// ==UserScript==
// @name         TMDB 한국 지원 강화
// @namespace    http://tampermonkey.net/
// @version      1.2.5
// @description  TMDB 영화/TV 시리즈 페이지에 한국어, 영어, 원어 제목 추가, 개별 클립보드 복사 기능, 한국 시청등급 및 제작국 표시
// @match        https://www.themoviedb.org/*
// @grant        GM_xmlhttpRequest
// @grant        GM_addStyle
// @downloadURL none
// ==/UserScript==

// 주의사항: 아래 YOUR_API_KEY 부분을 실제 TMDB API 키로 교체하는 것을 잊지 마세요.
const apiKey = "YOUR_API_KEY";

(function() {
    'use strict';
    
    GM_addStyle(`
        .additional-titles {
            font-size: 1.1em;
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .additional-title {
            cursor: pointer;
            transition: color 0.3s;
        }
        .additional-title:hover {
            color: blue !important;
        }
        #additional-info {
            margin-top: 10px;
            clear: both;
            display: flex;
            align-items: center;
            width: 100%;
        }
        #production-countries {
            font-size: inherit;
            margin-right: 20px;
        }
        #external-links {
            font-size: inherit;
        }
        #external-links a {
            margin-right: 10px;
            text-decoration: none;
            color: inherit;
            transition: color 0.3s;
        }
        #external-links a:hover {
            color: blue;
        }
        .title-label {
            cursor: pointer;
            transition: color 0.3s;
        }
        .title-label:hover {
            color: blue !important;
        }
        .ko-title-text {
            cursor: pointer;
            text-decoration: none;
            transition: color 0.3s;
        }
        .ko-title-text:hover {
            color: blue !important;
        }
        .main-link {
            cursor: pointer;
            text-decoration: none;
            transition: color 0.3s;
        }
        .main-link:hover {
            color: blue !important;
        }
        .en-original-link {
            cursor: pointer;
            text-decoration: none;
            transition: color 0.3s;
        }
        .en-original-link:hover {
            color: blue !important;
        }
    `);

    const copyToClipboard = text => {
        navigator.clipboard.writeText(text).then(() => {
            showTemporaryMessage(`${text} 클립보드에 복사됨`);
        });
    };

    const showTemporaryMessage = message => {
        const messageElement = document.createElement('div');
        Object.assign(messageElement.style, {
            position: 'fixed',
            top: '10px',
            left: '50%',
            transform: 'translateX(-50%)',
            backgroundColor: 'rgba(0, 0, 0, 0.7)',
            color: 'white',
            padding: '10px',
            borderRadius: '5px',
            zIndex: '9999'
        });
        messageElement.textContent = message;
        document.body.appendChild(messageElement);
        setTimeout(() => document.body.removeChild(messageElement), 1000);
    };

    const getIdAndType = () => {
        const [, type, id] = window.location.pathname.split('/');
        return { id, type };
    };

    const goToMainPage = () => {
        const currentUrl = window.location.href;
        const mainUrl = currentUrl.split('-')[0];
        window.location.href = mainUrl;
    };

    const displayTitles = (koTitle, enTitle, originalTitle) => {
        const titleElement = document.querySelector('.title h2') || document.querySelector('.header .title h2');
        if (!titleElement) return;

        const titleContainer = document.createElement('div');
        titleContainer.className = 'additional-titles';
        const titleColor = window.getComputedStyle(titleElement).color;

        titleContainer.innerHTML = `
            <span class="main-link" style="color: ${titleColor};">메인</span> / 
            <span class="ko-title-text" style="color: ${titleColor};">한제</span>: 
            <span class="additional-title ko-title">${koTitle}</span> / 
            <span class="en-original-link" style="color: ${titleColor};">영제+원제</span> / 
            <span class="label title-label" id="en-title-label" style="color: ${titleColor};">영제: </span>
            <span class="additional-title en-title">${enTitle}</span> / 
            <span class="label title-label" id="original-title-label" style="color: ${titleColor};">원제: </span>
            <span class="additional-title original-title">${originalTitle}</span>
        `;

        titleElement.parentNode.insertBefore(titleContainer, titleElement);

        titleContainer.querySelector('.main-link').addEventListener('click', goToMainPage);
        titleContainer.querySelector('.en-original-link').addEventListener('click', function() {
            copyToClipboard(`[${enTitle}] [${originalTitle}]`);
        });
        titleContainer.querySelector('.ko-title-text').addEventListener('click', function() {
            copyToClipboard(`${koTitle} (${new Date().getFullYear()})`);
        });

        ['ko-title', 'en-title', 'original-title'].forEach(className => {
            titleContainer.querySelector(`.${className}`).addEventListener('click', function() {
                copyToClipboard(this.textContent);
            });
        });

        document.getElementById('en-title-label').addEventListener('click', function() {
            copyToClipboard(`[${enTitle}]`);
        });
        document.getElementById('original-title-label').addEventListener('click', function() {
            copyToClipboard(`[${originalTitle}]`);
        });
    };

    const getKoreanCertification = (data, type) => {
        const ratings = type === 'movie' ? data.release_dates?.results : data.content_ratings?.results;
        const koreanRating = ratings?.find(r => r.iso_3166_1 === 'KR')?.release_dates?.[0]?.certification || 
                            ratings?.find(r => r.iso_3166_1 === 'KR')?.rating;
        return koreanRating || '등급미정';
    };

    const getProductionCountries = (data) => {
        return data.production_countries?.map(country => country.name).join(', ') || '정보 없음';
    };

    const displayKoreanRating = rating => {
        const factsElement = document.querySelector('.facts');
        if (!factsElement) return;

        let koreanRatingElement = document.getElementById('korean-rating');
        if (!koreanRatingElement) {
            koreanRatingElement = Object.assign(document.createElement('span'), {
                id: 'korean-rating',
                style: 'font-size: 1em; margin-right: 10px; font-weight: bold;'
            });
            factsElement.insertBefore(koreanRatingElement, factsElement.firstChild);
        }
        koreanRatingElement.textContent = rating;
    };

    const displayAdditionalInfo = (countries, koTitle, imdbId, wikidataId, tvdbId) => {
        const factsElement = document.querySelector('.facts');
        let additionalInfoContainer = document.getElementById('additional-info');
        
        if (!additionalInfoContainer) {
            additionalInfoContainer = document.createElement('div');
            additionalInfoContainer.id = "additional-info";
            factsElement.parentNode.insertBefore(additionalInfoContainer, factsElement.nextSibling);
            
            additionalInfoContainer.innerHTML = `
                <div id="production-countries">• 제작국: ${countries}</div>
                <div id="external-links">
                    <a href="https://m.kinolights.com/search/contents?keyword=${encodeURIComponent(koTitle)}" target="_blank">키노</a>
                    ${imdbId ? `<a href="https://www.imdb.com/title/${imdbId}" target="_blank">IMDB</a>` : ''}
                    ${wikidataId ? `<a href="https://www.wikidata.org/wiki/${wikidataId}" target="_blank">Wikidata</a>` : ''}
                    ${tvdbId ? `<a href="https://www.thetvdb.com/dereferrer/series/${tvdbId}" target="_blank">TVDB</a>` : ''}
                </div>
            `;

            const titleColor = window.getComputedStyle(document.querySelector('.title h2')).color;
            additionalInfoContainer.querySelectorAll('#external-links a').forEach(link => {
                link.style.color = titleColor;
                link.style.marginRight = "10px";
                link.style.textDecoration = "none";
                link.addEventListener('mouseover', () => link.style.color = "blue");
                link.addEventListener('mouseout', () => link.style.color = titleColor);
            });
        }
    };

    const fetchData = async () => {
        const { id, type } = getIdAndType();
        if (!id || !type) return;

        try {
            const koResponse = await new Promise((resolve, reject) => {
                GM_xmlhttpRequest({
                    method: "GET",
                    url: `https://api.themoviedb.org/3/${type}/${id}?api_key=${apiKey}&language=ko-KR&append_to_response=external_ids,release_dates,content_ratings`,
                    onload: response => response.status === 200 ? resolve(JSON.parse(response.responseText)) : reject(`API 요청 실패: ${response.status}`),
                    onerror: reject
                });
            });

            const enResponse = await new Promise((resolve, reject) => {
                GM_xmlhttpRequest({
                    method: "GET",
                    url: `https://api.themoviedb.org/3/${type}/${id}?api_key=${apiKey}&language=en-US`,
                    onload: response => response.status === 200 ? resolve(JSON.parse(response.responseText)) : reject(`API 요청 실패: ${response.status}`),
                    onerror: reject
                });
            });

            const koTitle = koResponse.title || koResponse.name || '한국어 제목 미기재';
            const enTitle = enResponse.title || enResponse.name || '영어 제목 미기재';
            const originalTitle = koResponse.original_title || koResponse.original_name || '원어 제목 미기재';
            const koreanRating = getKoreanCertification(koResponse, type);
            const productionCountries = getProductionCountries(koResponse);
            const imdbId = koResponse.imdb_id || koResponse.external_ids?.imdb_id;
            const wikidataId = koResponse.external_ids?.wikidata_id;
            const tvdbId = koResponse.external_ids?.tvdb_id;

            displayTitles(koTitle, enTitle, originalTitle);
            displayKoreanRating(koreanRating);
            displayAdditionalInfo(productionCountries, koTitle, imdbId, wikidataId, tvdbId);
        } catch (error) {
            console.error('TMDB API 요청 오류:', error);
        }
    };

    const init = () => {
        fetchData();
    };

    window.addEventListener('load', init);
    
    new MutationObserver(() => {
        const url = location.href;
        if (url !== lastUrl) {
            lastUrl = url;
            init();
        }
    }).observe(document, {subtree: true, childList: true});

    let lastUrl = location.href;
})();