Refactored, added comprehensive testing.

config/types.go

@@ -0,0 +1,71 @@
+package config
+
+type APIProtocol int
+
+const (
+	ProtocolOpenAI APIProtocol = iota
+	ProtocolOllama
+)
+
+type ConfigData struct {
+	// Input
+	FilePaths   []string
+	PromptFlags []string
+	PromptPaths []string
+	StdinAsFile bool
+
+	// System
+	SystemPrompt string
+
+	// API
+	Protocol APIProtocol
+	URL      string
+	APIKey   string
+
+	// Models
+	Model          string
+	FallbackModels []string
+
+	// Output
+	Output  string
+	Quiet   bool
+	Verbose bool
+}
+
+type flagValues struct {
+	files      []string
+	prompts    []string
+	promptFile string
+	system     string
+	systemFile string
+	key        string
+	keyFile    string
+	protocol   string
+	url        string
+	model      string
+	fallback   string
+	output     string
+	config     string
+	stdinFile  bool
+	quiet      bool
+	verbose    bool
+	version    bool
+}
+
+type envValues struct {
+	protocol string
+	url      string
+	key      string
+	model    string
+	fallback string
+	system   string
+}
+
+type fileValues struct {
+	protocol   string
+	url        string
+	keyFile    string
+	model      string
+	fallback   string
+	systemFile string
+}