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package config
import (
"bufio"
"fmt"
"log/slog"
"os"
"github.com/BurntSushi/toml"
)
type Config struct {
Theme string `toml:"Theme"`
Provider string `toml:"Provider"`
Model string `toml:"Model"`
}
// NewConfig creates a new Config instance with default values.
// This can be useful for initializing a new configuration file.
func NewConfig(theme, provider, model string) *Config {
return &Config{
Theme: theme,
Provider: provider,
Model: model,
}
}
// SaveConfig writes the provided Config struct to the specified TOML file.
// It will create the file if it doesn't exist, or overwrite it if it does.
func SaveConfig(filePath string, config *Config) error {
file, err := os.Create(filePath)
if err != nil {
return fmt.Errorf("failed to create/open config file %s: %w", filePath, err)
}
defer file.Close()
writer := bufio.NewWriter(file)
encoder := toml.NewEncoder(writer)
if err := encoder.Encode(config); err != nil {
return fmt.Errorf("failed to encode config to TOML file %s: %w", filePath, err)
}
if err := writer.Flush(); err != nil {
return fmt.Errorf("failed to flush writer for config file %s: %w", filePath, err)
}
slog.Debug("Configuration saved to file", "file", filePath)
return nil
}
// LoadConfig reads a Config struct from the specified TOML file.
// It returns a pointer to the Config struct and an error if any issues occur.
func LoadConfig(filePath string) (*Config, error) {
var config Config
if _, err := toml.DecodeFile(filePath, &config); err != nil {
if _, statErr := os.Stat(filePath); os.IsNotExist(statErr) {
return nil, fmt.Errorf("config file not found at %s: %w", filePath, statErr)
}
return nil, fmt.Errorf("failed to decode TOML from file %s: %w", filePath, err)
}
return &config, nil
}
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