system

var BrewCmd = &cobra.Command{
	Use:   "brew",
	Short: "Update Homebrew packages only",
	Long:  `This command updates only Homebrew packages, skipping system updates.`,
	Run: func(cmd *cobra.Command, args []string) {
		isVerbose := utils.IsVerbose(cmd)
		updateBrew(isVerbose)
	},
}

var FindNonMovieFoldersCmd = &cobra.Command{
	Use:   "findNonMovieFolders [directory]",
	Short: "Find and optionally delete non-movie folders",
	Long: `This command searches recursively through the supplied directory for directories
that do not contain video files (mp4, mkv, avi, mov, wmv, flv, webm, mpeg, mpg, m4v).
It identifies top-level subdirectories within the supplied directory that lack
any such files anywhere within their structure.

It can optionally delete these identified directories if the --dry-run flag is set to false.
By default, --dry-run is true.`,
	Args: cobra.ExactArgs(1),
	Run: func(cmd *cobra.Command, args []string) {

		log.Start("Scanning for non-movie folders...")

		directory := args[0]
		isDryRun, _ := cmd.Flags().GetBool("dry-run")
		isVerbose := utils.IsVerbose(cmd)

		if _, err := os.Stat(directory); os.IsNotExist(err) {
			log.Error("Provided directory does not exist: %s", directory)
			return
		}

		log.Verbose(isVerbose, "Searching for directories in: %s", directory)
		log.Verbose(isVerbose, "Dry run mode: %t", isDryRun)

		spinner := utils.NewProgressSpinner("Scanning directories...")
		spinner.Start()
		defer spinner.Stop()

		nonMovieFolders, err := findNonMovieFolders(isVerbose, directory, func(done, total int) {
			progress := 0.0
			if total > 0 {
				progress = float64(done) / float64(total)
			}
			spinner.SetProgressBar(progress, fmt.Sprintf("Scanning... (%d/%d)", done, total))
		})

		if err != nil {
			log.Error("Error finding non-movie folders: %s", err)
			return
		}

		spinner.UpdateMessage("Scan complete.")
		spinner.SetProgressBar(1.0)

		log.Verbose(isVerbose, "Found %d potential non-movie folders.", len(nonMovieFolders))

		if len(nonMovieFolders) == 0 {
			log.Success("No non-movie folders found in %s.", directory)
			return
		}

		log.Message("Processing %d non-movie folder(s)...", len(nonMovieFolders))

		deletedCount := 0
		skippedCount := 0

		for _, folder := range nonMovieFolders {

			listFilesCmd := exec.Command("find", folder, "-type", "f")
			filesToDeleteBytes, listErr := listFilesCmd.Output()
			if listErr != nil {
				log.Warn("Could not list files in folder %s (may be empty or permission issue): %s", folder, listErr)
			}

			filesList := strings.Split(strings.TrimSpace(string(filesToDeleteBytes)), "\n")
			actualFiles := []string{}
			if len(filesList) > 0 && filesList[0] != "" {
				actualFiles = filesList
			}

			if isVerbose && len(actualFiles) > 0 {
				log.Info("Files within %s:", folder)
				for _, file := range actualFiles {
					log.Info("  - %s", file)
				}
			} else if isVerbose {
				log.Info("Folder %s is empty or contains only empty subdirectories.", folder)
			}

			if isDryRun {
				log.Message("[Dry Run] Would delete folder: %s (%d files/items)", folder, len(actualFiles))
				skippedCount++
			} else {
				log.Warn("Deleting non-movie folder: %s (%d files/items)", folder, len(actualFiles))
				deleteCmd := exec.Command("rm", "-rf", "--", folder)
				if err := deleteCmd.Run(); err != nil {
					log.Error("Error deleting folder %s: %s", folder, err)
					skippedCount++
				} else {
					log.Success("Deleted: %s", folder)
					deletedCount++
				}
			}
		}

		if isDryRun {
			log.Success("Dry run complete. %d folder(s) identified for deletion.", skippedCount)
		} else {
			log.Success("Processing complete. Deleted %d folder(s), skipped %d due to errors.", deletedCount, skippedCount)
		}
	},
}

var KillPortCmd = &cobra.Command{
	Use:   "killPort [port]",
	Short: "Find and kill the process listening on a specific port",
	Long: `This command finds the process ID (PID) listening on the specified network port
using the 'lsof' command and then terminates that process forcefully using 'kill -9'.

Requires 'lsof' and 'kill' commands to be available on the system.
Primarily intended for Unix-like systems (Linux, macOS).`,
	Args: cobra.ExactArgs(1),
	Run: func(cmd *cobra.Command, args []string) {
		portStr := args[0]
		isVerbose := utils.IsVerbose(cmd)

		if _, err := strconv.Atoi(portStr); err != nil {
			log.Error("Invalid port number provided: %s. Port must be an integer.", portStr)
			return
		}

		log.Message("Attempting to find process on port %s...", portStr)

		lsofCmd := exec.Command("lsof", "-ti:"+portStr)
		log.Verbose(isVerbose, "Executing: %s", lsofCmd.String())

		outputBytes, err := lsofCmd.CombinedOutput()
		output := strings.TrimSpace(string(outputBytes))

		if err != nil {

			log.Verbose(isVerbose, "lsof command finished with error: %v", err)
			log.Verbose(isVerbose, "lsof output: %s", output)

			if _, ok := err.(*exec.ExitError); ok && output == "" {
				log.Warn("No process found listening on port %s.", portStr)
			} else {

				log.Error("Failed to execute lsof command: %v", err)
				log.Error("lsof output (if any): %s", output)
			}
			return
		}

		if output == "" {
			log.Warn("lsof ran successfully but found no process ID on port %s.", portStr)
			return
		}

		pids := strings.Fields(output)
		if len(pids) == 0 {
			log.Warn("lsof command returned empty output after trimming.")
			return
		}

		killedCount := 0
		errorCount := 0
		for _, pid := range pids {
			log.Info("Found process with PID %s on port %s. Attempting to kill...", pid, portStr)

			killCmd := exec.Command("kill", "-9", pid)
			log.Verbose(isVerbose, "Executing: %s", killCmd.String())

			if err := killCmd.Run(); err != nil {
				log.Error("Failed to kill process with PID %s: %v", pid, err)
				errorCount++
			} else {
				log.Success("Successfully sent kill signal to process with PID %s.", pid)
				killedCount++
			}
		}

		if killedCount > 0 && errorCount == 0 {
			log.Success("Finished killing process(es) on port %s.", portStr)
		} else if killedCount > 0 && errorCount > 0 {
			log.Warn("Finished attempting to kill process(es) on port %s, but encountered %d error(s).", portStr, errorCount)
		} else if killedCount == 0 && errorCount > 0 {
			log.Error("Failed to kill any process found on port %s.", portStr)
		}

	},
}

var ProxyCmd = &cobra.Command{
	Use:   "proxy",
	Short: "Show or configure system proxies",
	Long:  `This command displays and manages multiple proxy configurations and allows enabling, disabling, or setting them via subcommands.`,
	Run: func(cmd *cobra.Command, args []string) {
		listProxyConfigurations()
	},
}

var SystemCmd = &cobra.Command{
	Use:   "system",
	Short: "A command for managing the system",
	Long:  `This command will help manage various aspects of MacOS and Linux systems.`,
	Run: func(cmd *cobra.Command, args []string) {
		err := cmd.Help()
		cobra.CheckErr(err)
	},
}

var UpdateCmd = &cobra.Command{
	Use:     "update",
	Aliases: []string{"update", "u"},
	Short:   "Update the system",
	Long:    `This command updates the system. It supports Ubuntu and WSL Linux systems and logs a message for unsupported systems.`,
	Run: func(cmd *cobra.Command, args []string) {
		isVerbose := utils.IsVerbose(cmd)
		log.Verbose(isVerbose, "Checking system type...")

		checkCmd := exec.Command("uname", "-a")
		output, err := checkCmd.Output()
		if err != nil {
			log.Error("Error checking system type: %s", err)
			return
		}

		uname := strings.ToLower(string(output))
		log.Verbose(isVerbose, "System type detected: %s", strings.TrimSpace(string(output)))

		if strings.Contains(uname, "ubuntu") || strings.Contains(uname, "linux") {
			log.Verbose(isVerbose, "Detected Ubuntu/Linux system, running system update...")
			updateUbuntu(isVerbose)
		} else if strings.Contains(uname, "darwin") {
			log.Verbose(isVerbose, "Detected macOS system, running macOS update...")
			updateMacOS(isVerbose)
		} else if strings.Contains(uname, "raspberrypi") || strings.Contains(uname, "raspbian") {
			log.Verbose(isVerbose, "Detected Raspberry Pi system, running Raspberry Pi update...")
			updateRaspberryPi(isVerbose)
		} else {
			log.Warn("This system is not yet supported for updates.")
			log.Verbose(isVerbose, "Unsupported system type: %s", strings.TrimSpace(string(output)))
		}
	},
}