package cmd

import (
	"agent-wdd/cmd/beans"
	"agent-wdd/config"
	"agent-wdd/log"
	"agent-wdd/op"
	"agent-wdd/utils"
	"fmt"
	"runtime"

	"github.com/spf13/cobra"
)

var (
	ubuntuCommonTools = []string{
		"iputils-ping", "net-tools", "dnsutils", "lsof", "curl", "wget", "mtr-tiny", "vim", "htop", "lrzsz",
	}
	centosCommonTools = []string{
		"deltarpm", "net-tools", "iputils", "bind-utils", "lsof", "curl", "wget", "vim", "mtr", "htop",
	}

	dockerLocalInstallPath        = "/root/wdd/docker-amd64-20.10.15.tgz"          // 本地安装docker的文件路径
	dockerComposeLocalInstallPath = "/root/wdd/docker-compose-v2.18.0-linux-amd64" // 本地安装docker compose的文件路径
)

func init() {
	switch runtime.GOARCH {
	case "amd64":
		dockerLocalInstallPath = "/root/wdd/docker-amd64-20.10.15.tgz"                 // 本地安装docker的文件路径
		dockerComposeLocalInstallPath = "/root/wdd/docker-compose-v2.18.0-linux-amd64" // 本地安装docker compose的文件路径
	case "arm64":
		dockerLocalInstallPath = "/root/wdd/docker-arm64-20.10.15.tgz"                 // 本地安装docker的文件路径
		dockerComposeLocalInstallPath = "/root/wdd/docker-compose-v2.18.0-linux-arm64" // 本地安装docker compose的文件路径
	}
}

// 添加base子命令
func addBaseSubcommands(cmd *cobra.Command) {
	// 1.1 docker
	dockerCmd := &cobra.Command{
		Use:   "docker",
		Short: "Docker相关操作",
	}
	addDockerSubcommands(dockerCmd)

	// 1.2 dockercompose
	dockerComposeCmd := &cobra.Command{
		Use:   "dockercompose",
		Short: "Docker Compose相关操作",
	}
	addDockerComposeSubcommands(dockerComposeCmd)

	// 其他base子命令...
	swapCmd := &cobra.Command{
		Use:   "swap",
		Short: "关闭系统的Swap",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("Swap 关闭!")
			// 实现这个函数，能够关闭centos或者ubuntu系统的swap

			// 备份文件存在，pass
			if !utils.FileExistAndNotNull("/etc/fstab_back_wdd_swap") {
				utils.AppendOverwriteContentToFile(
					"/etc/fstab",
					"/etc/fstab_back_wdd_swap",
				)
			}
			// 执行关闭操作
			op.SingleLineCommandExecutor([]string{
				"swapoff",
				"-a",
			})

			op.SingleLineCommandExecutor([]string{
				"sed",
				"-i",
				"/swap/d",
				"/etc/fstab",
			})

			log.Info("Swap 关闭成功!")
		},
	}

	selinuxCmd := &cobra.Command{
		Use:   "selinux",
		Short: "关闭selinux",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("Selinux 关闭!")

			// 如果configCache的OS为空，则收集OS信息
			if config.ConfigCache.Agent.OS.Hostname == "" {
				log.Warning("ConfigCache OS is nil")
				config.ConfigCache.Agent.OS.Gather()
				config.ConfigCache.Agent.OS.SaveConfig()
			}

			os := config.ConfigCache.Agent.OS
			if os.IsUbuntuType {
				log.Info("Ubuntu 系统，跳过关闭selinux！")
				return
			} else {
				op.SingleLineCommandExecutor([]string{
					"setenforce",
					"0",
				})

				// 备份一下/etc/selinux/config
				if !utils.FileExistAndNotNull("/etc/selinux/config_back_wdd_selinux") {
					utils.AppendOverwriteContentToFile(
						"/etc/selinux/config",
						"/etc/selinux/config_back_wdd_selinux",
					)
				}

				// 持久化关闭selinux
				utils.FindAndDeleteContentInFile("SELINUX=enforcing", "/etc/selinux/config")
				utils.FindAndDeleteContentInFile("SELINUX=permissive", "/etc/selinux/config")
				utils.FindAndDeleteContentInFile("SELINUX=disabled", "/etc/selinux/config")
				utils.AppendContentToFile("SELINUX=disabled", "/etc/selinux/config")
			}

			log.Info("Selinux 关闭成功!")
		},
	}

	firewallCmd := &cobra.Command{
		Use:   "firewall",
		Short: "关闭防火墙",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("Firewall 关闭!")

			// 调用systemd关闭firewalld
			op.SystemdDown("firewalld")
			op.SystemdDisable("firewalld")
			// 调用systemd关闭ufw
			op.SystemdDown("ufw")
			op.SystemdDisable("ufw")

			// 清空路由表
			log.Info("清空路由表...")
			op.HardCodeCommandExecutor("iptables -F && iptables -t nat -F && iptables -t mangle -F && iptables -t raw -F")
			op.HardCodeCommandExecutor("ip6tables -F && ip6tables -t nat -F && ip6tables -t mangle -F && ip6tables -t raw -F")

			log.Info("Firewall 关闭成功!")
		},
	}

	sysconfigCmd := &cobra.Command{
		Use:   "sysconfig",
		Short: "修改系统的sysconfig",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("Sysconfig 	修改!")

			// 修改系统的sysconfig
			sysctlConfigFile := "/etc/sysctl.d/wdd-k8s.conf"

			if !utils.AppendOverwriteContentToFile(beans.SysctlConfig, sysctlConfigFile) {
				log.Error("[ModifySysConfigBastion] - error appending sysctl config to sysctl.d !")
				return
			}

			op.SingleLineCommandExecutor([]string{
				"sysctl",
				"-p",
				sysctlConfigFile,
			})

			log.Info("Sysconfig 修改成功!")
		},
	}

	// 通用工具安装
	commonToolsInstall := &cobra.Command{
		Use:   "tools",
		Short: "通用工具安装 利用本机的yum，apt等从网络安装常用的软件",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("Common tool installation!")

			// Whether It can connect to internet
			if config.CanConnectInternet() <= 1 {
				log.Error("服务器无法连接互联网，无法执行tools")
				return
			}

			// package install
			// only support ubuntu(debian) centos(debian openEuler)
			packOperator := op.AgentPackOperator
			packOperator.PackageInit()

			os := config.ConfigCache.Agent.OS
			if os.IsUbuntuType {
				packOperator.Install(ubuntuCommonTools)
			} else {
				packOperator.Install(centosCommonTools)
			}
		},
	}

	sshCmd := &cobra.Command{
		Use:   "ssh",
		Short: "修改ssh配置",
	}
	addSSHSubcommands(sshCmd)

	cmd.AddCommand(
		dockerCmd,
		dockerComposeCmd,
		swapCmd,
		commonToolsInstall,
		selinuxCmd,
		firewallCmd,
		sysconfigCmd,
		sshCmd,
		// 其他命令...
	)
}

func addSSHSubcommands(sshCmd *cobra.Command) {
	keyCmd := &cobra.Command{
		Use:   "key",
		Short: "安装默认的ssh-key",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("安装默认的ssh-key!")

			// 创建.ssh目录
			utils.CreateFolder("/root/.ssh")

			// 检查密钥是否存在
			if utils.FileExistAndNotNull("/root/.ssh/id_ed25519") &&
				utils.FileExistAndNotNull("/root/.ssh/id_ed25519.pub") &&
				utils.FindContentInFile("wdd@cmii.com", "/root/.ssh/authorized_keys") {
				log.Info("SSH密钥已存在，无需重新安装。")
				return
			}

			// 下载标准的私钥和公钥
			if !utils.AppendOverwriteContentToFile(beans.Ed25519PrivateKey, "/root/.ssh/id_ed25519") {
				log.Error("[InstallDefaultSSHKey] - error appending private ssh key to authorized_keys !")
				return
			}
			if !utils.AppendOverwriteContentToFile(beans.Ed25519PublicKey, "/root/.ssh/id_ed25519.pub") {
				log.Error("[InstallDefaultSSHKey] - error appending public ssh key to authorized_keys !")
				return
			}

			// 写入到authorized_keys
			if !utils.AppendFileToFile("/root/.ssh/id_ed25519.pub", "/root/.ssh/authorized_keys") {
				log.Error("[InstallDefaultSSHKey] - error appending ssh key to authorized_keys !")
				return
			}

			// 设置权限
			op.SingleLineCommandExecutor([]string{
				"chmod",
				"600",
				"/root/.ssh/id_ed25519",
			})

			// 检查
			if utils.FindContentInFile("wdd@cmii.com", "/root/.ssh/authorized_keys") {
				log.Info("[InstallDefaultSSHKey] - install success !")
			} else {
				log.Error("[InstallDefaultSSHKey] - authorized_keys don't contain the ssh-pub key !")
			}
		},
	}

	portCmd := &cobra.Command{
		Use:   "port",
		Short: "修改ssh端口",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("修改ssh端口!")

			// 检查参数
			if len(args) > 0 {
				fmt.Printf("modify ssh port to: %s\n", args[0])
			}

			// 没有传递参数，使用默认参数
			port := "22333"
			log.Info("[ModifySSHPort] modify ssh port to: %s", port)

			// 修改ssh端口
			utils.AppendContentToFile(fmt.Sprintf("Port %s", port), "/etc/ssh/sshd_config")

			// 重启ssh服务
			ok, resultLog := op.SystemdRestart("sshd")
			if !ok {
				log.Error("[ModifySSHPort] restart sshd error: %s", resultLog)
				return
			}

			log.Info("[ModifySSHPort] modify ssh port to: %s success!", port)

		},
	}

	configCmd := &cobra.Command{
		Use:   "config",
		Short: "修改ssh配置 为wdd默认配置!",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("修改ssh配置 为wdd默认配置!")

			// 备份文件
			if !utils.FileExistAndNotNull("/etc/ssh/sshd_config_back_wdd_ssh") {
				utils.AppendOverwriteContentToFile("/etc/ssh/sshd_config", "/etc/ssh/sshd_config_back_wdd_ssh")
			}

			// 修改ssh配置
			utils.AppendContentToFile(beans.DefaultSshdConfig, "/etc/ssh/sshd_config")

			// 重启ssh服务
			ok, resultLog := op.SystemdRestart("sshd")
			if !ok {
				log.Error("sshd 重启失败: %s", resultLog)
				return
			}

			log.Info("[sshd配置修改] 成功!")

		},
	}

	sshCmd.AddCommand(keyCmd, portCmd, configCmd)
}

// 添加docker子命令
func addDockerSubcommands(cmd *cobra.Command) {
	onlineCmd := &cobra.Command{
		Use:   "online [version]",
		Short: "网络安装Docker",
		Args:  cobra.ExactArgs(1),
		Run: func(cmd *cobra.Command, args []string) {

			// 检查参数
			if len(args) > 0 {
				fmt.Printf("Installing Docker version: %s\n", args[0])
			}

			// 没有传递参数，使用默认参数
			version := "20.10.15"
			log.Info("Installing Docker version: %s", version)

			// 安装docker
			packOperator := op.AgentPackOperator
			packOperator.PackageInit()
			// ubuntu 和 centos的安装命令是不是一样的
			packOperator.Install([]string{"docker-ce", "docker-ce-cli", "containerd.io", "docker-buildx-plugin", "docker-compose-plugin"})

		},
	}

	removeCmd := &cobra.Command{
		Use:   "remove",
		Short: "卸载Docker",
		Run: func(cmd *cobra.Command, args []string) {
			fmt.Println("Removing Docker...")
		},
	}

	localCmd := &cobra.Command{
		Use:   "local [path]",
		Short: "本地安装Docker",
		Args:  cobra.ExactArgs(1),
		Run: func(cmd *cobra.Command, args []string) {

			log.Info("Installing Docker from local file: %s", dockerLocalInstallPath)

			exist := utils.FileExistAndNotNull(dockerLocalInstallPath)
			if !exist {
				log.Error("Docker local install file not found: %s", dockerLocalInstallPath)
				return
			}

			// 解压文件
			utils.UnzipFile(dockerLocalInstallPath, "/root/wdd")

			// 安装docker
			err := utils.MoveFolerToAnother("/root/wdd/docker", "/usr/bin")
			if err != nil {
				log.Error("Failed to move Docker binaries: %s", err.Error())
				return
			}

			// 设置权限
			chmodCmd := []string{"chmod", "777", "-R", "/usr/bin/docker*"}
			ok, resultLog := op.SingleLineCommandExecutor(chmodCmd)
			if !ok {
				log.Error("Failed to set permissions for Docker binaries: %s", resultLog)
				return
			}

			// 配置并启动Docker服务
			// systemd daemonize docker
			utils.AppendOverwriteContentToFile(beans.ContainerdDaemonService, beans.ContainerdServiceFile)
			if !utils.FileExistAndNotNull(beans.ContainerdServiceFile) {
				log.Error("docker deamon file not exists !")
			}
			utils.AppendOverwriteContentToFile(beans.DockerSocketDaemonService, beans.DockerSocketFile)
			if !utils.FileExistAndNotNull(beans.DockerSocketFile) {
				log.Error("docker deamon file not exists !")
			}
			utils.AppendOverwriteContentToFile(beans.DockerDaemonService, beans.DockerServiceFile)
			if !utils.FileExistAndNotNull(beans.DockerServiceFile) {
				log.Error("docker deamon file not exists !")
			}
			log.Info("docker dameon file append success !")

			ok, resultLog = op.SystemdDaemonReload()
			if !ok {
				log.Error("daemon reload error ! %s", resultLog)
				return
			}

			op.SingleLineCommandExecutor([]string{"systemctl", "unmask", "containerd"})
			op.SingleLineCommandExecutor([]string{"systemctl", "unmask", "docker.socket"})
			op.SingleLineCommandExecutor([]string{"systemctl", "unmask", "docker"})

			op.SingleLineCommandExecutor([]string{"groupadd", "docker"})
			op.SingleLineCommandExecutor([]string{"usermod", "-aG", "docker", "root"})
			op.SingleLineCommandExecutor([]string{"newgrp", "docker"})

			systemdUp, resultLog := op.SystemdUp("containerd")
			if !systemdUp {
				log.Error("[InstallDockerBastion] - start containerd service error ! %s", resultLog)
				return
			}

			ok, resultLog = op.SystemdUp("docker.socket")
			if !ok {
				log.Error("[InstallDockerBastion] - start docker.socket error ! %s", resultLog)
				return
			}

			ok, resultLog = op.SystemdUp("docker")
			if !ok {
				log.Error("[InstallDockerBastion] - start docker service error ! %s", resultLog)
				return
			}

			log.Info("Docker installed successfully from local file!")
		},
	}

	cmd.AddCommand(onlineCmd, removeCmd, localCmd)
}

func addDockerComposeSubcommands(cmd *cobra.Command) {

	installCmd := &cobra.Command{
		Use:   "online [version]",
		Short: "安装Docker Compose",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("Installing Docker Compose...")

			// 检查参数
			if len(args) > 0 {
				fmt.Printf("Installing Docker Compose version: %s\n", args[0])
			}

			// 默认安装最新版本
			version := "latest"
			if len(args) > 0 {
				version = args[0]
			}

			// 如果是最新版本，则通过GitHub API查询
			if version == "latest" {
				latestVersion, err := op.GetLatestGithubReleaseVersion("docker", "compose")
				if err != nil {
					log.Error("获取Docker Compose最新版本失败: %s", err)
				} else {
					version = latestVersion
					log.Info("获取到Docker Compose最新版本: %s", version)
				}
			}

			log.Info("安装 Docker Compose 版本: %s", version)

			// 检查是否可以连接互联网
			if config.CanConnectInternet() <= 1 {
				log.Error("服务器无法连接互联网，无法在线安装 Docker Compose")
				return
			}

			// 检查 Docker 是否已安装
			dockerExists := op.CommandExistsByPath("docker")
			if !dockerExists {
				log.Error("Docker 未安装，请先安装 Docker")
				return
			}

			// 根据架构选择合适的下载链接
			arch := runtime.GOARCH
			downloadURL := fmt.Sprintf("https://github.com/docker/compose/releases/download/%s/docker-compose-linux-%s", version, arch)

			log.Info("Downloading Docker Compose from: %s", downloadURL)
			// 下载 Docker Compose
			ok, ccc := op.DownloadFile(downloadURL, "/usr/local/bin/docker-compose")
			if !ok {
				log.Error("下载 Docker Compose 失败: %s", ccc)
				return
			}

			// 设置执行权限
			chmodCmd := []string{"chmod", "+x", "/usr/local/bin/docker-compose"}
			ok, resultLog := op.SingleLineCommandExecutor(chmodCmd)
			if !ok {
				log.Error("设置 Docker Compose 权限失败: %s", resultLog)
				return
			}

			// 创建软链接
			linkCmd := []string{"ln", "-sf", "/usr/local/bin/docker-compose", "/usr/bin/docker-compose"}
			op.SingleLineCommandExecutor(linkCmd)

			// 验证安装
			verifyCmd := []string{"docker-compose", "--version"}
			ok, resultLog = op.SingleLineCommandExecutor(verifyCmd)
			if !ok {
				log.Error("Docker Compose 安装验证失败: %s", resultLog)
				return
			}

			log.Info("Docker Compose 安装成功: %s", resultLog)

		},
	}

	removeCmd := &cobra.Command{
		Use:   "remove",
		Short: "卸载Docker Compose",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("Removing Docker Compose...")

			if utils.RemoveFile("/usr/local/bin/docker-compose") {
				log.Info("Docker Compose removed successfully!")
			} else {
				log.Error("Failed to remove Docker Compose!")
			}

		},
	}

	localCmd := &cobra.Command{
		Use:   "local [path]",
		Short: "本地安装Docker Compose",
		Args:  cobra.ExactArgs(1),
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("Installing Docker Compose from local file...")

			exist := utils.FileExistAndNotNull(dockerLocalInstallPath)
			if !exist {
				log.Error("Docker local install file not found: %s", dockerLocalInstallPath)
				return
			}

			// move file to /usr/local/bin
			err := utils.MoveFolerToAnother(dockerComposeLocalInstallPath, "/usr/local/bin")
			if err != nil {
				log.Error("Failed to move Docker Compose binaries: %s", err.Error())
				return
			}

			// set permission
			chmodCmd := []string{"chmod", "+x", "/usr/local/bin/docker-compose"}
			ok, resultLog := op.SingleLineCommandExecutor(chmodCmd)
			if !ok {
				log.Error("Failed to set permissions for Docker Compose binaries: %s", resultLog)
				return
			}

			log.Info("Docker Compose installed successfully from local file!")
		},
	}

	versionCmd := &cobra.Command{
		Use:   "version",
		Short: "查看Docker Compose版本",
		Run: func(cmd *cobra.Command, args []string) {
			log.Info("Docker Compose version...")
			ok, resultLog := op.SingleLineCommandExecutor([]string{"docker-compose", "--version"})
			if !ok {
				log.Error("Failed to get Docker Compose version: %s", resultLog)
				return
			}
			log.Info("Docker Compose version: %s", resultLog)
		},
	}

	cmd.AddCommand(
		installCmd,
		removeCmd,
		localCmd,
		versionCmd,
	)

}