/*
Copyright 2021 The Kubernetes Authors.

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 common

import (
	"encoding/json"
	"testing"

	tcerr "k8s.io/autoscaler/cluster-autoscaler/cloudprovider/tencentcloud/tencentcloud-sdk-go/common/errors"
)

func TestCommonRequest_SetActionParameters(t *testing.T) {
	defer func() {
		if e := recover(); e != nil {
			t.Fatalf("panic on SetActionParameters: %+v", e)
		}
	}()
	testCase := []struct {
		data    interface{}
		errCode string
	}{
		{[]byte("{\"a\":\"1\"}"), ""},
		{"{\"a\":\"1\"}", ""},
		{map[string]interface{}{"a": "1"}, ""},
		{[]byte("{\"a\":\"1\""), "ClientError.ParseJsonError"},
		{123, "ClientError.InvalidParameter"},
	}
	cr := &CommonRequest{}
	for _, tc := range testCase {
		err := cr.SetActionParameters(tc.data)
		if err != nil {
			if te, ok := err.(*tcerr.TencentCloudSDKError); ok {
				if te.GetCode() != tc.errCode {
					t.Fatalf("SetActionParameters failed: expected %+v, got %+v", tc.errCode, te.GetCode())
				}
			} else {
				t.Fatalf("SetActionParameters failed: expected %+v, got %T", "TencentCloudSDKError", err)
			}
		} else {
			if tc.errCode != "" {
				t.Fatalf("SetActionParameters failed: expected %+v, got %+v", tc.errCode, "")
			}
		}
	}
}

func TestCommonRequest_JSONMarshal(t *testing.T) {
	crn := NewCommonRequest("cvm", "2017-03-12", "DescribeInstances")
	_ = crn.SetActionParameters(map[string]interface{}{
		"a": 1,
		"b": map[string]interface{}{
			"b1": 2,
			"b2": "b2",
		},
	})

	bytes, err := json.MarshalIndent(crn, "", "\t")
	if err != nil || len(bytes) == 0 {
		t.Fatal(err)
	}
}

func TestCommonRequest_IsOctetStream(t *testing.T) {
	defer func() {
		if e := recover(); e != nil {
			t.Fatalf("panic on IsOctetStream: %+v", e)
		}
	}()
	cr1 := &CommonRequest{
		BaseRequest: &BaseRequest{
			header: map[string]string{
				"Content-Type": "text/plain",
			},
		}}
	cr2 := &CommonRequest{
		BaseRequest: &BaseRequest{
			header: map[string]string{
				"Content-Type": octetStream,
			},
		},
		actionParameters: map[string]interface{}{
			"octetstreambody": []byte{},
		},
	}
	cr3 := &CommonRequest{
		BaseRequest: &BaseRequest{
			header: map[string]string{
				"Content-Type": octetStream,
			},
		},
		actionParameters: map[string]interface{}{
			"OctetStreamBody": []string{},
		},
	}
	cr4 := &CommonRequest{
		BaseRequest: &BaseRequest{
			header: map[string]string{
				"Content-Type": octetStream,
			},
		},
		actionParameters: map[string]interface{}{
			"OctetStreamBody": []byte{},
		},
	}

	testCase := map[*CommonRequest]bool{
		cr1: false,
		cr2: false,
		cr3: false,
		cr4: true,
	}
	for cr, expected := range testCase {
		if val := cr.IsOctetStream(); val != expected {
			t.Fatalf("IsOctetStream failed: expected %+v, got %+v", expected, val)
		}
	}
}

func TestCommonRequest_SetOctetStreamParameters(t *testing.T) {
	defer func() {
		if e := recover(); e != nil {
			t.Fatalf("panic on SetOctetStreamParameters: %+v", e)
		}
	}()
	type param struct {
		header map[string]string
		body   []byte
	}
	p1 := &param{
		header: map[string]string{
			"Content-Type": "text/plain",
		},
		body: []byte{},
	}
	p2 := &param{
		header: map[string]string{
			"Content-Type": octetStream,
		},
		body: []byte{},
	}
	testCase := map[*param]bool{
		p1: true,
		p2: true,
	}
	cr := &CommonRequest{}
	for p, wanted := range testCase {
		cr.SetOctetStreamParameters(p.header, p.body)
		if val := cr.IsOctetStream(); val != wanted {
			t.Fatalf("SetOctetStreamParameters failed: expected %+v, got %+v", wanted, val)
		}
	}
}

func TestCommonRequest_Header(t *testing.T) {
	r := &CommonRequest{}

	const (
		traceKey = "X-TC-TraceId"
		traceVal = "ffe0c072-8a5d-4e17-8887-a8a60252abca"
	)

	if r.GetHeader() != nil {
		t.Fatal("default header MUST be nil")
	}

	r.SetHeader(nil)
	if r.GetHeader() != nil {
		t.Fatal("SetHeader(nil) MUST not replace nil map with empty map")
	}

	r.SetHeader(map[string]string{traceKey: traceVal})
	if r.GetHeader()[traceKey] != traceVal {
		t.Fatal("SetHeader failed")
	}

	r.SetHeader(nil)
	if r.GetHeader() == nil {
		t.Fatal("SetHeader(nil) MUST not overwrite existing header (for backward compatibility)")
	}

	if r.GetHeader()[traceKey] != traceVal {
		t.Fatal("SetHeader(nil) MUST not overwrite existing header (for backward compatibility)")
	}
}