Trans.nvim/lua/Trans/backend/youdao.lua

local GET = require("Trans.util.curl").GET

return function(word)
    local isEn = word:isEn()
    local result = {}

    local uri = ('https://v.api.aa1.cn/api/api-fanyi-yd/index.php?msg=%s&type=%d'):format(word, isEn and 2 or 1)
    GET(uri, {
        callback = function(str)
            local ok, res = pcall(vim.json.decode, str)
            if not ok or not res or not res.text or isEn and res.text:isEn() then
                result[1] = false
                return
            end

            result[1] = {
                title = { word = word },
                [isEn and 'translation' or 'definition'] = res.text,
            }

            if result.callback then
                result.callback(result[1])
            end
        end
    })

    return result
end

-- local youdao    = require("Trans").conf.engine.youdao
-- local uri       = 'https://openapi.youdao.com/api'
-- local salt      = tostring(math.random(bit.lshift(1, 15)))
-- local appid     = youdao.appid
-- local appPasswd = youdao.appPasswd

-- local post = require('Trans.util.curl').POST

-- local function get_field(word)
--     -- local to = isEn and 'zh-'
--     local len     = #word
--     local curtime = tostring(os.time())
--     local input   = len > 20 and
--         word:sub(1, 10) .. len .. word:sub(-10) or word

--     -- sign=sha256(应用ID+input+salt+curtime+应用密钥)；
--     local hash = appid .. input .. salt .. curtime .. appPasswd
--     local sign = vim.fn.sha256(hash)

--     return {
--         q        = word,
--         from     = 'auto',
--         to       = 'zh-CHS',
--         signType = 'v3',
--         appKey   = appid,
--         salt     = salt,
--         curtime  = curtime,
--         sign     = sign,
--     }
-- end

-- return function(word)
--     -- return result
--     -- local field  = get_field(word)
--     -- local output = post(uri, {
--     --     body = field,
--     -- })

--     -- if output.exit == 0 and output.status == 200 then
--     --     local result = vim.fn.json_decode(output.body)
--     --     if result and result.errorCode == 0 then
--     --         --- TODO :
--     --     end
--     -- end
-- end