模組:沙盒/Kcx36/sandbox2

local p = {}

-- Function to clean up arguments (remove leading/trailing spaces)
function cleanupArgs(argsTable)
    local cleanArgs = {}
    for key, val in pairs(argsTable) do
        if type(val) == 'string' then
            val = val:match('^%s*(.-)%s*$')
            if val ~= '' then
                cleanArgs[key] = val
            end
        else
            cleanArgs[key] = val
        end
    end
    return cleanArgs
end

-- Function to randomize the order of gallery items
function randomize(items)
    math.randomseed(os.time())
    local index = math.random(1, #items)
    return items[index]
end

-- Function to generate the output for a random image and caption
function makeRandomImageOutput(args)
    -- Create a table of image and caption pairs
    local imageTable = {}
    local i = 1
    while args[i] do
        table.insert(imageTable, {image = args[i], caption = args[i + 1]})
        i = i + 2
    end

    -- Randomly select one image
    local selectedImage = randomize(imageTable)

    -- Return the formatted image with caption
    return string.format('[[File:%s|thumb|%s]]', selectedImage.image, selectedImage.caption)
end

-- Main function to process the input and return the random image output
function p.main(frame)
    local parent = frame:getParent()
    local args = cleanupArgs(parent.args)

    -- Generate the random image output
    return makeRandomImageOutput(args)
end

return p