package sms

import "encoding/json"

type multixsend struct {
	appid    string
	appkey   string
	signType string
	project  string
	multi    []map[string]interface{}
	tag      string
}

const multixsendURL = Server + "/message/multixsend"

type multi struct {
	to   string
	vars map[string]string
}

func CreateMulti() *multi {
	return &multi{"", make(map[string]string)}
}

func (m *multi) SetTo(to string) *multi {
	m.to = to
	return m
}

func (m *multi) AddVar(key string, val string) *multi {
	m.vars[key] = val
	return m
}

func (m *multi) AddVars(data map[string]string) *multi {
	for k, v := range data {
		m.AddVar(k, v)
	}
	return m
}

func (m *multi) Get() map[string]interface{} {
	item := make(map[string]interface{})
	item["to"] = m.to
	item["vars"] = m.vars
	return item
}

func CreateMultiXsend(config map[string]string) *multixsend {
	return &multixsend{config["appid"], config["appkey"], config["signType"], "", nil, ""}
}

func (m *multixsend) SetProject(project string) *multixsend {
	m.project = project
	return m
}

func (m *multixsend) AddMulti(multi map[string]interface{}) *multixsend {
	m.multi = append(m.multi, multi)
	return m
}

func (m *multixsend) SetTag(tag string) *multixsend {
	m.tag = tag
	return m
}

func (m *multixsend) MultiXsend() string {
	config := make(map[string]string)
	config["appid"] = m.appid
	config["appkey"] = m.appkey
	config["signType"] = m.signType

	req := make(map[string]string)
	req["appid"] = m.appid
	req["project"] = m.project
	if m.signType != "normal" {
		req["sign_type"] = m.signType
		req["timestamp"] = _GetTimestamp()
		req["sign_version"] = "2"
	}
	if m.tag != "" {
		req["tag"] = m.tag
	}
	req["signature"] = _CreateSignature(req, config)
	//v2 数字签名 multi 不参与计算

	data, err := json.Marshal(m.multi)
	if err == nil {
		req["multi"] = string(data)
	}

	return _Post(multixsendURL, req)
}