using System.Collections;
using UnityEngine;
using UnityEngine.UI;
using Kill.UI.Components;
using Kill.Managers;
using System.Threading.Tasks;
using System;
using Kill.Network;

namespace Kill.UI.Pages
{
    /// <summary>
    /// 验证码页面
    /// </summary>
    public class SelfVerificationCodePanel : MonoBehaviour
    {
        [Header("显示")]
        public Text countdownText;
        public Text emailText;
        public Text errorText;
        public int countdownSeconds = 60;
        [Header("输入")]
        public VerificationCodeInput codeInput;

        [Header("按钮")]
        public Button resendBtn;

        // 倒计时协程
        private Coroutine countdownCoroutine;
        private string countdownTip;

        public Button backButton;
        Action onSuccessCallback;
        public void Init(Action onsuccess)
        {
            onSuccessCallback=onsuccess;
            UIManager.Instance.RegisterBackAction(OnBack);
            backButton.onClick.RemoveAllListeners();
            backButton.onClick.AddListener(OnBack);
            if (codeInput != null)
            {
                codeInput.OnCodeCompleted += OnCodeCompleted;
            }

            if (resendBtn != null)
                resendBtn.onClick.AddListener(OnResend);
            countdownTip = LanguageManager.Instance.GetLanguage("100014");
            // 清空验证码
            if (codeInput != null)
            {
                codeInput.Clear();
                codeInput.Focus();
            }
            resendBtn.gameObject.SetActive(true);
            countdownText.gameObject.SetActive(false);
            emailText.text = DataManager.Instance.userInfo.email;
            countdownText.text = countdownTip.Replace("{0}", countdownSeconds.ToString());
            OnResend();
        }


        private void OnDestroy()
        {
            // 停止倒计时
            if (countdownCoroutine != null)
            {
                StopCoroutine(countdownCoroutine);
                countdownCoroutine = null;
            }
        }



        private void OnCodeCompleted(string code)
        {
            Debug.Log($"验证码输入完成: {code}");
            // 可以自动提交
            OnConfirm();
        }


        private async Task OnConfirm()
        {
            string code = codeInput != null ? codeInput.GetCode() : "";
            // 验证验证码
            VerifyCode(emailText.text, code,
                onSuccess: () =>
                {
                    onSuccessCallback?.Invoke();
                },
                onError: (code, message) =>
                {
                    // 显示错误
                    errorText.text = LanguageManager.Instance.GetLanguage("100017");
                }
            );
        }

        private async void OnResend()
        {
            LoadingUI.Show();

            var requestData = new EmailCodeRequest
            {
                email = emailText.text
            };

            try
            {
                var response = await NetworkCtrl.Instance.Post<NoDataResponse>("/api/v1/auth/email/code", requestData);

                LoadingUI.Hide();

                ResponseCodeHandler.HandleResponse(response,
                    onSuccess: (data) =>
                    {
                        Debug.Log("验证码发送成功");
                        resendBtn.gameObject.SetActive(false);
                        countdownText.gameObject.SetActive(true);
                        StartCountdown(countdownSeconds);
                    },
                    onError: null
                );
            }
            catch (Exception ex)
            {
                LoadingUI.Hide();
                Debug.LogError("发送验证码异常: " + ex.Message);
            }
        }

        private void StartCountdown(int seconds)
        {
            if (countdownCoroutine != null)
            {
                StopCoroutine(countdownCoroutine);
            }
            countdownCoroutine = StartCoroutine(CountdownCoroutine(seconds));
        }

        private IEnumerator CountdownCoroutine(int seconds)
        {
            int remaining = seconds;
            while (remaining > 0)
            {
                string tip = countdownTip.Replace("{0}", remaining.ToString());
                if (countdownText != null)
                    countdownText.text = tip;
                yield return new WaitForSeconds(1);
                remaining--;
            }
            resendBtn.gameObject.SetActive(true);
            countdownText.gameObject.SetActive(false);
            countdownCoroutine = null;
        }
        public void OnBack()
        {
            UIManager.Instance.RegisterBackAction(GetComponentInParent<SelfInfoPage>().OnBack);
            Destroy(gameObject);
        }
        /// <summary>
        /// 校验验证码
        /// </summary>
        public async void VerifyCode(string email, string code, Action onSuccess, Action<int, string> onError)
        {
            LoadingUI.Show();

            var requestData = new VerifyCodeRequest
            {
                email = email,
                code = code
            };
            try
            {
                var response = await NetworkCtrl.Instance.Post<NoDataResponse>("/api/v1/auth/email/verify", requestData);

                LoadingUI.Hide();

                ResponseCodeHandler.HandleResponse(response,
                    onSuccess: (data) =>
                    {
                        Debug.Log("验证码校验成功");
                        onSuccess?.Invoke();
                    },
                    onError: onError
                );
            }
            catch (Exception ex)
            {
                LoadingUI.Hide();
                Debug.LogError("校验验证码异常: " + ex.Message);
                onError?.Invoke(-1, ex.Message);
            }
        }
    }
}