package service

import (
	"fmt"
	"os"
	"runtime"
	"strings"
	"time"

	"be.ems/src/framework/utils/date"
	"be.ems/src/framework/utils/file"
	"be.ems/src/modules/network_element/model"
	"be.ems/src/modules/network_element/repository"
)

// NewNeConfigBackupImpl 网元配置文件备份记录 实例化服务层
var NewNeConfigBackupImpl = &NeConfigBackupImpl{
	neConfigBackupRepository: repository.NewNeConfigBackupImpl,
}

// NeConfigBackupImpl 网元配置文件备份记录 服务层处理
type NeConfigBackupImpl struct {
	// 网元配置文件备份记录
	neConfigBackupRepository repository.INeConfigBackup
}

// SelectNeHostPage 分页查询列表数据
func (r *NeConfigBackupImpl) SelectPage(query map[string]any) map[string]any {
	return r.neConfigBackupRepository.SelectPage(query)
}

// SelectConfigList 查询列表
func (r *NeConfigBackupImpl) SelectList(item model.NeConfigBackup) []model.NeConfigBackup {
	return r.neConfigBackupRepository.SelectList(item)
}

// SelectByIds 通过ID查询
func (r *NeConfigBackupImpl) SelectById(id string) model.NeConfigBackup {
	if id == "" {
		return model.NeConfigBackup{}
	}
	arr := r.neConfigBackupRepository.SelectByIds([]string{id})
	if len(arr) > 0 {
		return arr[0]
	}
	return model.NeConfigBackup{}
}

// Insert 新增信息
func (r *NeConfigBackupImpl) Insert(item model.NeConfigBackup) string {
	return r.neConfigBackupRepository.Insert(item)
}

// Update 修改信息
func (r *NeConfigBackupImpl) Update(item model.NeConfigBackup) int64 {
	return r.neConfigBackupRepository.Update(item)
}

// DeleteByIds 批量删除信息
func (r *NeConfigBackupImpl) DeleteByIds(ids []string) (int64, error) {
	// 检查是否存在
	data := r.neConfigBackupRepository.SelectByIds(ids)
	if len(data) <= 0 {
		return 0, fmt.Errorf("neConfigBackup.noData")
	}

	if len(data) == len(ids) {
		rows := r.neConfigBackupRepository.DeleteByIds(ids)
		return rows, nil
	}
	// 删除信息失败！
	return 0, fmt.Errorf("delete fail")
}

// NeConfigLocalToNe 网元配置文件复制到网元端覆盖
func (r *NeConfigBackupImpl) NeConfigLocalToNe(neInfo model.NeInfo, localFile string) error {
	neTypeLower := strings.ToLower(neInfo.NeType)
	// 网管本地路径
	omcPath := "/usr/local/etc/omc/ne_config"
	if runtime.GOOS == "windows" {
		omcPath = fmt.Sprintf("C:%s", omcPath)
	}
	localDirPath := fmt.Sprintf("%s/%s/%s/backup/tmp_import", omcPath, neTypeLower, neInfo.NeId)
	if err := file.UnZip(localFile, localDirPath); err != nil {
		return fmt.Errorf("unzip err")
	}

	// 网元主机的SSH客户端
	sshClient, err := NewNeInfoImpl.NeRunSSHClient(neInfo.NeType, neInfo.NeId)
	if err != nil {
		return fmt.Errorf("ne info ssh client err")
	}
	defer sshClient.Close()
	// 网元主机的SSH客户端进行文件传输
	sftpClient, err := sshClient.NewClientSFTP()
	if err != nil {
		return fmt.Errorf("ne info sftp client err")
	}
	defer sftpClient.Close()

	// 网元配置端上的临时目录
	neDirTemp := fmt.Sprintf("/tmp/omc/ne_config/%s/%s", neTypeLower, neInfo.NeId)
	sshClient.RunCMD(fmt.Sprintf("sudo rm -rf %s", neDirTemp))
	// 复制到网元端
	if err = sftpClient.CopyDirLocalToRemote(localDirPath, neDirTemp); err != nil {
		return fmt.Errorf("copy config to ne err")
	}
	neEtcPath := fmt.Sprintf("/usr/local/etc/%s", neTypeLower)
	sshClient.RunCMD(fmt.Sprintf("sudo cp -rf %s/* %s && sudo chmod 775 %s/*.yaml", neDirTemp, neEtcPath, neEtcPath))
	_ = os.RemoveAll(localDirPath)                             // 删除本地临时目录
	sshClient.RunCMD(fmt.Sprintf("sudo rm -rf %s", neDirTemp)) // 删除临时目录
	return nil
}

// NeConfigNeToLocal 网元备份文件网元端复制到本地
func (r *NeConfigBackupImpl) NeConfigNeToLocal(neInfo model.NeInfo) (string, error) {
	// 网元主机的SSH客户端
	sshClient, err := NewNeInfoImpl.NeRunSSHClient(neInfo.NeType, neInfo.NeId)
	if err != nil {
		return "", fmt.Errorf("ne info ssh client err")
	}
	defer sshClient.Close()
	// 网元主机的SSH客户端进行文件传输
	sftpClient, err := sshClient.NewClientSFTP()
	if err != nil {
		return "", fmt.Errorf("ne info sftp client err")
	}
	defer sftpClient.Close()

	neTypeLower := strings.ToLower(neInfo.NeType)
	// 网管本地路径
	omcPath := "/usr/local/etc/omc/ne_config"
	if runtime.GOOS == "windows" {
		omcPath = fmt.Sprintf("C:%s", omcPath)
	}
	localDirPath := fmt.Sprintf("%s/%s/%s/backup/tmp_export", omcPath, neTypeLower, neInfo.NeId)
	// 网元配置文件先复制到临时目录
	nePath := fmt.Sprintf("/usr/local/etc/%s/*.yaml", neTypeLower)
	neDirTemp := fmt.Sprintf("/tmp/omc/ne_config/%s/%s", neTypeLower, neInfo.NeId)
	sshClient.RunCMD(fmt.Sprintf("sudo mkdir -p %s && sudo cp -rf %s %s", neDirTemp, nePath, neDirTemp))
	// 复制到本地
	if err = sftpClient.CopyDirRemoteToLocal(neDirTemp, localDirPath); err != nil {
		return "", fmt.Errorf("copy config err")
	}

	// 压缩zip文件名
	zipFileName := fmt.Sprintf("%s-%s-etc-%s.zip", neTypeLower, neInfo.NeId, date.ParseDateToStr(time.Now(), date.YYYYMMDDHHMMSS))
	zipFilePath := fmt.Sprintf("%s/%s/%s/backup/%s", omcPath, neTypeLower, neInfo.NeId, zipFileName)
	if err := file.CompressZipByDir(zipFilePath, localDirPath); err != nil {
		return "", fmt.Errorf("compress zip err")
	}
	_ = os.RemoveAll(localDirPath)                             // 删除本地临时目录
	sshClient.RunCMD(fmt.Sprintf("sudo rm -rf %s", neDirTemp)) // 删除临时目录
	return zipFilePath, nil
}