package sentio

type Portfolio interface {
	// Get returns Position of the symbol if exists in Portfolio
	Get(symbol string) (Position, bool)

	// Positions returns each Position we have in Portfolio
	Positions() []Position
}

type PortfolioStub []PositionStub

func (p PortfolioStub) Get(symbol string) (Position, bool) {
	for _, stub := range p {
		if symbol == stub.Symbol {
			return stub, true
		}
	}

	return nil, false
}

func (p PortfolioStub) Positions() []Position {
	var positions []Position
	for _, stub := range p {
		positions = append(positions, stub)
	}

	return positions
}

func NewPortfolioStub(elem ...PositionStub) Portfolio {
	var p PortfolioStub
	p = append(p, elem...)
	return p
}