package com.ryanmichela.sshd.implementations;

import org.bukkit.Bukkit;
import org.bukkit.conversations.Conversation;
import org.bukkit.conversations.ConversationAbandonedEvent;
import org.bukkit.conversations.ManuallyAbandonedConversationCanceller;

import java.util.LinkedList;
import java.util.logging.Level;

public class SSHDConversationTracker 
{
	private LinkedList<Conversation> conversationQueue = new LinkedList<>();

	synchronized boolean beginConversation(Conversation conversation) 
	{
		if (!this.conversationQueue.contains(conversation)) 
		{
			this.conversationQueue.addLast(conversation);
			if (this.conversationQueue.getFirst() == conversation) 
			{
				conversation.begin();
				conversation.outputNextPrompt();
				return true;
			}
		}

		return true;
	}

	synchronized void abandonConversation(Conversation conversation, ConversationAbandonedEvent details) 
	{
		if (!this.conversationQueue.isEmpty()) 
		{
			if (this.conversationQueue.getFirst() == conversation)
				conversation.abandon(details);

			if (this.conversationQueue.contains(conversation))
				this.conversationQueue.remove(conversation);

			if (!this.conversationQueue.isEmpty())
				this.conversationQueue.getFirst().outputNextPrompt();
		}

	}

	public synchronized void abandonAllConversations() 
	{
		LinkedList<Conversation> oldQueue = this.conversationQueue;
		this.conversationQueue = new LinkedList<>();

		for (Conversation conversation : oldQueue) 
		{
			try 
			{
				conversation.abandon(new ConversationAbandonedEvent(conversation, new ManuallyAbandonedConversationCanceller()));
			} 
			catch (Throwable var5) 
			{
				Bukkit.getLogger().log(Level.SEVERE, "Unexpected exception while abandoning a conversation", var5);
			}
		}

	}

	synchronized void acceptConversationInput(String input) 
	{
		if (this.isConversing()) 
		{
			Conversation conversation = this.conversationQueue.getFirst();

			try 
			{
				conversation.acceptInput(input);
			} 
			catch (Throwable var4) 
			{
				conversation.getContext().getPlugin().getLogger().log(Level.WARNING, String.format("Plugin %s generated an exception whilst handling conversation input", conversation.getContext().getPlugin().getDescription().getFullName()), var4);
			}
		}

	}

	synchronized boolean isConversing() 
	{
		return !this.conversationQueue.isEmpty();
	}

	public synchronized boolean isConversingModaly() 
	{
		return this.isConversing() && this.conversationQueue.getFirst().isModal();
	}
}