// Package data_mask ...
//
// Description : data_mask ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2023-05-23 14:25
package data_mask

import (
	"errors"
	"git.zhangdeman.cn/zhangdeman/data_mask/strategy"
)

var (
	maskInstanceTable = make(map[string]IDataMask)
	defaultDataMask   = &DefaultDataMask{}
)

func init() {
	maskInstanceList := []IDataMask{
		&strategy.MailDataMask{},  // 邮箱脱敏
		&strategy.PhoneDataMask{}, // 手机号脱敏
	}
	for _, item := range maskInstanceList {
		maskInstanceTable[item.Type()] = item
	}
}

// RegisterStrategy 注册数据脱敏策略
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 22:18 2024/4/7
func RegisterStrategy(dataMaskStrategy ...IDataMask) {
	for _, item := range dataMaskStrategy {
		maskInstanceTable[item.Type()] = item
	}
}

// Execute 执行数据脱敏
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 14:31 2023/5/23
func Execute(data string, maskType string) string {
	dataMaskInstance, exist := maskInstanceTable[maskType]
	if !exist || nil == dataMaskInstance {
		dataMaskInstance = defaultDataMask
	}
	return dataMaskInstance.Mask(data)
}

// ExecuteWithError 严格执行
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 22:33 2024/4/7
func ExecuteWithError(data string, maskType string) (string, error) {
	dataMaskInstance, exist := maskInstanceTable[maskType]
	if !exist {
		return "", errors.New(maskType + " : data mask type is not found")
	}
	if nil == dataMaskInstance {
		return "", errors.New(maskType + " : data mask type instance is nil")
	}
	return Execute(data, maskType), nil
}