local aliyun_oss = require("aliyunoss")
local fw = require("fastweb")
local utils = require("utils")
local M = {}
-- 文件扩展名与目录的映射
M.ext_dirpath = {
    images = {
        "jpg",
        "jpeg",
        "png",
        "gif",
        "bmp",
        "webp",
        "svg",
        "ico",
        "tif",
        "tiff",
    },
    videos = {
        "mp4",
        "avi",
        "mov",
        "wmv",
        "flv"
    },
    audio = {
        "mp3",
        "wav",
        "ogg",
        "aac",
        "m4a",
        "wma"
    },
    documents = {
        "pdf",
        "doc",
        "docx",
        "xls",
        "xlsx",
        "ppt",
        "pptx",
        "txt",
        "json",
        "xml",
        "html",
        "css",
        "js",
    }
}


function M.upload_file(config,remote_dir,local_filepath,auto_remove)

    if not utils.exists_file(local_filepath) then
        return false,"文件不存在,local_filepath: "..local_filepath
    end
    local ext = utils.ext(local_filepath)
    local filename = fw.make_software_guid().."."..ext

    local dirpath = ""
    
    for dir, ext_list in pairs(M.ext_dirpath) do
        for _, ext_type_ext in ipairs(ext_list) do
            if ext_type_ext == ext then
                dirpath = dir
                break
            end
        end
        if dirpath ~= "" then
            break
        end
    end
    if dirpath == "" then
        return false,"不支持的文件格式,ext: "..ext
    end

    if remote_dir == nil or remote_dir == "" then
        remote_dir = ""
    else
        remote_dir = remote_dir.."/"
    end

    local cos_filepath = remote_dir .. dirpath.."/"..filename
    local oss = aliyun_oss.new()


    local result = oss:upfile(
        config.endpoint,
        config.access_key_id,
        config.access_key_secret,
        config.bucket_name,
        cos_filepath,
        local_filepath,
        ""
    )
    if result == "" then
        if auto_remove then
            utils.delete_file(local_filepath)
        end
        return true,cos_filepath
    end
    return false,result
end
function M.upload_data(config,remote_dir,data,ext)

    if #data == 0 then
        return false,"数据为空"
    end
    local filename = fw.make_software_guid().."."..ext

    local dirpath = ""
    
    for dir, ext_list in pairs(M.ext_dirpath) do
        for _, ext_type_ext in ipairs(ext_list) do
            if ext_type_ext == ext then
                dirpath = dir
                break
            end
        end
        if dirpath ~= "" then
            break
        end
    end
    if dirpath == "" then
        return false,"不支持的文件格式,ext: "..ext
    end

    if remote_dir == nil or remote_dir == "" then
        remote_dir = ""
    else
        remote_dir = remote_dir.."/"
    end

    local cos_filepath = remote_dir .. dirpath.."/"..filename
    local oss = aliyun_oss.new()


    local result = oss:updata(
        config.endpoint,
        config.access_key_id,
        config.access_key_secret,
        config.bucket_name,
        cos_filepath,
        data
    )
    if result == "" then
        return true,cos_filepath
    end
    return false,result
end


return M