{include file="public/header" /}
<div class="config-container">
    <div class="config-header" style="display:flex;justify-content: space-between;">
        <div>
            <span>编辑文章</span>
        </div>
        <div>
            <button type="button" class="layui-btn layui-btn-primary layui-btn-sm" onclick="goBack()">
                <i class="layui-icon layui-icon-return"></i>返回
            </button>
        </div>
    </div>
    <form class="layui-form" action="" method="post">
        <div class="layui-form-item">
            <label class="layui-form-label">标题</label>
            <div class="layui-input-block">
                <input type="text" name="title" required lay-verify="required" placeholder="请输入文章标题" autocomplete="off"
                    class="layui-input" value="{$info.title}">
            </div>
        </div>

        <div class="layui-form-item">
            <label class="layui-form-label">分类</label>
            <div class="layui-input-block">
                <select name="cate" lay-verify="required">
                    <option value="">请选择分类</option>
                    {foreach $cates as $item}
                    <option value="{$item.id}" {if $info.cate==$item.id}selected{/if}>{$item.name}</option>
                    {/foreach}
                </select>
            </div>
        </div>

        <div class="layui-form-item">
            <label class="layui-form-label">描述</label>
            <div class="layui-input-block">
                <textarea name="desc" placeholder="请输入描述内容" class="layui-textarea">{$info.desc}</textarea>
            </div>
        </div>

        <div class="layui-form-item">
            <label class="layui-form-label">作者</label>
            <div class="layui-input-block">
                <input type="text" name="author" required lay-verify="required" placeholder="请输入作者" autocomplete="off"
                    class="layui-input" value="{$info.author}">
            </div>
        </div>

        <div class="layui-form-item">
            <label class="layui-form-label">是否转载</label>
            <div class="layui-input-block">
                <input type="checkbox" name="is_trans" lay-skin="switch" lay-text="是|否" lay-filter="isTrans" {if $info.is_trans eq '是'}checked{/if}>
            </div>
        </div>

        <div class="layui-form-item" id="transUrlItem" style="display: none;">
            <label class="layui-form-label">转载地址</label>
            <div class="layui-input-block">
                <input type="text" name="transurl" placeholder="请输入转载地址" autocomplete="off" class="layui-input"
                    value="{$info.transurl}">
            </div>
        </div>

        <div class="layui-form-item">
            <label class="layui-form-label">封面</label>
            <div class="layui-input-block">
                <button type="button" class="layui-btn" id="upload-btn">
                    <i class="layui-icon layui-icon-upload"></i> 图片上传
                </button>
                <div style="width: 120px;">
                    <div class="layui-upload-list">
                        <img class="layui-upload-img" id="upload-img"
                            style="width: 118px; height: 118px;object-fit: cover;" src="{$info.image}">
                        <div id="upload-text"></div>
                    </div>
                    <div class="layui-progress layui-progress-big" lay-showPercent="yes" lay-filter="filter-demo">
                        <div class="layui-progress-bar" lay-percent=""></div>
                    </div>
                    <input type="hidden" name="image" id="image" value="{$info.image}">
                </div>
            </div>
        </div>

        <div class="layui-form-item layui-form-text">
            <label class="layui-form-label">内容</label>
            <div class="layui-input-block">
                <div id="editor—wrapper" id="content" name="content" style="border: 1px solid #ccc;">
                    <div id="toolbar-container" style="border-bottom: 1px solid #ccc;"><!-- 工具栏 --></div>
                    <div id="editor-container" style="height: 800px;"><!-- 编辑器 --></div>
                </div>
            </div>
        </div>

        <div class="layui-form-item">
            <div class="layui-input-block">
                <button class="layui-btn" lay-submit lay-filter="formSubmit">立即提交</button>
                <button class="layui-btn layui-btn-primary" lay-submit lay-filter="formDraft">存草稿</button>
                <button type="reset" class="layui-btn layui-btn-primary">重置</button>
            </div>
        </div>
    </form>
</div>

<script src="/static/js/wangeditor.js"></script>
<script>
    layui.use(['form', 'layer'], function () {
        var form = layui.form;
        var layer = layui.layer;
        var $ = layui.jquery;
        var upload = layui.upload;
        var element = layui.element;

        // 页面加载时检查转载状态
        var isTrans = '{$info.is_trans|default="否"}';
        if(isTrans === '是') {
            $('#transUrlItem').show();
        } else {
            $('#transUrlItem').hide();
        }

        // 监听转载开关
        form.on('switch(isTrans)', function (data) {
            $('#transUrlItem')[data.elem.checked ? 'show' : 'hide']();
        });

        // 图片上传
        var uploadInst = upload.render({
            elem: '#upload-btn',
            url: '{:url("index/upload_img")}', // 上传图片接口
            before: function (obj) {
                // 预读本地文件示例，不支持ie8
                obj.preview(function (index, file, result) {
                    $('#upload-img').attr('src', result); // 图片链接（base64）
                });
                element.progress('filter-demo', '0%'); // 进度条复位
                layer.msg('上传中', { icon: 16, time: 0 });
            },
            done: function (res) {
                // 若上传失败
                if (res.code > 0) {
                    return layer.msg('上传失败');
                }
                // 上传成功
                $('#image').val(res.data); // 设置图片路径到隐藏输入框
                $('#upload-text').html(''); // 置空上传失败的状态
                layer.msg('上传成功', { icon: 1 });
            },
            uploadError: function () {  // 这里改为 uploadError
                // 演示失败状态，并实现重传
                var demoText = $('#upload-text');
                demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-xs demo-reload">重试</a>');
                demoText.find('.demo-reload').on('click', function () {
                    uploadInst.upload();
                });
            },
            // 进度条
            progress: function (n, elem, e) {
                element.progress('filter-demo', n + '%'); // 可配合 layui 进度条元素使用
                if (n == 100) {
                    layer.msg('上传完毕', { icon: 1 });
                }
            }
        });

        // 获取分类列表
        $.get('{:url("articles/getcate")}', function (res) {
            if (res.code == 0) {
                var html = '<option value="">请选择分类</option>';
                res.data.forEach(function (item) {
                    // 如果cid为0，则设置为禁用
                    var disabled = item.cid == 0 ? 'disabled' : '';
                    var selected = item.id == '{$info.cate}' ? 'selected' : '';
                    html += '<option value="' + item.id + '" ' + disabled + ' ' + selected + '>' + item.name + '</option>';
                    // 如果有子分类，添加子分类选项
                    if (item.children && item.children.length > 0) {
                        item.children.forEach(function (child) {
                            var childSelected = child.id == '{$info.cate}' ? 'selected' : '';
                            html += '<option value="' + child.id + '" ' + childSelected + '>├─ ' + child.name + '</option>';
                        });
                    }
                });
                $('select[name="cate"]').html(html);
                form.render('select');
            } else {
                layer.msg(res.msg, { icon: 2 });
            }
        });

        // 表单提交
        form.on('submit(formSubmit)', function (data) {
            // 获取编辑器内容
            var content = editor.getHtml();
            if (!content || content === '<p><br></p>') {
                layer.msg('请输入文章内容', { icon: 2 });
                return false;
            }

            var loadIndex = layer.load(2);
            data.field.content = content;

            $.ajax({
                url: '{:url("articles/edit")}?id={$info.id}',
                type: 'POST',
                data: data.field,
                success: function (res) {
                    layer.close(loadIndex);
                    if (res.code == 0) {
                        layer.msg(res.msg, { icon: 1 });
                        setTimeout(function () {
                            window.location.href = '{:url("articles/articlelist")}';
                        }, 1000);
                    } else {
                        layer.msg(res.msg, { icon: 2 });
                    }
                }
            });
            return false;
        });

        // 返回上一页
        function goBack() {
            var index = parent.layer.getFrameIndex(window.name);
            parent.layer.close(index);
        }
    });

</script>

<!-- wangeditor编辑器脚本 -->
<script>
    const { createEditor, createToolbar } = window.wangEditor

    const editorConfig = {
        MENU_CONF: {},
        placeholder: '请输入内容...',
        onChange(editor) {
            const html = editor.getHtml()
        },
    }

    // 配置图片上传
    editorConfig.MENU_CONF['uploadImage'] = {
        server: '{:url("index/upload_img")}',
        fieldName: 'file',
        maxFileSize: 10 * 1024 * 1024, // 10M
        maxNumberOfFiles: 10,
        allowedFileTypes: ['image/*'],
        meta: {
            token: 'xxx'
        },
        metaWithUrl: true,
        headers: {
            Accept: 'text/x-json'
        },
        timeout: 5 * 1000, // 5s

        onBeforeUpload(file) {
            console.log('准备上传图片', file)
            return file
        },
        onProgress(progress) {
            console.log('上传进度', progress)
        },
        onSuccess(file, res) {
            console.log('上传成功', file, res)
        },
        onFailed(file, res) {
            layer.msg('上传失败：' + res.msg, { icon: 2 })
            console.log('上传失败', file, res)
        },
        onError(file, err, res) {
            layer.msg('上传出错：' + err.message, { icon: 2 })
            console.error('上传出错', file, err, res)
        },
        customInsert(res, insertFn) {
            // res 即服务端的返回结果
            if (res.code === 0 && res.data) {
                // 从res.data中获取src字段
                const url = String(res.data.src || '');
                if (url) {
                    insertFn(url);
                } else {
                    layer.msg('图片地址无效', { icon: 2 });
                }
            } else {
                layer.msg('图片上传失败', { icon: 2 });
            }
        }
    }

    const editor = createEditor({
        selector: '#editor-container',
        html: `{$info.content|raw|default=''}`,
        config: editorConfig,
        mode: 'default', // or 'simple'
    })

    const toolbarConfig = {}

    const toolbar = createToolbar({
        editor,
        selector: '#toolbar-container',
        config: toolbarConfig,
        mode: 'default', // or 'simple'
    })
</script>

<script>
    //返回文章列表
    function goBack() {
        window.location.href = '{:url("articles/articlelist")}';
    }
</script>