package main

import (
	"github.com/BRNSystems/go-telnet"
	"strconv"
)

type Client struct {
	Client       *telnet.Client
	Username     string
	ID           int
	History      []string
	HistoryIndex int
	context      *telnet.Context
	writer       *telnet.Writer
	reader       *telnet.Reader
	match        *Match
	isHost       bool
	hp           int
	// Add more fields as needed
}

func NewClient(context *telnet.Context, writer *telnet.Writer, reader *telnet.Reader) int {
	client := Client{}

	clientsMutex.Lock()
	clients = append(clients, &client)
	clientID := len(clients) - 1
	defer clientsMutex.Unlock()

	clients[clientID].ID = clientID
	clients[clientID].Username = "Client #" + strconv.Itoa(clientID)
	clients[clientID].context = context
	clients[clientID].writer = writer
	clients[clientID].reader = reader
	clients[clientID].isHost = false
	clients[clientID].hp = -1
	return clientID
}

func RemoveClient(clientID int) {
	clientsMutex.Lock()
	defer clientsMutex.Unlock()
	clients = append(clients[:clientID], clients[clientID+1:]...)
}

func (client Client) send(message string) {
	writer := *(client.writer)
	writer.Write([]byte(message))
}

func (client Client) sendMessage(message string, sender *Client) {
	client.send("\a\r\n<" + sender.Username + "(" + strconv.Itoa(sender.ID) + ")> " + message + "\r\n")
}

func getIDByName(name string) int {
	clientsMutex.Lock()
	defer clientsMutex.Unlock()
	for _, client := range clients {
		if client.Username == name {
			return client.ID
		}
	}
	return -1
}

func getByIDOrName(by string) int {
	//if integer assume clientID
	var toClientID int
	toClientID, err := strconv.Atoi(by)
	if err != nil {
		toClientID = getIDByName(by)
	}
	if toClientID < len(clients) && toClientID >= 0 {
		return toClientID
	}
	return -1
}