discordo-plus/internal/config/config.go

package config

import (
	"log/slog"
	"os"
	"path/filepath"
	"time"

	"github.com/BurntSushi/toml"
)

const Name = "discordo"

type Config struct {
	Mouse            bool `toml:"mouse"`
	HideBlockedUsers bool `toml:"hide_blocked_users"`

	MessagesLimit uint8  `toml:"messages_limit"`
	Editor        string `toml:"editor"`

	Timestamps       bool   `toml:"timestamps"`
	TimestampsFormat string `toml:"timestamps_format"`

	ShowAttachmentLinks bool `toml:"show_attachment_links"`

	Keys  Keys  `toml:"keys"`
	Theme Theme `toml:"theme"`
}

func defaultConfig() *Config {
	return &Config{
		Mouse:            true,
		HideBlockedUsers: true,
		MessagesLimit:    50,
		Editor:           "default",

		Timestamps:       false,
		TimestampsFormat: time.Kitchen,

		ShowAttachmentLinks: true,

		Keys:  defaultKeys(),
		Theme: defaultTheme(),
	}
}

// Reads the configuration file and parses it.
func Load() (*Config, error) {
	path, err := os.UserConfigDir()
	if err != nil {
		slog.Info("user configuration directory path cannot be determined; falling back to the current directory path")
		path = "."
	}

	path = filepath.Join(path, Name, "config.toml")
	f, err := os.Open(path)

	cfg := defaultConfig()
	if os.IsNotExist(err) {
		slog.Info("the configuration file does not exist, falling back to the default configuration", "path", path, "err", err)
		return cfg, nil
	}

	if err != nil {
		return nil, err
	}
	defer f.Close()

	if _, err := toml.NewDecoder(f).Decode(&cfg); err != nil {
		return nil, err
	}

	return cfg, nil
}