local tencent_cos = require("tencent_cos")
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"
    }
}

function M.upload_data(config,remote_dir,data,ext)

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


    local result = nil
    for _, cfg in ipairs(config) do
        result = cos:updata(
            cfg.appid,
            cfg.endpoint,
            cfg.secret_id,
            cfg.secret_key,
            cfg.bucket_name,
            cos_filepath,
            data
        )
        if result ~= "" then
            -- 如果不是第一个失败，那么就循环删除之前已上传的文件
            if _ > 1 then
                for i = 1, _ - 1 do
                    local prev_cfg = config[i]
                    cos:del(
                        prev_cfg.appid,
                        prev_cfg.endpoint,
                        prev_cfg.secret_id,
                        prev_cfg.secret_key,
                        prev_cfg.bucket_name,
                        cos_filepath
                    )
                end
            end
            break
        end
    end

    if result == "" then
        return true,cos_filepath
    end
    return false,result
end
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 cos = tencent_cos.new()


    local result = nil
    
    
    for _, cfg in ipairs(config) do
        result = cos:upfile(
            cfg.appid,
            cfg.endpoint,
            cfg.secret_id,
            cfg.secret_key,
            cfg.bucket_name,
            cos_filepath,
            local_filepath
        )
        if result ~= "" then
            -- 如果不是第一个失败，那么就循环删除之前已上传的文件
            if _ > 1 then
                for i = 1, _ - 1 do
                    local prev_cfg = config[i]
                    -- 删除之前上传的文件
                    cos:del(
                        prev_cfg.appid,
                        prev_cfg.endpoint,
                        prev_cfg.secret_id,
                        prev_cfg.secret_key,
                        prev_cfg.bucket_name,
                        cos_filepath
                    )
                end
            end
            break
        end
    end
    
    if result == "" then
        if auto_remove then
            utils.delete_file(local_filepath)
        end
        return true,cos_filepath
    end
    return false,result
end
return M