using System.Collections.Generic;
using BrewMonster.Network;
using CSNetwork.Protocols;
using CSNetwork.Protocols.RPCData;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

namespace BrewMonster.UI
{
    /// <summary>
    /// Login Flow: 
    /// 1. Enter username and password
    /// 2. Click login button
    /// 3. Login success, get the list of characters
    /// 4. Open the select character screen
    /// </summary>
    public class LoginScreenUI : MonoBehaviour
    {
        [SerializeField] private TMP_InputField _usernameInputField;
        [SerializeField] private TMP_InputField _passwordInputField;
        [SerializeField] private Button _loginButton;
        [SerializeField] private SelecScreenCharacter _selectCharacterScreen;

        private List<RoleInfo> _roleInfos;
        
        void Start()
        {
            _loginButton.onClick.AddListener(OnLoginButtonClicked);
        }

        // Update is called once per frame
        void Update()
        {
            if (_roleInfos != null)
            {
                _selectCharacterScreen.InitScreen(_roleInfos, OnClickSelectCharacter);
                _roleInfos = null;
            }
        }

        public async void OnLoginButtonClicked()
        {
            Logger.Log("OnLoginButtonClicked");
            string username = _usernameInputField.text;
            string password = _passwordInputField.text;
            UnityGameSession.SetConnectionInfo("103.182.22.52", 29000);
            await UnityGameSession.Login(username, password, OnLoginComplete);
        }

        /// <summary>
        /// Callback when the login is complete. 
        /// Then get the list of characters
        /// </summary>
        private void OnLoginComplete(bool result)
        {
            if (!result)
            {
                Logger.LogError("Login failed");
                return;
            }
            UnityGameSession.GetRoleListAsync(OnGetRoleListComplete);
        }

        /// <summary>
        /// Callback when the list of characters is retrieved. 
        /// Then move to the select character screen
        /// </summary>
        private void OnGetRoleListComplete(List<RoleInfo> roleInfos)
        {
            Logger.Log($"OnGetRoleListComplete {roleInfos.Count}");

            _roleInfos = roleInfos;
        }

        private void OnClickSelectCharacter(RoleInfo roleInfo)
        {
            Logger.Log($"OnClickSelectCharacter {roleInfo.name}");
            UnityGameSession.SelectRoleAsync(roleInfo, OnSelectRoleComplete);
        }

        private void OnSelectRoleComplete(RoleInfo roleInfo)
        {
            Logger.Log($"OnSelectRoleComplete {roleInfo.name} - {roleInfo.roleid}");

            // now we have to enter the world 
            UnityGameSession.SendProtocol(
                new enterworld()
                {
                    Roleid = roleInfo.roleid,
                    Provider_link_id = 0,
                    L_timeout = 0,
                    Localsid = 0,
                    Locktime = 0,
                    Settime = 0,
                    Timeout = 0
                }
            );
        }

        #if UNITY_EDITOR
        private void OnValidate()
        {
            if (_usernameInputField == null)
            {
                // find childrend with name "username"
                _usernameInputField = transform.Find("username").GetComponent<TMP_InputField>();
            }
            if (_passwordInputField == null)
            {
                // find childrend with name "password"
                _passwordInputField = transform.Find("password").GetComponent<TMP_InputField>();
            }
            if (_loginButton == null)
            {
                // find childrend with name "LoginBtn"
                _loginButton = transform.Find("LoginBtn").GetComponent<Button>();
            }
        }
        #endif
    }
}