package eform

import "time"

// =====================================================
// LOT RESULT STRUCTURE
// =====================================================

// LotResult represents the outcome of lot procurement
type LotResult struct {
	ID                    string           `json:"id" xml:"id" validate:"required,resIDFormat"`
	Status                ResultStatus     `json:"status" xml:"status" validate:"required"`
	StatusDescription     string           `json:"status_description,omitempty" xml:"status_description,omitempty" validate:"max=10000"`
	DecisionDate          *time.Time       `json:"decision_date,omitempty" xml:"decision_date,omitempty"`
	TendersReceived       int              `json:"tenders_received" xml:"tenders_received" validate:"min=0"`
	TendersSME            int              `json:"tenders_sme" xml:"tenders_sme" validate:"min=0"`
	TendersElectronic     int              `json:"tenders_electronic" xml:"tenders_electronic" validate:"min=0"`
	TendersOtherEU        int              `json:"tenders_other_eu" xml:"tenders_other_eu" validate:"min=0"`
	TendersNonEU          int              `json:"tenders_non_eu" xml:"tenders_non_eu" validate:"min=0"`
	AwardedValue          *Money           `json:"awarded_value,omitempty" xml:"awarded_value,omitempty"`
	SubcontractingShare   *float64         `json:"subcontracting_share,omitempty" xml:"subcontracting_share,omitempty" validate:"omitempty,min=0,max=100"`
	SubcontractingValue   *Money           `json:"subcontracting_value,omitempty" xml:"subcontracting_value,omitempty"`
	ConcessionRevenue     *Money           `json:"concession_revenue,omitempty" xml:"concession_revenue,omitempty"`
	Tenders               []Tender         `json:"tenders,omitempty" xml:"tenders,omitempty" validate:"dive"`
	SettledContract       *SettledContract `json:"settled_contract,omitempty" xml:"settled_contract,omitempty"`
	NonAwardJustification string           `json:"non_award_justification,omitempty" xml:"non_award_justification,omitempty" validate:"max=10000"`
}

// ResultStatus represents the lot result status
type ResultStatus string

const (
	ResultOpen        ResultStatus = "open"
	ResultClose       ResultStatus = "close"
	ResultWinner      ResultStatus = "winn"
	ResultNoWinner    ResultStatus = "no-winn"
	ResultSelected    ResultStatus = "selec"
	ResultClosedNoWin ResultStatus = "clos-nw"
)

// HasWinner checks if lot has a winning tender
func (lr *LotResult) HasWinner() bool {
	return lr.Status == ResultWinner
}

// GetWinningTender returns the winning tender if exists
func (lr *LotResult) GetWinningTender() *Tender {
	for i := range lr.Tenders {
		if lr.Tenders[i].IsWinner {
			return &lr.Tenders[i]
		}
	}
	return nil
}