import Link from 'next/link';
import { calculateSaju } from '@/lib/saju-calculator';
import PDFButton from '../components/PDFButton';
import Header from '@/components/Header';
import Footer from '@/components/Footer';

interface PageProps {
  searchParams: Promise<{
    year: string;
    month: string;
    day: string;
    hour?: string;
    gender: 'male' | 'female';
    calendarType: 'solar' | 'lunar';
  }>;
}

export default async function FortunePage({ searchParams }: PageProps) {
  const params = await searchParams;
  const { year, month, day, hour, gender } = params;

  const yearNum = parseInt(year);
  const monthNum = parseInt(month);
  const dayNum = parseInt(day);
  const hourNum = hour ? parseInt(hour) : null;

  const sajuData = calculateSaju(yearNum, monthNum, dayNum, hourNum, gender);

  // 오늘 날짜
  const today = new Date();
  const todayYear = today.getFullYear();
  const todayMonth = today.getMonth() + 1;
  const todayDay = today.getDate();

  // 오늘의 간지 계산 (시간은 12시로 고정)
  const todayGanzi = calculateSaju(todayYear, todayMonth, todayDay, 12, gender);

  // 안전하게 stem 접근
  const todayStem = todayGanzi?.day?.stem || '甲';
  const todayBranch = todayGanzi?.day?.branch || '子';
  const userStem = sajuData?.day?.stem || '甲';

  // 운세 점수 계산 (간단한 알고리즘)
  const calculateFortuneScore = (category: string): number => {
    const seed = userStem.charCodeAt(0) + todayStem.charCodeAt(0) + category.charCodeAt(0);
    return 60 + (seed % 40);
  };

  const fortuneCategories = [
    { name: '종합운', icon: '⭐', score: calculateFortuneScore('종합'), color: 'bg-gradient-to-r from-[#173658] to-[#1e426a]' },
    { name: '금전운', icon: '💰', score: calculateFortuneScore('금전'), color: 'bg-gradient-to-r from-green-600 to-emerald-600' },
    { name: '애정운', icon: '💕', score: calculateFortuneScore('애정'), color: 'bg-gradient-to-r from-pink-600 to-rose-600' },
    { name: '건강운', icon: '🏥', score: calculateFortuneScore('건강'), color: 'bg-gradient-to-r from-red-600 to-orange-600' },
    { name: '직장운', icon: '💼', score: calculateFortuneScore('직장'), color: 'bg-gradient-to-r from-blue-600 to-cyan-600' },
    { name: '학업운', icon: '📚', score: calculateFortuneScore('학업'), color: 'bg-gradient-to-r from-purple-600 to-indigo-600' },
  ];

  const getScoreText = (score: number): string => {
    if (score >= 90) return '최고';
    if (score >= 80) return '좋음';
    if (score >= 70) return '보통';
    if (score >= 60) return '주의';
    return '나쁨';
  };

  const getScoreColor = (score: number): string => {
    if (score >= 90) return 'text-green-600';
    if (score >= 80) return 'text-blue-600';
    if (score >= 70) return 'text-yellow-600';
    if (score >= 60) return 'text-orange-600';
    return 'text-red-600';
  };

  // 행운의 방향과 색깔 (일간 기준)
  const getLuckyDirection = (stem: string): string => {
    const directions: { [key: string]: string } = {
      '甲': '동쪽', '乙': '동쪽',
      '丙': '남쪽', '丁': '남쪽',
      '戊': '중앙', '己': '중앙',
      '庚': '서쪽', '辛': '서쪽',
      '壬': '북쪽', '癸': '북쪽',
    };
    return directions[stem] || '동쪽';
  };

  const getLuckyColor = (element: string): string => {
    const colors: { [key: string]: string } = {
      '木': '녹색',
      '火': '빨강색',
      '土': '노란색',
      '金': '흰색',
      '水': '검정색',
    };
    return colors[element] || '녹색';
  };

  const getLuckyNumber = (stem: string): number => {
    return (stem.charCodeAt(0) % 9) + 1;
  };

  return (
    <div className="min-h-screen bg-[#F3E7E3]">
      <Header />

      {/* Content */}
      <div id="pdf-content" className="container-custom pt-24 pb-12">
        {/* Header */}
        <div className="text-center mb-12">
          <h1 className="text-3xl md:text-4xl font-bold text-[#173658] mb-4">
            오늘의 운세
          </h1>
          <p className="text-xl text-[#5d6d7e]">
            {todayYear}년 {todayMonth}월 {todayDay}일 ({todayStem}{todayBranch})
          </p>
          <p className="text-lg text-[#5d6d7e] mt-2">
            {sajuData.birthDate.year}년생 {gender === 'male' ? '남성' : '여성'}의 오늘 운세
          </p>
        </div>

        {/* 운세 점수 카드들 */}
        <div className="grid md:grid-cols-2 lg:grid-cols-3 gap-6 mb-8">
          {fortuneCategories.map((category) => (
            <div key={category.name} className="glass-panel-light rounded-2xl p-6 card-hover">
              <div className="flex items-center justify-between mb-4">
                <div className="flex items-center gap-3">
                  <span className="text-4xl">{category.icon}</span>
                  <h3 className="text-xl font-bold text-[#173658]">{category.name}</h3>
                </div>
                <span className={`text-2xl font-bold ${getScoreColor(category.score)}`}>
                  {category.score}점
                </span>
              </div>
              <div className="w-full bg-gray-200 rounded-full h-3 mb-2">
                <div
                  className={`${category.color} h-3 rounded-full transition-all duration-500`}
                  style={{ width: `${category.score}%` }}
                ></div>
              </div>
              <p className="text-sm text-[#5d6d7e] text-right font-bold">{getScoreText(category.score)}</p>
            </div>
          ))}
        </div>

        {/* 오늘의 한마디 */}
        <div className="bg-gradient-to-r from-[#173658] to-[#1e426a] rounded-2xl p-8 md:p-12 mb-8 text-white pattern-overlay">
          <h2 className="text-2xl md:text-3xl font-bold mb-6 text-center">💬 오늘의 한마디</h2>
          <p className="text-lg md:text-xl leading-relaxed text-center">
            {sajuData.day.element === '木' && '나무가 자라듯 꾸준히 노력하면 좋은 결과가 있을 것입니다. 새로운 시작에 좋은 날입니다.'}
            {sajuData.day.element === '火' && '활발한 기운이 가득한 날입니다. 적극적으로 행동하면 좋은 기회를 잡을 수 있습니다.'}
            {sajuData.day.element === '土' && '안정적인 하루가 될 것입니다. 차근차근 계획을 세우고 실행하면 좋습니다.'}
            {sajuData.day.element === '金' && '명확한 판단이 필요한 날입니다. 원칙을 지키며 행동하면 좋은 결과가 있을 것입니다.'}
            {sajuData.day.element === '水' && '유연한 사고가 도움이 되는 날입니다. 주변 사람들과의 소통을 중요하게 여기세요.'}
          </p>
        </div>

        {/* 행운의 요소들 */}
        <div className="grid md:grid-cols-3 gap-6 mb-8">
          {/* 행운의 방향 */}
          <div className="glass-panel-light rounded-2xl p-8 text-center card-hover">
            <div className="text-5xl mb-4">🧭</div>
            <h3 className="text-2xl font-bold text-[#173658] mb-3">행운의 방향</h3>
            <p className="text-3xl font-bold text-[#d4af37]">{getLuckyDirection(userStem)}</p>
            <p className="text-sm text-[#5d6d7e] mt-2">이 방향으로 외출하면 좋습니다</p>
          </div>

          {/* 행운의 색깔 */}
          <div className="glass-panel-light rounded-2xl p-8 text-center card-hover">
            <div className="text-5xl mb-4">🎨</div>
            <h3 className="text-2xl font-bold text-[#173658] mb-3">행운의 색깔</h3>
            <p className="text-3xl font-bold text-[#d4af37]">{getLuckyColor(sajuData.day.element)}</p>
            <p className="text-sm text-[#5d6d7e] mt-2">이 색깔의 옷을 입으면 좋습니다</p>
          </div>

          {/* 행운의 숫자 */}
          <div className="glass-panel-light rounded-2xl p-8 text-center card-hover">
            <div className="text-5xl mb-4">🎲</div>
            <h3 className="text-2xl font-bold text-[#173658] mb-3">행운의 숫자</h3>
            <p className="text-3xl font-bold text-[#d4af37]">{getLuckyNumber(userStem)}</p>
            <p className="text-sm text-[#5d6d7e] mt-2">오늘의 행운을 가져다 줄 숫자</p>
          </div>
        </div>

        {/* 주의사항 */}
        <div className="glass-panel-light rounded-2xl p-8 mb-8">
          <h3 className="text-2xl font-bold text-[#173658] mb-6 flex items-center">
            <span className="text-3xl mr-3">⚠️</span>
            오늘 주의할 점
          </h3>
          <ul className="space-y-3 text-[#5d6d7e]">
            <li className="flex items-start">
              <span className="text-[#d4af37] mr-2 font-bold">•</span>
              <span>중요한 결정은 오전보다 오후에 하는 것이 좋습니다.</span>
            </li>
            <li className="flex items-start">
              <span className="text-[#d4af37] mr-2 font-bold">•</span>
              <span>감정적인 대화는 피하고 침착하게 대응하세요.</span>
            </li>
            <li className="flex items-start">
              <span className="text-[#d4af37] mr-2 font-bold">•</span>
              <span>건강 관리에 신경 쓰고 무리하지 마세요.</span>
            </li>
          </ul>
        </div>

        {/* 다른 메뉴 */}
        <div className="grid md:grid-cols-2 lg:grid-cols-4 gap-4">
          <Link
            href={`/result?${new URLSearchParams(params as any).toString()}`}
            className="glass-panel-light rounded-xl p-6 card-hover text-center"
          >
            <div className="text-4xl mb-3">📜</div>
            <h3 className="text-lg font-bold text-[#173658] mb-1">사주팔자</h3>
            <p className="text-[#5d6d7e] text-sm">내 사주 다시 보기</p>
          </Link>

          <Link
            href="/compatibility"
            className="glass-panel-light rounded-xl p-6 card-hover text-center"
          >
            <div className="text-4xl mb-3">💕</div>
            <h3 className="text-lg font-bold text-[#173658] mb-1">궁합 보기</h3>
            <p className="text-[#5d6d7e] text-sm">두 사람의 궁합 확인</p>
          </Link>

          <Link
            href="/tojeong"
            className="glass-panel-light rounded-xl p-6 card-hover text-center"
          >
            <div className="text-4xl mb-3">🎋</div>
            <h3 className="text-lg font-bold text-[#173658] mb-1">토정비결</h3>
            <p className="text-[#5d6d7e] text-sm">한 해의 운세 보기</p>
          </Link>

          <PDFButton
            elementId="pdf-content"
            filename={`오늘의운세_${todayYear}${todayMonth}${todayDay}.pdf`}
            buttonText="PDF 저장"
          />
        </div>
      </div>

      <Footer />
    </div>
  );
}