"use client";

import { useState } from "react";

type TabType = "friends" | "dating";

interface Profile {
  id: string;
  name: string;
  age: number;
  location: string;
  tags: string[];
  bio: string;
  gradient: string;
  initial: string;
  avatarColor: string;
  photo: string;
}

interface MatchCard {
  id: string;
  name: string;
  location: string;
  timeAgo: string;
  initial: string;
  color: string;
  photo: string;
}

const MOCK_PROFILES: Profile[] = [
  { id: "1", name: "林晓雨", age: 28, location: "大理", tags: ["本科学历", "远程工作者", "数字游民", "咖啡爱好者"], bio: "数字游民三年，目前在云南大理远程做产品设计。喜欢爬山、摄影，周末常去洱海边发呆。", gradient: "from-rose-400 via-pink-400 to-fuchsia-400", initial: "林", avatarColor: "bg-rose-500", photo: "https://i.pravatar.cc/150?img=1" },
  { id: "2", name: "陈浩然", age: 32, location: "成都", tags: ["硕士学历", "独立开发者", "自由职业者", "素食主义"], bio: "在成都住了两年，做独立开发。喜欢冲浪和冥想，寻找志同道合的旅伴一起探索世界。", gradient: "from-amber-400 via-orange-400 to-red-400", initial: "陈", avatarColor: "bg-amber-500", photo: "https://i.pravatar.cc/150?img=3" },
  { id: "3", name: "王思琪", age: 26, location: "深圳", tags: ["本科学历", "内容创作者", "数字游民", "环保主义者"], bio: "自由撰稿人，在深圳写写画画。热爱瑜伽和冥想，相信慢生活才是真正的奢侈。", gradient: "from-emerald-400 via-teal-400 to-cyan-400", initial: "王", avatarColor: "bg-emerald-500", photo: "https://i.pravatar.cc/150?img=5" },
  { id: "4", name: "张明远", age: 30, location: "杭州", tags: ["MBA学历", "创业中", "自由职业者", "徒步爱好者"], bio: "正在杭州创业，做远程团队协作工具。周末喜欢去西湖徒步，偶尔品鉴龙井茶。", gradient: "from-violet-400 via-purple-400 to-indigo-400", initial: "张", avatarColor: "bg-violet-500", photo: "https://i.pravatar.cc/150?img=7" },
  { id: "5", name: "李雅婷", age: 27, location: "厦门", tags: ["本科学历", "UI设计师", "数字游民", "摄影爱好者"], bio: "在厦门远程做UI设计，业余时间探索闽南美食。喜欢用相机记录生活，寻找一起探店的朋友。", gradient: "from-rose-500 via-red-400 to-orange-500", initial: "李", avatarColor: "bg-rose-500", photo: "https://i.pravatar.cc/150?img=9" },
  { id: "6", name: "刘子轩", age: 33, location: "昆明", tags: ["博士学历", "数据科学家", "远程工作者", "户外爱好者"], bio: "在昆明远程工作，热爱户外运动。正在探索云南各地，希望认识更多志同道合的朋友。", gradient: "from-blue-400 via-indigo-400 to-violet-500", initial: "刘", avatarColor: "bg-blue-500", photo: "https://i.pravatar.cc/150?img=11" },
];

const MOCK_MATCHES: MatchCard[] = [
  { id: "m1", name: "周雨桐", location: "杭州", timeAgo: "2天前", initial: "周", color: "bg-pink-400", photo: "https://i.pravatar.cc/150?img=29" },
  { id: "m2", name: "吴俊杰", location: "成都", timeAgo: "1周前", initial: "吴", color: "bg-amber-400", photo: "https://i.pravatar.cc/150?img=34" },
  { id: "m3", name: "郑诗涵", location: "上海", timeAgo: "3周前", initial: "郑", color: "bg-emerald-400", photo: "https://i.pravatar.cc/150?img=36" },
  { id: "m4", name: "孙宇航", location: "深圳", timeAgo: "1月前", initial: "孙", color: "bg-violet-400", photo: "https://i.pravatar.cc/150?img=38" },
  { id: "m5", name: "赵梦琪", location: "厦门", timeAgo: "1年前", initial: "赵", color: "bg-rose-400", photo: "https://i.pravatar.cc/150?img=41" },
];

export default function DatingPage() {
  const [activeTab, setActiveTab] = useState<TabType>("friends");
  const [currentIndex, setCurrentIndex] = useState(0);

  const currentProfile = MOCK_PROFILES[currentIndex];
  const hasMoreProfiles = currentIndex < MOCK_PROFILES.length - 1;

  const handleLike = () => {
    setCurrentIndex((i) => (hasMoreProfiles ? i + 1 : 0));
  };

  const handleDislike = () => {
    setCurrentIndex((i) => (hasMoreProfiles ? i + 1 : 0));
  };

  const badgeText = activeTab === "dating" ? "你们都在寻找 🌹 约会" : "你们都在寻找 🤝 交友";

  return (
    <div className="min-h-screen bg-[#fafafa] dark:bg-gray-950">
      <div className="flex justify-center pt-6 pb-4 px-4">
        <div className="inline-flex rounded-full bg-white dark:bg-gray-900 p-1 shadow-sm border border-gray-100 dark:border-gray-800">
          <button
            onClick={() => setActiveTab("friends")}
            className={`px-6 py-2.5 rounded-full text-sm font-medium transition-all duration-200 ${
              activeTab === "friends" ? "bg-[#ff4d4f] text-white shadow-sm" : "text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-100"
            }`}
          >
            交友
          </button>
          <button
            onClick={() => setActiveTab("dating")}
            className={`px-6 py-2.5 rounded-full text-sm font-medium transition-all duration-200 ${
              activeTab === "dating" ? "bg-[#ff4d4f] text-white shadow-sm" : "text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-100"
            }`}
          >
            约会
          </button>
        </div>
      </div>

      <div className="flex flex-col md:flex-row gap-6 max-w-7xl mx-auto px-4 pb-12">
        <aside className="hidden md:block w-72 flex-shrink-0">
          <div className="sticky top-24">
            <h2 className="text-lg font-semibold text-gray-900 dark:text-gray-100 mb-1">约会匹配 💕</h2>
            <p className="text-sm text-gray-500 dark:text-gray-400 mb-4">这些人喜欢了你</p>
            <div className="space-y-3">
              {MOCK_MATCHES.map((match) => (
                <div key={match.id} className="flex items-center gap-3 p-3 rounded-xl bg-white dark:bg-gray-900 border border-gray-100 dark:border-gray-800 shadow-sm hover:shadow-md transition-shadow cursor-pointer">
                  <img src={match.photo} alt={match.name} className="w-12 h-12 rounded-full object-cover shadow-sm flex-shrink-0" />
                  <div className="flex-1 min-w-0">
                    <p className="font-medium text-gray-900 dark:text-gray-100 truncate">{match.name}</p>
                    <p className="text-xs text-gray-500 dark:text-gray-400 truncate">{match.location}</p>
                  </div>
                  <span className="text-xs text-gray-400 dark:text-gray-500 bg-gray-50 dark:bg-gray-800 px-2 py-1 rounded-full flex-shrink-0">{match.timeAgo}</span>
                </div>
              ))}
            </div>
          </div>
        </aside>

        <main className="flex-1 min-w-0 flex flex-col items-center">
          <div className="w-full max-w-md mx-auto">
            <div className={`relative rounded-2xl overflow-hidden bg-gradient-to-br ${currentProfile.gradient} p-8 pb-6 shadow-xl border border-white/20`}>
              <div className="absolute top-4 right-4 flex flex-col items-end gap-1">
                <span className="px-3 py-1.5 rounded-full bg-white/90 text-gray-800 text-xs font-medium backdrop-blur-sm">{badgeText}</span>
                <a href="#" className="text-[#ff4d4f] hover:text-red-600 text-sm font-medium">举报资料</a>
              </div>
              <div className="flex justify-center mt-12 mb-6">
                <img src={currentProfile.photo} alt={currentProfile.name} className="w-28 h-28 rounded-full shadow-lg border-4 border-white/50 object-cover" />
              </div>
              <div className="text-center mb-4">
                <h3 className="text-xl font-bold text-white drop-shadow-sm">{currentProfile.name}，{currentProfile.age}</h3>
                <p className="text-white/90 text-sm mt-1">📍 {currentProfile.location}</p>
              </div>
              <div className="mb-4">
                <p className="text-white/90 text-xs font-medium mb-2">匹配标签:</p>
                <div className="flex flex-wrap gap-2 justify-center">
                  {currentProfile.tags.map((tag) => (
                    <span key={tag} className="px-3 py-1 rounded-full bg-white/80 text-gray-800 text-xs font-medium">{tag}</span>
                  ))}
                </div>
              </div>
              <p className="text-white/95 text-sm leading-relaxed text-center mb-8 px-2">{currentProfile.bio}</p>
              <div className="flex items-center justify-center gap-8">
                <div className="flex flex-col items-center gap-2">
                  <button onClick={handleDislike} className="w-16 h-16 rounded-full bg-white shadow-lg flex items-center justify-center text-[#ff4d4f] hover:bg-red-50 hover:scale-105 active:scale-95 transition-all" aria-label="不感兴趣">
                    <span className="text-2xl">✕</span>
                  </button>
                  <span className="text-xs text-white/80 font-medium">不感兴趣</span>
                </div>
                <div className="flex flex-col items-center gap-2">
                  <button onClick={handleLike} className="w-16 h-16 rounded-full bg-[#22c55e] shadow-lg flex items-center justify-center text-white hover:bg-[#16a34a] hover:scale-105 active:scale-95 transition-all" aria-label="喜欢">
                    <span className="text-2xl">💚</span>
                  </button>
                  <span className="text-xs text-white/80 font-medium">喜欢</span>
                </div>
              </div>
            </div>
            <p className="text-center text-sm text-gray-500 dark:text-gray-400 mt-4">{currentIndex + 1} / {MOCK_PROFILES.length}</p>
          </div>
        </main>
        <div className="hidden lg:block w-72 flex-shrink-0" />
      </div>
    </div>
  );
}