package org.poopki.duckdns.user_db;

import org.bukkit.Bukkit;

import java.util.*;

public class GroupArray {
    public static Map<UUID, Group> m_GroupArray = new HashMap<UUID, Group>();

    public static Map<String, UUID> m_GroupNameList = new HashMap<String, UUID>();

    UserInfoArray m_UserInfoArray;
    UUID ZERO_UUID = UUID.fromString("00000000-0000-0000-0000-000000000000");
    public GroupArray(UserInfoArray m_UIA){
        m_UserInfoArray = m_UIA;
    }
    public boolean CreateGroup(UUID GroupUUID, String Name, UUID PlayerUUID){
        if(m_GroupNameList.containsKey(Name)){
            return false; // Conflict
        } else{
            m_GroupArray.put(GroupUUID, new Group(Name, PlayerUUID));
            m_GroupNameList.put(Name, GroupUUID);
            return true;
        }
    }
    public boolean CheckGroup(String GroupType, String Name){
        return m_GroupArray.containsKey(m_GroupNameList.get(Name));
    }
    public static <K, V> K getKey(Map<K, V> map, V value) {

        for (K key : map.keySet()) {
            if (value.equals(map.get(key))) {
                return key;
            }
        }
        return null;
    }
    public boolean DeleteGroup(UUID GroupUUID, String GroupType){
        if(m_GroupArray.containsKey(GroupUUID)){
            for(UUID key: GetGroupMembersUUID(GroupUUID)){
                m_UserInfoArray.setUserGroupUUID(GroupType,key,new UUID(0,0));
            }

            m_GroupNameList.remove(GetGroupName(GroupUUID));
            m_GroupArray.remove(GroupUUID);
            return true;
        }
        else{
            return false; // Group is not exists.
        }

    }

    public Integer SignUpGroup(String GroupType, UUID GroupUUID, UUID PlayerUUID){
        if(m_GroupArray.containsKey(GroupUUID)){
            if(isOffline(PlayerUUID)){
                Group m_Group = m_GroupArray.get(GroupUUID);
                m_Group.SignUp(PlayerUUID);
                m_UserInfoArray.setUserGroupUUID(GroupType,PlayerUUID,GroupUUID);
                return 1; // Success
            }else{
                return 2; // Offline Player
            }
        } else{
            return 3; // Wrong Group
        }
    }

    public boolean ExpulsionGroupPlayer(String GroupType, UUID GroupUUID, UUID PlayerUUID){
        if(m_GroupArray.get(GroupUUID).isMember(PlayerUUID)) {
            Group m_Group = m_GroupArray.get(GroupUUID);
            m_Group.Expulsion(PlayerUUID);
            m_UserInfoArray.setUserGroupUUID(GroupType,PlayerUUID,ZERO_UUID);
            if(m_Group.isEmpty()==0){
                m_GroupArray.remove(GroupUUID);
                m_GroupNameList.remove(getKey(m_GroupNameList,GroupUUID));
            }
            return true;
        } else{
            return false; // Wrong Player Name. FIXME{Need Checking function for a validate user name's }
            /* Player op = Bukkit.getPlayer(args[1]);
                            if (op != null) {
            */
        }
    }

    public List<String> GetGroupMembersName(UUID GroupUUID){
        List<String> MembersName = new ArrayList<>();
        for (UUID key : m_GroupArray.get(GroupUUID).getGroupMembers()){
            MembersName.add(Bukkit.getPlayer(key).getDisplayName());
        }
        return MembersName;
    }
    public List<UUID> GetGroupMembersUUID(UUID GroupUUID){
        return m_GroupArray.get(GroupUUID).getGroupMembers();
    }
    public boolean isGroupMember(UUID GroupUUID, UUID PlayerUUID){
        Group m_Group = m_GroupArray.get(GroupUUID);
        return m_Group.isMember(PlayerUUID);
    }

    public Set<String> GetGroupNameList(){
        return m_GroupNameList.keySet();
    }


    public String GetGroupName(UUID GroupUUID){
        Group m_Group = m_GroupArray.get(GroupUUID);
        return m_Group.getGroupName();
    }
    public static boolean isOffline(UUID uuid){
        return Bukkit.getPlayer(uuid).equals(null) && !Bukkit.getOfflinePlayer(uuid).equals(null);
    }

    private boolean isAvaliableGroup(UUID GroupUUID){
        return m_GroupArray.containsKey(GroupUUID);
    }

}