-- 指定模块引用目录，否则无法加载同目录下的其他文件
--package.path = package.path .. ';/usr/local/opt/openresty/nginx/scripts/?.lua';
package.path = package.path .. ';<SCRIPT_PATH>/?.lua';

local upyun_upload = {}

local strip_path = require("strip_path")
local Upyun = require('upyun')

function upyun_upload.upload(filepath, filename)
    local upyun, err = Upyun:new({
        user = ngx.var.upyun_operator,
        passwd = ngx.var.upyun_password,
        localFilePath = filepath
    })

    if not upyun then
        ngx.status = 500
        ngx.log(ngx.ERR, "failed to initialize upyun: " .. err)
        return
    end

    local bucket = ngx.var.upyun_bucket
    local directory = ngx.var.upyun_directory
    if not filename then
        filename = strip_path.strip_path(filepath)
    end

    local savePath = bucket .. "/" .. directory .. "/" .. filename

    local info, err = upyun:upload_file(savePath, nil, nil)
    if not info then
        ngx.status = 502
        ngx.log(ngx.ERR, "failed to upload file : " .. err)
        return
    else
        ngx.status = 200
        local fullpath = ngx.var.upyun_cdn .. directory .. "/" .. filename
        ngx.log(ngx.INFO, "UPYUN URL -> ", fullpath)
        ngx.say(fullpath)
    end
end

return upyun_upload