/*
 Copyright 2020 Qiniu Cloud (qiniu.com)

 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 qiniu

import (
	"fmt"
	"net/http"
	"net/http/httptest"

	"github.com/julienschmidt/httprouter"
	"github.com/qiniu/api.v7/v7/storage"
	"github.com/sirupsen/logrus"
)

// MockQiniuServer simulate qiniu cloud for testing
func MockQiniuServer(config *Config) (client *Client, router *httprouter.Router, serverURL string, teardown func()) {
	// router is the HTTP request multiplexer used with the test server.
	router = httprouter.New()

	// server is a test HTTP server used to provide mock API responses.
	server := httptest.NewServer(router)

	config.Domain = server.URL
	client = NewClient(config)
	client.BucketManager.Cfg = &storage.Config{
		RsfHost: server.URL,
	}

	logrus.Infof("server url is: %s", server.URL)
	return client, router, server.URL, server.Close
}

// MockRouterAPI mocks qiniu /v2/list API.
// You need to provide a expected profile content.
// count controls the mocks qiniu server to error before 'count' times request.
func MockRouterAPI(router *httprouter.Router, profile string, count int) {
	timeout := count

	// mock rsf /v2/list
	router.HandlerFunc("POST", "/v2/list", func(w http.ResponseWriter, r *http.Request) {
		logrus.Infof("request url is: %s", r.URL.String())

		if timeout > 0 {
			timeout--
			http.Error(w, "not found", http.StatusNotFound)
			return
		}

		fmt.Fprint(w, `{
	"item": {
		"key": "logs/kodo-postsubmits-go-st-coverage/1181915661132107776/finished.json",
		"hash": "FkBhdo9odL2Xjvu-YdwtDIw79fIL",
		"fsize": 51523,
		"mimeType": "application/octet-stream",
		"putTime": 15909068578047958,
		"type": 0,
		"status": 0,
		"md5": "e0bd20e97ea1c6a5e2480192ee3ae884"
	},
	"marker": "",
	"dir": "logs/kodo-postsubmits-go-st-coverage/1181915661132107776/"
}`)
	})

	// mock io get statusJSON file
	router.HandlerFunc("GET", "/logs/kodo-postsubmits-go-st-coverage/1181915661132107776/finished.json", func(w http.ResponseWriter, r *http.Request) {
		fmt.Fprint(w, `{"timestamp":1590750306,"passed":true,"result":"SUCCESS","repo-version":"76433418ea48aae57af028f9cb2fa3735ce08c7d"}`)
	})

	// mock io get remote coverage profile
	router.HandlerFunc("GET", "/logs/kodo-postsubmits-go-st-coverage/1181915661132107776/artifacts/filterd.cov", func(w http.ResponseWriter, r *http.Request) {
		fmt.Fprint(w, profile)
	})

}

// MockRouterListAllAPI mocks qiniu /list API.
// count controls the mocks qiniu server to error before 'count' times request.
func MockRouterListAllAPI(router *httprouter.Router, count int) {
	timeout := count
	// mock rsf /v2/list
	router.HandlerFunc("POST", "/list", func(w http.ResponseWriter, r *http.Request) {
		logrus.Infof("will respond after %v times", timeout)
		logrus.Infof("request url is: %s", r.URL.String())

		if timeout > 0 {
			timeout -= 1
			http.Error(w, "not found", http.StatusNotFound)
			return
		}

		fmt.Fprint(w, `{
	"items": [{
		"key": "logs/kodo-postsubmits-go-st-coverage/1181915661132107776/finished.json",
		"hash": "FkBhdo9odL2Xjvu-YdwtDIw79fIL",
		"fsize": 51523,
		"mimeType": "application/octet-stream",
		"putTime": 15909068578047958,
		"type": 0,
		"status": 0,
		"md5": "e0bd20e97ea1c6a5e2480192ee3ae884"
	}],
	"marker": "",
	"commonPrefixes": ["logs/kodo-postsubmits-go-st-coverage/1181915661132107776/"]
}`)
	})
}

// MockPrivateDomainUrl mocks bucket domain /key, /timeout, /retry API.
// count controls the mocks qiniu server to error before 'count' times request.
func MockPrivateDomainUrl(router *httprouter.Router, count int) {
	timeout1 := count
	timeout2 := count

	router.HandlerFunc("GET", "/key", func(w http.ResponseWriter, r *http.Request) {
		logrus.Infof("request url is: %s", r.URL.String())

		fmt.Fprint(w, "mock server ok")
	})

	router.HandlerFunc("GET", "/timeout", func(w http.ResponseWriter, r *http.Request) {
		logrus.Infof("request url is: %s", r.URL.String())

		if timeout1 > 0 {
			timeout1 -= 1
			http.Error(w, "not found", http.StatusNotFound)
			return
		}

		fmt.Fprint(w, "mock server ok")
	})

	router.HandlerFunc("GET", "/retry", func(w http.ResponseWriter, r *http.Request) {
		logrus.Infof("request url is: %s", r.URL.String())

		if timeout2 > 0 {
			timeout2 -= 1
			if timeout2%2 == 0 {
				http.Error(w, "not found", 571)
			} else {
				http.Error(w, "not found", 573)
			}
			return
		}

		fmt.Fprint(w, "mock server ok")
	})
}