package repositories

import (
	"context"
	"tyapi-server/internal/domains/finance/entities"
	"tyapi-server/internal/shared/interfaces"

	"github.com/shopspring/decimal"
)

// FinanceStats 财务统计信息
type FinanceStats struct {
	TotalWallets      int64
	ActiveWallets     int64
	TotalBalance      string
	TodayTransactions int64
}

// WalletRepository 钱包仓储接口
// 只保留核心方法，聚合服务负责业务规则
// 业务操作只保留乐观锁更新和基础更新

type WalletRepository interface {
	interfaces.Repository[entities.Wallet]

	// 基础查询
	GetByUserID(ctx context.Context, userID string) (*entities.Wallet, error)

	// 乐观锁更新（自动重试）
	UpdateBalanceWithVersion(ctx context.Context, walletID string, amount decimal.Decimal, operation string) (bool, error)
	// 乐观锁更新（通过用户ID直接更新，避免重复查询）
	UpdateBalanceByUserID(ctx context.Context, userID string, amount decimal.Decimal, operation string) (bool, error)

	// 状态操作
	ActivateWallet(ctx context.Context, walletID string) error
	DeactivateWallet(ctx context.Context, walletID string) error

	// 统计
	GetStats(ctx context.Context) (*FinanceStats, error)
	GetUserWalletStats(ctx context.Context, userID string) (*FinanceStats, error)
}