package service

import (
	"context"
	"time"

	"with_you/internal/dto"
	"with_you/internal/model"
	"with_you/internal/repository"
)

// OperationLogService 操作日志服务接口
type OperationLogService interface {
	RecordOperation(log *model.OperationLog)
	GetOperationLogs(ctx context.Context, filters dto.LogFilter, page, pageSize int) ([]*model.OperationLog, int64, error)
	GetOperationLogsByUser(ctx context.Context, userID string, page, pageSize int) ([]*model.OperationLog, int64, error)
	GetOperationLogsByTimeRange(ctx context.Context, startTime, endTime string, page, pageSize int) ([]*model.OperationLog, int64, error)
	GetStatistics(ctx context.Context, startTime, endTime string) (*repository.OperationLogStatistics, error)
}

// operationLogServiceImpl 操作日志服务实现
type operationLogServiceImpl struct {
	asyncManager *AsyncLogManager
	repo         repository.OperationLogRepository
}

// NewOperationLogService 创建操作日志服务
func NewOperationLogService(
	asyncManager *AsyncLogManager,
	repo repository.OperationLogRepository,
) OperationLogService {
	return &operationLogServiceImpl{
		asyncManager: asyncManager,
		repo:         repo,
	}
}

// RecordOperation 记录操作日志
func (s *operationLogServiceImpl) RecordOperation(log *model.OperationLog) {
	s.asyncManager.RecordOperation(log)
}

// GetOperationLogs 获取操作日志列表
func (s *operationLogServiceImpl) GetOperationLogs(ctx context.Context, filters dto.LogFilter, page, pageSize int) ([]*model.OperationLog, int64, error) {
	return s.repo.GetOperationLogs(ctx, filters, page, pageSize)
}

// GetOperationLogsByUser 获取指定用户的操作日志
func (s *operationLogServiceImpl) GetOperationLogsByUser(ctx context.Context, userID string, page, pageSize int) ([]*model.OperationLog, int64, error) {
	return s.repo.GetOperationLogsByUser(ctx, userID, page, pageSize)
}

// GetOperationLogsByTimeRange 按时间范围获取操作日志
func (s *operationLogServiceImpl) GetOperationLogsByTimeRange(ctx context.Context, startTime, endTime string, page, pageSize int) ([]*model.OperationLog, int64, error) {
	return s.repo.GetOperationLogsByTimeRange(ctx, startTime, endTime, page, pageSize)
}

// GetStatistics 获取操作日志统计
func (s *operationLogServiceImpl) GetStatistics(ctx context.Context, startTime, endTime string) (*repository.OperationLogStatistics, error) {
	return s.repo.GetStatistics(ctx, startTime, endTime)
}

// LoginLogService 登录日志服务接口
type LoginLogService interface {
	RecordLogin(log *model.LoginLog)
	GetLoginLogs(ctx context.Context, filters dto.LoginFilter, page, pageSize int) ([]*model.LoginLog, int64, error)
	GetLoginLogsByUser(ctx context.Context, userID string, page, pageSize int) ([]*model.LoginLog, int64, error)
	GetFailedLoginsByIP(ctx context.Context, ip string, timeWindow string) (int64, error)
	GetRecentSuccessLogins(ctx context.Context, userID string, limit int) ([]*model.LoginLog, error)
	GetStatistics(ctx context.Context, startTime, endTime string) (*repository.LoginLogStatistics, error)
}

// loginLogServiceImpl 登录日志服务实现
type loginLogServiceImpl struct {
	asyncManager *AsyncLogManager
	repo         repository.LoginLogRepository
}

// NewLoginLogService 创建登录日志服务
func NewLoginLogService(
	asyncManager *AsyncLogManager,
	repo repository.LoginLogRepository,
) LoginLogService {
	return &loginLogServiceImpl{
		asyncManager: asyncManager,
		repo:         repo,
	}
}

// RecordLogin 记录登录日志
func (s *loginLogServiceImpl) RecordLogin(log *model.LoginLog) {
	s.asyncManager.RecordLogin(log)
}

// GetLoginLogs 获取登录日志列表
func (s *loginLogServiceImpl) GetLoginLogs(ctx context.Context, filters dto.LoginFilter, page, pageSize int) ([]*model.LoginLog, int64, error) {
	return s.repo.GetLoginLogs(ctx, filters, page, pageSize)
}

// GetLoginLogsByUser 获取指定用户的登录日志
func (s *loginLogServiceImpl) GetLoginLogsByUser(ctx context.Context, userID string, page, pageSize int) ([]*model.LoginLog, int64, error) {
	return s.repo.GetLoginLogsByUser(ctx, userID, page, pageSize)
}

// GetFailedLoginsByIP 获取指定IP的失败登录记录
func (s *loginLogServiceImpl) GetFailedLoginsByIP(ctx context.Context, ip string, timeWindow string) (int64, error) {
	duration, err := time.ParseDuration(timeWindow)
	if err != nil {
		duration = time.Hour // 默认1小时
	}
	return s.repo.GetFailedLoginsByIP(ctx, ip, duration)
}

// GetRecentSuccessLogins 获取最近成功的登录记录
func (s *loginLogServiceImpl) GetRecentSuccessLogins(ctx context.Context, userID string, limit int) ([]*model.LoginLog, error) {
	return s.repo.GetRecentSuccessLogins(ctx, userID, limit)
}

// GetStatistics 获取登录日志统计
func (s *loginLogServiceImpl) GetStatistics(ctx context.Context, startTime, endTime string) (*repository.LoginLogStatistics, error) {
	return s.repo.GetStatistics(ctx, startTime, endTime)
}

// DataChangeLogService 数据变更日志服务接口
type DataChangeLogService interface {
	RecordDataChange(log *model.DataChangeLog)
	GetDataChangeLogs(ctx context.Context, filters dto.DataChangeFilter, page, pageSize int) ([]*model.DataChangeLog, int64, error)
	GetDataChangeLogsByUser(ctx context.Context, userID string, page, pageSize int) ([]*model.DataChangeLog, int64, error)
	GetDataChangeLogsByOperator(ctx context.Context, operatorID string, page, pageSize int) ([]*model.DataChangeLog, int64, error)
	GetStatistics(ctx context.Context, startTime, endTime string) (*repository.DataChangeLogStatistics, error)
}

// dataChangeLogServiceImpl 数据变更日志服务实现
type dataChangeLogServiceImpl struct {
	asyncManager *AsyncLogManager
	repo         repository.DataChangeLogRepository
}

// NewDataChangeLogService 创建数据变更日志服务
func NewDataChangeLogService(
	asyncManager *AsyncLogManager,
	repo repository.DataChangeLogRepository,
) DataChangeLogService {
	return &dataChangeLogServiceImpl{
		asyncManager: asyncManager,
		repo:         repo,
	}
}

// RecordDataChange 记录数据变更日志
func (s *dataChangeLogServiceImpl) RecordDataChange(log *model.DataChangeLog) {
	s.asyncManager.RecordDataChange(log)
}

// GetDataChangeLogs 获取数据变更日志列表
func (s *dataChangeLogServiceImpl) GetDataChangeLogs(ctx context.Context, filters dto.DataChangeFilter, page, pageSize int) ([]*model.DataChangeLog, int64, error) {
	return s.repo.GetDataChangeLogs(ctx, filters, page, pageSize)
}

// GetDataChangeLogsByUser 获取指定用户的数据变更日志
func (s *dataChangeLogServiceImpl) GetDataChangeLogsByUser(ctx context.Context, userID string, page, pageSize int) ([]*model.DataChangeLog, int64, error) {
	return s.repo.GetDataChangeLogsByUser(ctx, userID, page, pageSize)
}

// GetDataChangeLogsByOperator 获取指定操作人的日志
func (s *dataChangeLogServiceImpl) GetDataChangeLogsByOperator(ctx context.Context, operatorID string, page, pageSize int) ([]*model.DataChangeLog, int64, error) {
	return s.repo.GetDataChangeLogsByOperator(ctx, operatorID, page, pageSize)
}

// GetStatistics 获取数据变更日志统计
func (s *dataChangeLogServiceImpl) GetStatistics(ctx context.Context, startTime, endTime string) (*repository.DataChangeLogStatistics, error) {
	return s.repo.GetStatistics(ctx, startTime, endTime)
}