package entities

import (
	"time"

	"github.com/google/uuid"
)

// Voucher is what EnakPoint is redeemed for (docs/rfc-enakgame.md §5.7).
type Voucher struct {
	ID             uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
	OrganizationID uuid.UUID `gorm:"type:uuid;not null" json:"organization_id"`
	Name           string    `gorm:"size:255;not null" json:"name"`
	Description    *string   `gorm:"type:text" json:"description"`
	ImageURL       *string   `gorm:"column:image_url;size:500" json:"image_url"`
	VoucherType    string    `gorm:"size:30;not null" json:"voucher_type"`
	// Rupiah: the basis of realized cost.
	FaceValue int64 `gorm:"not null" json:"face_value"`
	PointCost int64 `gorm:"not null" json:"point_cost"`
	// Reporting only.
	BusinessCost *int64 `json:"business_cost"`
	StockMode    string `gorm:"size:20;not null" json:"stock_mode"`
	// STATIC only.
	Stock *int64 `json:"stock"`
	// EXTERNAL only.
	Provider       *string      `gorm:"size:50" json:"provider"`
	ProviderRef    *string      `gorm:"size:255" json:"provider_ref"`
	MaxPerCustomer *int         `json:"max_per_customer"`
	ValidFrom      *time.Time   `json:"valid_from"`
	ValidUntil     *time.Time   `json:"valid_until"`
	Terms          JSONDocument `gorm:"type:jsonb;not null;default:'{}'" json:"terms"`
	Status         string       `gorm:"size:20;not null" json:"status"`
	CreatedAt      time.Time    `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt      time.Time    `gorm:"autoUpdateTime" json:"updated_at"`
}

func (Voucher) TableName() string { return "vouchers" }

// VoucherCode is one code of a CODE_POOL voucher.
type VoucherCode struct {
	ID           uuid.UUID  `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
	VoucherID    uuid.UUID  `gorm:"type:uuid;not null" json:"voucher_id"`
	Code         string     `gorm:"size:255;not null" json:"code"`
	Status       string     `gorm:"size:20;not null" json:"status"`
	RedemptionID *uuid.UUID `gorm:"type:uuid" json:"redemption_id"`
	ExpiresAt    *time.Time `json:"expires_at"`
	CreatedAt    time.Time  `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt    time.Time  `gorm:"autoUpdateTime" json:"updated_at"`
}

func (VoucherCode) TableName() string { return "voucher_codes" }

// VoucherRedemption is one redemption, with the voucher's numbers frozen (P3).
type VoucherRedemption struct {
	ID                  uuid.UUID  `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
	OrganizationID      uuid.UUID  `gorm:"type:uuid;not null" json:"organization_id"`
	CustomerID          uuid.UUID  `gorm:"type:uuid;not null" json:"customer_id"`
	VoucherID           uuid.UUID  `gorm:"type:uuid;not null" json:"voucher_id"`
	IdempotencyKey      string     `gorm:"size:100;not null" json:"idempotency_key"`
	Status              string     `gorm:"size:20;not null" json:"status"`
	FaceValue           int64      `gorm:"not null" json:"face_value"`
	PointCost           int64      `gorm:"not null" json:"point_cost"`
	VoucherCodeID       *uuid.UUID `gorm:"type:uuid" json:"voucher_code_id"`
	ExternalCode        *string    `gorm:"size:255" json:"external_code"`
	ExternalRef         *string    `gorm:"size:255" json:"external_ref"`
	DebitTransactionID  uuid.UUID  `gorm:"type:uuid;not null" json:"debit_transaction_id"`
	RefundTransactionID *uuid.UUID `gorm:"type:uuid" json:"refund_transaction_id"`
	FailureReason       *string    `gorm:"size:255" json:"failure_reason"`
	Attempts            int        `gorm:"not null;default:0" json:"attempts"`
	CompletedAt         *time.Time `json:"completed_at"`
	CreatedAt           time.Time  `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt           time.Time  `gorm:"autoUpdateTime" json:"updated_at"`
}

func (VoucherRedemption) TableName() string { return "voucher_redemptions" }

// VoucherRedemptionCost is the part of a redemption's face value one source of its
// EnakPoint accounts for (D5). BudgetID is nil for EnakPoint not from EnakGame.
type VoucherRedemptionCost struct {
	RedemptionID uuid.UUID  `gorm:"type:uuid;not null" json:"redemption_id"`
	BudgetID     *uuid.UUID `gorm:"type:uuid" json:"budget_id"`
	SourceType   string     `gorm:"size:30;not null" json:"source_type"`
	Points       int64      `gorm:"not null" json:"points"`
	Cost         int64      `gorm:"not null" json:"cost"`
	RecognizedAt time.Time  `gorm:"not null" json:"recognized_at"`
}

func (VoucherRedemptionCost) TableName() string { return "voucher_redemption_costs" }