Module:Bilibili

local p = {}

function p.getTitle(frame)
    local bvid = frame.args[1]
    if not bvid or bvid == '' then
        return "无效BV号"
    end
    
    -- 调用B站API获取视频信息
    local url = "https://api.bilibili.com/x/web-interface/view?bvid=" .. bvid
    local response = mw.ext.externalData.getWebData{
        url = url,
        format = "json"
    }
    
    if not response then
        return "获取信息失败"
    end
    
    if response.code == 0 and response.title then
        return response.title  -- 返回视频标题
    else
        return "视频不存在或获取失败"
    end
end

function p.getPic(frame)
	local bvid = frame.args[1]
	if not bvid or bvid == '' then
		return "无效BV号"
	end
	
	local url = "https://api.bilibili.com/x/web-interface/view?bvid=" .. bvid
	
	local response = mw.ext.externalData.getWebData{
        url = url,
        format = "json"
    }
    
    if not response then
        return "获取信息失败"
    end
    
    if response.code == 0 and response.pic then
        return response.pic
    else
        return "视频不存在或获取失败"
    end
end

function p.getOwner(frame)
    local bvid = frame.args[1]
    if not bvid or bvid == "" then
        return "无效BV号"
    end

    local url = "https://api.bilibili.com/x/web-interface/view?bvid=" .. bvid

    local resp = mw.ext.externalData.getWebData{
        url = url,
        format = "json"
    }

	mw.logObject(resp, "bilibili_resp")

    if type(resp) ~= "table" then
        return "获取信息失败：非JSON或解析失败"
    end

    if resp.code ~= 0 then
        local msg = (type(resp.message) == "string" and resp.message ~= "") and resp.message or "未知错误"
        return "接口返回错误：code=" .. tostring(resp.code) .. " msg=" .. msg
    end

    local data = resp.data
    if type(data) ~= "table" then
        return "获取信息失败：响应缺少data字段"
    end

    local owner = data.owner
    if type(owner) ~= "table" then
        return "获取信息失败：响应缺少owner字段"
    end

    local name = owner.name
    if type(name) ~= "string" or name == "" then
        return "获取信息失败：响应缺少owner.name"
    end

    return name
end


function p.getView(frame)
	local bvid = frame.args[1]
	if not bvid or bvid == '' then
		return "无效BV号"
	end
	
	local url = "https://api.bilibili.com/x/web-interface/view?bvid=" .. bvid
	
	local response = mw.ext.externalData.getWebData{
        url = url,
        format = "json"
    }
    
    if not response then
        return "获取信息失败"
    end
    
    if response.code == 0 and response.data.stat.view then
        return response.data.stat.view
    else
        return "视频不存在或获取失败"
    end
end

return p