package main

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

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)
	fname := "PG/rpnAskNameAndCardP2P.html"
	if rpn_type == "rpnfat" {
		fname = "PG/rpnAskNameAndCardFAT.html"
	}
	t := template.Must(template.ParseFiles(fname))
	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)
}

//leanwork in for alipay
func leanworkInFAT(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		log.Println("Invalid Request expect POST for leanworkInFAT")
		logRequestDebug(httputil.DumpRequest(r, true))
		errPage(w, http.StatusMethodNotAllowed, "invalid method")
		return
	}
	r.ParseForm()

	row, err := db.addRequest(r, Config.LeanWork.MD5FAT)
	if err != nil {
		log.Printf("ERROR failed to add leanworkIn %+v \n", r.Form)
		logRequestDebug(httputil.DumpRequest(r, true))
		errPage(w, http.StatusInternalServerError, "Cannot initiate database transaction for incoming request")
		return
	}

	if !isLeanworkFormValid(r.Form, Config.LeanWork.MD5FAT) {
		// w.WriteHeader(http.StatusMethodNotAllowed)
		// fmt.Fprintf(w, "invalid request")
		errPage(w, http.StatusBadRequest, "validation of FAT input parameters failed")
		log.Printf("Invalid Request received, Signature is not correct")
		logRequestDebug(httputil.DumpRequest(r, true))
		return
	}

	//show redirect, and start payment
	askForPaymentInfo(w, row, "rpnfat")

	return
}

func leanworkInP2P(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		log.Println("Invalid P2P Request expect POST for leanworkInP2P")
		logRequestDebug(httputil.DumpRequest(r, true))
		errPage(w, http.StatusMethodNotAllowed, "invalid method")
		return
	}
	r.ParseForm()

	row, err := db.addRequest(r, Config.LeanWork.MD5P2P)
	if err != nil {
		errPage(w, http.StatusInternalServerError, "Cannot initiate database transaction for incoming request")
		log.Printf("ERROR: cannot initiate LeanworkIn for adding database: %+v \n", r.Form)
		return
	}

	if !isLeanworkFormValid(r.Form, Config.LeanWork.MD5P2P) {
		// w.WriteHeader(http.StatusMethodNotAllowed)
		// fmt.Fprintf(w, "invalid request")
		errPage(w, http.StatusBadRequest, "validation of P2P input parameters failed")
		log.Printf("Invalid Request received, Signature is not correct")
		logRequestDebug(httputil.DumpRequest(r, true))
		return
	}

	//show redirect, and start payment
	askForPaymentInfo(w, row, "rpnp2p")

	return
}