config

type Loader interface {
	// Load loads configuration from all sources and validates it
	// Returns a Provider interface for accessing the configuration
	// If loading fails, returns an error with appropriate context
	Load(ctx context.Context, opts ...Option) (Provider, error)

	// Validate checks if the current configuration is valid
	// Returns nil if valid, error with validation details otherwise
	Validate() error
}

type LogLevel string

type Option func(*options) error

type Provider interface {
	// GetInterval returns the update interval in seconds
	GetInterval() int

	// GetTemperature returns the maximum allowed temperature in Celsius
	GetTemperature() int

	// GetFanSpeed returns the maximum allowed fan speed percentage
	GetFanSpeed() int

	// GetHysteresis returns the required temperature change before adjusting fan speed
	GetHysteresis() int

	// IsPerformanceMode returns whether performance mode is enabled
	IsPerformanceMode() bool

	// IsMonitorMode returns whether monitor-only mode is enabled
	IsMonitorMode() bool

	// GetLogLevel returns the configured logging level
	GetLogLevel() string

	// IsMetricsEnabled returns whether metrics collection is enabled
	IsMetricsEnabled() bool

	// GetMetricsDBPath returns the path to the metrics database
	GetMetricsDBPath() string
}

type Status struct {
	// Valid indicates whether the current configuration is valid
	Valid bool
	// ValidationErrors contains any validation errors if Valid is false
	ValidationErrors []ValidationError
}

type ValidationError interface {
	error
	// Field returns the name of the invalid field
	Field() string
	// Value returns the invalid value
	Value() interface{}
	// Reason returns why the value is invalid
	Reason() string
}

type Watcher interface {
	// Watch starts watching for configuration changes
	// The callback is called when configuration changes are detected
	Watch(ctx context.Context, callback func(Provider)) error
}