{% extends "base.html" %}

{% block title %}版本管理 - 软件授权管理系统{% endblock %}

{% block page_title %}版本管理{% endblock %}

{% block page_actions %}
<a href="{{ url_for('web.create_version') }}" class="btn btn-primary">
    <i class="fas fa-plus me-2"></i>
    发布版本
</a>
{% endblock %}

{% block content %}
<!-- 搜索和筛选 -->
<div class="card shadow mb-4">
    <div class="card-body">
        <form id="search-form" class="row g-3">
            <div class="col-md-4">
                <input type="text" class="form-control" id="search-keyword" placeholder="搜索版本号或描述...">
            </div>
            <div class="col-md-3">
                <select class="form-select" id="search-product">
                    <option value="">全部产品</option>
                    {% for product in products %}
                    <option value="{{ product.product_id }}">{{ product.product_name }}</option>
                    {% endfor %}
                </select>
            </div>
            <div class="col-md-3">
                <select class="form-select" id="search-status">
                    <option value="">全部状态</option>
                    <option value="0">未发布</option>
                    <option value="1">已发布</option>
                </select>
            </div>
            <div class="col-md-2">
                <button type="submit" class="btn btn-outline-primary">
                    <i class="fas fa-search me-2"></i>
                    搜索
                </button>
            </div>
        </form>
    </div>
</div>

<!-- 版本列表 -->
<div class="card shadow">
    <div class="card-body">
        <div class="table-responsive">
            <table class="table table-hover">
                <thead>
                    <tr>
                        <th>版本号</th>
                        <th>产品</th>
                        <th>描述</th>
                        <th>文件大小</th>
                        <th>状态</th>
                        <th>发布时间</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody id="version-list">
                    <tr>
                        <td colspan="7" class="text-center text-muted">
                            <div class="spinner-border spinner-border-sm me-2" role="status"></div>
                            加载中...
                        </td>
                    </tr>
                </tbody>
            </table>
        </div>

        <!-- 分页 -->
        <nav aria-label="版本列表分页">
            <ul class="pagination justify-content-center" id="pagination">
                <!-- 分页将通过JavaScript动态生成 -->
            </ul>
        </nav>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
let currentPage = 1;

// 页面加载完成后初始化
document.addEventListener('DOMContentLoaded', function() {
    loadVersions();
    initEventListeners();
});

// 初始化事件监听器
function initEventListeners() {
    // 搜索表单
    document.getElementById('search-form').addEventListener('submit', function(e) {
        e.preventDefault();
        currentPage = 1;
        loadVersions();
    });
}

// 加载版本列表
function loadVersions(page = 1) {
    const params = new URLSearchParams({
        page: page,
        per_page: 10
    });

    // 添加搜索参数
    const keyword = document.getElementById('search-keyword').value.trim();
    const product = document.getElementById('search-product').value;
    const status = document.getElementById('search-status').value;

    if (keyword) params.append('keyword', keyword);
    if (product) params.append('product_id', product);
    if (status) params.append('status', status);

    apiRequest(`/api/v1/versions?${params}`)
        .then(data => {
            if (data.success) {
                renderVersionList(data.data.versions);
                renderPagination(data.data.pagination);
            } else {
                showNotification(data.message || '加载版本列表失败', 'error');
            }
        })
        .catch(error => {
            console.error('Failed to load versions:', error);
            showNotification('加载版本列表失败', 'error');
        });
}

// 渲染版本列表
function renderVersionList(versions) {
    const tbody = document.getElementById('version-list');

    if (versions.length === 0) {
        tbody.innerHTML = '<tr><td colspan="7" class="text-center text-muted">暂无数据</td></tr>';
        return;
    }

    tbody.innerHTML = versions.map(version => `
        <tr>
            <td>
                <strong>${version.version_num}</strong>
                <br><small class="text-muted">${version.platform || '-'}</small>
            </td>
            <td>
                ${version.product_name || '-'}
                <br><small class="text-muted">${version.product_id || '-'}</small>
            </td>
            <td>${version.description || '-'}</td>
            <td>${version.file_size ? formatFileSize(version.file_size) : '-'}</td>
            <td>
                <span class="badge ${version.publish_status === 1 ? 'bg-success' : 'bg-secondary'}">
                    ${version.publish_status === 1 ? '已发布' : '未发布'}
                </span>
            </td>
            <td>
                <small>${version.publish_time ? formatDate(version.publish_time) : '-'}</small>
            </td>
            <td>
                <div class="btn-group btn-group-sm" role="group">
                    <a href="/versions/${version.version_id}" class="btn btn-outline-primary" title="查看">
                        <i class="fas fa-eye"></i>
                    </a>
                    <a href="/versions/${version.version_id}/edit" class="btn btn-outline-secondary" title="编辑">
                        <i class="fas fa-edit"></i>
                    </a>
                    ${version.publish_status === 0 || version.publish_status === 2 ? `
                    <button type="button" class="btn btn-outline-success btn-publish"
                            data-version-id="${version.version_id}"
                            title="发布">
                        <i class="fas fa-paper-plane"></i>
                    </button>
                    ${version.publish_status === 0 ? `
                    <button type="button" class="btn btn-outline-danger btn-delete"
                            data-version-id="${version.version_id}"
                            title="删除">
                        <i class="fas fa-trash"></i>
                    </button>
                    ` : ''}
                    ` : `
                    <button type="button" class="btn btn-outline-warning btn-unpublish"
                            data-version-id="${version.version_id}"
                            title="取消发布">
                        <i class="fas fa-undo"></i>
                    </button>
                    `}
                </div>
            </td>
        </tr>
    `).join('');

    // 绑定事件
    document.querySelectorAll('.btn-publish').forEach(btn => {
        btn.addEventListener('click', function() {
            const versionId = this.dataset.versionId;
            updateVersionStatus(versionId, 1); // 发布
        });
    });

    document.querySelectorAll('.btn-unpublish').forEach(btn => {
        btn.addEventListener('click', function() {
            const versionId = this.dataset.versionId;
            updateVersionStatus(versionId, 0); // 取消发布
        });
    });

    document.querySelectorAll('.btn-delete').forEach(btn => {
        btn.addEventListener('click', function() {
            const versionId = this.dataset.versionId;
            deleteVersion(versionId);
        });
    });
}

// 渲染分页
function renderPagination(pagination) {
    const paginationEl = document.getElementById('pagination');

    if (pagination.pages <= 1) {
        paginationEl.innerHTML = '';
        return;
    }

    let html = '';

    // 上一页
    if (pagination.has_prev) {
        html += `<li class="page-item">
                    <a class="page-link" href="#" data-page="${pagination.page - 1}">上一页</a>
                 </li>`;
    }

    // 页码
    const startPage = Math.max(1, pagination.page - 2);
    const endPage = Math.min(pagination.pages, pagination.page + 2);

    if (startPage > 1) {
        html += `<li class="page-item"><a class="page-link" href="#" data-page="1">1</a></li>`;
        if (startPage > 2) {
            html += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
        }
    }

    for (let i = startPage; i <= endPage; i++) {
        html += `<li class="page-item ${i === pagination.page ? 'active' : ''}">
                    <a class="page-link" href="#" data-page="${i}">${i}</a>
                 </li>`;
    }

    if (endPage < pagination.pages) {
        if (endPage < pagination.pages - 1) {
            html += `<li class="page-item disabled"><span class="page-link">...</span></li>`;
        }
        html += `<li class="page-item"><a class="page-link" href="#" data-page="${pagination.pages}">${pagination.pages}</a></li>`;
    }

    // 下一页
    if (pagination.has_next) {
        html += `<li class="page-item">
                    <a class="page-link" href="#" data-page="${pagination.page + 1}">下一页</a>
                 </li>`;
    }

    paginationEl.innerHTML = html;

    // 绑定分页点击事件
    paginationEl.querySelectorAll('.page-link').forEach(link => {
        link.addEventListener('click', function(e) {
            e.preventDefault();
            const page = parseInt(this.dataset.page);
            if (page && page !== currentPage) {
                currentPage = page;
                loadVersions(page);
            }
        });
    });
}

// 更新版本状态
function updateVersionStatus(versionId, status) {
    const action = status === 1 ? '发布' : '取消发布';
    
    if (!confirm(`确定要${action}该版本吗？`)) {
        return;
    }

    apiRequest(`/api/v1/versions/${versionId}/status`, {
        method: 'PUT',
        body: JSON.stringify({ status: status })
    })
    .then(data => {
        if (data.success) {
            showNotification(`${action}成功`, 'success');
            loadVersions(currentPage);
        } else {
            showNotification(data.message || `${action}失败`, 'error');
        }
    })
    .catch(error => {
        console.error('Failed to update version status:', error);
        showNotification(`${action}失败`, 'error');
    });
}

// 删除版本
function deleteVersion(versionId) {
    if (!confirm('确定要删除该版本吗？')) {
        return;
    }

    apiRequest(`/api/v1/versions/${versionId}`, {
        method: 'DELETE'
    })
    .then(data => {
        if (data.success) {
            showNotification('删除成功', 'success');
            loadVersions(currentPage);
        } else {
            showNotification(data.message || '删除失败', 'error');
        }
    })
    .catch(error => {
        console.error('Failed to delete version:', error);
        if (error.message && error.message.includes('HTTP error! status: 400')) {
            showNotification('删除失败：该版本可能已发布或正在被设备使用，请先取消发布并确保无设备使用后再删除', 'error');
        } else {
            showNotification('删除失败：' + (error.message || '未知错误'), 'error');
        }
    });
}
</script>
{% endblock %}