package main

import (
	"biukop.com/sfm/loan"
	"encoding/json"
	"github.com/brianvoe/gofakeit/v6"
	log "github.com/sirupsen/logrus"
	"io/ioutil"
	"net/http"
)

type UserExtra struct {
	Login        string
	BSB          string
	ACC          string
	License      string
	Organization string
	Role         string
}

func decodeJsonUserExtra(r *http.Request) (ret UserExtra, 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
}

// create a new user from people
func apiV1UserPut(w http.ResponseWriter, r *http.Request, ss *loan.Session) {
	id := r.URL.Path[len(apiV1Prefix+"user/"):] //remove prefix

	p := loan.People{}
	e := p.Read(id)
	if e != nil { // no such people
		log.Error("cannot create User without people, id=", id, e.Error())
		apiV1Client403Error(w, r, ss)
		return
	}

	u := loan.User{}
	u.Id = id
	u.Login = id + "@local"
	u.Enabled = false
	u.Token = gofakeit.LetterN(45)
	u.SetPass("")
	e = u.Write()

	if e != nil {
		log.Error("Failed to upgrade user ", id)
		apiV1Server500Error(w, r)
		return
	}

	ue := UserExtra{}
	ue.Login = u.Login
	ue.Role = "user"
	ue.License = ""
	ue.Organization = ""
	ue.BSB = ""
	ue.ACC = ""

	apiV1SendJson(ue, w, r, ss)
}

func apiV1UserDelete(w http.ResponseWriter, r *http.Request, ss *loan.Session) {
	id := r.URL.Path[len(apiV1Prefix+"user/"):] //remove prefix

	if id == "" {
		apiV1Client403Error(w, r, ss)
		return
	}
	e := loan.DeleteUser(id)
	if e != nil {
		log.Error("Failed to delete user ", id)
		apiV1Server500Error(w, r)
		return
	}

	ue := UserExtra{}
	ue.Login = ""
	ue.Role = "people"
	ue.License = ""
	ue.Organization = ""
	ue.BSB = ""
	ue.ACC = ""
	apiV1SendJson(ue, w, r, ss)
}

func apiV1UserPost(w http.ResponseWriter, r *http.Request, ss *loan.Session) {
	id := r.URL.Path[len(apiV1Prefix+"user/"):] //remove prefix

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

	if e != nil {
		apiV1Client404Error(w, r, ss)
		return
	} else {
		u := loan.User{}
		e = u.Read(id)
		if e != nil {
			log.Error("cannot save basic loan", e.Error())
			apiV1SendJson(" [ Error Occurred ] : "+e.Error(), w, r, ss)
			return
		}

		u.Login = input.Login

		e = u.Write()
		if e != nil {
			log.Error("cannot save basic loan", e.Error())
			apiV1SendJson(" [ Error Occurred ] : "+e.Error(), w, r, ss)
		} else {
			apiV1SendJson(input, w, r, ss)
		}
	}
}

func apiV1UserEnable(w http.ResponseWriter, r *http.Request, ss *loan.Session) {
	id := r.URL.Path[len(apiV1Prefix+"user-enable/"):] //remove prefix
	p := loan.People{}

	body, e := ioutil.ReadAll(r.Body)
	if e != nil {
		log.Error("invalid request body for enable/disable people ", id, " err= ", e.Error())
		apiV1Client403Error(w, r, ss)
		return
	}

	e = p.Read(id)
	if e != nil {
		log.Error("failed to read user by id ", id, e.Error())
		apiV1Client403Error(w, r, ss)
		return
	}

	p.Enabled = string(body) == "true"
	if id == "0" {
		p.Enabled = true
	} // can not disable default admin

	e = p.Write()
	if e != nil {
		log.Error("failed to enable user ", id, e.Error())
		apiV1Client403Error(w, r, ss)
		return
	}
	apiV1SendJson(p.Enabled, w, r, ss)
}