/**
 * WeatherCard.tsx - 统一的天气卡片组件
 * 集成搜索表单、天气展示、搜索历史于一体
 *
 * 学习要点：
 * - 直接使用 store，无需通过 props 传递
 * - 组件更加独立和可复用
 * - 减少 prop drilling
 */

import React, { useEffect } from 'react';
import { WeatherSearchForm } from './WeatherSearchForm';
import { WeatherDisplay } from './WeatherDisplay';
import { WeatherDetailsGrid } from './WeatherDetailsGrid';
import { useWeatherStore } from '@/store/weatherStore';
import {Cloud} from "lucide-react";

export function WeatherCard() {
  const { currentWeather } = useWeatherStore();
  return (
    <div className="relative overflow-hidden rounded-3xl bg-white/80 dark:bg-slate-800/80 backdrop-blur-xl border border-slate-200/80 dark:border-slate-700/80 shadow-2xl shadow-slate-200/50 dark:shadow-slate-900/50 transition-all duration-300">
      {/* 搜索表单区域 */}
      <WeatherSearchForm />

      {/* 天气内容区域 */}

      {currentWeather ? (
        <div className="p-6">
          <WeatherDisplay />
          
          <WeatherDetailsGrid />
        </div>
      ) :  (
          <div className="flex flex-col items-center justify-center py-16 px-6 text-center">
              <div className="relative mb-6">
                  <div className="absolute inset-0 bg-gradient-to-br from-blue-400 to-cyan-400 rounded-full opacity-10 blur-2xl"></div>
                  <div className="relative w-20 h-20 rounded-full bg-gradient-to-br from-blue-100 to-cyan-100 dark:from-blue-900/30 dark:to-cyan-900/30 flex items-center justify-center">
                      <Cloud className="w-10 h-10 text-blue-500 dark:text-blue-400" />
                  </div>
              </div>
              <h3 className="text-lg font-semibold text-slate-700 dark:text-slate-200 mb-2">
                  暂无天气数据
              </h3>
              <p className="text-sm text-slate-500 dark:text-slate-400">
                  请搜索城市查看实时天气信息
              </p>
          </div>
      )}
    </div>
  );
}