import { calculateSaju } from '@/lib/saju-calculator';
import Link from 'next/link';
import PDFButton from '../components/PDFButton';
import ShareButtons from '../components/ShareButtons';
import { calculateDaeun, getCurrentDaeun, getDaeunDescription } from '@/lib/daeun-calculator';
import { getCurrentSolarTerm, getSolarTermName, getSolarTermMonthBranch } from '@/lib/solar-terms';
import { EARTHLY_BRANCHES_KR } from '@/lib/saju-calculator';
import { generateInterpretation, calculateElementScore } from '@/lib/ai-interpretation';

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

export default async function ResultPage({ 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);

  // 절기 정보
  const solarTermIndex = getCurrentSolarTerm(yearNum, monthNum, dayNum);
  const solarTermName = getSolarTermName(solarTermIndex);
  const monthBranchIndex = getSolarTermMonthBranch(yearNum, monthNum, dayNum);
  const monthBranchName = EARTHLY_BRANCHES_KR[monthBranchIndex];

  // AI 해석 생성
  const interpretation = generateInterpretation(sajuData);
  const elementScores = calculateElementScore(sajuData);

  // 대운 계산
  const daeunList = calculateDaeun(
    yearNum,
    monthNum,
    dayNum,
    gender,
    sajuData.month.stem,
    sajuData.month.branch
  );
  const currentYear = new Date().getFullYear();
  const currentDaeun = getCurrentDaeun(daeunList, currentYear);

  return (
    <div className="min-h-screen bg-gradient-to-br from-indigo-50 via-purple-50 to-pink-50">
      {/* Navigation */}
      <nav className="bg-white/80 backdrop-blur-md border-b border-gray-200 sticky top-0 z-50">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
          <div className="flex justify-between items-center h-16">
            <Link href="/" className="text-2xl font-bold bg-gradient-to-r from-indigo-600 to-purple-600 bg-clip-text text-transparent">
              🔮 사주보기
            </Link>
            <Link
              href="/"
              className="text-gray-700 hover:text-indigo-600 transition font-medium"
            >
              다시 보기
            </Link>
          </div>
        </div>
      </nav>

      {/* Result Content */}
      <div id="pdf-content" className="max-w-6xl mx-auto px-4 py-12">
        {/* Header */}
        <div className="text-center mb-12">
          <h1 className="text-4xl md:text-5xl font-bold text-gray-900 mb-4">
            내 사주팔자
          </h1>
          <p className="text-xl text-gray-600">
            {yearNum}년 {monthNum}월 {dayNum}일 {hourNum !== null && `${hourNum}시`}
            {gender === 'male' ? ' 남성' : ' 여성'}
          </p>
        </div>

        {/* 사주팔자 표 */}
        <div className="bg-white rounded-3xl shadow-2xl p-8 md:p-12 mb-8">
          <h2 className="text-3xl font-bold text-gray-900 mb-8 text-center">사주팔자 (四柱八字)</h2>

          <div className="overflow-x-auto">
            <table className="w-full border-collapse">
              <thead>
                <tr className="bg-gradient-to-r from-indigo-600 to-purple-600 text-white">
                  <th className="py-4 px-6 text-center font-bold text-lg">구분</th>
                  {sajuData.hour && <th className="py-4 px-6 text-center font-bold text-lg">시주 (時柱)</th>}
                  <th className="py-4 px-6 text-center font-bold text-lg">일주 (日柱)</th>
                  <th className="py-4 px-6 text-center font-bold text-lg">월주 (月柱)</th>
                  <th className="py-4 px-6 text-center font-bold text-lg">년주 (年柱)</th>
                </tr>
              </thead>
              <tbody>
                {/* 천간 */}
                <tr className="border-b border-gray-200 hover:bg-indigo-50 transition">
                  <td className="py-4 px-6 text-center font-semibold text-gray-700">천간 (天干)</td>
                  {sajuData.hour && (
                    <td className="py-4 px-6 text-center">
                      <div className="text-3xl font-bold text-indigo-600">{sajuData.hour.stem}</div>
                      <div className="text-sm text-gray-600 mt-1">{sajuData.hour.stemKr}</div>
                    </td>
                  )}
                  <td className="py-4 px-6 text-center bg-blue-50">
                    <div className="text-3xl font-bold text-blue-600">{sajuData.day.stem}</div>
                    <div className="text-sm text-gray-600 mt-1">{sajuData.day.stemKr}</div>
                    <div className="text-xs text-blue-600 font-semibold mt-1">일간 (日干)</div>
                  </td>
                  <td className="py-4 px-6 text-center">
                    <div className="text-3xl font-bold text-indigo-600">{sajuData.month.stem}</div>
                    <div className="text-sm text-gray-600 mt-1">{sajuData.month.stemKr}</div>
                  </td>
                  <td className="py-4 px-6 text-center">
                    <div className="text-3xl font-bold text-indigo-600">{sajuData.year.stem}</div>
                    <div className="text-sm text-gray-600 mt-1">{sajuData.year.stemKr}</div>
                  </td>
                </tr>

                {/* 지지 */}
                <tr className="border-b border-gray-200 hover:bg-purple-50 transition">
                  <td className="py-4 px-6 text-center font-semibold text-gray-700">지지 (地支)</td>
                  {sajuData.hour && (
                    <td className="py-4 px-6 text-center">
                      <div className="text-3xl font-bold text-purple-600">{sajuData.hour.branch}</div>
                      <div className="text-sm text-gray-600 mt-1">{sajuData.hour.branchKr}</div>
                    </td>
                  )}
                  <td className="py-4 px-6 text-center bg-blue-50">
                    <div className="text-3xl font-bold text-blue-600">{sajuData.day.branch}</div>
                    <div className="text-sm text-gray-600 mt-1">{sajuData.day.branchKr}</div>
                  </td>
                  <td className="py-4 px-6 text-center">
                    <div className="text-3xl font-bold text-purple-600">{sajuData.month.branch}</div>
                    <div className="text-sm text-gray-600 mt-1">{sajuData.month.branchKr}</div>
                  </td>
                  <td className="py-4 px-6 text-center">
                    <div className="text-3xl font-bold text-purple-600">{sajuData.year.branch}</div>
                    <div className="text-sm text-gray-600 mt-1">{sajuData.year.branchKr}</div>
                  </td>
                </tr>

                {/* 십성 */}
                <tr className="border-b border-gray-200 hover:bg-emerald-50 transition">
                  <td className="py-4 px-6 text-center font-semibold text-gray-700">십성 (十星)</td>
                  {sajuData.hour && (
                    <td className="py-4 px-6 text-center">
                      <div className="text-lg font-semibold text-emerald-600">{sajuData.hour.tenGod}</div>
                    </td>
                  )}
                  <td className="py-4 px-6 text-center bg-blue-50">
                    <div className="text-lg font-semibold text-blue-600">{sajuData.day.tenGod}</div>
                  </td>
                  <td className="py-4 px-6 text-center">
                    <div className="text-lg font-semibold text-emerald-600">{sajuData.month.tenGod}</div>
                  </td>
                  <td className="py-4 px-6 text-center">
                    <div className="text-lg font-semibold text-emerald-600">{sajuData.year.tenGod}</div>
                  </td>
                </tr>

                {/* 십이운성 */}
                <tr className="hover:bg-pink-50 transition">
                  <td className="py-4 px-6 text-center font-semibold text-gray-700">십이운성</td>
                  {sajuData.hour && (
                    <td className="py-4 px-6 text-center">
                      <div className="text-lg font-semibold text-pink-600">{sajuData.hour.fortune}</div>
                    </td>
                  )}
                  <td className="py-4 px-6 text-center bg-blue-50">
                    <div className="text-lg font-semibold text-blue-600">{sajuData.day.fortune}</div>
                  </td>
                  <td className="py-4 px-6 text-center">
                    <div className="text-lg font-semibold text-pink-600">{sajuData.month.fortune}</div>
                  </td>
                  <td className="py-4 px-6 text-center">
                    <div className="text-lg font-semibold text-pink-600">{sajuData.year.fortune}</div>
                  </td>
                </tr>
              </tbody>
            </table>
          </div>

          <div className="mt-6 space-y-3">
            <div className="p-4 bg-blue-50 rounded-xl">
              <p className="text-sm text-gray-700">
                <strong className="text-blue-600">일간 (日干):</strong> {sajuData.day.stem}({sajuData.day.stemKr}) - 나 자신을 나타내는 중심 기둥입니다.
              </p>
            </div>
            <div className="p-4 bg-green-50 rounded-xl">
              <p className="text-sm text-gray-700">
                <strong className="text-green-600">절기 (節氣):</strong> {solarTermName} 이후 -
                월주는 절기를 기준으로 {monthBranchName}월입니다.
              </p>
              <p className="text-xs text-gray-600 mt-1">
                * 사주 월주는 양력 월이 아닌 24절기를 기준으로 계산됩니다.
              </p>
            </div>
          </div>
        </div>

        {/* 사주 해석 */}
        <div className="grid md:grid-cols-2 gap-8 mb-8">
          {/* 성격 */}
          <div className="bg-white rounded-2xl shadow-lg p-8">
            <h3 className="text-2xl font-bold text-gray-900 mb-4 flex items-center">
              <span className="text-3xl mr-3">👤</span>
              성격 특징
            </h3>
            <div className="space-y-3 text-gray-700">
              <p className="leading-relaxed">
                일간이 <strong className="text-indigo-600">{sajuData.day.stem}({sajuData.day.stemKr})</strong>인 사람은
                {sajuData.day.element === '木' && ' 나무처럼 성장하고 발전하려는 의지가 강합니다. 창의적이고 진취적인 성향을 가지고 있습니다.'}
                {sajuData.day.element === '火' && ' 불처럼 열정적이고 활동적입니다. 리더십이 있고 사교성이 뛰어납니다.'}
                {sajuData.day.element === '土' && ' 흙처럼 안정적이고 신뢰감 있습니다. 포용력이 있고 책임감이 강합니다.'}
                {sajuData.day.element === '金' && ' 금속처럼 강인하고 원칙적입니다. 결단력 있고 의리를 중시합니다.'}
                {sajuData.day.element === '水' && ' 물처럼 유연하고 지혜롭습니다. 적응력이 뛰어나고 사려 깊습니다.'}
              </p>
            </div>
          </div>

          {/* 운세 */}
          <div className="bg-white rounded-2xl shadow-lg p-8">
            <h3 className="text-2xl font-bold text-gray-900 mb-4 flex items-center">
              <span className="text-3xl mr-3">🌟</span>
              운세 흐름
            </h3>
            <div className="space-y-3 text-gray-700">
              <p className="leading-relaxed">
                현재 십이운성이 <strong className="text-purple-600">{sajuData.day.fortune}</strong>으로,
                {sajuData.day.fortune === '장생' && ' 새로운 시작과 성장의 시기입니다.'}
                {sajuData.day.fortune === '목욕' && ' 정화와 준비의 시기입니다.'}
                {sajuData.day.fortune === '관대' && ' 사회적으로 인정받는 시기입니다.'}
                {sajuData.day.fortune === '건록' && ' 안정되고 왕성한 활동의 시기입니다.'}
                {sajuData.day.fortune === '제왕' && ' 최고의 전성기를 맞이하는 시기입니다.'}
                {sajuData.day.fortune === '쇠' && ' 조금씩 힘이 약해지는 시기입니다.'}
                {sajuData.day.fortune === '병' && ' 어려움이 있을 수 있는 시기입니다.'}
                {sajuData.day.fortune === '사' && ' 끝과 새 시작을 준비하는 시기입니다.'}
                {sajuData.day.fortune === '묘' && ' 잠시 휴식이 필요한 시기입니다.'}
                {sajuData.day.fortune === '절' && ' 극복과 인내가 필요한 시기입니다.'}
                {sajuData.day.fortune === '태' && ' 새로운 기운이 싹트는 시기입니다.'}
                {sajuData.day.fortune === '양' && ' 성장을 준비하는 시기입니다.'}
              </p>
            </div>
          </div>
        </div>

        {/* AI 상세 해석 */}
        <div className="bg-gradient-to-br from-purple-50 to-indigo-50 rounded-3xl shadow-2xl p-8 md:p-12 mb-8">
          <h2 className="text-3xl font-bold text-gray-900 mb-2 text-center flex items-center justify-center">
            <span className="text-4xl mr-3">🤖</span>
            AI 상세 해석
          </h2>
          <p className="text-center text-gray-600 mb-8">사주 데이터 분석 기반 맞춤 해석</p>

          {/* 오행 균형 */}
          <div className="bg-white rounded-2xl p-6 mb-6">
            <h3 className="text-xl font-bold text-gray-900 mb-4 flex items-center">
              <span className="text-2xl mr-2">⚖️</span>
              오행 균형
            </h3>
            <div className="grid grid-cols-5 gap-3">
              {Object.entries(elementScores).map(([element, score]) => (
                <div key={element} className="text-center">
                  <div className="text-2xl font-bold mb-1">{element}</div>
                  <div className="text-sm text-gray-600 mb-2">
                    {element === '木' && '목'}
                    {element === '火' && '화'}
                    {element === '土' && '토'}
                    {element === '金' && '금'}
                    {element === '水' && '수'}
                  </div>
                  <div className="w-full bg-gray-200 rounded-full h-2 mb-1">
                    <div
                      className={`h-2 rounded-full ${
                        element === sajuData.day.element
                          ? 'bg-gradient-to-r from-indigo-500 to-purple-500'
                          : 'bg-gray-400'
                      }`}
                      style={{ width: `${score}%` }}
                    ></div>
                  </div>
                  <div className="text-xs font-semibold text-gray-700">{score}%</div>
                </div>
              ))}
            </div>
          </div>

          {/* 장단점 */}
          <div className="grid md:grid-cols-2 gap-6 mb-6">
            <div className="bg-white rounded-2xl p-6">
              <h3 className="text-xl font-bold text-gray-900 mb-4 flex items-center">
                <span className="text-2xl mr-2">💪</span>
                장점
              </h3>
              <ul className="space-y-2">
                {interpretation.strengths.map((strength, i) => (
                  <li key={i} className="flex items-start text-gray-700">
                    <span className="text-green-600 mr-2">✓</span>
                    <span>{strength}</span>
                  </li>
                ))}
              </ul>
            </div>

            <div className="bg-white rounded-2xl p-6">
              <h3 className="text-xl font-bold text-gray-900 mb-4 flex items-center">
                <span className="text-2xl mr-2">⚠️</span>
                주의할 점
              </h3>
              <ul className="space-y-2">
                {interpretation.weaknesses.map((weakness, i) => (
                  <li key={i} className="flex items-start text-gray-700">
                    <span className="text-orange-600 mr-2">!</span>
                    <span>{weakness}</span>
                  </li>
                ))}
              </ul>
            </div>
          </div>

          {/* 직업, 대인관계, 재물, 건강 */}
          <div className="grid md:grid-cols-2 gap-6">
            {/* 직업 */}
            <div className="bg-white rounded-2xl p-6">
              <h3 className="text-xl font-bold text-gray-900 mb-4 flex items-center">
                <span className="text-2xl mr-2">💼</span>
                직업 운세
              </h3>
              <ul className="space-y-2">
                {interpretation.career.map((item, i) => (
                  <li key={i} className="flex items-start text-gray-700 text-sm">
                    <span className="text-blue-600 mr-2">•</span>
                    <span>{item}</span>
                  </li>
                ))}
              </ul>
            </div>

            {/* 대인관계 */}
            <div className="bg-white rounded-2xl p-6">
              <h3 className="text-xl font-bold text-gray-900 mb-4 flex items-center">
                <span className="text-2xl mr-2">👥</span>
                대인 관계
              </h3>
              <ul className="space-y-2">
                {interpretation.relationships.map((item, i) => (
                  <li key={i} className="flex items-start text-gray-700 text-sm">
                    <span className="text-pink-600 mr-2">•</span>
                    <span>{item}</span>
                  </li>
                ))}
              </ul>
            </div>

            {/* 재물 */}
            <div className="bg-white rounded-2xl p-6">
              <h3 className="text-xl font-bold text-gray-900 mb-4 flex items-center">
                <span className="text-2xl mr-2">💰</span>
                재물 운세
              </h3>
              <ul className="space-y-2">
                {interpretation.wealth.map((item, i) => (
                  <li key={i} className="flex items-start text-gray-700 text-sm">
                    <span className="text-yellow-600 mr-2">•</span>
                    <span>{item}</span>
                  </li>
                ))}
              </ul>
            </div>

            {/* 건강 */}
            <div className="bg-white rounded-2xl p-6">
              <h3 className="text-xl font-bold text-gray-900 mb-4 flex items-center">
                <span className="text-2xl mr-2">🏥</span>
                건강 운세
              </h3>
              <ul className="space-y-2">
                {interpretation.health.map((item, i) => (
                  <li key={i} className="flex items-start text-gray-700 text-sm">
                    <span className="text-red-600 mr-2">•</span>
                    <span>{item}</span>
                  </li>
                ))}
              </ul>
            </div>
          </div>

          {/* 조언 */}
          <div className="bg-white rounded-2xl p-6 mt-6">
            <h3 className="text-xl font-bold text-gray-900 mb-4 flex items-center">
              <span className="text-2xl mr-2">💡</span>
              AI의 조언
            </h3>
            <div className="grid md:grid-cols-2 gap-3">
              {interpretation.advice.map((item, i) => (
                <div key={i} className="flex items-start text-gray-700 text-sm bg-indigo-50 p-3 rounded-lg">
                  <span className="text-indigo-600 mr-2">→</span>
                  <span>{item}</span>
                </div>
              ))}
            </div>
          </div>

          <div className="mt-6 p-4 bg-purple-100 rounded-xl">
            <p className="text-xs text-gray-700 text-center">
              💡 AI 해석은 전통 사주 이론을 기반으로 생성되었습니다. 참고용으로 활용하시고,
              중요한 결정은 전문가와 상담하시기 바랍니다.
            </p>
          </div>
        </div>

        {/* 대운 (大運) */}
        <div className="bg-white rounded-3xl shadow-2xl p-8 md:p-12 mb-8">
          <h2 className="text-3xl font-bold text-gray-900 mb-8 text-center">
            🔄 대운 (大運) - 10년 주기 운세
          </h2>

          {/* 현재 대운 */}
          {currentDaeun && (
            <div className="bg-gradient-to-r from-indigo-500 to-purple-500 rounded-2xl p-6 mb-8 text-white">
              <h3 className="text-2xl font-bold mb-4 text-center">현재 대운</h3>
              <div className="text-center mb-4">
                <div className="text-5xl font-bold mb-2">
                  {currentDaeun.stem}{currentDaeun.branch}
                </div>
                <div className="text-xl mb-2">
                  {currentDaeun.stemKr}{currentDaeun.branchKr}
                </div>
                <div className="text-lg opacity-90">
                  {currentDaeun.age}세 ~ {currentDaeun.age + 9}세 ({currentDaeun.startYear}년 ~ {currentDaeun.endYear}년)
                </div>
              </div>
              <p className="text-center leading-relaxed">
                {getDaeunDescription(currentDaeun, sajuData.day.stem)}
              </p>
            </div>
          )}

          {/* 전체 대운 목록 */}
          <div className="grid md:grid-cols-2 lg:grid-cols-4 gap-4">
            {daeunList.map((daeun, index) => {
              const isCurrent = currentDaeun &&
                daeun.startYear === currentDaeun.startYear &&
                daeun.endYear === currentDaeun.endYear;

              return (
                <div
                  key={index}
                  className={`rounded-xl p-4 border-2 transition ${
                    isCurrent
                      ? 'bg-indigo-50 border-indigo-400'
                      : 'bg-gray-50 border-gray-200 hover:border-indigo-300'
                  }`}
                >
                  <div className="text-center">
                    <div className="text-3xl font-bold text-gray-900 mb-1">
                      {daeun.stem}{daeun.branch}
                    </div>
                    <div className="text-sm text-gray-600 mb-2">
                      {daeun.stemKr}{daeun.branchKr}
                    </div>
                    <div className="text-xs text-gray-500">
                      {daeun.age}세 ~ {daeun.age + 9}세
                    </div>
                    <div className="text-xs text-gray-400">
                      {daeun.startYear} ~ {daeun.endYear}
                    </div>
                    {isCurrent && (
                      <div className="mt-2">
                        <span className="inline-block bg-indigo-600 text-white text-xs px-3 py-1 rounded-full font-semibold">
                          현재
                        </span>
                      </div>
                    )}
                  </div>
                </div>
              );
            })}
          </div>

          <div className="mt-6 p-4 bg-indigo-50 rounded-xl">
            <p className="text-sm text-gray-700 mb-2">
              <strong className="text-indigo-600">대운(大運):</strong> 10년 단위로 변화하는 큰 운의 흐름입니다.
              각 대운마다 삶의 방향과 환경이 달라질 수 있으므로, 현재 대운의 특성을 이해하고 활용하는 것이 중요합니다.
            </p>
            {daeunList.length > 0 && (
              <p className="text-xs text-gray-600">
                * 대운은 생일부터 다음 절기까지의 일수를 기준으로 {daeunList[0].age}세부터 시작됩니다. (3일 = 1세)
              </p>
            )}
          </div>
        </div>

        {/* 추가 기능 버튼 */}
        <div className="grid md:grid-cols-2 lg:grid-cols-4 gap-6">
          <Link
            href={`/fortune?${new URLSearchParams(params as any).toString()}`}
            className="bg-white rounded-xl p-6 shadow-lg hover:shadow-xl transition text-center group"
          >
            <div className="text-4xl mb-3">🌟</div>
            <h3 className="text-xl font-bold text-gray-900 mb-2">오늘의 운세</h3>
            <p className="text-gray-600 text-sm">오늘의 운을 확인하기</p>
          </Link>

          <Link
            href="/compatibility"
            className="bg-white rounded-xl p-6 shadow-lg hover:shadow-xl transition text-center group"
          >
            <div className="text-4xl mb-3">💕</div>
            <h3 className="text-xl font-bold text-gray-900 mb-2">궁합 보기</h3>
            <p className="text-gray-600 text-sm">두 사람의 궁합 확인</p>
          </Link>

          <PDFButton
            elementId="pdf-content"
            filename={`사주팔자_${yearNum}${monthNum}${dayNum}.pdf`}
            buttonText="사주 PDF 저장"
          />

          <ShareButtons
            title={`내 사주팔자 - ${yearNum}년생 ${gender === 'male' ? '남성' : '여성'}`}
            description={`일간: ${sajuData.day.stem}(${sajuData.day.stemKr}) | ${sajuData.day.element}`}
          />
        </div>
      </div>

      {/* Footer */}
      <footer className="bg-gray-900 text-white py-12 px-4 mt-20">
        <div className="max-w-7xl mx-auto text-center">
          <div className="text-2xl font-bold mb-4 bg-gradient-to-r from-indigo-400 to-purple-400 bg-clip-text text-transparent">
            🔮 사주보기
          </div>
          <p className="text-gray-400 mb-6">
            쟁승메이드가 제공하는 무료 사주 서비스
          </p>
          <div className="text-sm text-gray-500">
            <p>문의: bgg8988@gmail.com | <a href="https://jaengseung-made.com" target="_blank" rel="noopener noreferrer" className="hover:text-indigo-400">쟁승메이드</a></p>
            <p className="mt-2">&copy; 2025 쟁승메이드. All rights reserved.</p>
          </div>
        </div>
      </footer>
    </div>
  );
}