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

namespace Kill.UI.Pages
{
    /// <summary>
    /// 验证码页面
    /// </summary>
    public class VerificationCodePanel : LoginSubPageBase
    {
        [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;

        // 当前场景类型
        private CodeSceneType currentSceneType = CodeSceneType.Register;

        /// <summary>
        /// 验证码使用场景
        /// </summary>
        public enum CodeSceneType
        {
            Register,       // 注册
            ResetPassword   // 忘记密码重置
        }
        protected override void OnInitialize()
        {
            if (codeInput != null)
            {
                codeInput.OnCodeCompleted += OnCodeCompleted;
            }

            if (resendBtn != null)
                resendBtn.onClick.AddListener(OnResend);
            countdownTip=LanguageManager.Instance.GetLanguage("100014");
        }

        protected override void OnShow()
        {
            // 清空验证码
            if (codeInput != null)
            {
                codeInput.Clear();
                codeInput.Focus();
            }
            resendBtn.gameObject.SetActive(false);
            countdownText.gameObject.SetActive(true);
            // 开始倒计时
            StartCountdown(countdownSeconds);
            emailText.text = LoginPageCtrl.Instance.GetCurrentEmail();
            countdownText.text=countdownTip.Replace("{0}",countdownSeconds.ToString());
        }
        protected override void OnHide()
        {
            // 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();
        }

        /// <summary>
        /// 设置当前场景类型
        /// </summary>
        public void SetSceneType(CodeSceneType type)
        {
            currentSceneType = type;
        }

        private void OnConfirm()
        {
            string code = codeInput != null ? codeInput.GetCode() : "";

            // 验证验证码
            LoginPageCtrl.Instance.VerifyCode(emailText.text, code,
                onSuccess: () =>
                {
                    // 验证成功，跳转到设置密码页
                    var setPasswordPanel = GetSubPage(LoginPageCtrl.SubPageType.SetPassword) as SetPasswordPanel;
                    if (setPasswordPanel != null)
                    {
                        // 根据场景设置不同模式
                        if (currentSceneType == CodeSceneType.Register)
                        {
                            setPasswordPanel.SetMode(SetPasswordPanel.SetPasswordMode.Register);
                        }
                        else
                        {
                            setPasswordPanel.SetMode(SetPasswordPanel.SetPasswordMode.ResetPassword);
                        }
                    }
                    ClearHistoryAndShow(LoginPageCtrl.SubPageType.SetPassword);
                },
                onError: (code, message) =>
                {
                    // 显示错误
                    errorText.text = LanguageManager.Instance.GetLanguage("100017");
                }
            );
        }

        private async void OnResend()
        {
            await LoginPageCtrl.Instance.SendCode(emailText.text, () =>
            {
                resendBtn.gameObject.SetActive(false);
                countdownText.gameObject.SetActive(true);
                Debug.Log("重新发送验证码");
                StartCountdown(countdownSeconds);
            });
        }

        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;
        }
    }
}