init

internal/config/config.go

@@ -0,0 +1,77 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"gopkg.in/yaml.v3"
+)
+
+type Config struct {
+	ServerName        string        `yaml:"server_name"`
+	DiscordWebhookURL string        `yaml:"discord_webhook_url"`
+	NotifyRoleID      string        `yaml:"notify_role_id"`
+	RequestTimeout    time.Duration `yaml:"request_timeout"`
+	Backup            Backup        `yaml:"backup"`
+}
+
+type Backup struct {
+	Interval   time.Duration `yaml:"interval"`
+	SourceFile string        `yaml:"source_file"`
+	OutputDir  string        `yaml:"output_dir"`
+	FilePrefix string        `yaml:"file_prefix"`
+}
+
+func Load(path string) (Config, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return Config{}, err
+	}
+
+	var cfg Config
+	if err := yaml.Unmarshal(data, &cfg); err != nil {
+		return Config{}, err
+	}
+
+	applyDefaults(&cfg)
+	if err := cfg.Validate(); err != nil {
+		return Config{}, err
+	}
+
+	return cfg, nil
+}
+
+func applyDefaults(cfg *Config) {
+	if cfg.RequestTimeout == 0 {
+		cfg.RequestTimeout = 10 * time.Second
+	}
+	if cfg.Backup.Interval == 0 {
+		cfg.Backup.Interval = 24 * time.Hour
+	}
+	if cfg.Backup.FilePrefix == "" {
+		cfg.Backup.FilePrefix = "db"
+	}
+}
+
+func (cfg Config) Validate() error {
+	if cfg.ServerName == "" {
+		return fmt.Errorf("server_name is required")
+	}
+	if cfg.DiscordWebhookURL == "" {
+		return fmt.Errorf("discord_webhook_url is required")
+	}
+	if cfg.Backup.Interval <= 0 {
+		return fmt.Errorf("backup.interval must be > 0")
+	}
+	if cfg.Backup.SourceFile == "" {
+		return fmt.Errorf("backup.source_file is required")
+	}
+	if cfg.Backup.OutputDir == "" {
+		return fmt.Errorf("backup.output_dir is required")
+	}
+	if cfg.Backup.FilePrefix == "" {
+		return fmt.Errorf("backup.file_prefix is required")
+	}
+	return nil
+}