Module:PageSummary

此模块的文档可以在Module:PageSummary/doc创建

local p = {}

function p.getSummaryAndImage(frame)
    local pageName = frame.args[1] or ""
    local title = mw.title.new(pageName)
    
    if not title or not title.exists then return "页面不存在" end
    local content = title:getContent()

    -- 1. 提取第一张图（用于单独在右侧显示）
    local firstImage = string.match(content, "%[%[([Ff]ile:.-)[|%]]") or 
                       string.match(content, "%[%[([Ii]mage:.-)[|%]]") or
                       string.match(content, "%[%[(文件:.-)[|%]]") or
                       string.match(content, "%[%[(图像:.-)[|%]]")

    -- 2. 彻底清理正文（去除所有图片、模板、引用）
    local cleanText = content
    
    -- 核心：彻底去除摘要文本中所有的图片标记
    -- 使用更严谨的匹配：从 [[File: 开始，匹配到第一个不被嵌套的 ]]
    cleanText = string.gsub(cleanText, "%[%[[Ff]ile:.-%]%]", "")
    cleanText = string.gsub(cleanText, "%[%[[Ii]mage:.-%]%]", "")
    cleanText = string.gsub(cleanText, "%[%[文件:.-%]%]", "")
    cleanText = string.gsub(cleanText, "%[%[图像:.-%]%]", "")
    
    -- 移除其余干扰项
    cleanText = string.gsub(cleanText, "<ref.-</ref>", "")
    cleanText = string.gsub(cleanText, "<ref.->", "")
    cleanText = string.gsub(cleanText, "<!%-%-.-%-%->", "")
    
    local limit = 10
    while string.find(cleanText, "{{.-}}") and limit > 0 do
        cleanText = string.gsub(cleanText, "{{[^{}]+}}", "")
        limit = limit - 1
    end
    
    cleanText = mw.text.trim(cleanText)
    cleanText = string.gsub(cleanText, "\n", " ")

    -- 3. 延展截断逻辑
    local targetLen = 100
    local summary = ""
    if mw.ustring.len(cleanText) <= targetLen then
        summary = cleanText
    else
        summary = mw.ustring.sub(cleanText, 1, targetLen)
        local restText = mw.ustring.sub(cleanText, targetLen + 1)
        
        local lastOpen = 0
        local lastClose = 0
        local tempPos = 0
        while true do
            local found = string.find(summary, "%[%[", tempPos + 1)
            if not found then break end
            lastOpen = found
            tempPos = found
        end
        tempPos = 0
        while true do
            local found = string.find(summary, "%]%]", tempPos + 1)
            if not found then break end
            lastClose = found
            tempPos = found
        end

        if lastOpen > lastClose then
            local endOfLink = string.find(restText, "%]%]")
            if endOfLink then
                summary = summary .. string.sub(restText, 1, endOfLink + 1)
            end
        end
        summary = summary .. "..."
    end

    -- 4. 无背景、维基样式的渲染
    local container = mw.html.create('div')
        :css({
            ['margin'] = '15px 0',
            ['padding'] = '0',
            ['background'] = 'transparent', -- 去除背景
            ['display'] = 'flow-root'       -- 确保包裹右侧浮动图片
        })

    -- 使用维基标准 thumb 样式，会自动处理边框和间距
    if firstImage then
        container:wikitext('[[' .. firstImage .. '|thumb|150px|right|link=' .. pageName .. ']]')
    end

    -- 标题：维基百科标准 h2 风格
    container:tag('div')
        :css({
            ['font-size'] = '1.5em',
            ['font-family'] = '"Linux Libertine", "Georgia", "Times", serif',
            ['font-weight'] = 'normal',
            ['margin-bottom'] = '0.25em',
            ['border-bottom'] = '1px solid #a2a9b1', -- 维基标准下划线
            ['padding-bottom'] = '0'
        })
        :wikitext('[[' .. pageName .. ']]')

    -- 摘要
    container:tag('div')
        :css({ 
            ['line-height'] = '1.6',
            ['color'] = '#202122'
        })
        :wikitext(summary)

    return tostring(container)
end

return p