package common

// BoolFlag represents a boolean flag that tracks whether it was explicitly set
type BoolFlag interface {
	// Value returns the current boolean value
	Value() bool

	// WasExplicitlySet returns whether the flag was explicitly set
	WasExplicitlySet() bool

	// Set sets the value and marks the flag as explicitly set
	Set(value bool)
}

// boolFlag is the implementation of BoolFlag
type boolFlag struct {
	value            bool
	wasExplicitlySet bool
}

// NewBoolFlag creates a new BoolFlag with default values
func NewBoolFlag(defaultValue bool) BoolFlag {
	return &boolFlag{
		value:            defaultValue,
		wasExplicitlySet: false,
	}
}

// Value returns the current boolean value
func (bf *boolFlag) Value() bool {
	return bf.value
}

// WasExplicitlySet returns whether the flag was explicitly set
func (bf *boolFlag) WasExplicitlySet() bool {
	return bf.wasExplicitlySet
}

// Set sets the value and marks the flag as explicitly set
func (bf *boolFlag) Set(value bool) {
	bf.value = value
	bf.wasExplicitlySet = true
}