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package io.dico.parcels2
import io.dico.parcels2.Privilege.*
import org.bukkit.OfflinePlayer
enum class Privilege(
val number: Int,
val transient: Boolean = false
) {
BANNED(1),
DEFAULT(2),
CAN_BUILD(3),
CAN_MANAGE(4),
OWNER(-1, transient = true),
ADMIN(-1, transient = true);
fun isDistanceGrEq(other: Privilege): Boolean =
when { // used for example when disallowBuild is called and CAN_MANAGE is the privilege.
other > DEFAULT -> this >= other
other == DEFAULT -> this == other
else -> this <= other
}
fun requireNonTransient(): Privilege {
if (transient) {
throw IllegalArgumentException("Transient privilege $this is invalid")
}
return this
}
/*
fun canEnter() = this >= BANNED
fun canBuild() = this >= CAN_BUILD
fun canManage() = this >= CAN_MANAGE
*/
companion object {
fun getByNumber(id: Int) =
when (id) {
1 -> BANNED
2 -> DEFAULT
3 -> CAN_BUILD
4 -> CAN_MANAGE
else -> null
}
}
}
typealias PrivilegeKey = PlayerProfile.Real
typealias MutablePrivilegeMap = MutableMap<PrivilegeKey, Privilege>
typealias PrivilegeMap = Map<PrivilegeKey, Privilege>
@Suppress("FunctionName")
fun MutablePrivilegeMap(): MutablePrivilegeMap = hashMapOf()
/**
* Privileges object never returns a transient privilege.
*/
interface Privileges {
val map: PrivilegeMap
var privilegeOfStar: Privilege
fun privilege(key: PrivilegeKey): Privilege
fun privilege(player: OfflinePlayer) = privilege(player.privilegeKey)
fun setPrivilege(key: PrivilegeKey, privilege: Privilege): Boolean
fun setPrivilege(player: OfflinePlayer, privilege: Privilege) = setPrivilege(player.privilegeKey, privilege)
fun changePrivilege(key: PrivilegeKey, expect: Privilege, update: Privilege): Boolean =
privilege(key).isDistanceGrEq(expect) && setPrivilege(key, update)
fun hasPrivilegeToManage(key: PrivilegeKey) = privilege(key) >= CAN_MANAGE
fun allowManage(key: PrivilegeKey) = setPrivilege(key, CAN_MANAGE)
fun disallowManage(key: PrivilegeKey) = changePrivilege(key, CAN_MANAGE, CAN_BUILD)
fun hasPrivilegeToBuild(key: PrivilegeKey) = privilege(key) >= CAN_BUILD
fun allowBuild(key: PrivilegeKey) = setPrivilege(key, CAN_BUILD)
fun disallowBuild(key: PrivilegeKey) = changePrivilege(key, CAN_BUILD, DEFAULT)
fun isBanned(key: PrivilegeKey) = privilege(key) == BANNED
fun ban(key: PrivilegeKey) = setPrivilege(key, BANNED)
fun unban(key: PrivilegeKey) = changePrivilege(key, BANNED, DEFAULT)
/* OfflinePlayer overloads */
fun hasPrivilegeToManage(player: OfflinePlayer) = hasPrivilegeToManage(player.privilegeKey)
fun allowManage(player: OfflinePlayer) = allowManage(player.privilegeKey)
fun disallowManage(player: OfflinePlayer) = disallowManage(player.privilegeKey)
fun hasPrivilegeToBuild(player: OfflinePlayer) = hasPrivilegeToBuild(player.privilegeKey)
fun allowBuild(player: OfflinePlayer) = allowBuild(player.privilegeKey)
fun disallowBuild(player: OfflinePlayer) = disallowBuild(player.privilegeKey)
fun isBanned(player: OfflinePlayer) = isBanned(player.privilegeKey)
fun ban(player: OfflinePlayer) = ban(player.privilegeKey)
fun unban(player: OfflinePlayer) = unban(player.privilegeKey)
}
val OfflinePlayer.privilegeKey: PrivilegeKey
inline get() = PlayerProfile.nameless(this)
open class PrivilegesHolder(override var map: MutablePrivilegeMap = MutablePrivilegeMap()) : Privileges {
override var privilegeOfStar: Privilege = DEFAULT
set(value) = run { field = value.requireNonTransient() }
override fun privilege(key: PrivilegeKey): Privilege = map.getOrDefault(key, privilegeOfStar)
override fun setPrivilege(key: PrivilegeKey, privilege: Privilege): Boolean {
privilege.requireNonTransient()
if (key.isStar) {
if (privilegeOfStar == privilege) return false
privilegeOfStar = privilege
return true
}
return if (privilege == DEFAULT) map.remove(key) != null
else map.put(key, privilege) != privilege
}
}
interface GlobalPrivileges : Privileges {
val owner: PlayerProfile
}
interface GlobalPrivilegesManager {
operator fun get(owner: PlayerProfile): GlobalPrivileges
operator fun get(owner: OfflinePlayer): GlobalPrivileges = get(owner.privilegeKey)
}
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