599 lines
16 KiB
Go
599 lines
16 KiB
Go
package tui
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import (
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"fmt"
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"path/filepath"
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"strconv"
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"strings"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/charmbracelet/lipgloss"
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"dbbackup/internal/config"
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"dbbackup/internal/logger"
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)
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var (
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headerStyle = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("99")).Padding(1, 2)
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inputStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("212"))
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buttonStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("15")).Background(lipgloss.Color("57")).Padding(0, 2)
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selectedStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("212")).Background(lipgloss.Color("57")).Bold(true)
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detailStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("240")).Italic(true)
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)
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// SettingsModel represents the settings configuration state
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type SettingsModel struct {
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config *config.Config
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logger logger.Logger
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cursor int
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editing bool
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editingField string
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editingValue string
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settings []SettingItem
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quitting bool
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message string
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parent tea.Model
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dirBrowser *DirectoryBrowser
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browsingDir bool
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}
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// SettingItem represents a configurable setting
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type SettingItem struct {
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Key string
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DisplayName string
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Value func(*config.Config) string
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Update func(*config.Config, string) error
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Type string // "string", "int", "bool", "path"
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Description string
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}
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// Initialize settings model
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func NewSettingsModel(cfg *config.Config, log logger.Logger, parent tea.Model) SettingsModel {
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settings := []SettingItem{
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{
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Key: "database_type",
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DisplayName: "Database Type",
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Value: func(c *config.Config) string { return c.DatabaseType },
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Update: func(c *config.Config, v string) error {
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return c.SetDatabaseType(v)
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},
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Type: "string",
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Description: "Target database engine (postgres, mysql, mariadb)",
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},
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{
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Key: "backup_dir",
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DisplayName: "Backup Directory",
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Value: func(c *config.Config) string { return c.BackupDir },
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Update: func(c *config.Config, v string) error {
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if v == "" {
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return fmt.Errorf("backup directory cannot be empty")
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}
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c.BackupDir = filepath.Clean(v)
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return nil
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},
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Type: "path",
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Description: "Directory where backup files will be stored",
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},
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{
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Key: "compression_level",
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DisplayName: "Compression Level",
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Value: func(c *config.Config) string { return fmt.Sprintf("%d", c.CompressionLevel) },
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Update: func(c *config.Config, v string) error {
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val, err := strconv.Atoi(v)
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if err != nil {
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return fmt.Errorf("compression level must be a number")
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}
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if val < 0 || val > 9 {
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return fmt.Errorf("compression level must be between 0-9")
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}
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c.CompressionLevel = val
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return nil
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},
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Type: "int",
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Description: "Compression level (0=fastest, 9=smallest)",
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},
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{
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Key: "jobs",
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DisplayName: "Parallel Jobs",
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Value: func(c *config.Config) string { return fmt.Sprintf("%d", c.Jobs) },
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Update: func(c *config.Config, v string) error {
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val, err := strconv.Atoi(v)
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if err != nil {
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return fmt.Errorf("jobs must be a number")
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}
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if val < 1 {
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return fmt.Errorf("jobs must be at least 1")
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}
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c.Jobs = val
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return nil
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},
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Type: "int",
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Description: "Number of parallel jobs for backup operations",
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},
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{
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Key: "dump_jobs",
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DisplayName: "Dump Jobs",
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Value: func(c *config.Config) string { return fmt.Sprintf("%d", c.DumpJobs) },
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Update: func(c *config.Config, v string) error {
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val, err := strconv.Atoi(v)
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if err != nil {
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return fmt.Errorf("dump jobs must be a number")
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}
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if val < 1 {
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return fmt.Errorf("dump jobs must be at least 1")
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}
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c.DumpJobs = val
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return nil
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},
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Type: "int",
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Description: "Number of parallel jobs for database dumps",
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},
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{
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Key: "host",
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DisplayName: "Database Host",
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Value: func(c *config.Config) string { return c.Host },
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Update: func(c *config.Config, v string) error {
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if v == "" {
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return fmt.Errorf("host cannot be empty")
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}
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c.Host = v
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return nil
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},
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Type: "string",
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Description: "Database server hostname or IP address",
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},
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{
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Key: "port",
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DisplayName: "Database Port",
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Value: func(c *config.Config) string { return fmt.Sprintf("%d", c.Port) },
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Update: func(c *config.Config, v string) error {
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val, err := strconv.Atoi(v)
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if err != nil {
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return fmt.Errorf("port must be a number")
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}
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if val < 1 || val > 65535 {
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return fmt.Errorf("port must be between 1-65535")
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}
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c.Port = val
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return nil
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},
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Type: "int",
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Description: "Database server port number",
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},
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{
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Key: "user",
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DisplayName: "Database User",
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Value: func(c *config.Config) string { return c.User },
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Update: func(c *config.Config, v string) error {
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if v == "" {
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return fmt.Errorf("user cannot be empty")
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}
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c.User = v
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return nil
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},
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Type: "string",
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Description: "Database username for connections",
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},
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{
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Key: "database",
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DisplayName: "Default Database",
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Value: func(c *config.Config) string { return c.Database },
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Update: func(c *config.Config, v string) error {
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c.Database = v // Can be empty for cluster operations
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return nil
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},
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Type: "string",
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Description: "Default database name (optional)",
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},
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{
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Key: "ssl_mode",
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DisplayName: "SSL Mode",
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Value: func(c *config.Config) string { return c.SSLMode },
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Update: func(c *config.Config, v string) error {
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validModes := []string{"disable", "allow", "prefer", "require", "verify-ca", "verify-full"}
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for _, mode := range validModes {
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if v == mode {
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c.SSLMode = v
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return nil
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}
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}
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return fmt.Errorf("invalid SSL mode. Valid options: %s", strings.Join(validModes, ", "))
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},
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Type: "string",
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Description: "SSL connection mode (disable, allow, prefer, require, verify-ca, verify-full)",
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},
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{
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Key: "auto_detect_cores",
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DisplayName: "Auto Detect CPU Cores",
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Value: func(c *config.Config) string {
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if c.AutoDetectCores {
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return "true"
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} else {
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return "false"
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}
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},
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Update: func(c *config.Config, v string) error {
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val, err := strconv.ParseBool(v)
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if err != nil {
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return fmt.Errorf("must be true or false")
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}
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c.AutoDetectCores = val
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return nil
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},
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Type: "bool",
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Description: "Automatically detect and optimize for CPU cores",
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},
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}
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return SettingsModel{
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config: cfg,
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logger: log,
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settings: settings,
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parent: parent,
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}
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}
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// Init initializes the settings model
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func (m SettingsModel) Init() tea.Cmd {
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return nil
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}
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// Update handles messages
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func (m SettingsModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
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switch msg := msg.(type) {
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case tea.KeyMsg:
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// Handle directory browsing mode
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if m.browsingDir && m.dirBrowser != nil {
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switch msg.String() {
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case "esc":
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m.browsingDir = false
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m.dirBrowser.Hide()
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return m, nil
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case "up", "k":
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m.dirBrowser.Navigate(-1)
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return m, nil
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case "down", "j":
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m.dirBrowser.Navigate(1)
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return m, nil
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case "enter", "right", "l":
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m.dirBrowser.Enter()
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return m, nil
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case "left", "h":
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// Go up one level (same as selecting ".." and entering)
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parentPath := filepath.Dir(m.dirBrowser.CurrentPath)
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if parentPath != m.dirBrowser.CurrentPath { // Avoid infinite loop at root
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m.dirBrowser.CurrentPath = parentPath
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m.dirBrowser.LoadItems()
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}
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return m, nil
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case " ":
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// Select current directory
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selectedPath := m.dirBrowser.Select()
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if m.cursor < len(m.settings) {
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setting := m.settings[m.cursor]
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if err := setting.Update(m.config, selectedPath); err != nil {
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m.message = "❌ Error: " + err.Error()
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} else {
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m.message = "✅ Directory updated: " + selectedPath
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}
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}
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m.browsingDir = false
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m.dirBrowser.Hide()
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return m, nil
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case "tab":
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// Toggle back to settings
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m.browsingDir = false
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m.dirBrowser.Hide()
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return m, nil
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}
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return m, nil
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}
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if m.editing {
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return m.handleEditingInput(msg)
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}
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switch msg.String() {
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case "ctrl+c", "q", "esc":
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m.quitting = true
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return m.parent, nil
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case "up", "k":
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if m.cursor > 0 {
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m.cursor--
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}
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case "down", "j":
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if m.cursor < len(m.settings)-1 {
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m.cursor++
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}
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case "enter", " ":
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return m.startEditing()
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case "tab":
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// Directory browser for path fields
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if m.cursor >= 0 && m.cursor < len(m.settings) {
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if m.settings[m.cursor].Type == "path" {
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return m.openDirectoryBrowser()
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} else {
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m.message = "❌ Tab key only works on directory path fields"
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return m, nil
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}
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} else {
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m.message = "❌ Invalid selection"
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return m, nil
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}
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case "r":
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return m.resetToDefaults()
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case "s":
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return m.saveSettings()
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}
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}
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return m, nil
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}
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// handleEditingInput handles input when editing a setting
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func (m SettingsModel) handleEditingInput(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
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switch msg.String() {
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case "ctrl+c":
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m.quitting = true
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return m.parent, nil
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case "esc":
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m.editing = false
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m.editingField = ""
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m.editingValue = ""
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m.message = ""
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return m, nil
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case "enter":
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return m.saveEditedValue()
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case "backspace":
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if len(m.editingValue) > 0 {
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m.editingValue = m.editingValue[:len(m.editingValue)-1]
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}
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default:
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// Add character to editing value
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if len(msg.String()) == 1 {
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m.editingValue += msg.String()
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}
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}
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return m, nil
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}
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// startEditing begins editing a setting
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func (m SettingsModel) startEditing() (tea.Model, tea.Cmd) {
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if m.cursor >= len(m.settings) {
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return m, nil
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}
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setting := m.settings[m.cursor]
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m.editing = true
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m.editingField = setting.Key
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m.editingValue = setting.Value(m.config)
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m.message = ""
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return m, nil
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}
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// saveEditedValue saves the currently edited value
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func (m SettingsModel) saveEditedValue() (tea.Model, tea.Cmd) {
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if m.editingField == "" {
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return m, nil
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}
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// Find the setting being edited
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var setting *SettingItem
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for i := range m.settings {
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if m.settings[i].Key == m.editingField {
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setting = &m.settings[i]
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break
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}
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}
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if setting == nil {
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m.message = errorStyle.Render("❌ Setting not found")
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m.editing = false
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return m, nil
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}
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// Update the configuration
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if err := setting.Update(m.config, m.editingValue); err != nil {
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m.message = errorStyle.Render(fmt.Sprintf("❌ %s", err.Error()))
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return m, nil
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}
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m.message = successStyle.Render(fmt.Sprintf("✅ Updated %s", setting.DisplayName))
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m.editing = false
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m.editingField = ""
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m.editingValue = ""
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return m, nil
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}
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// resetToDefaults resets configuration to default values
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func (m SettingsModel) resetToDefaults() (tea.Model, tea.Cmd) {
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newConfig := config.New()
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// Copy important connection details
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newConfig.Host = m.config.Host
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newConfig.Port = m.config.Port
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newConfig.User = m.config.User
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newConfig.Database = m.config.Database
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newConfig.DatabaseType = m.config.DatabaseType
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*m.config = *newConfig
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m.message = successStyle.Render("✅ Settings reset to defaults")
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return m, nil
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}
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// saveSettings validates and saves current settings
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func (m SettingsModel) saveSettings() (tea.Model, tea.Cmd) {
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if err := m.config.Validate(); err != nil {
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m.message = errorStyle.Render(fmt.Sprintf("❌ Validation failed: %s", err.Error()))
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return m, nil
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}
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// Optimize CPU settings if auto-detect is enabled
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if m.config.AutoDetectCores {
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if err := m.config.OptimizeForCPU(); err != nil {
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m.message = errorStyle.Render(fmt.Sprintf("❌ CPU optimization failed: %s", err.Error()))
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return m, nil
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}
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}
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m.message = successStyle.Render("✅ Settings validated and saved")
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return m, nil
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}
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// View renders the settings interface
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func (m SettingsModel) View() string {
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if m.quitting {
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return "Returning to main menu...\n"
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}
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var b strings.Builder
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// Header
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header := titleStyle.Render("⚙️ Configuration Settings")
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b.WriteString(fmt.Sprintf("\n%s\n\n", header))
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// Settings list
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for i, setting := range m.settings {
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cursor := " "
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value := setting.Value(m.config)
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displayValue := value
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if setting.Key == "database_type" {
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displayValue = fmt.Sprintf("%s (%s)", value, m.config.DisplayDatabaseType())
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}
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if m.cursor == i {
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cursor = ">"
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if m.editing && m.editingField == setting.Key {
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// Show editing interface
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editValue := m.editingValue
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if setting.Type == "bool" {
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editValue += " (true/false)"
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}
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line := fmt.Sprintf("%s %s: %s", cursor, setting.DisplayName, editValue)
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b.WriteString(selectedStyle.Render(line))
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b.WriteString(" ✏️")
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} else {
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line := fmt.Sprintf("%s %s: %s", cursor, setting.DisplayName, displayValue)
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b.WriteString(selectedStyle.Render(line))
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}
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} else {
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line := fmt.Sprintf("%s %s: %s", cursor, setting.DisplayName, displayValue)
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b.WriteString(menuStyle.Render(line))
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}
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b.WriteString("\n")
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// Show description for selected item
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if m.cursor == i && !m.editing {
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desc := detailStyle.Render(fmt.Sprintf(" %s", setting.Description))
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b.WriteString(desc)
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b.WriteString("\n")
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}
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// Show directory browser for current path field
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if m.cursor == i && m.browsingDir && m.dirBrowser != nil && setting.Type == "path" {
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b.WriteString("\n")
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browserView := m.dirBrowser.Render()
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b.WriteString(browserView)
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b.WriteString("\n")
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}
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}
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// Message area
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if m.message != "" {
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b.WriteString("\n")
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b.WriteString(m.message)
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b.WriteString("\n")
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}
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// Current configuration summary
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if !m.editing {
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b.WriteString("\n")
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b.WriteString(infoStyle.Render("📋 Current Configuration:"))
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b.WriteString("\n")
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summary := []string{
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fmt.Sprintf("Target DB: %s (%s)", m.config.DisplayDatabaseType(), m.config.DatabaseType),
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fmt.Sprintf("Database: %s@%s:%d", m.config.User, m.config.Host, m.config.Port),
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fmt.Sprintf("Backup Dir: %s", m.config.BackupDir),
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fmt.Sprintf("Compression: Level %d", m.config.CompressionLevel),
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fmt.Sprintf("Jobs: %d parallel, %d dump", m.config.Jobs, m.config.DumpJobs),
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}
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for _, line := range summary {
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b.WriteString(detailStyle.Render(fmt.Sprintf(" %s", line)))
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b.WriteString("\n")
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}
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}
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// Footer with instructions
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var footer string
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if m.editing {
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footer = infoStyle.Render("\n⌨️ Type new value • Enter to save • Esc to cancel")
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} else {
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if m.browsingDir {
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footer = infoStyle.Render("\n⌨️ ↑/↓ navigate directories • Enter open • Space select • Tab/Esc back to settings")
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} else {
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// Show different help based on current selection
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if m.cursor >= 0 && m.cursor < len(m.settings) && m.settings[m.cursor].Type == "path" {
|
||
footer = infoStyle.Render("\n⌨️ ↑/↓ navigate • Enter edit • Tab browse directories • 's' save • 'r' reset • 'q' menu")
|
||
} else {
|
||
footer = infoStyle.Render("\n⌨️ ↑/↓ navigate • Enter edit • 's' save • 'r' reset • 'q' menu • Tab=dirs on path fields only")
|
||
}
|
||
}
|
||
}
|
||
b.WriteString(footer)
|
||
|
||
return b.String()
|
||
}
|
||
|
||
func (m SettingsModel) openDirectoryBrowser() (tea.Model, tea.Cmd) {
|
||
if m.cursor >= len(m.settings) {
|
||
return m, nil
|
||
}
|
||
|
||
setting := m.settings[m.cursor]
|
||
currentValue := setting.Value(m.config)
|
||
if currentValue == "" {
|
||
currentValue = "/tmp"
|
||
}
|
||
|
||
if m.dirBrowser == nil {
|
||
m.dirBrowser = NewDirectoryBrowser(currentValue)
|
||
} else {
|
||
// Update the browser to start from the current value
|
||
m.dirBrowser.CurrentPath = currentValue
|
||
m.dirBrowser.LoadItems()
|
||
}
|
||
|
||
m.dirBrowser.Show()
|
||
m.browsingDir = true
|
||
|
||
return m, nil
|
||
}
|
||
|
||
// RunSettingsMenu starts the settings configuration interface
|
||
func RunSettingsMenu(cfg *config.Config, log logger.Logger, parent tea.Model) error {
|
||
m := NewSettingsModel(cfg, log, parent)
|
||
p := tea.NewProgram(m, tea.WithAltScreen())
|
||
|
||
if _, err := p.Run(); err != nil {
|
||
return fmt.Errorf("error running settings menu: %w", err)
|
||
}
|
||
|
||
return nil
|
||
}
|