package main

import (
	"fmt"
	"net/http"
	"text/template"
)

func StartPay(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		w.WriteHeader(http.StatusMethodNotAllowed)
		fmt.Fprintf(w, "invalid method")
		return
	}
	r.ParseForm()

	row, err := db.addRequest(r)
	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		w.Write([]byte("Cannot initiate database transaction"))
		return
	}

	if !isLeanworkFormValid(r.Form) {
		w.WriteHeader(http.StatusMethodNotAllowed)
		fmt.Fprintf(w, "invalid request")
		return
	}

	//debugStartLeanworkCallBack(row)
	askForPaymentSelection(w, row)
	return

	// m := RpnOut{}
	// resp, err := m.SendReq(r.Form)
	// if err != nil {
	// 	fmt.Fprintf(w, "invalid response from RPN")
	// }

	// w.Header().Set("Content-Type", resp.Header.Get("Content-Type"))
	// w.Header().Set("Content-Length", resp.Header.Get("Content-Length"))
	// io.Copy(w, resp.Body)

	//fmt.Fprintf(w, "my md5=%s", sign)

}

func askForPaymentSelection(w http.ResponseWriter, row LeanworkIn) {
	t := template.Must(template.ParseFiles("PG/StartPay.html"))
	//tmpl.ExecuteTemplate(w, "StartPay", row)
	t.Execute(w, row)
}

func askForPaymentInfo(w http.ResponseWriter, row LeanworkIn, rpn_type string) {
	var data struct {
		Id      int64
		Sign    string
		RpnType string
	}
	data.Id = row.Id
	data.Sign = row.Sign
	data.RpnType = rpn_type
	//tmpl.ExecuteTemplate(w, "rpnAskNameAndCard", data)
	t := template.Must(template.ParseFiles("PG/rpnAskNameAndCard.html"))
	t.Execute(w, data)
}

func choosePayment(w http.ResponseWriter, r *http.Request) {
	//get inform from form .
	r.ParseForm()
	id := r.FormValue("id")
	sign := r.FormValue("sign")
	rpn_type := r.FormValue("rpnType")

	if id == "" || sign == "" {
		w.WriteHeader(http.StatusMethodNotAllowed)
		fmt.Fprintf(w, "invalid parameters")
		return
	}

	row, err := getRequestRowByIdAndSign(id, sign)

	if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		fmt.Fprintf(w, "invalid signature")
		return
	}
	//show redirect, and start payment
	askForPaymentInfo(w, row, rpn_type)
}