{% extends "base.html" %}

{% block content %}
<div class="flex h-screen overflow-hidden" id="data-view">
    <!-- Sidebar -->
    {% include 'partials/sidebar.html' %}

    <!-- Main Content -->
    <div class="flex-1 flex flex-col min-w-0 overflow-hidden bg-gray-900/80 relative">
        <!-- Top Header -->
        <header class="h-16 flex items-center justify-between px-6 z-20 bg-gray-900/80 backdrop-blur-md border-b border-blue-900/30">
            <button class="md:hidden text-gray-300 focus:outline-none" id="open-sidebar">
                <i class="fas fa-bars text-xl"></i>
            </button>
            <h1 class="text-lg md:text-2xl font-bold tech-title truncate ml-2">数据管理</h1>
            <div class="flex items-center space-x-4">
                 <div class="flex items-center space-x-2">
                    <div class="w-8 h-8 rounded-full bg-blue-500 flex items-center justify-center text-white font-bold border border-cyan-400 shadow-md">A</div>
                    <span class="hidden md:inline text-sm text-gray-300">{{ current_user.username }}</span>
                </div>
            </div>
        </header>

        <!-- Main Scrollable Area -->
        <main class="flex-1 overflow-y-auto p-4 md:p-6 scroll-smooth">
            <div class="tech-panel p-6 rounded-xl mb-6 min-h-[calc(100vh-140px)] flex flex-col">
                
                <!-- 1. Search Area -->
                <div class="flex flex-col md:flex-row gap-4 mb-6">
                    <div class="flex-1 flex gap-2">
                        <input type="text" id="search-keyword" class="flex-1 bg-gray-700 text-white rounded p-2 border border-gray-600 focus:outline-none focus:border-blue-500" placeholder="请输入标题、来源或摘要进行模糊查询...">
                        <button onclick="searchData()" class="bg-blue-600 hover:bg-blue-700 text-white px-6 rounded font-medium transition-colors">
                            <i class="fas fa-search"></i> 搜索
                        </button>
                    </div>
                </div>

                <!-- 2. Toolbar -->
                <div class="flex gap-3 mb-4 p-3 bg-gray-800/50 rounded-lg border border-gray-700">
                    <button onclick="batchDelete()" class="bg-red-600/80 hover:bg-red-600 text-white px-4 py-2 rounded text-sm transition-colors flex items-center gap-2">
                        <i class="fas fa-trash-alt"></i> 批量删除
                    </button>
                    <button onclick="batchDeepCollect()" class="bg-purple-600/80 hover:bg-purple-600 text-white px-4 py-2 rounded text-sm transition-colors flex items-center gap-2">
                        <i class="fas fa-robot"></i> 批量AI深度采集
                    </button>
                </div>

                <!-- 3. Data Table -->
                <div class="flex-1 overflow-x-auto">
                    <table class="w-full text-left border-collapse">
                        <thead>
                            <tr class="text-gray-400 border-b border-gray-700 bg-gray-800/30">
                                <th class="p-4 w-12 text-center">
                                    <input type="checkbox" id="select-all" onclick="toggleSelectAll()" class="rounded bg-gray-700 border-gray-600 text-blue-500 focus:ring-offset-gray-900">
                                </th>
                                <th class="p-4 w-20">ID</th>
                                <th class="p-4 w-24">封面</th>
                                <th class="p-4">标题</th>
                                <th class="p-4 w-40">来源</th>
                                <th class="p-4 w-48">采集时间</th>
                                <th class="p-4 w-48 text-center">操作</th>
                            </tr>
                        </thead>
                        <tbody id="data-table-body" class="text-gray-300 divide-y divide-gray-700/50">
                            <!-- Rows will be injected here -->
                        </tbody>
                    </table>
                </div>

                <!-- 4. Pagination -->
                <div class="mt-6 flex justify-between items-center border-t border-gray-700 pt-4">
                    <div class="text-sm text-gray-500">
                        共 <span id="total-count" class="text-white font-bold">0</span> 条数据
                    </div>
                    <div class="flex gap-2" id="pagination-controls">
                        <!-- Pagination buttons -->
                    </div>
                </div>
            </div>
        </main>
    </div>
</div>

<!-- Toast Notification -->
<div id="toast" class="fixed top-5 left-1/2 transform -translate-x-1/2 z-50 hidden transition-all duration-300">
    <div class="bg-gray-800 border-l-4 border-blue-500 text-white px-6 py-3 rounded shadow-lg flex items-center gap-3">
        <i class="fas fa-info-circle text-blue-400" id="toast-icon"></i>
        <span id="toast-message">Notification</span>
    </div>
</div>

<!-- Confirm Modal -->
<div id="confirm-modal" class="fixed inset-0 z-50 hidden">
    <div class="absolute inset-0 bg-black/60 backdrop-blur-sm" onclick="closeConfirm()"></div>
    <div class="absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 bg-gray-800 rounded-xl shadow-2xl border border-gray-700 w-96 p-6 animate-fade-in-up">
        <h3 class="text-xl font-bold text-white mb-2">确认操作</h3>
        <p class="text-gray-400 mb-6" id="confirm-message">确定要执行此操作吗？</p>
        <div class="flex justify-end gap-3">
            <button onclick="closeConfirm()" class="px-4 py-2 rounded text-gray-400 hover:text-white hover:bg-gray-700 transition-colors">取消</button>
            <button id="confirm-btn" class="px-4 py-2 rounded bg-red-600 text-white hover:bg-red-700 transition-colors shadow-lg">确定</button>
        </div>
    </div>
</div>

<!-- Deep Collect Report Modal -->
<div id="deep-collect-modal" class="fixed inset-0 z-50 hidden">
    <div class="absolute inset-0 bg-black/60 backdrop-blur-sm"></div>
    <div class="absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 bg-gray-800 rounded-xl shadow-2xl border border-gray-700 w-[500px] p-6 animate-fade-in-up">
        <h3 class="text-xl font-bold text-white mb-4"><i class="fas fa-robot text-purple-400 mr-2"></i>深度采集执行报告</h3>
        
        <div id="deep-progress-area" class="mb-6">
            <div class="flex justify-between text-sm text-gray-400 mb-2">
                <span id="deep-status-text">正在初始化...</span>
                <span id="deep-percent">0%</span>
            </div>
            <div class="w-full bg-gray-700 rounded-full h-2.5 overflow-hidden">
                <div id="deep-progress-bar" class="bg-purple-500 h-2.5 rounded-full transition-all duration-300" style="width: 0%"></div>
            </div>
        </div>

        <div id="deep-result-area" class="hidden mb-6 bg-gray-900/50 rounded p-4 border border-gray-700">
            <div class="flex items-center gap-2 mb-2">
                <i id="deep-result-icon" class="fas fa-check-circle text-green-500 text-lg"></i>
                <span id="deep-result-title" class="text-white font-bold">采集成功</span>
            </div>
            <p id="deep-result-msg" class="text-gray-400 text-sm mb-2">已成功采集并保存深度数据。</p>
            <div class="text-xs text-gray-500 bg-gray-800 p-2 rounded max-h-32 overflow-y-auto font-mono" id="deep-summary-preview">
                <!-- Summary -->
            </div>
        </div>

        <div class="flex justify-end gap-3">
            <button onclick="closeDeepModal()" class="px-4 py-2 rounded text-gray-400 hover:text-white hover:bg-gray-700 transition-colors" id="deep-close-btn">关闭</button>
            <a href="#" id="deep-view-btn" class="hidden px-4 py-2 rounded bg-blue-600 text-white hover:bg-blue-700 transition-colors shadow-lg">查看详情</a>
        </div>
    </div>
</div>

<script>
    let currentPage = 1;
    let currentKeyword = '';
    const pageSize = 10;

    $(document).ready(function() {
        loadData();

        // Bind Enter key for search
        $('#search-keyword').keypress(function(e) {
            if(e.which == 13) {
                searchData();
            }
        });

        // Sidebar Toggle
        $('#open-sidebar').click(function() {
            $('#sidebar').toggleClass('-translate-x-full');
        });
    });

    function searchData() {
        currentKeyword = $('#search-keyword').val().trim();
        currentPage = 1;
        loadData();
    }

    function loadData() {
        const tbody = $('#data-table-body');
        tbody.html('<tr><td colspan="7" class="text-center py-10 text-gray-500"><i class="fas fa-spinner fa-spin mr-2"></i>加载中...</td></tr>');

        $.get('/data/api/list', {
            page: currentPage,
            per_page: pageSize,
            keyword: currentKeyword
        }, function(response) {
            renderTable(response.items);
            renderPagination(response);
            $('#total-count').text(response.total);
            // Reset Select All
            $('#select-all').prop('checked', false);
        }).fail(function() {
            tbody.html('<tr><td colspan="7" class="text-center py-10 text-red-500">加载失败，请重试</td></tr>');
        });
    }

    function renderTable(items) {
        const tbody = $('#data-table-body');
        tbody.empty();

        if (items.length === 0) {
            tbody.html('<tr><td colspan="7" class="text-center py-10 text-gray-500">暂无数据</td></tr>');
            return;
        }

        items.forEach(item => {
            const html = `
                <tr class="hover:bg-gray-800/50 transition-colors group">
                    <td class="p-4 text-center">
                        <input type="checkbox" class="row-checkbox rounded bg-gray-700 border-gray-600 text-blue-500 focus:ring-offset-gray-900" value="${item.id}">
                    </td>
                    <td class="p-4 text-gray-500 text-sm">#${item.id}</td>
                    <td class="p-4">
                         <div class="w-12 h-8 bg-gray-700 rounded overflow-hidden flex items-center justify-center">
                            ${item.cover ? `<img src="${item.cover}" class="w-full h-full object-cover" onerror="this.style.display='none';this.nextElementSibling.style.display='inline'">` : ''}
                            <i class="fas fa-image text-gray-500 text-xs ${item.cover ? 'hidden' : ''}"></i>
                        </div>
                    </td>
                    <td class="p-4">
                        <div class="flex items-center">
                            <a href="${item.link}" target="_blank" class="text-white font-medium hover:text-blue-400 line-clamp-1 mr-2" title="${item.title}">
                                ${item.title || '无标题'}
                            </a>
                            ${item.has_deep_collection ? 
                                `<a href="/deep/dashboard?query=${encodeURIComponent(item.link)}" class="inline-flex items-center gap-1 text-[10px] bg-purple-900/50 text-purple-300 px-1.5 py-0.5 rounded border border-purple-700 hover:bg-purple-800 transition-colors whitespace-nowrap" title="已深度采集">
                                    <i class="fas fa-check"></i> Deep
                                </a>` 
                            : ''}
                        </div>
                    </td>
                    <td class="p-4 text-sm text-gray-400">${item.source || '-'}</td>
                    <td class="p-4 text-sm text-gray-400 font-mono">${item.published_at || '-'}</td>
                    <td class="p-4 text-sm text-gray-400 font-mono">${item.created_at}</td>
                    <td class="p-4">
                        <div class="flex justify-center gap-2">
                            <button onclick="deepCollectItem(${item.id})" class="text-purple-400 hover:text-purple-300 p-1" title="AI深度采集">
                                <i class="fas fa-robot"></i>
                            </button>
                            <button onclick="deleteItem(${item.id})" class="text-red-400 hover:text-red-300 p-1" title="删除">
                                <i class="fas fa-trash-alt"></i>
                            </button>
                        </div>
                    </td>
                </tr>
            `;
            tbody.append(html);
        });
    }
    
    let deepPollInterval = null;

    function deepCollectItem(id) {
        $('#deep-collect-modal').removeClass('hidden');
        $('#deep-progress-area').show();
        $('#deep-result-area').addClass('hidden');
        $('#deep-view-btn').addClass('hidden');
        $('#deep-close-btn').prop('disabled', true).text('执行中...');
        
        updateProgress(0, '正在初始化任务...');
        
        $.ajax({
            url: '/deep/api/collect',
            type: 'POST',
            contentType: 'application/json',
            data: JSON.stringify({ id: id }),
            success: function(res) {
                const taskId = res.task_id;
                startDeepPolling(taskId);
            },
            error: function(xhr) {
                updateProgress(100, '启动失败');
                showDeepResult(false, xhr.responseJSON);
            }
        });
    }

    function startDeepPolling(taskId) {
        if (deepPollInterval) clearInterval(deepPollInterval);
        
        deepPollInterval = setInterval(() => {
            $.get(`/deep/api/status/${taskId}`, function(res) {
                updateProgress(res.progress, res.progress_msg);
                
                if (res.status === 'completed') {
                    clearInterval(deepPollInterval);
                    setTimeout(() => {
                         showDeepResult(true, res);
                    }, 500);
                } else if (res.status === 'failed') {
                    clearInterval(deepPollInterval);
                    showDeepResult(false, { error: res.error });
                }
            }).fail(function() {
                clearInterval(deepPollInterval);
                showDeepResult(false, { error: '获取进度失败' });
            });
        }, 1000);
    }
    
    function updateProgress(percent, text) {
        $('#deep-progress-bar').css('width', percent + '%');
        $('#deep-percent').text(percent + '%');
        $('#deep-status-text').text(text);
    }
    
    function showDeepResult(success, data) {
        $('#deep-progress-area').hide();
        $('#deep-result-area').removeClass('hidden');
        $('#deep-close-btn').prop('disabled', false).text('关闭');
        
        if (success) {
            $('#deep-result-icon').attr('class', 'fas fa-check-circle text-green-500 text-lg');
            $('#deep-result-title').text('采集成功');
            $('#deep-result-msg').text('深度采集数据已成功保存。');
            $('#deep-summary-preview').text(data.summary || '无摘要生成');
            $('#deep-view-btn').removeClass('hidden').attr('href', '/deep/dashboard?query=' + encodeURIComponent(data.url));
            loadData(); // Refresh list to show flag
        } else {
            $('#deep-result-icon').attr('class', 'fas fa-times-circle text-red-500 text-lg');
            $('#deep-result-title').text('采集失败');
            $('#deep-result-msg').text(data?.error || '未知错误');
            $('#deep-summary-preview').text('');
        }
    }
    
    function closeDeepModal() {
        if (deepPollInterval) clearInterval(deepPollInterval);
        $('#deep-collect-modal').addClass('hidden');
    }

    function renderPagination(data) {
        const container = $('#pagination-controls');
        container.empty();

        if (data.pages <= 1) return;

        // Previous
        container.append(`
            <button onclick="changePage(${data.current_page - 1})" 
                    class="px-3 py-1 rounded bg-gray-700 text-gray-300 hover:bg-gray-600 disabled:opacity-50 disabled:cursor-not-allowed"
                    ${data.current_page === 1 ? 'disabled' : ''}>
                <i class="fas fa-chevron-left"></i>
            </button>
        `);

        // Page Numbers (Simple logic for now: show all or simplified range)
        // Let's show current - 2 to current + 2
        let start = Math.max(1, data.current_page - 2);
        let end = Math.min(data.pages, data.current_page + 2);

        if (start > 1) {
            container.append(`<span class="px-2 text-gray-500">...</span>`);
        }

        for (let i = start; i <= end; i++) {
            container.append(`
                <button onclick="changePage(${i})" 
                        class="px-3 py-1 rounded ${i === data.current_page ? 'bg-blue-600 text-white' : 'bg-gray-700 text-gray-300 hover:bg-gray-600'}">
                    ${i}
                </button>
            `);
        }

        if (end < data.pages) {
            container.append(`<span class="px-2 text-gray-500">...</span>`);
        }

        // Next
        container.append(`
            <button onclick="changePage(${data.current_page + 1})" 
                    class="px-3 py-1 rounded bg-gray-700 text-gray-300 hover:bg-gray-600 disabled:opacity-50 disabled:cursor-not-allowed"
                    ${data.current_page === data.pages ? 'disabled' : ''}>
                <i class="fas fa-chevron-right"></i>
            </button>
        `);
    }

    function changePage(page) {
        if (page < 1) return;
        currentPage = page;
        loadData();
    }

    function toggleSelectAll() {
        const checked = $('#select-all').prop('checked');
        $('.row-checkbox').prop('checked', checked);
    }

    function getSelectedIds() {
        const ids = [];
        $('.row-checkbox:checked').each(function() {
            ids.push($(this).val());
        });
        return ids;
    }

    // --- UI Helpers ---
    function showToast(msg, type = 'info') {
        const toast = $('#toast');
        const icon = $('#toast-icon');
        const text = $('#toast-message');
        const container = toast.find('div');
        
        text.text(msg);
        toast.removeClass('hidden').addClass('flex');
        
        // Reset classes
        container.removeClass('border-blue-500 border-red-500 border-green-500');
        icon.removeClass('text-blue-400 text-red-400 text-green-400 fa-info-circle fa-check-circle fa-exclamation-circle');
        
        if (type === 'success') {
            container.addClass('border-green-500');
            icon.addClass('text-green-400 fa-check-circle');
        } else if (type === 'error') {
            container.addClass('border-red-500');
            icon.addClass('text-red-400 fa-exclamation-circle');
        } else {
            container.addClass('border-blue-500');
            icon.addClass('text-blue-400 fa-info-circle');
        }
        
        setTimeout(() => {
            toast.addClass('hidden').removeClass('flex');
        }, 3000);
    }

    let onConfirmAction = null;
    
    function showConfirm(msg, action) {
        $('#confirm-message').text(msg);
        $('#confirm-modal').removeClass('hidden');
        onConfirmAction = action;
    }

    function closeConfirm() {
        $('#confirm-modal').addClass('hidden');
        onConfirmAction = null;
    }
    
    // Initialize listeners
    $(document).ready(function() {
        $('#confirm-btn').click(function() {
            if (onConfirmAction) onConfirmAction();
            closeConfirm();
        });
    });

    // --- Actions ---

    function deleteItem(id) {
        showConfirm('确定要删除这条数据吗？', () => performDelete([id]));
    }

    function batchDelete() {
        const ids = getSelectedIds();
        if (ids.length === 0) {
            showToast('请先选择要删除的数据', 'info');
            return;
        }
        showConfirm(`确定要删除选中的 ${ids.length} 条数据吗？`, () => performDelete(ids));
    }

    function performDelete(ids) {
        $.ajax({
            url: '/data/api/delete',
            method: 'POST',
            contentType: 'application/json',
            data: JSON.stringify({ ids: ids }),
            success: function(response) {
                showToast('删除成功', 'success');
                loadData(); // Reload current page
            },
            error: function(xhr) {
                showToast('删除失败: ' + (xhr.responseJSON?.error || '未知错误'), 'error');
            }
        });
    }

    async function batchDeepCollect() {
        const ids = getSelectedIds();
        if (ids.length === 0) {
            showToast('请先选择要进行AI深度采集的数据', 'info');
            return;
        }
        
        $('#deep-collect-modal').removeClass('hidden');
        $('#deep-progress-area').show();
        $('#deep-result-area').addClass('hidden');
        $('#deep-view-btn').addClass('hidden');
        $('#deep-close-btn').prop('disabled', true).text('批量执行中...');
        
        let successCount = 0;
        let failCount = 0;
        
        for (let i = 0; i < ids.length; i++) {
            const id = ids[i];
            const percent = Math.round(((i) / ids.length) * 100);
            updateProgress(percent, `正在处理第 ${i+1}/${ids.length} 条数据...`);
            
            try {
                // 1. Start Task
                const res = await new Promise((resolve, reject) => {
                    $.ajax({
                        url: '/deep/api/collect',
                        type: 'POST',
                        contentType: 'application/json',
                        data: JSON.stringify({ id: id }),
                        success: resolve,
                        error: reject
                    });
                });
                
                const taskId = res.task_id;
                
                // 2. Poll until complete
                await new Promise((resolve) => {
                    const poll = setInterval(() => {
                        $.get(`/deep/api/status/${taskId}`, function(statusRes) {
                            if (statusRes.status === 'completed') {
                                clearInterval(poll);
                                successCount++;
                                resolve();
                            } else if (statusRes.status === 'failed') {
                                clearInterval(poll);
                                failCount++;
                                resolve();
                            }
                        }).fail(() => {
                            clearInterval(poll);
                            failCount++;
                            resolve();
                        });
                    }, 1000); 
                });
                
            } catch (e) {
                console.error(e);
                failCount++;
            }
        }
        
        updateProgress(100, '批量采集完成');
        
        $('#deep-progress-area').hide();
        $('#deep-result-area').removeClass('hidden');
        $('#deep-close-btn').prop('disabled', false).text('关闭');
        
        $('#deep-result-icon').attr('class', 'fas fa-info-circle text-blue-500 text-lg');
        $('#deep-result-title').text('批量任务结束');
        $('#deep-result-msg').text(`成功: ${successCount}, 失败: ${failCount}`);
        $('#deep-summary-preview').text('批量任务不提供摘要预览，请到深采管理查看详情。');
        
        loadData();
    }
</script>
{% endblock %}