package main

import (
	"encoding/xml"
	"fmt"
	"os"
	"sort"
	"strconv"
	"strings"
	"time"

	cmschema "ems.agt/crontask/cm/schema"
	"ems.agt/lib/global"
	"ems.agt/lib/log"

	"gopkg.in/yaml.v3"
)

const (
	// Header is a generic XML header suitable for use with the output of Marshal.
	// This is not automatically added to any output of this package,
	// it is provided as a convenience.
	Header = `<?xml version="1.0" encoding="UTF-8"?>` + "\n"
)

const (
	AdminStateLocked       = "Locked"
	AdminStateUnlocked     = "Unlocked"
	AdminStateShuttingdown = "ShuttingDown"
	OperationStateDisabled = "Disabled"
	OperationStateEnabled  = "Enabled"
)

func (t *TaskFunc) GenCmXmlFile(uri, params, body string) {
	log.Debug("GenCmXmlFile processing ...")
	for _, neType := range neTypes {
		t.GenNFXmlFile(neType)
	}
}

func (t *TaskFunc) ReadCmYaml(cmfile string) (map[string]interface{}, error) {
	log.Debug("cmfile:", cmfile)
	file, err := os.ReadFile(cmfile)
	if err != nil {
		log.Error(err)
		return nil, err
	}
	log.Debug("file:", file)
	resultMap := make(map[string]interface{})
	err = yaml.Unmarshal(file, resultMap)
	if err != nil {
		log.Error(err)
		return nil, err
	}

	log.Debug("resultMap:", resultMap)
	return resultMap, nil
}

func (t *TaskFunc) GenNFXmlFile(neType string) error {
	var nes []NeInfo
	_, err := XormGetNeInfoByType(neType, &nes)
	if err != nil {
		log.Error("Failed to get all ne info:", err)
		return err
	}

	cmfile := fmt.Sprintf("%s/cm-%s.yaml", yamlConfig.NBI.CM.CfgFileDir, strings.ToLower(neType))

	resultMap, _ := t.ReadCmYaml(cmfile)

	ti := time.Now()
	timestamp := ti.Format("2006-01-02 15:04:05")
	timefile := ti.Format("20060102150405")
	date := ti.Format("20060102")
	_, offset := ti.Zone()
	var tzOffset string
	if offset >= 0 {
		tzOffset = "UTC+" + strconv.Itoa(offset/3600)
	} else {
		tzOffset = "UTC" + strconv.Itoa(offset/3600)
	}

	nrmFile := new(cmschema.DataFile)

	nrmFile.FileHeader = cmschema.FileHeader{
		TimeStamp:   timestamp,
		TimeZone:    tzOffset,
		VendorName:  "RJ",
		ElementType: neType,
		CmVersion:   global.Version,
	}

	nrmFile.XsiAttr = "http://www.w3.org/2001/XMLSchema-instance"
	nrmFile.XsiLoc = "file:///usr/loal/omc/etc/schema/cm-schema.xsd"

	for k, e := range resultMap {
		objects := cmschema.Objects{ObjectType: k}

		sortResult := make(map[string]string)
		keys := make([]string, 0)
		for key, value := range e.(map[string]interface{}) {
			sortResult[key] = fmt.Sprintf("%v", value)
			keys = append(keys, key)
		}

		sort.Strings(keys)

		for s, ne := range nes {
			rmUID := fmt.Sprintf("01000HX%sBJ0D0%d", neType, s+1)
			vmId := fmt.Sprintf("kylin10.0-00%d-%s", s+1, neType)
			vnfInstanceID := fmt.Sprintf("2%xd55b4-%d018-41f4-af%d5-28b%d828788", s+10, s+6, s+4, s+3)
			object := cmschema.Object{RmUIDAttr: rmUID,
				DnAttr:        "DC=www.ruijie.com.cn,SubNetwork=10001,SubNetwork=114214,ManagedElement=325",
				UserLabelAttr: ne.NeName, PVFlagAttr: ne.PvFlag, VMIDAttr: vmId, VNFInstanceIDAttr: vnfInstanceID}

			i := 1
			for _, p := range keys {
				if s == 0 {
					objects.FieldName.N = append(objects.FieldName.N, cmschema.N{IAttr: i, Value: p})
				}
				var v string
				switch p {
				case "Id":
					v = ne.NeId
				case "UserLabel":
					v = ne.NeName
				case "VendorName":
					v = "RJ"
				case "SwVersion":
					v = global.Version
				case "PatchInfo":
					v = "-"
				case "AdministrativeState":
					v = AdminStateUnlocked
				case "OperationalState":
					v = OperationStateEnabled
				case "VnfInstanceId":
					v = vnfInstanceID
				default:
					if sortResult[p] == "" {
						v = "-"
					} else {
						v = fmt.Sprintf("%s", sortResult[p])
					}
				}
				object.V = append(object.V, cmschema.V{IAttr: i, Value: v})
				i++
			}
			objects.FieldValue.Object = append(objects.FieldValue.Object, object)
		}
		nrmFile.Objects = append(nrmFile.Objects, objects)
	}

	folderPath := global.CreateDir(date, yamlConfig.NBI.CM.XmlFileDir)
	x, _ := xml.MarshalIndent(nrmFile, "", "	")
	x = append([]byte(xml.Header), x...)
	xmlfile := fmt.Sprintf("%s/CM-HX-%s-%s-%s.xml", folderPath, neType, global.Version, timefile)
	err = os.WriteFile(xmlfile, x, 0664)
	if err != nil {
		log.Error("Failed to write xml file:", err)
		return err
	}
	return nil
}