import { useEffect, useState } from 'react'
import { SingleChoice } from '@/components'
import SuccessAlert from '@/components/layout/alert/success-alert'
import type { SingleChoiceQuizPanelProps } from './types'

/**
 * 单选题面板组件
 *
 * 内部管理选择状态，点击选项后自动提交并验证答案
 *
 * @example
 * ```tsx
 * <SingleChoiceQuizPanel
 *   visible={true}
 *   title="这是一道单选题"
 *   options={[
 *     { value: "A", label: "选项A" },
 *     { value: "B", label: "选项B" },
 *   ]}
 *   correctAnswer="B"
 *   errorMessage="再想一想，注意题干中的时间和提示信息哦～"
 *   onSubmit={(value, isCorrect) => {
 *     console.log("用户选择:", value, "是否正确:", isCorrect);
 *   }}
 *   onError={(error) => {
 *     console.log("错误信息:", error);
 *   }}
 * />
 * ```
 */
const SingleChoiceQuizPanel = ({
  visible,
  zIndex = 10000,
  title,
  options,
  correctAnswer,
  errorMessage,
  onSubmit,
  onWrongSelect,
  onError,
  disabled = false,
  showSuccessAlert = false,
  successAlertProps,
  onSuccessContinue,
}: SingleChoiceQuizPanelProps) => {
  const [selectedValue, setSelectedValue] = useState<string>('')
  const [error, setError] = useState<string>('')
  const [successAlertVisible, setSuccessAlertVisible] = useState<boolean>(false)

  // 当窗口关闭时，重置内部状态
  useEffect(() => {
    if (!visible) {
      setSelectedValue('')
      setError('')
      setSuccessAlertVisible(false)
    }
  }, [visible])

  // 当成功弹窗显示时，隐藏题目面板，避免双层遮罩叠加
  const shouldRenderQuizPanel = visible && !successAlertVisible

  if (!visible) return null

  // 约定：显式开启，或传入 title/content 任一文案，即启用答对成功弹窗
  const hasSuccessAlertCopy =
    Boolean(successAlertProps?.title) || Boolean(successAlertProps?.content)
  const shouldShowSuccessAlert = showSuccessAlert || hasSuccessAlertCopy

  const handleSuccessContinue = () => {
    setSuccessAlertVisible(false)
    onSuccessContinue?.()
  }

  // 处理选项点击
  const handleOptionClick = (value: string) => {
    if (disabled) return

    setSelectedValue(value)
    setError('')

    // 验证答案
    const isCorrect = correctAnswer !== undefined ? value === correctAnswer : undefined

    // 如果提供了正确答案，进行验证
    if (correctAnswer !== undefined) {
      if (isCorrect) {
        // 答题成功：清空状态，执行 onSubmit（外部控制关闭窗口）
        setSelectedValue('')
        setError('')
        onSubmit?.(value, true)

        if (shouldShowSuccessAlert) {
          setSuccessAlertVisible(true)
        }
      } else {
        // 答题失败：清空状态，执行 onError，允许重新选择
        setSelectedValue('')
        const customError = onWrongSelect?.(value)
        const errorMsg = customError || errorMessage || '很抱歉，你选错了！请你再思考一下吧！'
        setError(errorMsg)
        onError?.(errorMsg)
      }
    } else {
      // 没有提供正确答案，直接提交
      setSelectedValue('')
      setError('')
      onSubmit?.(value, true)
    }
  }

  return (
    <>
      {shouldRenderQuizPanel && (
        <div
          className="fixed inset-0 flex items-center justify-center bg-black/40"
          style={{ zIndex }}
        >
          <div className="relative w-[1728px] h-[972px] flex flex-col items-center justify-center">
            {/* 题干卡片 */}
            <div className="w-[1700px] rounded-[32px] bg-black px-20 py-8 shadow-[0_20px_60px_rgba(240,190,117,0.8)] border-4 border-[#d4c5a9]">
              <div className="text-[34px] leading-relaxed text-white">{title}</div>

              {/* 答案反馈 */}
              {error && <div className="mt-5 text-center text-[26px] text-[#fcbe53]">{error}</div>}
            </div>

            {/* 选项区域 */}
            <div className="mt-16">
              <SingleChoice
                options={options}
                value={selectedValue}
                disabled={disabled}
                renderOption={(option, isSelected) => (
                  <div
                    key={option.value}
                    className="mb-6 cursor-pointer"
                    onClick={() => handleOptionClick(option.value)}
                  >
                    <div
                      className={`w-[1500px] flex items-center p-4 text-[28px] leading-relaxed rounded-tr-[50px] rounded-bl-4xl  transition-all duration-150 ${
                        disabled ? 'opacity-60 cursor-not-allowed' : 'cursor-pointer'
                      } ${
                        isSelected
                          ? 'bg-[#d4a574] text-[#5c3e2e]'
                          : 'bg-[#d7b888] text-[#5c3e2e] hover:bg-linear-to-r from-[#ddf3e1] to-[#fbdd97]'
                      }`}
                    >
                      {option.label}
                    </div>
                  </div>
                )}
              />
            </div>
          </div>
        </div>
      )}

      {shouldShowSuccessAlert && (
        <SuccessAlert
          {...successAlertProps}
          visible={successAlertVisible}
          onClose={handleSuccessContinue}
        />
      )}
    </>
  )
}

export default SingleChoiceQuizPanel