package jtexpress

import (
	"crypto/md5"
	"fmt"
	"io"

	"github.com/go-resty/resty/v2"

	"git.selly.red/Selly-Modules/3pl/util/base64"
	"git.selly.red/Selly-Modules/3pl/util/pjson"
)

func New(digestKey, companyID string, isProd, debug bool) *Client {
	host := apiHostDev
	if isProd {
		host = apiHostProd
	}
	c := &Client{
		DigestKey:    digestKey,
		EccompanyID:  companyID,
		IsProduction: isProd,
		Debug:        debug,
		host:         host,
		httpClient:   resty.New().SetDebug(debug),
	}
	return c
}

type Client struct {
	DigestKey    string
	EccompanyID  string
	IsProduction bool
	Debug        bool
	host         string
	httpClient   *resty.Client
}

func (c *Client) EstimateFee(req *EstimateFeeReq) (r Response) {
	path := c.host + apiPathEstimateFee
	data := pjson.ToJSONString(req)
	body := map[string]string{
		"logistics_interface": data,
		"data_digest":         c.getDigest(data),
		"msg_type":            msgTypeEstimateFee,
		"eccompanyid":         c.EccompanyID,
	}
	r.Request.Body = pjson.ToBytes(body)
	r.Request.URL = path
	resp, err := c.httpClient.R().
		SetMultipartFormData(body).
		Post(path)
	if err != nil {
		r.Error = fmt.Errorf("jtepxress: request %s, err %v", path, err)
		return r
	}
	r.Response.StatusCode = resp.StatusCode()
	r.Response.Body = resp.Body()

	return r
}

func (c *Client) CancelOrder(req *CancelOrderReq) (r Response) {
	path := c.host + apiPathCancelOrder
	data := pjson.ToJSONString(req)
	body := map[string]string{
		"logistics_interface": data,
		"data_digest":         c.getDigest(data),
		"msg_type":            msgTypeEstimateFee,
		"eccompanyid":         c.EccompanyID,
	}
	r.Request.Body = pjson.ToBytes(body)
	r.Request.URL = path
	resp, err := c.httpClient.R().
		SetMultipartFormData(body).
		Post(path)
	if err != nil {
		r.Error = fmt.Errorf("jtepxress: request %s, err %v", path, err)
		return r
	}

	r.Response.StatusCode = resp.StatusCode()
	r.Response.Body = resp.Body()

	return r
}

func (c *Client) CreateOrder(req *CreateOrderReq) (r Response) {
	path := c.host + apiPathCreateOrder
	data := pjson.ToJSONString(req)
	body := map[string]string{
		"logistics_interface": data,
		"data_digest":         c.getDigest(data),
		"msg_type":            msgTypeCreateOrder,
		"eccompanyid":         c.EccompanyID,
	}
	r.Request.Body = pjson.ToBytes(body)
	r.Request.URL = path

	resp, err := c.httpClient.R().
		SetMultipartFormData(body).
		Post(path)
	if err != nil {
		r.Error = fmt.Errorf("jtepxress: request %s, err %v", path, err)
		return r
	}

	r.Response.StatusCode = resp.StatusCode()
	r.Response.Body = resp.Body()

	return r
}

func (c *Client) getDigest(data string) string {
	s := data + c.DigestKey
	h := md5.New()

	io.WriteString(h, s)
	return base64.Encode([]byte(fmt.Sprintf("%x", h.Sum(nil))))
}