package main

import (
	"biukop.com/sfm/loan"
	"encoding/json"
	log "github.com/sirupsen/logrus"
	"net/http"
	"strconv"
	"time"
)

func decodeJsonPayInEdit(r *http.Request) (ret loan.PayIn, e error) {
	decoder := json.NewDecoder(r.Body)
	//decoder.DisallowUnknownFields()
	e = decoder.Decode(&ret)
	if e != nil {
		log.Error("failed decoding PayIn for updating", e.Error())
		return
	}
	return
}

func apiV1PayInPost(w http.ResponseWriter, r *http.Request, ss *loan.Session) {

	input, e := decodeJsonPayInEdit(r)
	log.Println(input)

	if e != nil {
		apiV1Client404Error(w, r, ss)
		return
	} else {
		lowerBound, _ := time.Parse("2006-01-02", "1900-01-01")
		if input.Settlement.Before(lowerBound) {
			input.Settlement = lowerBound
		}
		if input.Ts.Before(lowerBound) {
			input.Ts = time.Now()
		}
		e = input.Write()
		if e != nil {
			log.Error("cannot save basic loan", e.Error())
			apiV1Client404Error(w, r, ss)
		} else {
			piEx := loan.PayInEx{}
			e = piEx.Read(input.Id)
			if e != nil {
				log.Error("weird failed to read PayInEx after successfully write PayIn", input, piEx, e.Error())
				apiV1Client404Error(w, r, ss)
			} else {
				apiV1SendJson(piEx, w, r, ss)
			}
		}
	}

}

func apiV1PayInDelete(w http.ResponseWriter, r *http.Request, ss *loan.Session) {
	id := r.URL.Path[len(apiV1Prefix+"payIn/"):] //remove prefix
	idx, e := strconv.Atoi(id)

	if e != nil {
		log.Error("cannot identify PayInId ", id, e.Error())
		apiV1Client404Error(w, r, ss)
		return
	}

	e = loan.DeletePayIn(int64(idx))
	if e != nil {
		log.Error("cannot delete PayIn by id ", id, e.Error())
		apiV1Client404Error(w, r, ss)
		return
	}
	apiV1SendJson(idx, w, r, ss)
}