package response

import (
	"enaklo-pos-be/internal/entity"
	"time"
)

type CashierSessionResponse struct {
	ID            int64      `json:"id"`
	PartnerID     int64      `json:"partner_id"`
	CashierID     int64      `json:"cashier_id"`
	OpenedAt      time.Time  `json:"opened_at"`
	ClosedAt      *time.Time `json:"closed_at,omitempty"`
	OpeningAmount float64    `json:"opening_amount"`
	ClosingAmount *float64   `json:"closing_amount,omitempty"`
	Status        string     `json:"status"`
}

type PaymentSummaryResponse struct {
	PaymentType     string  `json:"payment_type"`
	PaymentProvider string  `json:"payment_provider"`
	TotalAmount     float64 `json:"total_amount"`
}

type CashierSessionReportResponse struct {
	SessionID      int64                    `json:"session_id"`
	ExpectedAmount float64                  `json:"expected_amount"`
	ClosingAmount  float64                  `json:"closing_amount"`
	Payments       []PaymentSummaryResponse `json:"payments"`
}

func MapToCashierSessionResponse(e *entity.CashierSession) *CashierSessionResponse {
	if e == nil {
		return nil
	}

	return &CashierSessionResponse{
		ID:            e.ID,
		PartnerID:     e.PartnerID,
		CashierID:     e.CashierID,
		OpenedAt:      e.OpenedAt,
		ClosedAt:      e.ClosedAt,
		OpeningAmount: e.OpeningAmount,
		ClosingAmount: e.ClosingAmount,
		Status:        e.Status,
	}
}

func MapToCashierSessionReport(e *entity.CashierSessionReport) *CashierSessionReportResponse {
	payments := make([]PaymentSummaryResponse, len(e.Payments))
	for i, p := range e.Payments {
		payments[i] = PaymentSummaryResponse{
			PaymentType:     p.PaymentType,
			PaymentProvider: p.PaymentProvider,
			TotalAmount:     p.TotalAmount,
		}
	}
	return &CashierSessionReportResponse{
		SessionID:      e.SessionID,
		ExpectedAmount: e.ExpectedAmount,
		ClosingAmount:  e.ClosingAmount,
		Payments:       payments,
	}
}