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package internal
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
)
type ConfigManager struct {
config *Config
path string
}
func NewConfigManager() (*ConfigManager, error) {
home, err := os.UserHomeDir()
if err != nil {
return nil, err
}
dir := filepath.Join(home, ".config", "zmk-battman")
path := filepath.Join(dir, "config.json")
if err := os.MkdirAll(dir, 0755); err != nil {
return nil, err
}
cm := &ConfigManager{
path: path,
config: &Config{
UpdateInterval: 30,
LowBatteryThreshold: 20,
ShowNotifications: true,
},
}
cm.Load()
return cm, nil
}
func (cm *ConfigManager) Load() error {
data, err := os.ReadFile(cm.path)
if err != nil {
return nil // Use defaults if file doesn't exist
}
return json.Unmarshal(data, cm.config)
}
func (cm *ConfigManager) Save() error {
data, err := json.MarshalIndent(cm.config, "", " ")
if err != nil {
return err
}
return os.WriteFile(cm.path, data, 0644)
}
func (cm *ConfigManager) SetDevice(name, address string) {
cm.config.Name = name
cm.config.Address = address
}
func (cm *ConfigManager) SetInterval(interval int) {
if interval >= 5 && interval <= 300 {
cm.config.UpdateInterval = interval
}
}
func (cm *ConfigManager) SetLowBatteryThreshold(threshold int) {
if threshold >= 5 && threshold <= 50 {
cm.config.LowBatteryThreshold = threshold
}
}
func (cm *ConfigManager) SetNotifications(enabled bool) {
cm.config.ShowNotifications = enabled
}
func (cm *ConfigManager) IsConfigured() bool {
return cm.config.Address != ""
}
func (cm *ConfigManager) Get() *Config {
return cm.config
}
func (cm *ConfigManager) Print() {
fmt.Printf("Configuration:\n")
fmt.Printf(" Device: %s (%s)\n", cm.config.Name, cm.config.Address)
fmt.Printf(" Update interval: %d seconds\n", cm.config.UpdateInterval)
fmt.Printf(" Low battery threshold: %d%%\n", cm.config.LowBatteryThreshold)
fmt.Printf(" Notifications: %v\n", cm.config.ShowNotifications)
fmt.Printf(" Config file: %s\n", cm.path)
}
func (cm *ConfigManager) InitWithDefaults() error {
home, err := os.UserHomeDir()
if err != nil {
return err
}
dir := filepath.Join(home, ".config", "zmk-battman")
cm.path = filepath.Join(dir, "config.json")
if err := os.MkdirAll(dir, 0755); err != nil {
return err
}
cm.config = &Config{
UpdateInterval: 30,
LowBatteryThreshold: 20,
ShowNotifications: true,
}
return nil
}
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