"use client"

import { useRef, useState, useEffect } from "react"
import Image from "next/image"
import Link from "next/link"
import { Card, CardContent } from "@/components/ui/card"
import { Button } from "@/components/ui/button"
import { ChevronLeft, ChevronRight, Info } from "lucide-react"
import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/components/ui/tooltip"
import { robots } from "@/lib/robot-data"

export default function RobotsShowcase() {
  const scrollContainerRef = useRef<HTMLDivElement>(null)
  const [activeIndex, setActiveIndex] = useState(0)

  // 创建一个循环数组，用于无限滚动
  const displayRobots = [...robots]

  const scroll = (direction: "left" | "right") => {
    if (scrollContainerRef.current) {
      const { current: container } = scrollContainerRef
      const cardWidth = container.querySelector(".robot-card")?.clientWidth || 350

      // 更新活跃索引
      if (direction === "left") {
        setActiveIndex((prev) => (prev === 0 ? robots.length - 1 : prev - 1))
      } else {
        setActiveIndex((prev) => (prev === robots.length - 1 ? 0 : prev + 1))
      }

      // 滚动到新的活跃卡片
      const newScrollPosition = activeIndex * (cardWidth + 24) // 24 是 gap-6
      container.scrollTo({
        left: newScrollPosition,
        behavior: "smooth",
      })
    }
  }

  // 使用 useEffect 监听活跃索引变化，滚动到对应位置
  useEffect(() => {
    if (scrollContainerRef.current) {
      const cardWidth = scrollContainerRef.current.querySelector(".robot-card")?.clientWidth || 350
      const newScrollPosition = activeIndex * (cardWidth + 24) // 24 是 gap-6
      scrollContainerRef.current.scrollTo({
        left: newScrollPosition,
        behavior: "smooth",
      })
    }
  }, [activeIndex])

  return (
    <section id="robots" className="py-20 relative overflow-hidden">
      <div className="absolute right-0 top-0 bottom-0 red-section z-0" />

      <div className="container mx-auto px-4 relative z-10">
        <div className="flex flex-col md:flex-row gap-8 mb-12">
          <div className="md:w-1/3">
            <div className="red-accent pl-4">
              <h2 className="text-3xl font-bold mb-2 uppercase">机器人</h2>
              <p className="text-xs text-muted-foreground uppercase mb-4 font-mono">ROBOTS</p>
            </div>
            <div className="diagonal-line mb-8"></div>
            <div className="content-overlay">
              <p className="text-muted-foreground leading-relaxed">
                探索我们为 RoboMaster 竞赛设计的尖端机器人，每款机器人都针对赛场上的特定战术角色而设计。
              </p>
            </div>
          </div>
        </div>

        <div className="relative">
          <Button
            variant="outline"
            size="icon"
            className="absolute left-0 top-1/2 -translate-y-1/2 z-10 bg-background/80 backdrop-blur-sm border-white/10 button-hover-effect"
            onClick={() => scroll("left")}
          >
            <ChevronLeft className="h-6 w-6" />
          </Button>

          <div ref={scrollContainerRef} className="flex gap-6 overflow-x-auto scrollbar-hide py-4 px-2">
            {displayRobots.map((robot, index) => (
              <Card
                key={robot.id}
                className="min-w-[300px] md:min-w-[350px] border-white/10 bg-background/60 backdrop-blur-sm flex-shrink-0 card-hover-effect robot-card"
              >
                <CardContent className="p-0">
                  <div className="relative">
                    <Image
                      src={robot.image || "/placeholder.svg"}
                      alt={robot.displayName}
                      width={350}
                      height={200}
                      className="w-full h-48 object-cover"
                    />
                    <div className="absolute top-0 right-0 bg-primary text-primary-foreground text-xs px-3 py-1">
                      {robot.category}
                    </div>
                    <div className="absolute bottom-0 left-0 p-2">
                      <p className="text-xs text-primary font-mono">{`0${index + 1}/0${robots.length}`}</p>
                    </div>
                  </div>

                  <div className="p-4">
                    <div className="flex justify-between items-start mb-2">
                      <h3 className="text-xl font-bold">{robot.displayName}</h3>
                      <TooltipProvider>
                        <Tooltip>
                          <TooltipTrigger asChild>
                            <Button variant="ghost" size="icon" className="h-8 w-8 button-hover-effect">
                              <Info className="h-4 w-4" />
                            </Button>
                          </TooltipTrigger>
                          <TooltipContent className="max-w-[250px]">
                            <div className="space-y-2">
                              <p className="font-bold">技术参数:</p>
                              <ul className="text-xs space-y-1">
                                {robot.simpleSpecs.map((spec, specIndex) => (
                                  <li key={specIndex}>{spec}</li>
                                ))}
                              </ul>
                            </div>
                          </TooltipContent>
                        </Tooltip>
                      </TooltipProvider>
                    </div>

                    <p className="text-sm text-muted-foreground mb-4 leading-relaxed">{robot.shortDescription}</p>

                    <Link href={`/robots#${robot.id}`}>
                      <Button variant="outline" size="sm" className="w-full border-white/10 button-hover-effect">
                        查看详情
                      </Button>
                    </Link>
                  </div>
                </CardContent>
              </Card>
            ))}
          </div>

          <Button
            variant="outline"
            size="icon"
            className="absolute right-0 top-1/2 -translate-y-1/2 z-10 bg-background/80 backdrop-blur-sm border-white/10 button-hover-effect"
            onClick={() => scroll("right")}
          >
            <ChevronRight className="h-6 w-6" />
          </Button>

          {/* 添加索引指示器 */}
          <div className="flex justify-center mt-6 gap-2">
            {robots.map((_, index) => (
              <button
                key={index}
                className={`w-2 h-2 rounded-full transition-all ${
                  activeIndex === index ? "bg-primary w-4" : "bg-gray-500"
                }`}
                onClick={() => setActiveIndex(index)}
              />
            ))}
          </div>
        </div>
      </div>
    </section>
  )
}