slowpoker/Assets/Scripts/Network/HttpRequests.cs

using System.Collections;
using System.Collections.Generic;
using System.Net;
using System.Net.Sockets;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.Serialization;

namespace Network
{
    public class HttpRequests : MonoBehaviour
    {
        public CustomNetworkManager NetworkManager;
        
        private string baseUrl = "https://kotpilnya.xyz/slowpoker/api/";
        public Dictionary<string, string> ServerListResponse;
        public string externalIP = "localhost";
        
        [System.Serializable] public class ServerInfo
        {
            public string name;
            public string address;
        }
        void Start()
        {
            StartCoroutine(GetExternalIPAddress());
        }
        
        public void AddServer()
        {
            ServerInfo serverInfo = new ServerInfo
            {
                name = "Oscar",
                address = externalIP
            };

            string jsonData = JsonUtility.ToJson(serverInfo);
            StartCoroutine(SendPostRequest("add_server", jsonData));
        }

        public void GetServerList()
        {
            StartCoroutine(SendGetRequest("get_server_list"));
        }
        
        IEnumerator GetExternalIPAddress()
        {
            UnityWebRequest request = UnityWebRequest.Get("https://api.ipify.org");
            yield return request.SendWebRequest();

            if (request.result == UnityWebRequest.Result.ConnectionError || request.result == UnityWebRequest.Result.ProtocolError)
            {
                Debug.LogError("Error getting external IP address: " + request.error);
            }
            else
            {
                externalIP = request.downloadHandler.text;
                // NetworkManager.networkAddress = _externalIP;
                Debug.Log("External IP Address: " + externalIP);
            }
        }
        
        IEnumerator SendGetRequest(string endpoint)
        {
            UnityWebRequest request = UnityWebRequest.Get(baseUrl + endpoint);

            yield return request.SendWebRequest();

            if (request.result == UnityWebRequest.Result.ConnectionError || request.result == UnityWebRequest.Result.ProtocolError)
            {
                Debug.LogError("Error: " + request.error);
            }
            else
            {
                OnGetServerList(request.downloadHandler.text);
                Debug.Log("Response: " + request.downloadHandler.text);
            }
        }
        
        IEnumerator SendPostRequest(string endpoint, string jsonData)
        {
            UnityWebRequest request = new UnityWebRequest(baseUrl + endpoint, "POST");

            byte[] bodyRaw = System.Text.Encoding.UTF8.GetBytes(jsonData);
            request.uploadHandler = new UploadHandlerRaw(bodyRaw);

            request.SetRequestHeader("Content-Type", "application/json");

            request.downloadHandler = new DownloadHandlerBuffer();

            yield return request.SendWebRequest();

            if (request.result == UnityWebRequest.Result.ConnectionError || request.result == UnityWebRequest.Result.ProtocolError)
            {
                Debug.LogError("Error: " + request.error);
            }
            else
            {
                Debug.Log("Response: " + request.downloadHandler.text);
            }
        }
        
        IEnumerator SendDeleteRequest(string endpoint)
        {
            UnityWebRequest request = UnityWebRequest.Delete(baseUrl + endpoint);

            yield return request.SendWebRequest();

            if (request.result == UnityWebRequest.Result.ConnectionError || request.result == UnityWebRequest.Result.ProtocolError)
            {
                Debug.LogError("Error: " + request.error);
            }
            else
            {
                Debug.Log("Response: " + request.downloadHandler.text);
            }
        }
        void OnGetServerList(string response)
        {
            string jsonResponse = response;
            ServerInfo serverInfo = JsonUtility.FromJson<ServerInfo>(jsonResponse);
            
            ServerListResponse = new Dictionary<string, string>
            {
                { "name", serverInfo.name },
                { "address", serverInfo.address }
            };
        }
    }
}