local M = {}

require("app.app")
require("redis.conn")
local http = require("httpclient")



M.get_token = function(app_id,app_secret,rds)
    local token = rds:get("aliyun_email_token")
    if token then
        return true,token
    end

    local url = "https://alimail-cn.aliyuncs.com/oauth2/v2.0/token"
    local body = "grant_type=client_credentials&client_id="..app_id.."&client_secret="..app_secret
    local result,err = http.post(url,{
    ["Content-Type"] = "application/x-www-form-urlencoded"
    },body)
    if not result then
        return false,err
    end 
    local data = cjson.decode(err)
    if data.error ~= nil and data.error ~= "" then
        return false,data.error_description
    end
    rds:setex("aliyun_email_token",data.expires_in,data.access_token)
    return true,data.access_token
end

M.create_msg = function(from,from_name,to,to_name,title,content,app_id,app_secret,rds)
    local ok,access_token = M.get_token(app_id,app_secret,rds)
    if not ok then
        return false,access_token
    end
    local body = {
        message = {
            subject = title,
            summary = content, 
            priority = "PRY_HIGH",
            isReadReceiptRequested = false,
            from = {
                email = from,
                name = from_name
            },
            toRecipients = {
                {
                    email = to,
                    name = to_name
                }
            },
            body = {
                bodyText = content,
                bodyHtml = content
            }
        }
    }
    local url = "https://alimail-cn.aliyuncs.com/v2/users/"..from.."/messages"
    local result,err = http.post(url,{
        ["Content-Type"] = "application/json",
        ["Authorization"] = "Bearer "..access_token
    },cjson.encode(body))
    if not result then
        return false,err
    end
    local data = cjson.decode(err)
    if data == nil or data.message == nil or data.message.id == nil then
        return false,err
    end
    return true,data.message.id
end
M.send = function(from,from_name,to,to_name,title,content,app_id,app_secret,rds)
    local ok,access_token = M.get_token(app_id,app_secret,rds)
    if not ok then
        return false,access_token
    end
    local ok,msg_id = M.create_msg(from,from_name,to,to_name,title,content,app_id,app_secret,rds)
    if not ok then
        return false,msg_id
    end
    local body = {
        saveToSentItems = true
    }
    local url = "https://alimail-cn.aliyuncs.com/v2/users/"..from.."/messages/"..msg_id.."/send"
    local result,err = http.post(url,{ 
        ["Content-Type"] = "application/json",
        ["Authorization"] = "Bearer "..access_token
    },cjson.encode(body))
    if not result then
        return false,"send error:"..err
    end
    if err == "{}" then
        return true
    end
    return false,"send error:"..err
    --return true
end
M.create_user = function(email_name,password,nickname,jobtitle,app_id,app_secret,rds)
    local ok,access_token = M.get_token(app_id,app_secret,rds)
    if not ok then
        return false,access_token
    end
    local body = {
        email = email_name,
        password = password,
        name = nickname,
        jobTitle = jobtitle,
        departmentIds = {config.email.department_id},
    }
    local url = "https://alimail-cn.aliyuncs.com/v2/users"
    local result,err = http.post(url,{ 
        ["Content-Type"] = "application/json",
        ["Authorization"] = "Bearer "..access_token
    },cjson.encode(body))
    if not result then
        return false,"send error:"..err
    end

    local data = cjson.decode(err)
    if data.email == email_name then
        return true
    end
    return false,"create user error:"..err 
end
M.delete_user = function(email_name,app_id,app_secret,rds)
    local ok,access_token = M.get_token(app_id,app_secret,rds)
    if not ok then
        return false,access_token
    end
    local url = "https://alimail-cn.aliyuncs.com/v2/users/"..email_name
    local result,err = http.delete(url,{ 
        ["Content-Type"] = "application/json",
        ["Authorization"] = "Bearer "..access_token
    })
    if not result then
        return false,"send error:"..err
    end
    return true
end
M.getDepartment = function(id,app_id,app_secret,rds)
    local ok,access_token = M.get_token(app_id,app_secret,rds)
    if not ok then
        return false,access_token
    end


    local url = "https://alimail-cn.aliyuncs.com/v2/departments/"..id
    local result,err = http.get(url,{ 
        ["Content-Type"] = "application/json",
        ["Authorization"] = "Bearer "..access_token
    })

    if not result then
        return false,"send error:"..err
    end
    print("getDepartment")
    print("result",result)
    print("err",type(err)) 
    print("err[data]",err)

    return true
end
M.getDepartmentList = function(app_id,app_secret,rds)
    local ok,access_token = M.get_token(app_id,app_secret,rds)
    if not ok then
        return false,access_token
    end
   
    local url = "https://alimail-cn.aliyuncs.com/v2/departments/$root/chain"
    local result,err = http.get(url,{ 
        ["Content-Type"] = "application/json",
        ["Authorization"] = "Bearer "..access_token
    })
    if not result then
        return false,"send error:"..err
    end
    print("getDepartmentList")
    print("result",result)
    print("err",type(err)) 
    print("err[data]",err)

    return true
end

return M