package config

import (
	"encoding/hex"
	"errors"
	"fmt"
	"mtp2_if/packet"
	"strconv"

	"github.com/beevik/etree"
)

var SerCfg *ServiceConfig

type WebConfig struct {
	ListenAddr string
	DebugMode  bool
	ApiKey     string
	ApiKeyMode bool
}

type LogConfig struct {
	LogPath  string
	LogLevel int
}

type DbConfig struct {
	DbDriver  string
	DbAddress string
	DbName    string
	DbPort    string
	DbUser    string
	DbPwd     string
}

type RedisConfig struct {
	Address string
	Port    int
	TimeOut int
	ConnNum int
	DbNum   int
	Pwd     string
}

type MqConfig struct {
	Url      string
	Exchange string
}

type MongoDBConfig struct {
	HostName string
	Port     int
	DBName   string
	Username string
	Password string
}

type MySQLConfig struct {
	Enabled  int
	Host     string
	Port     int
	DBName   string
	Username string
	Password string
}

type TencentConfig struct {
	Enabled                 int
	SecretId                string
	SecretKey               string
	EndPoint                string
	AppId                   string
	ProxyOrganizationName   string
	ProxyOrganizationOpenId string
	ProxyOperatorOpenId     string
	SignToken               string
	SignKey                 string
}

type AsignConfig struct {
	Url        string
	AppId      string
	PrivateKey string
	NotifyUrl  string
	OpenApiUrl string
	Account    string
}

type ServiceConfig struct {
	WebCfg          WebConfig
	LogCfg          LogConfig
	DbCfg           DbConfig
	RedisCfg        RedisConfig
	MqCfg           MqConfig
	MongoDBCfg      MongoDBConfig
	MySQLCfg        MySQLConfig
	TencentCfg      TencentConfig
	AsignCfg        AsignConfig
	TencentCloudCfg TencentCloudConfig
}

type TencentCloudConfig struct {
	Enabled        int
	SecretId       string
	SecretKey      string
	FaceIdEndPoint string
	DailyQuota     int
}

func (c *ServiceConfig) Init(path string) error {
	SerCfg = &ServiceConfig{}

	cfgfile := etree.NewDocument()
	err := cfgfile.ReadFromFile(path)
	if err != nil {
		fmt.Println("Read config file failed")
		return err
	}

	root := cfgfile.SelectElement("Configuration")
	if root == nil {
		return errors.New("read config file failed")
	}

	// web配置
	websettings := root.SelectElements("WebSetting")
	for _, setting := range websettings {
		web_listenaddr := setting.SelectElement("ListenAddress")
		if web_listenaddr == nil {
			return errors.New("read web listen address failed")
		}
		SerCfg.WebCfg.ListenAddr = web_listenaddr.SelectAttrValue("value", "0.0.0.0:8080")

		// 调试模式
		debug_mode := setting.SelectElement("DebugMode")
		if debug_mode == nil {
			return errors.New("read debug mode failed")
		}
		ret, err := strconv.ParseUint(debug_mode.SelectAttrValue("value", "0"), 10, 32)
		if err != nil {
			return errors.New("read debug mode is invalid:")
		}
		SerCfg.WebCfg.DebugMode = (ret == 1)

		apiKey := setting.SelectElement("ApiKey")
		if apiKey == nil {
			return errors.New("read web listen ApiKey failed")
		}
		SerCfg.WebCfg.ApiKey = apiKey.SelectAttrValue("value", "GELSZqhh4mqzlDKW")

		apiKeyMode := setting.SelectElement("ApiKeyMode")
		if apiKeyMode == nil {
			return errors.New("read ApiKeyMode failed")
		}
		ret, err = strconv.ParseUint(apiKeyMode.SelectAttrValue("value", "0"), 10, 32)
		if err != nil {
			return errors.New("read ApiKeyMode is invalid:")
		}
		SerCfg.WebCfg.ApiKeyMode = (ret == 1)
	}

	// 日志配置
	logsettings := root.SelectElements("LogSetting")
	for _, setting := range logsettings {
		// 日志路径
		log_path := setting.SelectElement("LogPath")
		if log_path == nil {
			return errors.New("read log path failed")
		}
		SerCfg.LogCfg.LogPath = log_path.SelectAttrValue("value", "./")

		// 日志级别
		log_level := setting.SelectElement("LogLevel")
		if log_level == nil {
			return errors.New("read log level failed")
		}
		ret, err := strconv.ParseUint(log_level.SelectAttrValue("value", "5"), 10, 32)
		if err != nil {
			return errors.New("read log level is invalid:")
		}
		SerCfg.LogCfg.LogLevel = int(ret)
	}

	// 数据库配置
	dbsettings := root.SelectElements("DbSetting")
	for _, setting := range dbsettings {
		// 数据库驱动
		db_driver := setting.SelectElement("DbDriver")
		if db_driver == nil {
			return errors.New("read db driver failed")
		}
		SerCfg.DbCfg.DbDriver = db_driver.SelectAttrValue("value", "oci8")

		// 数据库地址
		db_address := setting.SelectElement("DbAddress")
		if db_address == nil {
			return errors.New("read db address failed")
		}
		SerCfg.DbCfg.DbAddress = db_address.SelectAttrValue("value", "0.0.0.0")

		// 数据库名
		db_name := setting.SelectElement("DbName")
		if db_name == nil {
			return errors.New("read db name failed")
		}
		SerCfg.DbCfg.DbName = db_name.SelectAttrValue("value", "orcl")

		// 数据库端口
		db_port := setting.SelectElement("DbPort")
		if db_port == nil {
			return errors.New("read db port failed")
		}
		SerCfg.DbCfg.DbPort = db_port.SelectAttrValue("value", "1521")

		// 数据库名
		db_user := setting.SelectElement("DbUser")
		if db_user == nil {
			return errors.New("read db user failed")
		}
		SerCfg.DbCfg.DbUser = db_user.SelectAttrValue("value", "mtp2_test01")

		// 数据库密码
		db_pwd := setting.SelectElement("DbPwd")
		if db_pwd == nil {
			return errors.New("read db password failed")
		}
		SerCfg.DbCfg.DbPwd = db_pwd.SelectAttrValue("value", "muchinfo")
	}

	// Redis配置
	redissettings := root.SelectElements("RedisSetting")
	for _, setting := range redissettings {
		// 地址
		redis_address := setting.SelectElement("Address")
		if redis_address == nil {
			return errors.New("read redis address failed")
		}
		SerCfg.RedisCfg.Address = redis_address.SelectAttrValue("value", "127.0.0.1")

		// 端口
		redis_port := setting.SelectElement("Port")
		if redis_port == nil {
			return errors.New("read redis port failed")
		}
		ret, err := strconv.ParseUint(redis_port.SelectAttrValue("value", "5007"), 10, 32)
		if err != nil {
			return errors.New("read redis port is invalid:")
		}
		SerCfg.RedisCfg.Port = int(ret)

		// 超时时长
		redis_timeout := setting.SelectElement("Timeout")
		if redis_timeout == nil {
			return errors.New("read redis timeout failed")
		}
		ret, err = strconv.ParseUint(redis_timeout.SelectAttrValue("value", "3"), 10, 32)
		if err != nil {
			return errors.New("read redis timeout is invalid:")
		}
		SerCfg.RedisCfg.TimeOut = int(ret)

		// 连接数
		redis_connnum := setting.SelectElement("ConnNum")
		if redis_connnum == nil {
			return errors.New("read redis connnet num failed")
		}
		ret, err = strconv.ParseUint(redis_connnum.SelectAttrValue("value", "1"), 10, 32)
		if err != nil {
			return errors.New("read redis connnet num is invalid:")
		}
		SerCfg.RedisCfg.ConnNum = int(ret)

		// 库编号
		redis_dbnum := setting.SelectElement("DbNum")
		if redis_dbnum == nil {
			return errors.New("read redis db num failed")
		}
		ret, err = strconv.ParseUint(redis_dbnum.SelectAttrValue("value", "0"), 10, 32)
		if err != nil {
			return errors.New("read redis db num is invalid:")
		}
		SerCfg.RedisCfg.DbNum = int(ret)

		// 密码
		redis_pwd := setting.SelectElement("Pwd")
		if redis_pwd == nil {
			return errors.New("read redis password failed")
		}
		SerCfg.RedisCfg.Pwd = redis_pwd.SelectAttrValue("value", "")
	}

	// RabbitMQ配置
	mqsettings := root.SelectElements("MqSetting")
	for _, setting := range mqsettings {
		// url
		url := setting.SelectElement("Url")
		if url == nil {
			return errors.New("read rabbitmq url failed")
		}
		SerCfg.MqCfg.Url = url.SelectAttrValue("value", "")

		// exchange
		exchange := setting.SelectElement("Exchange")
		if exchange == nil {
			return errors.New("read rabbitmq exchange failed")
		}
		SerCfg.MqCfg.Exchange = exchange.SelectAttrValue("value", "entry")
	}

	// MongoDB配置
	mongodbsettings := root.SelectElements("MongoDBSetting")
	for _, setting := range mongodbsettings {
		// 主机地址
		hostName := setting.SelectElement("HostName")
		if hostName == nil {
			return errors.New("read mongondb hostname failed")
		}
		SerCfg.MongoDBCfg.HostName = hostName.SelectAttrValue("value", "")

		// 端口
		port := setting.SelectElement("Port")
		if port == nil {
			return errors.New("read mongondb port failed")
		}
		ret, err := strconv.ParseUint(port.SelectAttrValue("value", "5025"), 10, 32)
		if err != nil {
			return errors.New("read mongondb port failed")
		}
		SerCfg.MongoDBCfg.Port = int(ret)

		// 数据库名
		dbname := setting.SelectElement("DBName")
		if dbname == nil {
			return errors.New("read mongondb dbname failed")
		}
		SerCfg.MongoDBCfg.DBName = dbname.SelectAttrValue("value", "")

		// 用户名
		username := setting.SelectElement("Username")
		if username == nil {
			return errors.New("read mongondb username failed")
		}
		SerCfg.MongoDBCfg.Username = username.SelectAttrValue("value", "")

		// 密码
		password := setting.SelectElement("Password")
		if password == nil {
			return errors.New("read mongondb password failed")
		}
		SerCfg.MongoDBCfg.Password = password.SelectAttrValue("value", "")
	}

	// MySQL配置
	mysqlsettings := root.SelectElements("MySQLSetting")
	for _, setting := range mysqlsettings {
		// 启用标志
		enabled := setting.SelectElement("Enabled")
		if enabled == nil {
			return errors.New("read mysql enabled failed")
		}
		ret, err := strconv.ParseUint(enabled.SelectAttrValue("value", "0"), 10, 32)
		if err != nil {
			return errors.New("read mysql enabled failed")
		}
		SerCfg.MySQLCfg.Enabled = int(ret)

		// 主机地址
		host := setting.SelectElement("Host")
		if host == nil {
			return errors.New("read mysql host failed")
		}
		SerCfg.MySQLCfg.Host = host.SelectAttrValue("value", "")

		// 端口
		port := setting.SelectElement("Port")
		if port == nil {
			return errors.New("read mysql port failed")
		}
		ret, err = strconv.ParseUint(port.SelectAttrValue("value", "3306"), 10, 32)
		if err != nil {
			return errors.New("read mysql port failed")
		}
		SerCfg.MySQLCfg.Port = int(ret)

		// 数据库名
		dbname := setting.SelectElement("DBName")
		if dbname == nil {
			return errors.New("read mysql dbname failed")
		}
		SerCfg.MySQLCfg.DBName = dbname.SelectAttrValue("value", "")

		// 用户名
		username := setting.SelectElement("Username")
		if username == nil {
			return errors.New("read mysql username failed")
		}
		SerCfg.MySQLCfg.Username = username.SelectAttrValue("value", "")

		// 密码
		password := setting.SelectElement("Password")
		if password == nil {
			return errors.New("read mysql password failed")
		}
		SerCfg.MySQLCfg.Password = password.SelectAttrValue("value", "")
	}

	// Tencent配置
	tencentsettings := root.SelectElements("Tencent")
	for _, setting := range tencentsettings {
		// 启用标志
		enabled := setting.SelectElement("Enabled")
		if enabled == nil {
			return errors.New("read tencent enabled failed")
		}
		ret, err := strconv.ParseUint(enabled.SelectAttrValue("value", "0"), 10, 32)
		if err != nil {
			return errors.New("read tencent enabled failed")
		}
		SerCfg.TencentCfg.Enabled = int(ret)

		// 密钥ID
		secretId := setting.SelectElement("SecretId")
		if secretId == nil {
			return errors.New("read tencent SecretId failed")
		}
		SerCfg.TencentCfg.SecretId = secretId.SelectAttrValue("value", "")

		// 密钥key
		secretKey := setting.SelectElement("SecretKey")
		if secretKey == nil {
			return errors.New("read tencent SecretKey failed")
		}
		SerCfg.TencentCfg.SecretKey = secretKey.SelectAttrValue("value", "")

		// EndPoint API域名，现网使用 essbasic.tencentcloudapi.com 测试使用 essbasic.test.ess.tencent.cn
		endPoint := setting.SelectElement("EndPoint")
		if endPoint == nil {
			return errors.New("read tencent EndPoint failed")
		}
		SerCfg.TencentCfg.EndPoint = endPoint.SelectAttrValue("value", "")

		// 应用的唯一标识
		appId := setting.SelectElement("AppId")
		if appId == nil {
			return errors.New("read tencent AppId failed")
		}
		SerCfg.TencentCfg.AppId = appId.SelectAttrValue("value", "")

		// 子客企业真实名称
		proxyOrganizationName := setting.SelectElement("ProxyOrganizationName")
		if proxyOrganizationName == nil {
			return errors.New("read tencent ProxyOrganizationName failedd")
		}
		SerCfg.TencentCfg.ProxyOrganizationName = proxyOrganizationName.SelectAttrValue("value", "")

		// 道子客企业OpenId（OrganizationOpenId）：简称OrgOpenId，对应通用参数ProxyOrganizationOpenId。
		proxyOrganizationOpenId := setting.SelectElement("ProxyOrganizationOpenId")
		if proxyOrganizationOpenId == nil {
			return errors.New("read tencent proxyOrganizationOpenId failedd")
		}
		SerCfg.TencentCfg.ProxyOrganizationOpenId = proxyOrganizationOpenId.SelectAttrValue("value", "")

		// 子客企业员工/经办人OpenId（OperatorOpenId）：简称员工/经办人OpenId。对应通用ProxyOperator中的参数OpenId。
		proxyOperatorOpenId := setting.SelectElement("ProxyOperatorOpenId")
		if proxyOperatorOpenId == nil {
			return errors.New("read tencent proxyOperatorOpenId failedd")
		}
		SerCfg.TencentCfg.ProxyOperatorOpenId = proxyOperatorOpenId.SelectAttrValue("value", "")

		// 电子签推送的回调内容基于此 token
		signToken := setting.SelectElement("SignToken")
		if signToken == nil {
			return errors.New("read tencent signToken failedd")
		}
		SerCfg.TencentCfg.SignToken = signToken.SelectAttrValue("value", "")

		// 电子签推送的回调内容基于此加密Key
		signKey := setting.SelectElement("SignKey")
		if signKey == nil {
			return errors.New("read tencent signKey failedd")
		}
		SerCfg.TencentCfg.SignKey = signKey.SelectAttrValue("value", "")
	}

	// 腾讯云配置
	tencentCloudsettings := root.SelectElements("TencentCloud")
	for _, setting := range tencentCloudsettings {
		// 启用标志
		enabled := setting.SelectElement("Enabled")
		if enabled == nil {
			return errors.New("read tencentcloud enabled failed")
		}
		ret, err := strconv.ParseUint(enabled.SelectAttrValue("value", "0"), 10, 32)
		if err != nil {
			return errors.New("read tencentcloud enabled failed")
		}
		SerCfg.TencentCloudCfg.Enabled = int(ret)

		// 密钥ID
		secretId := setting.SelectElement("SecretId")
		if secretId == nil {
			return errors.New("read tencentcloud SecretId failed")
		}
		SerCfg.TencentCloudCfg.SecretId = secretId.SelectAttrValue("value", "")

		// 密钥key
		secretKey := setting.SelectElement("SecretKey")
		if secretKey == nil {
			return errors.New("read tencentcloud SecretKey failed")
		}
		SerCfg.TencentCloudCfg.SecretKey = secretKey.SelectAttrValue("value", "")

		// EndPoint API域名
		endPoint := setting.SelectElement("FaceIdEndPoint")
		if endPoint == nil {
			return errors.New("read tencentcloud EndPoint failed")
		}
		SerCfg.TencentCloudCfg.FaceIdEndPoint = endPoint.SelectAttrValue("value", "")

		// 启用标志
		dailyQuota := setting.SelectElement("DailyQuota")
		if dailyQuota == nil {
			return errors.New("read tencentcloud dailyQuota failed")
		}
		ret, err = strconv.ParseUint(dailyQuota.SelectAttrValue("value", "0"), 10, 32)
		if err != nil {
			return errors.New("read tencentcloud dailyQuota failed")
		}
		SerCfg.TencentCloudCfg.DailyQuota = int(ret)
	}

	// 爱签配置
	asignsettings := root.SelectElements("Asign")
	for _, setting := range asignsettings {
		// url
		url := setting.SelectElement("Url")
		if url == nil {
			return errors.New("read asign url failed")
		}
		SerCfg.AsignCfg.Url = url.SelectAttrValue("value", "")

		// AppId
		appId := setting.SelectElement("AppId")
		if appId == nil {
			return errors.New("read asign AppId failed")
		}
		SerCfg.AsignCfg.AppId = appId.SelectAttrValue("value", "")

		// 私钥
		privateKey := setting.SelectElement("PrivateKey")
		if privateKey == nil {
			return errors.New("read asign PrivateKey failed")
		}
		SerCfg.AsignCfg.PrivateKey = privateKey.SelectAttrValue("value", "")

		// 合同签署回调通知URL
		notifyUrl := setting.SelectElement("NotifyUrl")
		if notifyUrl == nil {
			return errors.New("read asign notifyUrl failed")
		}
		SerCfg.AsignCfg.NotifyUrl = notifyUrl.SelectAttrValue("value", "")

		// 应用的唯一标识
		openApiUrl := setting.SelectElement("OpenApiUrl")
		if openApiUrl == nil {
			return errors.New("read asgin openApiUrl failed")
		}
		SerCfg.AsignCfg.OpenApiUrl = openApiUrl.SelectAttrValue("value", "")

		account := setting.SelectElement("Account")
		if account == nil {
			return errors.New("read asgin account failed")
		}
		SerCfg.AsignCfg.Account = account.SelectAttrValue("value", "")
	}

	return nil
}

func (c *ServiceConfig) GetWebListenAddr() string {
	return SerCfg.WebCfg.ListenAddr
}

func (c *ServiceConfig) GetDebugMode() bool {
	return SerCfg.WebCfg.DebugMode
}

func (c *ServiceConfig) GetApiKey() string {
	return SerCfg.WebCfg.ApiKey
}

func (c *ServiceConfig) GetApiKeyMode() bool {
	return SerCfg.WebCfg.ApiKeyMode
}

func (c *ServiceConfig) GetLogSetting() (string, int) {
	return SerCfg.LogCfg.LogPath, SerCfg.LogCfg.LogLevel
}

func (c *ServiceConfig) GetDbDriver() string {
	return SerCfg.DbCfg.DbDriver
}

func (c *ServiceConfig) GetDbSource() string {
	// 尝试解密
	var dbUser []byte
	ciphertext, _ := hex.DecodeString(SerCfg.DbCfg.DbUser)
	if len(ciphertext) > 8 {
		ciphertext = ciphertext[4 : len(ciphertext)-8]
		dbUser, _ = packet.Decrypt(ciphertext, packet.AESKey, true)
		if dbUser == nil {
			dbUser = []byte(SerCfg.DbCfg.DbUser)
		}
	} else {
		dbUser = []byte(SerCfg.DbCfg.DbUser)
	}
	var dbPwd []byte
	ciphertext, _ = hex.DecodeString(SerCfg.DbCfg.DbPwd)
	if len(ciphertext) > 8 {
		ciphertext = ciphertext[4 : len(ciphertext)-8]
		dbPwd, _ = packet.Decrypt(ciphertext, packet.AESKey, true)
		if dbPwd == nil {
			dbPwd = []byte(SerCfg.DbCfg.DbPwd)
		}
	} else {
		dbPwd = []byte(SerCfg.DbCfg.DbPwd)
	}

	dbsource := fmt.Sprintf("%s/%s@%s:%s/%s",
		string(dbUser),
		string(dbPwd),
		SerCfg.DbCfg.DbAddress,
		SerCfg.DbCfg.DbPort,
		SerCfg.DbCfg.DbName)

	return dbsource
}

func (c *ServiceConfig) GetRedisAddress() string {
	redisaccress := fmt.Sprintf("%s:%d",
		SerCfg.RedisCfg.Address,
		SerCfg.RedisCfg.Port)

	return redisaccress
}

func (c *ServiceConfig) GetRedisPwd() string {
	return SerCfg.RedisCfg.Pwd
}

func (c *ServiceConfig) GetRedisDbNum() int {
	return SerCfg.RedisCfg.DbNum
}

func (c *ServiceConfig) GetRedisConnNum() int {
	return SerCfg.RedisCfg.ConnNum
}

func (c *ServiceConfig) GetRedisTimeout() int {
	return SerCfg.RedisCfg.TimeOut
}

func (c *ServiceConfig) GetMongoDBHostname() string {
	return SerCfg.MongoDBCfg.HostName
}

func (c *ServiceConfig) GetMongoDBPort() int {
	return SerCfg.MongoDBCfg.Port
}

func (c *ServiceConfig) GetMongoDBDBName() string {
	return SerCfg.MongoDBCfg.DBName
}

func (c *ServiceConfig) GetMongoDBUsername() string {
	return SerCfg.MongoDBCfg.Username
}

func (c *ServiceConfig) GetMongoDBPassword() string {
	return SerCfg.MongoDBCfg.Password
}

func (c *ServiceConfig) GetMySQLHost() string {
	return SerCfg.MySQLCfg.Host
}

func (c *ServiceConfig) GetMySQLPort() int {
	return SerCfg.MySQLCfg.Port
}

func (c *ServiceConfig) GetMySQLDBName() string {
	return SerCfg.MySQLCfg.DBName
}

func (c *ServiceConfig) GetMySQLUsername() string {
	return SerCfg.MySQLCfg.Username
}

func (c *ServiceConfig) GetMySQLPassword() string {
	return SerCfg.MySQLCfg.Password
}