{% if not is_spa_request %}
    {% extends "_base.html" %}
{% endif %}

{% block content %}
{# 将所有内容包裹在 page-content-wrapper 中，以便SPA提取 #}
<div id="page-content-wrapper"> 
    <div class="container-lg mt-4 px-lg-5 px-md-4 px-3">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h1>API 使用情况报告</h1>
        <small class="text-muted">最后更新时间: <span id="last-updated-time">加载中...</span></small>
    </div>

    <div class="row">
        <!-- 左列 -->
        <div class="col-lg-6">
            <!-- 容量与使用情况 -->
            <div class="card shadow-sm mb-4">
                <div class="card-header bg-light">
                    <h5 class="mb-0">容量与使用情况</h5>
                </div>
                <div class="card-body">
                    <div class="row align-items-center">
                        <!-- RPD 图表 -->
                        <div class="col-md-6 text-center mb-3 mb-md-0"> <!-- 调整为 col-md-6 -->
                            <h6>RPD (每日请求)</h6>
                            <div class="chart-container mx-auto" style="position: relative;">
                                <canvas id="rpd-chart"></canvas>
                                <div id="rpd-percentage" class="chart-percentage">--%</div>
                            </div>
                            <p id="rpd-stats" class="mt-2 small text-muted">加载中...</p>
                        </div>
                        <!-- TPD 输入图表 -->
                        <div class="col-md-6 text-center mb-3 mb-md-0"> <!-- 调整为 col-md-6 -->
                             <h6>TPD 输入 (每日 Token)</h6>
                             <div class="chart-container mx-auto" style="position: relative;">
                                <canvas id="tpd-input-chart"></canvas>
                                <div id="tpd-input-percentage" class="chart-percentage">--%</div>
                             </div>
                             <p id="tpd-input-stats" class="mt-2 small text-muted">加载中...</p>
                         </div>
                        <!-- 关键统计数据 -->
                        <div class="col-12 mt-4"> <!-- 调整为 col-12 并添加上边距 -->
                            <h6>关键指标</h6>
                            <ul class="list-group list-group-flush">
                                <li class="list-group-item d-flex justify-content-between align-items-center">
                                    活跃 Key 数量:
                                    <span id="active-keys-count" class="badge bg-primary rounded-pill">...</span>
                                </li>
                                <li class="list-group-item d-flex justify-content-between align-items-center">
                                    启动时无效 Key:
                                    <span id="invalid-keys-startup" class="badge bg-warning text-dark rounded-pill">...</span>
                                </li>
                                 <li class="list-group-item d-flex justify-content-between align-items-center">
                                    过去 7 天平均日 RPD:
                                    <span id="avg-daily-rpd" class="badge bg-info rounded-pill">...</span>
                                </li>
                                <!-- RPD 容量列表容器 -->
                                <li id="rpd-capacity-list-container" class="list-group-item">
                                    RPD 容量估算:
                                    {% if has_valid_keys %}
                                         <div class="small text-muted mt-1">加载中...</div>
                                    {% else %}
                                         <div class="small mt-1">无有效 API Key，无法估算容量</div> {# 无有效 Key 时的提示 #}
                                    {% endif %}
                                </li>
                                <!-- TPD 输入容量列表容器 -->
                                <li id="tpd-input-capacity-list-container" class="list-group-item">
                                    TPD 输入容量估算:
                                    {% if has_valid_keys %}
                                         <div class="small text-muted mt-1">加载中...</div>
                                    {% else %}
                                         <div class="small mt-1">无有效 API Key，无法估算容量</div> {# 无有效 Key 时的提示 #}
                                    {% endif %}
                                </li>
                            </ul>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Key 使用概览 -->
            <div class="card shadow-sm mb-4">
                <div class="card-header bg-light">
                    <h5 class="mb-0">Key 使用概览</h5>
                </div>
                <div class="card-body">
                     <div id="key-status-charts" class="row justify-content-center">
                        <!-- 图表将动态添加到这里 -->
                        <p id="key-status-loading" class="text-center text-muted">正在加载 Key 状态图表...</p>
                    </div>
                    <hr>
                    <h6>状态详情</h6>
                    <div id="key-status-details" class="mt-3 small">
                        <!-- 详细状态文本将添加到这里 -->
                         <p class="text-center text-muted">暂无详情数据。</p>
                    </div>
                </div>
            </div>
        </div>

        <!-- 右列 -->
        <div class="col-lg-6">
            <!-- Key 数量建议 -->
            <div class="card shadow-sm mb-4">
                <div class="card-header bg-light">
                    <h5 class="mb-0">Key 数量建议</h5>
                </div>
                <div class="card-body">
                    <p id="key-suggestion" class="lead">正在加载建议...</p>
                </div>
            </div>

            <!-- Top IP 统计 -->
            <div class="card shadow-sm mb-4">
                <div class="card-header bg-light">
                    <h5 class="mb-0">Top 5 IP 地址统计 (PT 时间)</h5>
                </div>
                <div class="card-body">
                    <div class="row">
                        <div class="col-12 mb-4">
                            <h6>请求次数</h6>
                            <div class="table-responsive">
                                <table class="table table-sm table-striped table-hover">
                                    <thead class="table-light">
                                        <tr><th>时间范围</th><th>IP 地址</th><th>次数</th></tr>
                                    </thead>
                                    <tbody id="top-ips-requests">
                                       <tr><td colspan="3" class="text-center text-muted">正在加载...</td></tr>
                                    </tbody>
                                </table>
                            </div>
                        </div>
                        <div class="col-12">
                            <h6>输入 Token</h6>
                            <div class="table-responsive">
                                 <table class="table table-sm table-striped table-hover">
                                    <thead class="table-light">
                                        <tr><th>时间范围</th><th>IP 地址</th><th>Token 数</th></tr>
                                    </thead>
                                    <tbody id="top-ips-tokens">
                                         <tr><td colspan="3" class="text-center text-muted">正在加载...</td></tr>
                                    </tbody>
                                </table>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Key 筛选原因统计 -->
            <div class="card shadow-sm mb-4">
                <div class="card-header bg-light">
                    <h5 class="mb-0">Key 筛选原因统计</h5>
                </div>
                <div class="card-body">
                    <h6>按原因汇总</h6>
                    <ul id="key-selection-reasons-summary" class="list-group list-group-flush mb-4">
                        <li class="list-group-item text-center text-muted">正在加载...</li>
                    </ul>

                    <h6>按 Key 详细统计</h6>
                    <div class="table-responsive">
                        <table class="table table-sm table-striped table-hover">
                            <thead class="table-light">
                                <tr>
                                    <th>Key ID (部分)</th>
                                    <th>筛选次数</th>
                                    <th>主要原因</th>
                                </tr>
                            </thead>
                            <tbody id="key-selection-details">
                                <tr><td colspan="3" class="text-center text-muted">正在加载...</td></tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<style>
/* 图表容器样式 */
/* Chart container styles */
.chart-container {
    position: relative;
    width: 100%; /* 确保容器宽度为 100% */
    max-width: 200px; /* 添加最大宽度以控制大小 */
    margin: auto;
    /* 为图表添加更明显的阴影效果 */
    /* Add a more prominent shadow effect to charts */
    filter: drop-shadow(0px 8px 15px rgba(0, 0, 0, 0.2)) drop-shadow(0px 3px 6px rgba(0, 0, 0, 0.15)); /* 加深阴影 */
}
/* 图表中心显示百分比的样式 */
/* Style to display percentage in the center of doughnut chart */
.chart-percentage {
    position: absolute;
    top: 55%; /* 调整垂直位置，使其更居中于半圆 */
    left: 50%; /* 恢复水平居中 */
    /* 微调垂直位置，使其向下偏移 */
    /* Finely tune vertical position to shift it downwards */
    transform: translate(-50%, -50%); /* 调整为标准水平垂直居中 */
    font-size: 1.2rem; /* 恢复默认字体大小或更小 */
    font-weight: bold;
    color: #333; /* 恢复默认颜色 */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3); /* 添加文本阴影 */
    pointer-events: none; /* 确保不影响图表交互 */
}
/* 确保 Key 状态图表在列内响应式 */
#key-status-charts .col-lg-4,
#key-status-charts .col-md-6,
#key-status-charts .col-sm-6 {
    /* 可以根据需要调整图表大小 */
    max-width: 200px; /* 限制图表容器的最大宽度 */
    margin-left: auto;
    margin-right: auto;
}
#key-status-charts canvas {
    max-height: 150px; /* 限制 Canvas 高度 */
}

/* 修正 Bootstrap 栅格列在宽屏下的宽度优先级问题 */
@media (min-width: 992px) { /* Bootstrap's 'lg' breakpoint */
    .row .col-lg-6 { /* Increased specificity to override .row > * */
        flex: 0 0 auto; /* Ensure flex properties are set */
        width: 50% !important; /* Force width */
    }
}

#active-keys-count,
#invalid-keys-startup,
#avg-daily-rpd {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* 优化关键指标徽章的阴影效果 */
}
</style>

    <script>
    // 将所有页面特定的JS逻辑封装到这个初始化函数中
    async function initializeManageReportPage() {
        console.log('Report Page: initializeManageReportPage() called.');

        const token = localStorage.getItem('access_token');
        if (!token) {
        console.log('Report Page: No token found, redirecting to login.');
        window.location.href = '/'; // 重定向到登录页
        return;
    } else {
        console.log('Report Page: Token found.');
    }

    let rpdChartInstance = null;
    let tpdInputChartInstance = null;
    let keyStatusChartInstances = {}; 

    function formatNumber(num) {
        if (num === null || num === undefined || isNaN(num)) {
            return 'N/A';
        }
        const numberValue = parseFloat(num);
        if (isNaN(numberValue)) {
             return 'N/A';
        }
        return numberValue.toLocaleString();
    }

    function renderKeyStatusCharts(keyUsageSummaryData) { 
        const chartsContainer = document.getElementById('key-status-charts');
        const detailsContainer = document.getElementById('key-status-details');
        if (chartsContainer) chartsContainer.innerHTML = ''; 
        if (detailsContainer) detailsContainer.innerHTML = ''; 
        keyStatusChartInstances = {}; 

        const modelsData = keyUsageSummaryData?.models;
        if (!modelsData || !Array.isArray(modelsData) || modelsData.length === 0) {
            if (chartsContainer) chartsContainer.innerHTML = '<p class="text-center text-muted col-12">暂无 Key 使用数据可供可视化。</p>'; 
            if (detailsContainer) detailsContainer.innerHTML = '<p class="text-center text-muted">暂无详情数据。</p>';
            return;
        }

        modelsData.forEach(modelSummary => { 
            const modelName = modelSummary.model_name;
            const totalKeys = modelSummary.key_count; 
            const statusDistribution = modelSummary.status_distribution; 

            if (!modelName || !statusDistribution || !Array.isArray(statusDistribution) || statusDistribution.length === 0) {
                 console.warn(`Skipping rendering chart for model with incomplete data: ${modelName}`, modelSummary);
                 return;
            }

            const chartCol = document.createElement('div');
            chartCol.className = 'col-lg-4 col-md-6 col-sm-6 mb-4 text-center'; 
            const chartTitle = document.createElement('h6');
            chartTitle.textContent = `${modelName} (${formatNumber(totalKeys)} Keys)`; 
            const canvas = document.createElement('canvas');
            canvas.id = `key-status-chart-${modelName}`;
            canvas.style.margin = '0 auto'; 
            chartCol.appendChild(chartTitle);
            chartCol.appendChild(canvas);
            if (chartsContainer) chartsContainer.appendChild(chartCol);

            const labels = statusDistribution.map(item => item.status);
            const dataCounts = statusDistribution.map(item => item.count);
            const backgroundColors = [
                'rgba(40, 167, 69, 0.7)',  
                'rgba(255, 193, 7, 0.7)',  
                'rgba(220, 53, 69, 0.7)',  
                'rgba(0, 123, 255, 0.7)', 
                'rgba(108, 117, 125, 0.7)',
                'rgba(111, 66, 193, 0.7)' 
            ];
            const borderColors = backgroundColors.map(color => color.replace('0.7', '1')); 

            const ctx = canvas.getContext('2d');
            keyStatusChartInstances[modelName] = new Chart(ctx, {
                type: 'pie', 
                data: {
                    labels: labels.map(label => label.length > 20 ? `${label.substring(0, 18)}...` : label),
                    datasets: [{
                        label: 'Key 数量', 
                        data: dataCounts,
                        backgroundColor: backgroundColors.slice(0, dataCounts.length),
                        borderColor: borderColors.slice(0, dataCounts.length),
                        borderWidth: 1
                    }]
                },
                options: {
                    responsive: true,
                    maintainAspectRatio: false, 
                    plugins: {
                        legend: {
                            position: 'bottom', 
                            labels: {
                                boxWidth: 10, 
                                padding: 15, 
                                font: {
                                    size: 10 
                                }
                            }
                        },
                        tooltip: {
                            callbacks: {
                                label: function(context) {
                                    let originalLabel = labels[context.dataIndex] || '';
                                    let value = context.parsed || 0;
                                    return `${originalLabel}: ${formatNumber(value)}`;
                                }
                            }
                        }
                    }
                }
            });

            const detailDiv = document.createElement('div');
            detailDiv.className = 'mb-3 border-start ps-3'; 
            let detailHtml = `<h6>${modelName}</h6><ul>`;
            statusDistribution.forEach(item => { 
                detailHtml += `<li>${item.status}: ${formatNumber(item.count)}</li>`;
            });
            detailHtml += `</ul>`;
            detailDiv.innerHTML = detailHtml;
            if (detailsContainer) detailsContainer.appendChild(detailDiv);
        });
        if (Object.keys(keyStatusChartInstances).length === 0) {
             if (chartsContainer) chartsContainer.innerHTML = '<p class="text-center text-muted col-12">暂无 Key 使用数据可供可视化。</p>'; 
             if (detailsContainer) detailsContainer.innerHTML = '<p class="text-center text-muted">暂无详情数据。</p>';
        } 
    }

    function renderCapacityCharts(rpdData, tpdInputData) {
        const rpdCanvas = document.getElementById('rpd-chart');
        const tpdInputCanvas = document.getElementById('tpd-input-chart');
        const rpdPercentageDiv = document.getElementById('rpd-percentage');
        const tpdInputPercentageDiv = document.getElementById('tpd-input-percentage');
        const rpdStatsElem = document.getElementById('rpd-stats');
        const tpdInputStatsElem = document.getElementById('tpd-input-stats');

        if (rpdChartInstance) rpdChartInstance.destroy();
        if (tpdInputChartInstance) tpdInputChartInstance.destroy();

        const rpdCapacity = rpdData?.capacity || 0;
        const rpdUsedToday = rpdData?.used_today || 0;
        const rpdEstimatedToday = rpdData?.estimated_today;

        if (rpdCanvas) {
            const rpdCtx = rpdCanvas.getContext('2d');
            const rpdUsedValue = (typeof rpdEstimatedToday === 'number' && rpdEstimatedToday > 0) ? rpdEstimatedToday : rpdUsedToday;
            const rpdUsageRatio = (rpdCapacity > 0) ? (rpdUsedValue / rpdCapacity) * 100 : 0;
            const rpdRemainingRatio = Math.max(0, 100 - rpdUsageRatio);
            rpdChartInstance = new Chart(rpdCtx, {
                type: 'doughnut',
                data: {
                    labels: ['已用/预估', '剩余'],
                    datasets: [{
                        data: [rpdUsageRatio, rpdRemainingRatio],
                        backgroundColor: ['rgba(220, 53, 69, 0.7)', 'rgba(76, 175, 80, 0.8)'], 
                        borderColor: ['rgba(220, 53, 69, 1)', 'rgba(76, 175, 80, 1)'], 
                        borderWidth: 1,
                        circumference: 180,
                        rotation: -90,
                    }]
                },
                options: {
                    responsive: true,
                    maintainAspectRatio: false,
                    plugins: {
                        tooltip: {
                            callbacks: {
                                label: function(context) {
                                    return `${context.label}: ${context.parsed.toFixed(1)}%`;
                                }
                            }
                        },
                        legend: { display: false }
                    },
                    cutout: '70%'
                }
            });
            if (rpdPercentageDiv) rpdPercentageDiv.textContent = `${rpdUsageRatio.toFixed(1)}%`;
            if (rpdStatsElem) rpdStatsElem.textContent = `已用: ${formatNumber(rpdUsedToday)}, 预估: ${formatNumber(rpdEstimatedToday) || 'N/A'} / 容量: ${formatNumber(rpdCapacity)}`;
        } else {
             if (rpdStatsElem) rpdStatsElem.textContent = `已用: ${formatNumber(rpdUsedToday)} / 容量: ${formatNumber(rpdCapacity) || 'N/A'}`;
             if (rpdPercentageDiv) rpdPercentageDiv.textContent = '--%';
        }

        const tpdInputCapacity = tpdInputData?.tpd_input_capacity || 0; 
        const tpdInputUsedToday = tpdInputData?.tpd_input_used_today || 0; 
        const tpdInputEstimatedToday = tpdInputData?.tpd_input_estimated_today; 

        if (tpdInputCanvas) {
            const tpdInputCtx = tpdInputCanvas.getContext('2d');
            const tpdInputUsedValue = (typeof tpdInputEstimatedToday === 'number' && tpdInputEstimatedToday > 0) ? tpdInputEstimatedToday : tpdInputUsedToday;
            const tpdInputUsageRatio = (tpdInputCapacity > 0) ? (tpdInputUsedValue / tpdInputCapacity) * 100 : 0;
            const tpdInputRemainingRatio = Math.max(0, 100 - tpdInputUsageRatio);
            tpdInputChartInstance = new Chart(tpdInputCtx, {
                type: 'doughnut',
                data: {
                    labels: ['已用/预估', '剩余'],
                    datasets: [{
                        data: [tpdInputUsageRatio, tpdInputRemainingRatio],
                        backgroundColor: ['rgba(220, 53, 69, 0.7)', 'rgba(76, 175, 80, 0.8)'], 
                        borderColor: ['rgba(220, 53, 69, 1)', 'rgba(76, 175, 80, 1)'], 
                        borderWidth: 1,
                        circumference: 180,
                        rotation: -90,
                    }]
                },
                options: {
                    responsive: true,
                    maintainAspectRatio: false,
                    plugins: {
                        tooltip: {
                            callbacks: {
                                label: function(context) {
                                    return `${context.label}: ${context.parsed.toFixed(1)}%`;
                                }
                            }
                        },
                        legend: { display: false }
                    },
                    cutout: '70%'
                }
            });
            if (tpdInputPercentageDiv) tpdInputPercentageDiv.textContent = `${tpdInputUsageRatio.toFixed(1)}%`;
            if (tpdInputStatsElem) tpdInputStatsElem.textContent = `已用: ${formatNumber(tpdInputUsedToday)}, 预估: ${formatNumber(tpdInputEstimatedToday) || 'N/A'} / 容量: ${formatNumber(tpdInputCapacity)}`;
        } else {
            if (tpdInputStatsElem) tpdInputStatsElem.textContent = `已用: ${formatNumber(tpdInputUsedToday)} / 容量: ${formatNumber(tpdInputCapacity) || 'N/A'}`;
            if (tpdInputPercentageDiv) tpdInputPercentageDiv.textContent = '--%';
        }
    }

    function renderKeySuggestion(suggestionData) {
        const suggestionElem = document.getElementById('key-suggestion');
        if (suggestionElem) {
            if (suggestionData && suggestionData.suggestion) {
                suggestionElem.textContent = suggestionData.suggestion;
            } else {
                suggestionElem.textContent = '暂无 Key 数量建议。';
            }
        };
    }

    function renderTopIps(topIPsData) {
        const requestsTbody = document.getElementById('top-ips-requests');
        const tokensTbody = document.getElementById('top-ips-tokens');

        if (requestsTbody) requestsTbody.innerHTML = ''; 
        if (tokensTbody) tokensTbody.innerHTML = ''; 

        if (topIPsData && topIPsData.requests && topIPsData.requests.length > 0) {
            topIPsData.requests.forEach(item => {
                const row = requestsTbody.insertRow();
                row.insertCell().textContent = item.time_range;
                row.insertCell().textContent = item.ip_address;
                row.insertCell().textContent = formatNumber(item.request_count);
            });
        } else {
            const row = requestsTbody.insertRow();
            const cell = row.insertCell();
            cell.colSpan = 3;
            cell.className = 'text-center text-muted';
            cell.textContent = '暂无请求统计数据。';
        }

        if (topIPsData && topIPsData.tokens && topIPsData.tokens.length > 0) {
            topIPsData.tokens.forEach(item => {
                const row = tokensTbody.insertRow();
                row.insertCell().textContent = item.time_range;
                row.insertCell().textContent = item.ip_address;
                row.insertCell().textContent = formatNumber(item.token_count);
            });
        } else {
            const row = tokensTbody.insertRow();
            const cell = row.insertCell();
            cell.colSpan = 3;
            cell.className = 'text-center text-muted';
            cell.textContent = '暂无 Token 统计数据。';
        }
    }

    function renderKeySelectionStats(keySelectionStatsData) {
        const reasonsSummaryList = document.getElementById('key-selection-reasons-summary');
        const detailsTableBody = document.getElementById('key-selection-details');

        if (reasonsSummaryList) reasonsSummaryList.innerHTML = ''; 
        if (detailsTableBody) detailsTableBody.innerHTML = ''; 

        if (!keySelectionStatsData ||
            (!keySelectionStatsData.total_by_reason || Object.keys(keySelectionStatsData.total_by_reason).length === 0) &&
            (!keySelectionStatsData.details_by_key || Object.keys(keySelectionStatsData.details_by_key).length === 0))
        {
            if (reasonsSummaryList) reasonsSummaryList.innerHTML = '<li class="list-group-item text-center text-muted">暂无 Key 筛选原因统计数据。</li>';
            if (detailsTableBody) detailsTableBody.innerHTML = '<tr><td colspan="3" class="text-center text-muted">暂无 Key 筛选详细统计数据。</td></tr>';
            return;
        }

        const reasonsSummary = keySelectionStatsData.total_by_reason || {};
        if (Object.keys(reasonsSummary).length > 0) {
            const sortedReasons = Object.entries(reasonsSummary).sort((a, b) => a[0].localeCompare(b[0]));
            sortedReasons.forEach(([reason, count]) => {
                const listItem = document.createElement('li');
                listItem.className = 'list-group-item d-flex justify-content-between align-items-center';
                listItem.textContent = `${reason}:`;
                const badge = document.createElement('span');
                badge.className = 'badge bg-secondary rounded-pill';
                badge.textContent = formatNumber(count);
                listItem.appendChild(badge);
                if (reasonsSummaryList) reasonsSummaryList.appendChild(listItem);
            });
        } else {
            if (reasonsSummaryList) reasonsSummaryList.innerHTML = '<li class="list-group-item text-center text-muted">暂无按原因汇总数据。</li>';
        }

        const keyDetails = keySelectionStatsData.details_by_key || {};
        if (Object.keys(keyDetails).length > 0) {
            const sortedKeyDetails = Object.entries(keyDetails).sort((a, b) => a[0].localeCompare(b[0]));
            sortedKeyDetails.forEach(([keyId, reasonsCounter]) => {
                let mainReason = '未知原因';
                let maxCount = 0;
                let totalCountForKey = 0;
                for (const reason in reasonsCounter) {
                    const count = reasonsCounter[reason];
                    totalCountForKey += count;
                    if (count > maxCount) {
                        maxCount = count;
                        mainReason = reason;
                    }
                }

                const row = detailsTableBody.insertRow();
                row.insertCell().textContent = keyId;
                row.insertCell().textContent = formatNumber(totalCountForKey); 
                row.insertCell().textContent = mainReason; 
            });
        } else {
            if (detailsTableBody) detailsTableBody.innerHTML = '<tr><td colspan="3" class="text-center text-muted">暂无按 Key 详细统计数据。</td></tr>';
        }
    }

    async function fetchReportData() {
        document.getElementById('last-updated-time').textContent = '加载中...';
        try {
            const response = await fetch('/api/manage/report/data', { 
                headers: {
                    'Authorization': `Bearer ${token}` 
                }
            });
            if (!response.ok) {
                if (response.status === 401 || response.status === 403) {
                    console.error('认证失败或无权限，重定向到登录页。');
                    window.location.href = '/'; 
                    return; 
                }
                throw new Error(`HTTP error! status: ${response.status}`);
            }
            const data = await response.json();
            console.log('报告数据获取成功:', data); 

            const now = new Date();
            document.getElementById('last-updated-time').textContent = now.toLocaleString();
            renderCapacityCharts(data.overall_stats, data.overall_stats); 
            renderKeyStatusCharts(data.key_usage_summary); 
            renderKeySuggestion(data.key_suggestion);
            renderTopIps(data.top_ips);
            renderKeySelectionStats(data.key_selection_tracking);

        } catch (error) {
            console.error('获取报告数据失败:', error);
            document.getElementById('last-updated-time').textContent = '加载失败';
            document.getElementById('rpd-stats').textContent = '数据加载失败';
            document.getElementById('tpd-input-stats').textContent = '数据加载失败';
            document.getElementById('key-status-loading').textContent = '数据加载失败';
            document.getElementById('key-status-details').innerHTML = '<p class="text-center text-danger">数据加载失败。</p>';
            document.getElementById('key-suggestion').textContent = '数据加载失败。';
            document.getElementById('top-ips-requests').innerHTML = '<tr><td colspan="3" class="text-center text-danger">数据加载失败。</td></tr>';
            document.getElementById('top-ips-tokens').innerHTML = '<tr><td colspan="3" class="text-center text-danger">数据加载失败。</td></tr>';
            document.getElementById('key-selection-reasons-summary').innerHTML = '<li class="list-group-item text-center text-danger">数据加载失败。</li>';
             document.getElementById('key-selection-details').innerHTML = '<tr><td colspan="3" class="text-center text-danger">数据加载失败。</td></tr>';
        }
    }

    // document.addEventListener('DOMContentLoaded', fetchReportData); // 移除，由 initializeManageReportPage 控制
    // Chart.js 插件注册移到 initializeManageReportPage 内部，确保 Chart 对象已加载
    if (typeof Chart !== 'undefined') {
        Chart.register({
            id: 'centerText',
            beforeDraw: function(chart) {
                if (chart.config.options.cutout !== '70%' || chart.config.options.circumference !== 180) {
                     return; 
                }
                const ctx = chart.ctx;
                const width = chart.width;
                const height = chart.height;
                const centerX = width / 2;
                const centerY = height * 0.7; 
                ctx.restore();
                const fontSize = (height / 114).toFixed(2);
                ctx.font = `${fontSize}em sans-serif`;
                ctx.textBaseline = "middle";
                const text = chart.config.options.plugins.centerText?.text || ''; 
                const textX = centerX;
                const textY = centerY; 
                ctx.fillText(text, textX, textY);
                ctx.save();
            }
        });
    } else {
        console.warn("Chart.js 未定义，无法注册 centerText 插件。");
    }
    
    fetchReportData(); // 在函数定义后立即调用以加载初始数据

    } // initializeManageReportPage 函数结束

    if (typeof initializeManageReportPage === 'function') {
        console.log('Manage Report (content script): Calling initializeManageReportPage.');
        initializeManageReportPage();
    }
    </script>
</div> 
{% endblock %}