package main

import (
    "fmt"
)

// UserAPI ~
type UserAPI struct {
    KeyID           int    `sql:"AUTO_INCREMENT"                gorm:"primary_key"`
    APIKey          string `sql:"type:varchar(13)   ;not null"  gorm:"unique_index"`
    APIAuthRedirekt string `sql:"type:varchar(100)  ;not null"`
    Rights          int64
}

//0 прав нет 1 права есть
const (
    rAuth = 1 << iota
    rRegs
    rBattlesInvasion
    rBattlesSanctions
    rBattlesGround
    rMissionsLocation
    rMissionsHq
    rUnitsMarket
    rBlackmarketMercenaries
    rBlackmarketSaboteurs
    rBlackmarketLaboratory
    rBlackmarketContraband
    rBlackmarketDocuments
    rBlackmarketAuction
    rManufacturingFactory
    rManufacturingMines
    rManufacturingRockets
    rBuildingsProfitable
    rBuildingsDefense
    rBuildingsEnergy
    rOfficersclubResling
    rOfficersclubRoulette
    rOfficersclubSpyInterrogation
    rOfficersclubVeteransRiddle
    rOfficersclubWallNewspaper
    rProfileInfo
    rProfileSkills
    rProfileAchievements
    rProfileProperty
    rProfileBooty
    rProfileGifts
    rProfileVipMode
    rProfileStatistic
    rHalloffameRating
    rHalloffameStatistic
    rHalloffameHeroes
    rHalloffameLegions
    rAllianceIndex
    rAllianceRequests
    rAllianceReferrals
    rAllianceReinforcement
    rAllianceUnderDefense
    rChatPublic
    rChatAlliance
    rChatLegions
    rChatBootcamp
    rBankStorage
    rBankGold
    rBankСredit
    rBankExchanger
    rMailIndex
    rMailWrite
    rMailContacts
    rMailIgnore
    rHospital
    rNews
    rNewsAddCommen
    rDailyBonus
)

func (u *UserAPI) checkRight(right int64) bool {
    return u.Rights&right != 0
}

func (u *UserAPI) setRight(right int64) {
    u.Rights |= right
}

func (u *UserAPI) unsetRight(right int64) {
    u.Rights &^= right
}

func main() {
    u := UserAPI{KeyID: 1, APIKey: `xxxx`, Rights: (rBankGold | rMailWrite | rHospital)}

    fmt.Println(`rBankGold:`, u.checkRight(rBankGold))
    fmt.Println(`rMailWrite:`, u.checkRight(rMailWrite))
    fmt.Println(`rRegs:`, u.checkRight(rRegs))
    fmt.Println(`rNews:`, u.checkRight(rNews))

    u.setRight(rNews)
    fmt.Println(`rNews:`, u.checkRight(rNews))

    u.unsetRight(rNews)
    fmt.Println(`rNews:`, u.checkRight(rNews))

    //  rBankGold: true
    //  rMailWrite: true
    //  rRegs: false
    //  rNews: false
    //  rNews: true
    //  rNews: false

}