switch hto monorepo structure

backend/internal/distros/base.go

@@ -0,0 +1,659 @@
+package distros
+
+import (
+	"bufio"
+	"context"
+	_ "embed"
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/AvengeMedia/DankMaterialShell/backend/internal/deps"
+	"github.com/AvengeMedia/DankMaterialShell/backend/internal/version"
+)
+
+const forceQuickshellGit = false
+const forceDMSGit = false
+
+// BaseDistribution provides common functionality for all distributions
+type BaseDistribution struct {
+	logChan chan<- string
+}
+
+// NewBaseDistribution creates a new base distribution
+func NewBaseDistribution(logChan chan<- string) *BaseDistribution {
+	return &BaseDistribution{
+		logChan: logChan,
+	}
+}
+
+// Common helper methods
+func (b *BaseDistribution) commandExists(cmd string) bool {
+	_, err := exec.LookPath(cmd)
+	return err == nil
+}
+
+func (b *BaseDistribution) CommandExists(cmd string) bool {
+	return b.commandExists(cmd)
+}
+
+func (b *BaseDistribution) log(message string) {
+	if b.logChan != nil {
+		b.logChan <- message
+	}
+}
+
+func (b *BaseDistribution) logError(message string, err error) {
+	errorMsg := fmt.Sprintf("ERROR: %s: %v", message, err)
+	b.log(errorMsg)
+}
+
+// escapeSingleQuotes escapes single quotes in a string for safe use in bash single-quoted strings.
+// It replaces each ' with '\” which closes the quote, adds an escaped quote, and reopens the quote.
+// This prevents shell injection and syntax errors when passwords contain single quotes or apostrophes.
+func escapeSingleQuotes(s string) string {
+	return strings.ReplaceAll(s, "'", "'\\''")
+}
+
+// MakeSudoCommand creates a command string that safely passes password to sudo.
+// This helper escapes special characters in the password to prevent shell injection
+// and syntax errors when passwords contain single quotes, apostrophes, or other special chars.
+func MakeSudoCommand(sudoPassword string, command string) string {
+	return fmt.Sprintf("echo '%s' | sudo -S %s", escapeSingleQuotes(sudoPassword), command)
+}
+
+// ExecSudoCommand creates an exec.Cmd that runs a command with sudo using the provided password.
+// The password is properly escaped to prevent shell injection and syntax errors.
+func ExecSudoCommand(ctx context.Context, sudoPassword string, command string) *exec.Cmd {
+	cmdStr := MakeSudoCommand(sudoPassword, command)
+	return exec.CommandContext(ctx, "bash", "-c", cmdStr)
+}
+
+// Common dependency detection methods
+func (b *BaseDistribution) detectGit() deps.Dependency {
+	status := deps.StatusMissing
+	if b.commandExists("git") {
+		status = deps.StatusInstalled
+	}
+
+	return deps.Dependency{
+		Name:        "git",
+		Status:      status,
+		Description: "Version control system",
+		Required:    true,
+	}
+}
+
+func (b *BaseDistribution) detectMatugen() deps.Dependency {
+	status := deps.StatusMissing
+	if b.commandExists("matugen") {
+		status = deps.StatusInstalled
+	}
+
+	return deps.Dependency{
+		Name:        "matugen",
+		Status:      status,
+		Description: "Material Design color generation tool",
+		Required:    true,
+	}
+}
+
+func (b *BaseDistribution) detectDgop() deps.Dependency {
+	status := deps.StatusMissing
+	if b.commandExists("dgop") {
+		status = deps.StatusInstalled
+	}
+
+	return deps.Dependency{
+		Name:        "dgop",
+		Status:      status,
+		Description: "Desktop portal management tool",
+		Required:    true,
+	}
+}
+
+func (b *BaseDistribution) detectDMS() deps.Dependency {
+	dmsPath := filepath.Join(os.Getenv("HOME"), ".config/quickshell/dms")
+
+	status := deps.StatusMissing
+	currentVersion := ""
+
+	if _, err := os.Stat(dmsPath); err == nil {
+		status = deps.StatusInstalled
+
+		// Only get current version, don't check for updates (lazy loading)
+		current, err := version.GetCurrentDMSVersion()
+		if err == nil {
+			currentVersion = current
+		}
+	}
+
+	dep := deps.Dependency{
+		Name:        "dms (DankMaterialShell)",
+		Status:      status,
+		Description: "Desktop Management System configuration",
+		Required:    true,
+		CanToggle:   true,
+	}
+
+	if currentVersion != "" {
+		dep.Version = currentVersion
+	}
+
+	return dep
+}
+
+func (b *BaseDistribution) detectSpecificTerminal(terminal deps.Terminal) deps.Dependency {
+	switch terminal {
+	case deps.TerminalGhostty:
+		status := deps.StatusMissing
+		if b.commandExists("ghostty") {
+			status = deps.StatusInstalled
+		}
+		return deps.Dependency{
+			Name:        "ghostty",
+			Status:      status,
+			Description: "A fast, native terminal emulator built in Zig.",
+			Required:    true,
+		}
+	case deps.TerminalKitty:
+		status := deps.StatusMissing
+		if b.commandExists("kitty") {
+			status = deps.StatusInstalled
+		}
+		return deps.Dependency{
+			Name:        "kitty",
+			Status:      status,
+			Description: "A feature-rich, customizable terminal emulator.",
+			Required:    true,
+		}
+	case deps.TerminalAlacritty:
+		status := deps.StatusMissing
+		if b.commandExists("alacritty") {
+			status = deps.StatusInstalled
+		}
+		return deps.Dependency{
+			Name:        "alacritty",
+			Status:      status,
+			Description: "A simple terminal emulator. (No dynamic theming)",
+			Required:    true,
+		}
+	default:
+		return b.detectSpecificTerminal(deps.TerminalGhostty)
+	}
+}
+
+func (b *BaseDistribution) detectClipboardTools() []deps.Dependency {
+	var dependencies []deps.Dependency
+
+	cliphist := deps.StatusMissing
+	if b.commandExists("cliphist") {
+		cliphist = deps.StatusInstalled
+	}
+
+	wlClipboard := deps.StatusMissing
+	if b.commandExists("wl-copy") && b.commandExists("wl-paste") {
+		wlClipboard = deps.StatusInstalled
+	}
+
+	dependencies = append(dependencies,
+		deps.Dependency{
+			Name:        "cliphist",
+			Status:      cliphist,
+			Description: "Wayland clipboard manager",
+			Required:    true,
+		},
+		deps.Dependency{
+			Name:        "wl-clipboard",
+			Status:      wlClipboard,
+			Description: "Wayland clipboard utilities",
+			Required:    true,
+		},
+	)
+
+	return dependencies
+}
+
+func (b *BaseDistribution) detectHyprpicker() deps.Dependency {
+	status := deps.StatusMissing
+	if b.commandExists("hyprpicker") {
+		status = deps.StatusInstalled
+	}
+
+	return deps.Dependency{
+		Name:        "hyprpicker",
+		Status:      status,
+		Description: "Color picker for Wayland",
+		Required:    true,
+	}
+}
+
+func (b *BaseDistribution) detectHyprlandTools() []deps.Dependency {
+	var dependencies []deps.Dependency
+
+	tools := []struct {
+		name        string
+		description string
+	}{
+		{"grim", "Screenshot utility for Wayland"},
+		{"slurp", "Region selection utility for Wayland"},
+		{"hyprctl", "Hyprland control utility"},
+		{"grimblast", "Screenshot script for Hyprland"},
+		{"jq", "JSON processor"},
+	}
+
+	for _, tool := range tools {
+		status := deps.StatusMissing
+		if b.commandExists(tool.name) {
+			status = deps.StatusInstalled
+		}
+
+		dependencies = append(dependencies, deps.Dependency{
+			Name:        tool.name,
+			Status:      status,
+			Description: tool.description,
+			Required:    true,
+		})
+	}
+
+	return dependencies
+}
+
+func (b *BaseDistribution) detectQuickshell() deps.Dependency {
+	if !b.commandExists("qs") {
+		return deps.Dependency{
+			Name:        "quickshell",
+			Status:      deps.StatusMissing,
+			Description: "QtQuick based desktop shell toolkit",
+			Required:    true,
+			Variant:     deps.VariantStable,
+			CanToggle:   true,
+		}
+	}
+
+	cmd := exec.Command("qs", "--version")
+	output, err := cmd.Output()
+	if err != nil {
+		return deps.Dependency{
+			Name:        "quickshell",
+			Status:      deps.StatusNeedsReinstall,
+			Description: "QtQuick based desktop shell toolkit (version check failed)",
+			Required:    true,
+			Variant:     deps.VariantStable,
+			CanToggle:   true,
+		}
+	}
+
+	versionStr := string(output)
+	versionRegex := regexp.MustCompile(`quickshell (\d+\.\d+\.\d+)`)
+	matches := versionRegex.FindStringSubmatch(versionStr)
+
+	if len(matches) < 2 {
+		return deps.Dependency{
+			Name:        "quickshell",
+			Status:      deps.StatusNeedsReinstall,
+			Description: "QtQuick based desktop shell toolkit (unknown version)",
+			Required:    true,
+			Variant:     deps.VariantStable,
+			CanToggle:   true,
+		}
+	}
+
+	version := matches[1]
+	variant := deps.VariantStable
+	if strings.Contains(versionStr, "git") || strings.Contains(versionStr, "+") {
+		variant = deps.VariantGit
+	}
+
+	if b.versionCompare(version, "0.2.0") >= 0 {
+		return deps.Dependency{
+			Name:        "quickshell",
+			Status:      deps.StatusInstalled,
+			Version:     version,
+			Description: "QtQuick based desktop shell toolkit",
+			Required:    true,
+			Variant:     variant,
+			CanToggle:   true,
+		}
+	}
+
+	return deps.Dependency{
+		Name:        "quickshell",
+		Status:      deps.StatusNeedsUpdate,
+		Variant:     variant,
+		CanToggle:   true,
+		Version:     version,
+		Description: "QtQuick based desktop shell toolkit (needs 0.2.0+)",
+		Required:    true,
+	}
+}
+
+func (b *BaseDistribution) detectWindowManager(wm deps.WindowManager) deps.Dependency {
+	switch wm {
+	case deps.WindowManagerHyprland:
+		status := deps.StatusMissing
+		variant := deps.VariantStable
+		version := ""
+
+		if b.commandExists("hyprland") || b.commandExists("Hyprland") {
+			status = deps.StatusInstalled
+			cmd := exec.Command("hyprctl", "version")
+			if output, err := cmd.Output(); err == nil {
+				outStr := string(output)
+				if strings.Contains(outStr, "git") || strings.Contains(outStr, "dirty") {
+					variant = deps.VariantGit
+				}
+				if versionRegex := regexp.MustCompile(`v(\d+\.\d+\.\d+)`); versionRegex.MatchString(outStr) {
+					matches := versionRegex.FindStringSubmatch(outStr)
+					if len(matches) > 1 {
+						version = matches[1]
+					}
+				}
+			}
+		}
+		return deps.Dependency{
+			Name:        "hyprland",
+			Status:      status,
+			Version:     version,
+			Description: "Dynamic tiling Wayland compositor",
+			Required:    true,
+			Variant:     variant,
+			CanToggle:   true,
+		}
+	case deps.WindowManagerNiri:
+		status := deps.StatusMissing
+		variant := deps.VariantStable
+		version := ""
+
+		if b.commandExists("niri") {
+			status = deps.StatusInstalled
+			cmd := exec.Command("niri", "--version")
+			if output, err := cmd.Output(); err == nil {
+				outStr := string(output)
+				if strings.Contains(outStr, "git") || strings.Contains(outStr, "+") {
+					variant = deps.VariantGit
+				}
+				if versionRegex := regexp.MustCompile(`niri (\d+\.\d+)`); versionRegex.MatchString(outStr) {
+					matches := versionRegex.FindStringSubmatch(outStr)
+					if len(matches) > 1 {
+						version = matches[1]
+					}
+				}
+			}
+		}
+		return deps.Dependency{
+			Name:        "niri",
+			Status:      status,
+			Version:     version,
+			Description: "Scrollable-tiling Wayland compositor",
+			Required:    true,
+			Variant:     variant,
+			CanToggle:   true,
+		}
+	default:
+		return deps.Dependency{
+			Name:        "unknown-wm",
+			Status:      deps.StatusMissing,
+			Description: "Unknown window manager",
+			Required:    true,
+		}
+	}
+}
+
+// Version comparison helper
+func (b *BaseDistribution) versionCompare(v1, v2 string) int {
+	parts1 := strings.Split(v1, ".")
+	parts2 := strings.Split(v2, ".")
+
+	for i := 0; i < len(parts1) && i < len(parts2); i++ {
+		if parts1[i] < parts2[i] {
+			return -1
+		}
+		if parts1[i] > parts2[i] {
+			return 1
+		}
+	}
+
+	if len(parts1) < len(parts2) {
+		return -1
+	}
+	if len(parts1) > len(parts2) {
+		return 1
+	}
+
+	return 0
+}
+
+// Common installation helper
+func (b *BaseDistribution) runWithProgress(cmd *exec.Cmd, progressChan chan<- InstallProgressMsg, phase InstallPhase, startProgress, endProgress float64) error {
+	return b.runWithProgressTimeout(cmd, progressChan, phase, startProgress, endProgress, 20*time.Minute)
+}
+
+func (b *BaseDistribution) runWithProgressTimeout(cmd *exec.Cmd, progressChan chan<- InstallProgressMsg, phase InstallPhase, startProgress, endProgress float64, timeout time.Duration) error {
+	return b.runWithProgressStepTimeout(cmd, progressChan, phase, startProgress, endProgress, "Installing...", timeout)
+}
+
+func (b *BaseDistribution) runWithProgressStep(cmd *exec.Cmd, progressChan chan<- InstallProgressMsg, phase InstallPhase, startProgress, endProgress float64, stepMessage string) error {
+	return b.runWithProgressStepTimeout(cmd, progressChan, phase, startProgress, endProgress, stepMessage, 20*time.Minute)
+}
+
+func (b *BaseDistribution) runWithProgressStepTimeout(cmd *exec.Cmd, progressChan chan<- InstallProgressMsg, phase InstallPhase, startProgress, endProgress float64, stepMessage string, timeoutDuration time.Duration) error {
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		return fmt.Errorf("failed to create stdout pipe: %w", err)
+	}
+	stderr, err := cmd.StderrPipe()
+	if err != nil {
+		return fmt.Errorf("failed to create stderr pipe: %w", err)
+	}
+
+	if err := cmd.Start(); err != nil {
+		return err
+	}
+
+	outputChan := make(chan string, 100)
+	done := make(chan error, 1)
+
+	go func() {
+		scanner := bufio.NewScanner(stdout)
+		for scanner.Scan() {
+			line := scanner.Text()
+			b.log(line)
+			outputChan <- line
+		}
+	}()
+
+	go func() {
+		scanner := bufio.NewScanner(stderr)
+		for scanner.Scan() {
+			line := scanner.Text()
+			b.log(line)
+			outputChan <- line
+		}
+	}()
+
+	go func() {
+		done <- cmd.Wait()
+		close(outputChan)
+	}()
+
+	ticker := time.NewTicker(200 * time.Millisecond)
+	defer ticker.Stop()
+
+	progress := startProgress
+	progressStep := (endProgress - startProgress) / 50
+	lastOutput := ""
+
+	var timeout *time.Timer
+	var timeoutChan <-chan time.Time
+	if timeoutDuration > 0 {
+		timeout = time.NewTimer(timeoutDuration)
+		defer timeout.Stop()
+		timeoutChan = timeout.C
+	}
+
+	for {
+		select {
+		case err := <-done:
+			if err != nil {
+				b.logError("Command execution failed", err)
+				b.log(fmt.Sprintf("Last output before failure: %s", lastOutput))
+				progressChan <- InstallProgressMsg{
+					Phase:      phase,
+					Progress:   startProgress,
+					Step:       "Command failed",
+					IsComplete: false,
+					LogOutput:  lastOutput,
+					Error:      err,
+				}
+				return err
+			}
+			progressChan <- InstallProgressMsg{
+				Phase:      phase,
+				Progress:   endProgress,
+				Step:       "Installation step complete",
+				IsComplete: false,
+				LogOutput:  lastOutput,
+			}
+			return nil
+		case output, ok := <-outputChan:
+			if ok {
+				lastOutput = output
+				progressChan <- InstallProgressMsg{
+					Phase:      phase,
+					Progress:   progress,
+					Step:       stepMessage,
+					IsComplete: false,
+					LogOutput:  output,
+				}
+				if timeout != nil {
+					timeout.Reset(timeoutDuration)
+				}
+			}
+		case <-timeoutChan:
+			if cmd.Process != nil {
+				cmd.Process.Kill()
+			}
+			err := fmt.Errorf("installation timed out after %v", timeoutDuration)
+			progressChan <- InstallProgressMsg{
+				Phase:      phase,
+				Progress:   startProgress,
+				Step:       "Installation timed out",
+				IsComplete: false,
+				LogOutput:  lastOutput,
+				Error:      err,
+			}
+			return err
+		case <-ticker.C:
+			if progress < endProgress-0.01 {
+				progress += progressStep
+				progressChan <- InstallProgressMsg{
+					Phase:      phase,
+					Progress:   progress,
+					Step:       "Installing...",
+					IsComplete: false,
+					LogOutput:  lastOutput,
+				}
+			}
+		}
+	}
+}
+
+// installDMSBinary installs the DMS binary from GitHub releases
+func (b *BaseDistribution) installDMSBinary(ctx context.Context, sudoPassword string, progressChan chan<- InstallProgressMsg) error {
+	b.log("Installing/updating DMS binary...")
+
+	// Detect architecture
+	arch := runtime.GOARCH
+	switch arch {
+	case "amd64":
+	case "arm64":
+	default:
+		return fmt.Errorf("unsupported architecture for DMS: %s", arch)
+	}
+
+	progressChan <- InstallProgressMsg{
+		Phase:       PhaseConfiguration,
+		Progress:    0.80,
+		Step:        "Downloading DMS binary...",
+		IsComplete:  false,
+		CommandInfo: fmt.Sprintf("Downloading dms-%s.gz", arch),
+	}
+
+	// Get latest release version
+	latestVersionCmd := exec.CommandContext(ctx, "bash", "-c",
+		`curl -s https://api.github.com/repos/AvengeMedia/danklinux/releases/latest | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/'`)
+	versionOutput, err := latestVersionCmd.Output()
+	if err != nil {
+		return fmt.Errorf("failed to get latest DMS version: %w", err)
+	}
+	version := strings.TrimSpace(string(versionOutput))
+	if version == "" {
+		return fmt.Errorf("could not determine latest DMS version")
+	}
+
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return fmt.Errorf("failed to get user home directory: %w", err)
+	}
+	tmpDir := filepath.Join(homeDir, ".cache", "dankinstall", "manual-builds")
+	if err := os.MkdirAll(tmpDir, 0755); err != nil {
+		return fmt.Errorf("failed to create temp directory: %w", err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	// Download the gzipped binary
+	downloadURL := fmt.Sprintf("https://github.com/AvengeMedia/DankMaterialShell/backend/releases/download/%s/dms-%s.gz", version, arch)
+	gzPath := filepath.Join(tmpDir, "dms.gz")
+
+	downloadCmd := exec.CommandContext(ctx, "curl", "-L", downloadURL, "-o", gzPath)
+	if err := downloadCmd.Run(); err != nil {
+		return fmt.Errorf("failed to download DMS binary: %w", err)
+	}
+
+	progressChan <- InstallProgressMsg{
+		Phase:       PhaseConfiguration,
+		Progress:    0.85,
+		Step:        "Extracting DMS binary...",
+		IsComplete:  false,
+		CommandInfo: "gunzip dms.gz",
+	}
+
+	// Extract the binary
+	extractCmd := exec.CommandContext(ctx, "gunzip", gzPath)
+	if err := extractCmd.Run(); err != nil {
+		return fmt.Errorf("failed to extract DMS binary: %w", err)
+	}
+
+	binaryPath := filepath.Join(tmpDir, "dms")
+
+	// Make it executable
+	chmodCmd := exec.CommandContext(ctx, "chmod", "+x", binaryPath)
+	if err := chmodCmd.Run(); err != nil {
+		return fmt.Errorf("failed to make DMS binary executable: %w", err)
+	}
+
+	progressChan <- InstallProgressMsg{
+		Phase:       PhaseConfiguration,
+		Progress:    0.88,
+		Step:        "Installing DMS to /usr/local/bin...",
+		IsComplete:  false,
+		NeedsSudo:   true,
+		CommandInfo: "sudo cp dms /usr/local/bin/",
+	}
+
+	// Install to /usr/local/bin
+	installCmd := ExecSudoCommand(ctx, sudoPassword,
+		fmt.Sprintf("cp %s /usr/local/bin/dms", binaryPath))
+	if err := installCmd.Run(); err != nil {
+		return fmt.Errorf("failed to install DMS binary: %w", err)
+	}
+
+	b.log("DMS binary installed successfully")
+	return nil
+}