add: add types and config package

internal/config/config.go

@@ -0,0 +1,76 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"gopkg.in/yaml.v3"
+	"videnc-vibe/pkg/types"
+)
+
+const (
+	appName    = "videnc-vibe"
+	configName = "config.yaml"
+)
+
+func Load(configPath string) (*types.Config, error) {
+	var configFile string
+
+	if configPath != "" {
+		configFile = configPath
+	} else {
+		homeDir, err := os.UserHomeDir()
+		if err != nil {
+			return nil, fmt.Errorf("getting home directory: %w", err)
+		}
+		configFile = filepath.Join(homeDir, ".config", appName, configName)
+	}
+
+	data, err := os.ReadFile(configFile)
+	if err != nil {
+		return nil, fmt.Errorf("reading config file %s: %w", configFile, err)
+	}
+
+	var cfg types.Config
+	if err := yaml.Unmarshal(data, &cfg); err != nil {
+		return nil, fmt.Errorf("parsing config file: %w", err)
+	}
+
+	if cfg.Paths.Input == "" {
+		cfg.Paths.Input = "./input"
+	}
+	if cfg.Paths.Output == "" {
+		cfg.Paths.Output = "./output"
+	}
+	if cfg.Paths.Originals == "" {
+		cfg.Paths.Originals = "./originals"
+	}
+	if cfg.Paths.Failed == "" {
+		cfg.Paths.Failed = "./failed"
+	}
+	if cfg.Encoding.DVD.CRF == 0 {
+		cfg.Encoding.DVD.CRF = 30
+	}
+	if cfg.Encoding.DVD.Preset == 0 {
+		cfg.Encoding.DVD.Preset = 2
+	}
+	if cfg.Encoding.Bluray.CRF == 0 {
+		cfg.Encoding.Bluray.CRF = 29
+	}
+	if cfg.Encoding.Bluray.Preset == 0 {
+		cfg.Encoding.Bluray.Preset = 3
+	}
+
+	return &cfg, nil
+}
+
+func EnsureDirs(cfg *types.Config) error {
+	dirs := []string{cfg.Paths.Input, cfg.Paths.Output, cfg.Paths.Originals, cfg.Paths.Failed}
+	for _, dir := range dirs {
+		if err := os.MkdirAll(dir, 0755); err != nil {
+			return fmt.Errorf("creating directory %s: %w", dir, err)
+		}
+	}
+	return nil
+}