT", "/v1/test/kie/kv/timeout", bytes.NewBuffer(j))
		noopH := &handler2.NoopAuthHandler{}
		chain, _ := handler.CreateChain(common.Provider, "testchain1", noopH.Name())
		r.Header.Set("Content-Type", "application/json")
		kvr := &v1.KVResource{}
		c, _ := restfultest.New(kvr, chain)
		resp := httptest.NewRecorder()
		c.ServeHTTP(resp, r)

		body, err := ioutil.ReadAll(resp.Body)
		assert.NoError(t, err)
		data := &model.KVDoc{}
		err = json.Unmarshal(body, data)
		assert.NoError(t, err)
		assert.NotEmpty(t, data.ID)
	})
}
func TestKVResource_List(t *testing.T) {
	t.Run("list kv by service label, should return 2 kvs", func(t *testing.T) {
		r, _ := http.NewRequest("GET", "/v1/test/kie/kv?label=service:utService", nil)
		noopH := &handler2.NoopAuthHandler{}
		chain, _ := handler.CreateChain(common.Provider, "testchain1", noopH.Name())
		r.Header.Set("Content-Type", "application/json")
		kvr := &v1.KVResource{}
		c, err := restfultest.New(kvr, chain)
		assert.NoError(t, err)
		resp := httptest.NewRecorder()
		c.ServeHTTP(resp, r)
		body, err := ioutil.ReadAll(resp.Body)
		assert.NoError(t, err)
		result := &model.KVResponse{}
		err = json.Unmarshal(body, result)
		assert.NoError(t, err)
		assert.Equal(t, 2, len(result.Data))
	})
	t.Run("list kv by service label, exact match,should return 1 kv", func(t *testing.T) {
		r, _ := http.NewRequest("GET", "/v1/test/kie/kv?label=service:utService&match=exact", nil)
		noopH := &handler2.NoopAuthHandler{}
		chain, _ := handler.CreateChain(common.Provider, "testchain1", noopH.Name())
		r.Header.Set("Content-Type", "application/json")
		kvr := &v1.KVResource{}
		c, err := restfultest.New(kvr, chain)
		assert.NoError(t, err)
		resp := httptest.NewRecorder()
		c.ServeHTTP(resp, r)
		body, err := ioutil.ReadAll(resp.Body)
		assert.NoError(t, err)
		result := &model.KVResponse{}
		err = json.Unmarshal(body, result)
		assert.NoError(t, err)
		assert.Equal(t, 1, len(result.Data))
	})

}
func TestKVResource_GetByKey(t *testing.T) {
	t.Run("get one key by label, exact match,should return 1 kv", func(t *testing.T) {
		r, _ := http.NewRequest("GET", "/v1/test/kie/kv/timeout?label=service:utService&match=exact", nil)
		noopH := &handler2.NoopAuthHandler{}
		chain, _ := handler.CreateChain(common.Provider, "testchain1", noopH.Name())
		r.Header.Set("Content-Type", "application/json")
		kvr := &v1.KVResource{}
		c, err := restfultest.New(kvr, chain)
		assert.NoError(t, err)
		resp := httptest.NewRecorder()
		c.ServeHTTP(resp, r)
		body, err := ioutil.ReadAll(resp.Body)
		assert.NoError(t, err)
		result := &model.KVResponse{}
		err = json.Unmarshal(body, result)
		assert.NoError(t, err)
		assert.Equal(t, 1, len(result.Data))
	})
	t.Run("get one key by service label should return 2 kv,delete one", func(t *testing.T) {
		r, _ := http.NewRequest("GET", "/v1/test/kie/kv/timeout?label=service:utService", nil)
		noopH := &handler2.NoopAuthHandler{}
		chain, _ := handler.CreateChain(common.Provider, "testchain1", noopH.Name())
		r.Header.Set("Content-Type", "application/json")
		kvr := &v1.KVResource{}
		c, err := restfultest.New(kvr, chain)
		assert.NoError(t, err)
		resp := httptest.NewRecorder()
		c.ServeHTTP(resp, r)
		body, err := ioutil.ReadAll(resp.Body)
		assert.NoError(t, err)
		result := &model.KVResponse{}
		err = json.Unmarshal(body, result)
		assert.NoError(t, err)
		assert.Equal(t, 2, len(result.Data))

		r2, _ := http.NewRequest("DELETE", "/v1/test/kie/kv?kv_id="+result.Data[0].ID, nil)
		c2, err := restfultest.New(kvr, chain)
		assert.NoError(t, err)
		resp2 := httptest.NewRecorder()
		c2.ServeHTTP(resp2, r2)
		assert.Equal(t, http.StatusNoContent, resp2.Code)

	})
}