document.addEventListener('DOMContentLoaded', () => {
    // Elements
    const clockEl = document.getElementById('real-time-clock');
    const outputEl = document.getElementById('reportOutput');
    const btnCopy = document.getElementById('btnCopy');
    const btnBatchParse = document.getElementById('btnBatchParse');
    const btnClearBatch = document.getElementById('btnClearBatch');
    const batchInput = document.getElementById('batchInput');
    const toastMessage = document.getElementById('toastMessage');
    const toastEl = document.getElementById('liveToast');
    const toast = new bootstrap.Toast(toastEl);

    // Initialize Real-time Clock
    const updateClock = () => {
        const now = new Date();
        const options = { 
            year: 'numeric', month: '2-digit', day: '2-digit', 
            hour: '2-digit', minute: '2-digit', second: '2-digit',
            hour12: false 
        };
        const formatted = now.toLocaleString('zh-CN', options).replace(/\//g, '-');
        if (clockEl) clockEl.textContent = formatted;
    };
    setInterval(updateClock, 1000);
    updateClock();

    // Show Toast Helper
    const showToast = (msg, isError = false) => {
        toastMessage.textContent = msg;
        const iconContainer = toastMessage.previousElementSibling;
        if (iconContainer) {
            const icon = isError ? 'fa-circle-xmark text-danger' : 'fa-circle-check text-success';
            iconContainer.className = `fa-solid ${icon} me-2`;
        }
        toast.show();
    };

    // Helper to format the final report
    const formatReport = (stats) => {
        return `总WS数量： ${stats.totalWS}
WS今日封号： ${stats.wsBanned}
总永封WS： ${stats.wsPermBanned}
总XHS数量： ${stats.totalXHS}
总SMS数量： ${stats.totalSMS}
XHS： ${stats.xhs} 回复： ${stats.xhs_reply}
WS： ${stats.ws} 回复： ${stats.ws_reply}
SMS： ${stats.sms} 回复： ${stats.sms_reply}
总招呼量： ${stats.totalGreeting}
总回复： ${stats.totalReply}
再聊： ${stats.rechat}
引流： ${stats.traffic}
语音： ${stats.voice}`;
    };

    // Improved Extraction Logic
    const parseBatchData = () => {
        const text = batchInput.value.trim();
        if (!text) {
            showToast('请先粘贴报表内容！', true);
            return;
        }

        const totals = {
            totalWS: 0, wsBanned: 0, wsPermBanned: 0, totalXHS: 0, totalSMS: 0,
            xhs: 0, xhs_reply: 0, ws: 0, ws_reply: 0, sms: 0, sms_reply: 0,
            totalGreeting: 0, totalReply: 0, rechat: 0, traffic: 0, voice: 0
        };

        const extractVal = (patterns, content) => {
            if (!Array.isArray(patterns)) patterns = [patterns];
            for (const p of patterns) {
                const match = content.match(p);
                if (match) {
                    const cleanVal = match[1].replace(/,/g, '');
                    return parseInt(cleanVal, 10) || 0;
                }
            }
            return 0;
        };

        const extractPlatformStats = (platformLabel, content) => {
            // Priority: specifically look for "Platform招呼量"
            // Second: look for "Platform" if not part of "总...数量" or "...封号"
            const regex = new RegExp('(总)?' + platformLabel + '(数量|今日封号|招呼量)?[^0-9]*([0-9,]+)', 'gi');
            let bestMatch = null;
            let m;
            
            while ((m = regex.exec(content)) !== null) {
                const isTotal = !!m[1];
                const suffix = m[2] || '';
                const isMeta = suffix === '数量' || suffix === '今日封号';
                
                // We want the one that is NOT "总WS数量" and NOT "WS今日封号"
                // Ideally it's "WS招呼量" or just "WS"
                if (!isTotal && !isMeta) {
                    bestMatch = m;
                    if (suffix === '招呼量') break; // Best possible match found
                }
            }

            if (!bestMatch) return { count: 0, reply: 0 };
            
            const count = parseInt(bestMatch[3].replace(/,/g, ''), 10) || 0;
            const afterMatch = content.substring(bestMatch.index + bestMatch[0].length);
            
            // Look for "回复" after this count, but stop at next major label
            const stopLabel = /(XHS|WS|SMS|总招呼量|总回复|再聊|引流|语音|总WS数量|WS今日封号|总永封WS|总XHS数量|总SMS数量)/i.exec(afterMatch);
            const searchRange = afterMatch.substring(0, stopLabel ? stopLabel.index : 100);
            const rMatch = searchRange.match(/回复[^0-9]*([0-9,]+)/);
            
            return {
                count: count,
                reply: rMatch ? (parseInt(rMatch[1].replace(/,/g, ''), 10) || 0) : 0
            };
        };

        // Split by "总WS数量"
        const reportChunks = text.split(/(?=总WS数量)/);
        
        reportChunks.forEach((chunk) => {
            if (!chunk.trim()) return;

            // Global Metrics
            totals.totalWS += extractVal([/总WS数量[：:\s]*([0-9,]+)/, /WS数量[：:\s]*([0-9,]+)/], chunk);
            totals.wsBanned += extractVal([/WS今日封号[：:\s]*([0-9,]+)/, /今日封号[：:\s]*([0-9,]+)/], chunk);
            totals.wsPermBanned += extractVal([/总永封WS[：:\s]*([0-9,]+)/, /永封WS[：:\s]*([0-9,]+)/], chunk);
            totals.totalXHS += extractVal([/总XHS数量[：:\s]*([0-9,]+)/, /XHS数量[：:\s]*([0-9,]+)/], chunk);
            totals.totalSMS += extractVal([/总SMS数量[：:\s]*([0-9,]+)/, /SMS数量[：:\s]*([0-9,]+)/], chunk);

            // Platform Specifics
            const xData = extractPlatformStats('XHS', chunk);
            totals.xhs += xData.count;
            totals.xhs_reply += xData.reply;

            const wData = extractPlatformStats('WS', chunk);
            totals.ws += wData.count;
            totals.ws_reply += wData.reply;

            const sData = extractPlatformStats('SMS', chunk);
            totals.sms += sData.count;
            totals.sms_reply += sData.reply;

            // Bottom Metrics
            totals.rechat += extractVal(/再聊[：:\s]*([0-9,]+)/, chunk);
            totals.traffic += extractVal(/引流[：:\s]*([0-9,]+)/, chunk);
            totals.voice += extractVal(/语音[：:\s]*([0-9,]+)/, chunk);
        });

        // Calculate Totals by Summing individual platform stats (More accurate than relying on member input)
        totals.totalGreeting = totals.xhs + totals.ws + totals.sms;
        totals.totalReply = totals.xhs_reply + totals.ws_reply + totals.sms_reply;

        outputEl.textContent = formatReport(totals);
        btnCopy.disabled = false;
        showToast('报表汇总成功！');
    };

    // Events
    if (btnBatchParse) {
        btnBatchParse.addEventListener('click', () => {
            showToast('解析中...');
            setTimeout(parseBatchData, 400);
        });
    }

    if (btnClearBatch) {
        btnClearBatch.addEventListener('click', () => {
            batchInput.value = '';
            outputEl.textContent = '数据结果将在此处生成...';
            btnCopy.disabled = true;
            showToast('输入区域已清空');
        });
    }

    if (btnCopy) {
        btnCopy.addEventListener('click', () => {
            const text = outputEl.textContent;
            if (text && !text.includes('在此处生成')) {
                navigator.clipboard.writeText(text).then(() => {
                    showToast('已复制成功！');
                }).catch(err => {
                    showToast('复制失败', true);
                });
            } else {
                showToast('无可复制内容', true);
            }
        });
    }
});