1 files changed, 718 insertions, 0 deletions
diff --git a/raveos-hyprland-theme/theme-data/DankMaterialShell/core/internal/config/deployer.go b/raveos-hyprland-theme/theme-data/DankMaterialShell/core/internal/config/deployer.go
new file mode 100644
index 0000000..7cc513f
--- /dev/null
+++ b/raveos-hyprland-theme/theme-data/DankMaterialShell/core/internal/config/deployer.go
@@ -0,0 +1,718 @@
+package config
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/deps"
+)
+
+type ConfigDeployer struct {
+	logChan chan<- string
+}
+
+type DeploymentResult struct {
+	ConfigType string
+	Path       string
+	BackupPath string
+	Deployed   bool
+	Error      error
+}
+
+func NewConfigDeployer(logChan chan<- string) *ConfigDeployer {
+	return &ConfigDeployer{
+		logChan: logChan,
+	}
+}
+
+func (cd *ConfigDeployer) log(message string) {
+	if cd.logChan != nil {
+		cd.logChan <- message
+	}
+}
+
+// DeployConfigurations deploys all necessary configurations based on the chosen window manager
+func (cd *ConfigDeployer) DeployConfigurations(ctx context.Context, wm deps.WindowManager) ([]DeploymentResult, error) {
+	return cd.DeployConfigurationsWithTerminal(ctx, wm, deps.TerminalGhostty)
+}
+
+// DeployConfigurationsWithTerminal deploys all necessary configurations based on chosen window manager and terminal
+func (cd *ConfigDeployer) DeployConfigurationsWithTerminal(ctx context.Context, wm deps.WindowManager, terminal deps.Terminal) ([]DeploymentResult, error) {
+	return cd.DeployConfigurationsSelective(ctx, wm, terminal, nil, nil)
+}
+
+// DeployConfigurationsWithSystemd deploys configurations with systemd option
+func (cd *ConfigDeployer) DeployConfigurationsWithSystemd(ctx context.Context, wm deps.WindowManager, terminal deps.Terminal, useSystemd bool) ([]DeploymentResult, error) {
+	return cd.deployConfigurationsInternal(ctx, wm, terminal, nil, nil, nil, useSystemd)
+}
+
+func (cd *ConfigDeployer) DeployConfigurationsSelective(ctx context.Context, wm deps.WindowManager, terminal deps.Terminal, installedDeps []deps.Dependency, replaceConfigs map[string]bool) ([]DeploymentResult, error) {
+	return cd.DeployConfigurationsSelectiveWithReinstalls(ctx, wm, terminal, installedDeps, replaceConfigs, nil)
+}
+
+func (cd *ConfigDeployer) DeployConfigurationsSelectiveWithReinstalls(ctx context.Context, wm deps.WindowManager, terminal deps.Terminal, installedDeps []deps.Dependency, replaceConfigs map[string]bool, reinstallItems map[string]bool) ([]DeploymentResult, error) {
+	return cd.deployConfigurationsInternal(ctx, wm, terminal, installedDeps, replaceConfigs, reinstallItems, true)
+}
+
+func (cd *ConfigDeployer) deployConfigurationsInternal(ctx context.Context, wm deps.WindowManager, terminal deps.Terminal, installedDeps []deps.Dependency, replaceConfigs map[string]bool, reinstallItems map[string]bool, useSystemd bool) ([]DeploymentResult, error) {
+	var results []DeploymentResult
+
+	// Primary config file paths used to detect fresh installs.
+	configPrimaryPaths := map[string]string{
+		"Niri":      filepath.Join(os.Getenv("HOME"), ".config", "niri", "config.kdl"),
+		"Hyprland":  filepath.Join(os.Getenv("HOME"), ".config", "hypr", "hyprland.conf"),
+		"Ghostty":   filepath.Join(os.Getenv("HOME"), ".config", "ghostty", "config"),
+		"Kitty":     filepath.Join(os.Getenv("HOME"), ".config", "kitty", "kitty.conf"),
+		"Alacritty": filepath.Join(os.Getenv("HOME"), ".config", "alacritty", "alacritty.toml"),
+	}
+
+	shouldReplaceConfig := func(configType string) bool {
+		if replaceConfigs == nil {
+			return true
+		}
+		replace, exists := replaceConfigs[configType]
+		if !exists || replace {
+			return true
+		}
+		// Config is explicitly set to "don't replace" — but still deploy
+		// if the config file doesn't exist yet (fresh install scenario).
+		if primaryPath, ok := configPrimaryPaths[configType]; ok {
+			if _, err := os.Stat(primaryPath); os.IsNotExist(err) {
+				return true
+			}
+		}
+		return false
+	}
+
+	switch wm {
+	case deps.WindowManagerNiri:
+		if shouldReplaceConfig("Niri") {
+			result, err := cd.deployNiriConfig(terminal, useSystemd)
+			results = append(results, result)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Niri config: %w", err)
+			}
+		}
+	case deps.WindowManagerHyprland:
+		if shouldReplaceConfig("Hyprland") {
+			result, err := cd.deployHyprlandConfig(terminal, useSystemd)
+			results = append(results, result)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Hyprland config: %w", err)
+			}
+		}
+	}
+
+	switch terminal {
+	case deps.TerminalGhostty:
+		if shouldReplaceConfig("Ghostty") {
+			ghosttyResults, err := cd.deployGhosttyConfig()
+			results = append(results, ghosttyResults...)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Ghostty config: %w", err)
+			}
+		}
+	case deps.TerminalKitty:
+		if shouldReplaceConfig("Kitty") {
+			kittyResults, err := cd.deployKittyConfig()
+			results = append(results, kittyResults...)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Kitty config: %w", err)
+			}
+		}
+	case deps.TerminalAlacritty:
+		if shouldReplaceConfig("Alacritty") {
+			alacrittyResults, err := cd.deployAlacrittyConfig()
+			results = append(results, alacrittyResults...)
+			if err != nil {
+				return results, fmt.Errorf("failed to deploy Alacritty config: %w", err)
+			}
+		}
+	}
+
+	return results, nil
+}
+
+func (cd *ConfigDeployer) deployNiriConfig(terminal deps.Terminal, useSystemd bool) (DeploymentResult, error) {
+	result := DeploymentResult{
+		ConfigType: "Niri",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "niri", "config.kdl"),
+	}
+
+	configDir := filepath.Dir(result.Path)
+	if err := os.MkdirAll(configDir, 0o755); err != nil {
+		result.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return result, result.Error
+	}
+
+	dmsDir := filepath.Join(configDir, "dms")
+	if err := os.MkdirAll(dmsDir, 0o755); err != nil {
+		result.Error = fmt.Errorf("failed to create dms directory: %w", err)
+		return result, result.Error
+	}
+
+	var existingConfig string
+	if _, err := os.Stat(result.Path); err == nil {
+		cd.log("Found existing Niri configuration")
+
+		existingData, err := os.ReadFile(result.Path)
+		if err != nil {
+			result.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return result, result.Error
+		}
+		existingConfig = string(existingData)
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		result.BackupPath = result.Path + ".backup." + timestamp
+		if err := os.WriteFile(result.BackupPath, existingData, 0o644); err != nil {
+			result.Error = fmt.Errorf("failed to create backup: %w", err)
+			return result, result.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", result.BackupPath))
+	}
+
+	var terminalCommand string
+	switch terminal {
+	case deps.TerminalGhostty:
+		terminalCommand = "ghostty"
+	case deps.TerminalKitty:
+		terminalCommand = "kitty"
+	case deps.TerminalAlacritty:
+		terminalCommand = "alacritty"
+	default:
+		terminalCommand = "ghostty"
+	}
+
+	newConfig := strings.ReplaceAll(NiriConfig, "{{TERMINAL_COMMAND}}", terminalCommand)
+
+	if !useSystemd {
+		newConfig = cd.transformNiriConfigForNonSystemd(newConfig, terminalCommand)
+	}
+
+	if existingConfig != "" {
+		mergedConfig, err := cd.mergeNiriOutputSections(newConfig, existingConfig, dmsDir)
+		if err != nil {
+			cd.log(fmt.Sprintf("Warning: Failed to merge output sections: %v", err))
+		} else {
+			newConfig = mergedConfig
+			cd.log("Successfully merged existing output sections")
+		}
+	}
+
+	if err := os.WriteFile(result.Path, []byte(newConfig), 0o644); err != nil {
+		result.Error = fmt.Errorf("failed to write config: %w", err)
+		return result, result.Error
+	}
+
+	if err := cd.deployNiriDmsConfigs(dmsDir, terminalCommand); err != nil {
+		result.Error = fmt.Errorf("failed to deploy dms configs: %w", err)
+		return result, result.Error
+	}
+
+	result.Deployed = true
+	cd.log("Successfully deployed Niri configuration")
+	return result, nil
+}
+
+func (cd *ConfigDeployer) deployNiriDmsConfigs(dmsDir, terminalCommand string) error {
+	configs := []struct {
+		name    string
+		content string
+	}{
+		{"colors.kdl", NiriColorsConfig},
+		{"layout.kdl", NiriLayoutConfig},
+		{"alttab.kdl", NiriAlttabConfig},
+		{"binds.kdl", strings.ReplaceAll(NiriBindsConfig, "{{TERMINAL_COMMAND}}", terminalCommand)},
+		{"outputs.kdl", ""},
+		{"cursor.kdl", ""},
+		{"windowrules.kdl", ""},
+	}
+
+	for _, cfg := range configs {
+		path := filepath.Join(dmsDir, cfg.name)
+		// Skip if file already exists and is not empty to preserve user modifications
+		if info, err := os.Stat(path); err == nil && info.Size() > 0 {
+			cd.log(fmt.Sprintf("Skipping %s (already exists)", cfg.name))
+			continue
+		}
+		if err := os.WriteFile(path, []byte(cfg.content), 0o644); err != nil {
+			return fmt.Errorf("failed to write %s: %w", cfg.name, err)
+		}
+		cd.log(fmt.Sprintf("Deployed %s", cfg.name))
+	}
+
+	return nil
+}
+
+func (cd *ConfigDeployer) deployGhosttyConfig() ([]DeploymentResult, error) {
+	var results []DeploymentResult
+
+	mainResult := DeploymentResult{
+		ConfigType: "Ghostty",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "ghostty", "config"),
+	}
+
+	configDir := filepath.Dir(mainResult.Path)
+	if err := os.MkdirAll(configDir, 0o755); err != nil {
+		mainResult.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	if _, err := os.Stat(mainResult.Path); err == nil {
+		cd.log("Found existing Ghostty configuration")
+
+		existingData, err := os.ReadFile(mainResult.Path)
+		if err != nil {
+			mainResult.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		mainResult.BackupPath = mainResult.Path + ".backup." + timestamp
+		if err := os.WriteFile(mainResult.BackupPath, existingData, 0o644); err != nil {
+			mainResult.Error = fmt.Errorf("failed to create backup: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", mainResult.BackupPath))
+	}
+
+	if err := os.WriteFile(mainResult.Path, []byte(GhosttyConfig), 0o644); err != nil {
+		mainResult.Error = fmt.Errorf("failed to write config: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	mainResult.Deployed = true
+	cd.log("Successfully deployed Ghostty configuration")
+	results = append(results, mainResult)
+
+	colorResult := DeploymentResult{
+		ConfigType: "Ghostty Colors",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "ghostty", "themes", "dankcolors"),
+	}
+
+	themesDir := filepath.Dir(colorResult.Path)
+	if err := os.MkdirAll(themesDir, 0o755); err != nil {
+		mainResult.Error = fmt.Errorf("failed to create themes directory: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	if err := os.WriteFile(colorResult.Path, []byte(GhosttyColorConfig), 0o644); err != nil {
+		colorResult.Error = fmt.Errorf("failed to write color config: %w", err)
+		return results, colorResult.Error
+	}
+
+	colorResult.Deployed = true
+	cd.log("Successfully deployed Ghostty color configuration")
+	results = append(results, colorResult)
+
+	return results, nil
+}
+
+func (cd *ConfigDeployer) deployKittyConfig() ([]DeploymentResult, error) {
+	var results []DeploymentResult
+
+	mainResult := DeploymentResult{
+		ConfigType: "Kitty",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "kitty", "kitty.conf"),
+	}
+
+	configDir := filepath.Dir(mainResult.Path)
+	if err := os.MkdirAll(configDir, 0o755); err != nil {
+		mainResult.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	if _, err := os.Stat(mainResult.Path); err == nil {
+		cd.log("Found existing Kitty configuration")
+
+		existingData, err := os.ReadFile(mainResult.Path)
+		if err != nil {
+			mainResult.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		mainResult.BackupPath = mainResult.Path + ".backup." + timestamp
+		if err := os.WriteFile(mainResult.BackupPath, existingData, 0o644); err != nil {
+			mainResult.Error = fmt.Errorf("failed to create backup: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", mainResult.BackupPath))
+	}
+
+	if err := os.WriteFile(mainResult.Path, []byte(KittyConfig), 0o644); err != nil {
+		mainResult.Error = fmt.Errorf("failed to write config: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	mainResult.Deployed = true
+	cd.log("Successfully deployed Kitty configuration")
+	results = append(results, mainResult)
+
+	themeResult := DeploymentResult{
+		ConfigType: "Kitty Theme",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "kitty", "dank-theme.conf"),
+	}
+
+	if err := os.WriteFile(themeResult.Path, []byte(KittyThemeConfig), 0o644); err != nil {
+		themeResult.Error = fmt.Errorf("failed to write theme config: %w", err)
+		return results, themeResult.Error
+	}
+
+	themeResult.Deployed = true
+	cd.log("Successfully deployed Kitty theme configuration")
+	results = append(results, themeResult)
+
+	tabsResult := DeploymentResult{
+		ConfigType: "Kitty Tabs",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "kitty", "dank-tabs.conf"),
+	}
+
+	if err := os.WriteFile(tabsResult.Path, []byte(KittyTabsConfig), 0o644); err != nil {
+		tabsResult.Error = fmt.Errorf("failed to write tabs config: %w", err)
+		return results, tabsResult.Error
+	}
+
+	tabsResult.Deployed = true
+	cd.log("Successfully deployed Kitty tabs configuration")
+	results = append(results, tabsResult)
+
+	return results, nil
+}
+
+func (cd *ConfigDeployer) deployAlacrittyConfig() ([]DeploymentResult, error) {
+	var results []DeploymentResult
+
+	mainResult := DeploymentResult{
+		ConfigType: "Alacritty",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "alacritty", "alacritty.toml"),
+	}
+
+	configDir := filepath.Dir(mainResult.Path)
+	if err := os.MkdirAll(configDir, 0o755); err != nil {
+		mainResult.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	if _, err := os.Stat(mainResult.Path); err == nil {
+		cd.log("Found existing Alacritty configuration")
+
+		existingData, err := os.ReadFile(mainResult.Path)
+		if err != nil {
+			mainResult.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		mainResult.BackupPath = mainResult.Path + ".backup." + timestamp
+		if err := os.WriteFile(mainResult.BackupPath, existingData, 0o644); err != nil {
+			mainResult.Error = fmt.Errorf("failed to create backup: %w", err)
+			return []DeploymentResult{mainResult}, mainResult.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", mainResult.BackupPath))
+	}
+
+	if err := os.WriteFile(mainResult.Path, []byte(AlacrittyConfig), 0o644); err != nil {
+		mainResult.Error = fmt.Errorf("failed to write config: %w", err)
+		return []DeploymentResult{mainResult}, mainResult.Error
+	}
+
+	mainResult.Deployed = true
+	cd.log("Successfully deployed Alacritty configuration")
+	results = append(results, mainResult)
+
+	themeResult := DeploymentResult{
+		ConfigType: "Alacritty Theme",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "alacritty", "dank-theme.toml"),
+	}
+
+	if err := os.WriteFile(themeResult.Path, []byte(AlacrittyThemeConfig), 0o644); err != nil {
+		themeResult.Error = fmt.Errorf("failed to write theme config: %w", err)
+		return results, themeResult.Error
+	}
+
+	themeResult.Deployed = true
+	cd.log("Successfully deployed Alacritty theme configuration")
+	results = append(results, themeResult)
+
+	return results, nil
+}
+
+func (cd *ConfigDeployer) mergeNiriOutputSections(newConfig, existingConfig, dmsDir string) (string, error) {
+	outputRegex := regexp.MustCompile(`(?m)^(/-)?\s*output\s+"[^"]+"\s*\{[^{}]*(?:\{[^{}]*\}[^{}]*)*\}`)
+	existingOutputs := outputRegex.FindAllString(existingConfig, -1)
+
+	if len(existingOutputs) == 0 {
+		return newConfig, nil
+	}
+
+	outputsPath := filepath.Join(dmsDir, "outputs.kdl")
+	if _, err := os.Stat(outputsPath); err != nil {
+		var outputsContent strings.Builder
+		for _, output := range existingOutputs {
+			outputsContent.WriteString(output)
+			outputsContent.WriteString("\n\n")
+		}
+		if err := os.WriteFile(outputsPath, []byte(outputsContent.String()), 0o644); err != nil {
+			cd.log(fmt.Sprintf("Warning: Failed to migrate outputs to %s: %v", outputsPath, err))
+		} else {
+			cd.log("Migrated output sections to dms/outputs.kdl")
+		}
+	}
+
+	exampleOutputRegex := regexp.MustCompile(`(?m)^/-output "eDP-2" \{[^{}]*(?:\{[^{}]*\}[^{}]*)*\}`)
+	mergedConfig := exampleOutputRegex.ReplaceAllString(newConfig, "")
+
+	inputEndRegex := regexp.MustCompile(`(?m)^}$`)
+	inputMatches := inputEndRegex.FindAllStringIndex(newConfig, -1)
+
+	if len(inputMatches) < 1 {
+		return "", fmt.Errorf("could not find insertion point for output sections")
+	}
+
+	insertPos := inputMatches[0][1]
+
+	var builder strings.Builder
+	builder.WriteString(mergedConfig[:insertPos])
+	builder.WriteString("\n// Outputs from existing configuration\n")
+
+	for _, output := range existingOutputs {
+		builder.WriteString(output)
+		builder.WriteString("\n")
+	}
+
+	builder.WriteString(mergedConfig[insertPos:])
+
+	return builder.String(), nil
+}
+
+// deployHyprlandConfig handles Hyprland configuration deployment with backup and merging
+func (cd *ConfigDeployer) deployHyprlandConfig(terminal deps.Terminal, useSystemd bool) (DeploymentResult, error) {
+	result := DeploymentResult{
+		ConfigType: "Hyprland",
+		Path:       filepath.Join(os.Getenv("HOME"), ".config", "hypr", "hyprland.conf"),
+	}
+
+	configDir := filepath.Dir(result.Path)
+	if err := os.MkdirAll(configDir, 0o755); err != nil {
+		result.Error = fmt.Errorf("failed to create config directory: %w", err)
+		return result, result.Error
+	}
+
+	dmsDir := filepath.Join(configDir, "dms")
+	if err := os.MkdirAll(dmsDir, 0o755); err != nil {
+		result.Error = fmt.Errorf("failed to create dms directory: %w", err)
+		return result, result.Error
+	}
+
+	var existingConfig string
+	if _, err := os.Stat(result.Path); err == nil {
+		cd.log("Found existing Hyprland configuration")
+
+		existingData, err := os.ReadFile(result.Path)
+		if err != nil {
+			result.Error = fmt.Errorf("failed to read existing config: %w", err)
+			return result, result.Error
+		}
+		existingConfig = string(existingData)
+
+		timestamp := time.Now().Format("2006-01-02_15-04-05")
+		result.BackupPath = result.Path + ".backup." + timestamp
+		if err := os.WriteFile(result.BackupPath, existingData, 0o644); err != nil {
+			result.Error = fmt.Errorf("failed to create backup: %w", err)
+			return result, result.Error
+		}
+		cd.log(fmt.Sprintf("Backed up existing config to %s", result.BackupPath))
+	}
+
+	var terminalCommand string
+	switch terminal {
+	case deps.TerminalGhostty:
+		terminalCommand = "ghostty"
+	case deps.TerminalKitty:
+		terminalCommand = "kitty"
+	case deps.TerminalAlacritty:
+		terminalCommand = "alacritty"
+	default:
+		terminalCommand = "ghostty"
+	}
+
+	newConfig := strings.ReplaceAll(HyprlandConfig, "{{TERMINAL_COMMAND}}", terminalCommand)
+
+	if !useSystemd {
+		newConfig = cd.transformHyprlandConfigForNonSystemd(newConfig, terminalCommand)
+	}
+
+	if existingConfig != "" {
+		mergedConfig, err := cd.mergeHyprlandMonitorSections(newConfig, existingConfig, dmsDir)
+		if err != nil {
+			cd.log(fmt.Sprintf("Warning: Failed to merge monitor sections: %v", err))
+		} else {
+			newConfig = mergedConfig
+			cd.log("Successfully merged existing monitor sections")
+		}
+	}
+
+	if err := os.WriteFile(result.Path, []byte(newConfig), 0o644); err != nil {
+		result.Error = fmt.Errorf("failed to write config: %w", err)
+		return result, result.Error
+	}
+
+	if err := cd.deployHyprlandDmsConfigs(dmsDir, terminalCommand); err != nil {
+		result.Error = fmt.Errorf("failed to deploy dms configs: %w", err)
+		return result, result.Error
+	}
+
+	result.Deployed = true
+	cd.log("Successfully deployed Hyprland configuration")
+	return result, nil
+}
+
+func (cd *ConfigDeployer) deployHyprlandDmsConfigs(dmsDir string, terminalCommand string) error {
+	configs := []struct {
+		name    string
+		content string
+	}{
+		{"colors.conf", HyprColorsConfig},
+		{"layout.conf", HyprLayoutConfig},
+		{"binds.conf", strings.ReplaceAll(HyprBindsConfig, "{{TERMINAL_COMMAND}}", terminalCommand)},
+		{"outputs.conf", ""},
+		{"cursor.conf", ""},
+		{"windowrules.conf", ""},
+	}
+
+	for _, cfg := range configs {
+		path := filepath.Join(dmsDir, cfg.name)
+		// Skip if file already exists and is not empty to preserve user modifications
+		if info, err := os.Stat(path); err == nil && info.Size() > 0 {
+			cd.log(fmt.Sprintf("Skipping %s (already exists)", cfg.name))
+			continue
+		}
+		if err := os.WriteFile(path, []byte(cfg.content), 0o644); err != nil {
+			return fmt.Errorf("failed to write %s: %w", cfg.name, err)
+		}
+		cd.log(fmt.Sprintf("Deployed %s", cfg.name))
+	}
+
+	return nil
+}
+
+func (cd *ConfigDeployer) mergeHyprlandMonitorSections(newConfig, existingConfig, dmsDir string) (string, error) {
+	monitorRegex := regexp.MustCompile(`(?m)^#?\s*monitor\s*=.*$`)
+	existingMonitors := monitorRegex.FindAllString(existingConfig, -1)
+
+	if len(existingMonitors) == 0 {
+		return newConfig, nil
+	}
+
+	outputsPath := filepath.Join(dmsDir, "outputs.conf")
+	if _, err := os.Stat(outputsPath); err != nil {
+		var outputsContent strings.Builder
+		for _, monitor := range existingMonitors {
+			outputsContent.WriteString(monitor)
+			outputsContent.WriteString("\n")
+		}
+		if err := os.WriteFile(outputsPath, []byte(outputsContent.String()), 0o644); err != nil {
+			cd.log(fmt.Sprintf("Warning: Failed to migrate monitors to %s: %v", outputsPath, err))
+		} else {
+			cd.log("Migrated monitor sections to dms/outputs.conf")
+		}
+	}
+
+	exampleMonitorRegex := regexp.MustCompile(`(?m)^# monitor = eDP-2.*$`)
+	mergedConfig := exampleMonitorRegex.ReplaceAllString(newConfig, "")
+
+	monitorHeaderRegex := regexp.MustCompile(`(?m)^# MONITOR CONFIG\n# ==================$`)
+	headerMatch := monitorHeaderRegex.FindStringIndex(mergedConfig)
+
+	if headerMatch == nil {
+		return "", fmt.Errorf("could not find MONITOR CONFIG section")
+	}
+
+	insertPos := headerMatch[1] + 1
+
+	var builder strings.Builder
+	builder.WriteString(mergedConfig[:insertPos])
+	builder.WriteString("# Monitors from existing configuration\n")
+
+	for _, monitor := range existingMonitors {
+		builder.WriteString(monitor)
+		builder.WriteString("\n")
+	}
+
+	builder.WriteString(mergedConfig[insertPos:])
+
+	return builder.String(), nil
+}
+
+func (cd *ConfigDeployer) transformHyprlandConfigForNonSystemd(config, terminalCommand string) string {
+	lines := strings.Split(config, "\n")
+	var result []string
+	startupSectionFound := false
+
+	for _, line := range lines {
+		trimmed := strings.TrimSpace(line)
+		if strings.HasPrefix(trimmed, "exec-once = dbus-update-activation-environment") {
+			continue
+		}
+		if strings.HasPrefix(trimmed, "exec-once = systemctl --user start") {
+			startupSectionFound = true
+			result = append(result, "exec-once = dms run")
+			result = append(result, "env = QT_QPA_PLATFORM,wayland;xcb")
+			result = append(result, "env = ELECTRON_OZONE_PLATFORM_HINT,auto")
+			result = append(result, "env = QT_QPA_PLATFORMTHEME,gtk3")
+			result = append(result, "env = QT_QPA_PLATFORMTHEME_QT6,gtk3")
+			result = append(result, fmt.Sprintf("env = TERMINAL,%s", terminalCommand))
+			continue
+		}
+		result = append(result, line)
+	}
+
+	if !startupSectionFound {
+		for i, line := range result {
+			if strings.Contains(line, "STARTUP APPS") {
+				insertLines := []string{
+					"exec-once = dms run",
+					"env = QT_QPA_PLATFORM,wayland;xcb",
+					"env = ELECTRON_OZONE_PLATFORM_HINT,auto",
+					"env = QT_QPA_PLATFORMTHEME,gtk3",
+					"env = QT_QPA_PLATFORMTHEME_QT6,gtk3",
+					fmt.Sprintf("env = TERMINAL,%s", terminalCommand),
+				}
+				result = append(result[:i+2], append(insertLines, result[i+2:]...)...)
+				break
+			}
+		}
+	}
+
+	return strings.Join(result, "\n")
+}
+
+func (cd *ConfigDeployer) transformNiriConfigForNonSystemd(config, terminalCommand string) string {
+	envVars := fmt.Sprintf(`environment {
+  XDG_CURRENT_DESKTOP "niri"
+  QT_QPA_PLATFORM "wayland;xcb"
+  ELECTRON_OZONE_PLATFORM_HINT "auto"
+  QT_QPA_PLATFORMTHEME "gtk3"
+  QT_QPA_PLATFORMTHEME_QT6 "gtk3"
+  TERMINAL "%s"
+}`, terminalCommand)
+
+	config = regexp.MustCompile(`environment \{[^}]*\}`).ReplaceAllString(config, envVars)
+
+	spawnDms := `spawn-at-startup "dms" "run"`
+	if !strings.Contains(config, spawnDms) {
+		// Insert spawn-at-startup for dms after the environment block
+		envBlockEnd := regexp.MustCompile(`environment \{[^}]*\}`)
+		if loc := envBlockEnd.FindStringIndex(config); loc != nil {
+			config = config[:loc[1]] + "\n" + spawnDms + config[loc[1]:]
+		}
+	}
+
+	return config
+}