package models

import (
	"time"

	"github.com/google/uuid"
)

// AdminWalletTrace is GET /marketing/wallet-transactions/:id/trace
// (docs/prd-point-coin.md F7, §8.1): the lots a ledger row took from or created, and
// where each of them came from, lot by lot, back to the lot that first brought the
// balance into a wallet. It follows balance across transfers, exchanges and refunds.
type AdminWalletTrace struct {
	Transaction AdminWalletTraceRow `json:"transaction"`
	// One per lot the row took from (a debit) or created (a credit).
	Lots []AdminWalletTraceLot `json:"lots"`
}

// AdminWalletTraceLot is how much of a row went through one lot, and that lot's chain.
type AdminWalletTraceLot struct {
	Amount int64 `json:"amount"`
	// The lot itself first, then the lot it was carried over from, and so on. The
	// last step is the lot an EARN, ADJUSTMENT or MIGRATION created.
	Chain []AdminWalletTraceStep `json:"chain"`
}

// AdminWalletTraceStep is one lot on a chain and the row that created it.
type AdminWalletTraceStep struct {
	Lot    AdminWalletLot      `json:"lot"`
	Source AdminWalletTraceRow `json:"source"`
}

// AdminWalletTraceRow is a ledger row as a trace shows it, with the real name of the
// customer it belongs to.
type AdminWalletTraceRow struct {
	ID            uuid.UUID           `json:"id"`
	Customer      AdminWalletNamedRef `json:"customer"`
	Currency      string              `json:"currency"`
	Type          string              `json:"type"`
	Amount        int64               `json:"amount"`
	Description   string              `json:"description"`
	ReferenceType string              `json:"reference_type"`
	ReferenceID   uuid.UUID           `json:"reference_id"`
	OutletID      *uuid.UUID          `json:"outlet_id,omitempty"`
	CreatedAt     time.Time           `json:"created_at"`
}