const SUPABASE_URL = 'https://chixssrphfgxvqqigkzo.supabase.co';
        const SUPABASE_ANON_KEY = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6ImNoaXhzc3JwaGZneHZxcWlna3pvIiwicm9sZSI6ImFub24iLCJpYXQiOjE3NzQ2OTE0OTEsImV4cCI6MjA5MDI2NzQ5MX0.Az_Ew2J2zdOMcSV0UNAjBS-LPqGpqhsaN4IyZ5R7iqU';
        const sbClient = supabase.createClient(SUPABASE_URL, SUPABASE_ANON_KEY);

        async function loadData() {
            const id = new URLSearchParams(window.location.search).get('id');
            if (!id) return;

            try {
                const { data, error } = await sbClient
                    .from('certificates')
                    .select('*')
                    .eq('id', id)
                    .single();

                if (error || !data) throw error || new Error('未找到证书信息');

                const verifyTime = new Date().toLocaleString('zh-CN');
                document.getElementById('info-card').style.display = 'block';
                document.getElementById('d-cert-number').innerText = data.cert_number || '-';
                document.getElementById('d-holder-name').innerText = data.holder_name || '-';
                document.getElementById('d-honor-title').innerText = data.honor_title || '-';
                document.getElementById('d-issue-date').innerText = data.issue_date || '-';
                document.getElementById('d-issuer').innerText = data.issuer || '官方授权机构';
                document.getElementById('d-desc').innerText = data.description || '官方荣誉认证';
                document.getElementById('d-remarks').innerText = data.remarks || '无';
                document.getElementById('d-verify-time').innerText = verifyTime;

                document.getElementById('summary-cert-number').innerText = data.cert_number || '-';
                document.getElementById('summary-holder-name').innerText = data.holder_name || '-';
                document.getElementById('summary-verify-time').innerText = verifyTime;

                if (data.status === 'valid') {
                    document.getElementById('display-status').innerHTML = '<span class="status-pill done">有效</span>';
                } else if (data.status === 'invalid') {
                    document.getElementById('display-status').innerHTML = '<span class="status-pill pending">无效</span>';
                } else {
                    document.getElementById('display-status').innerHTML = '<span class="status-pill pending">待核验</span>';
                }

                window.currentCertNumber = data.cert_number;
            } catch (e) {
                console.error('加载失败:', e);
                alert('证书信息检索失败。');
            }
        }

        function loadCertificateImage() {
            const certNumber = window.currentCertNumber;
            if (!certNumber) return;

            const img = document.getElementById('cert-img');
            const hint = document.getElementById('click-hint');

            if (img.src && img.complete && img.naturalWidth > 0) {
                img.style.display = 'block';
                if (hint) hint.style.display = 'none';
                return;
            }

            if (hint) {
                hint.innerHTML = '<span class="hint-orb">载</span><strong>图片加载中</strong><span>正在读取证书原件，请稍候。</span>';
            }

            img.src = `https://s3.biss.click/CERTS/${encodeURIComponent(certNumber)}.svg`;
            img.onload = () => {
                img.style.display = 'block';
                if (hint) hint.style.display = 'none';
            };
            img.onerror = () => {
                if (hint) {
                    hint.innerHTML = '<span class="hint-orb">!</span><strong>图片加载失败</strong><span>未找到对应证书图片文件</span>';
                }
            };
        }

        async function ensureCertificateImageLoaded() {
            const certNumber = window.currentCertNumber;
            const img = document.getElementById('cert-img');
            const hint = document.getElementById('click-hint');

            if (!certNumber) {
                throw new Error('未找到证书编号');
            }

            if (img.src && img.complete && img.naturalWidth > 0) {
                img.style.display = 'block';
                if (hint) hint.style.display = 'none';
                return;
            }

            if (hint) {
                hint.innerHTML = '<span class="hint-orb">载</span><strong>图片加载中</strong><span>正在为打印准备证书原件，请稍候。</span>';
            }

            await new Promise((resolve, reject) => {
                img.onload = () => {
                    img.style.display = 'block';
                    if (hint) hint.style.display = 'none';
                    resolve();
                };
                img.onerror = () => {
                    reject(new Error('证书图片加载失败'));
                };
                img.src = `https://s3.biss.click/CERTS/${encodeURIComponent(certNumber)}.svg`;
            });
        }

        async function printCertificate() {
            try {
                await ensureCertificateImageLoaded();
                window.print();
            } catch (error) {
                console.error('打印前加载证书失败:', error);
                alert('证书原件加载失败，无法打印。');
            }
        }

        loadData();