package host

import (
	"net/http"
	"strings"

	"github.com/jinzhu/gorm"
	"goji.io"
	"goji.io/pat"
	"golang.org/x/net/context"

	libapi "dev.sum7.eu/sum7/warehost/lib/api"
	liblog "dev.sum7.eu/sum7/warehost/lib/log"
	system "dev.sum7.eu/sum7/warehost/system"
)

//MODULNAME to get global name for the modul
const MODULNAME = "host"

var dbconnection *gorm.DB
var log *liblog.ModulLog

// BindAPI sets the routes to the api functions
func BindAPI(db *gorm.DB, router *goji.Mux, prefix string) {
	dbconnection = db
	log = liblog.NewModulLog(MODULNAME)

	router.HandleFuncC(pat.Post(prefix+"/signup"), libapi.SessionHandler(system.LoginHandler(signup)))
	router.HandleFuncC(pat.Get(prefix+"/signup"), libapi.SessionHandler(system.LoginHandler(checkSignup)))
	router.HandleFuncC(pat.Delete(prefix+"/delete"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(delete))))
	router.HandleFuncC(pat.Get(prefix+"/profil"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(profil))))

	router.HandleFuncC(pat.Get(prefix+"/domain"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(domainList))))
	router.HandleFuncC(pat.Post(prefix+"/domain"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(domainAdd))))
	router.HandleFuncC(pat.Patch(prefix+"/domain/:domainid"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(domainEdit))))
	router.HandleFuncC(pat.Delete(prefix+"/domain/:domainid"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(domainDelete))))

	router.HandleFuncC(pat.Get(prefix+"/database"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(databaseList))))
	router.HandleFuncC(pat.Post(prefix+"/database"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(databaseAdd))))
	router.HandleFuncC(pat.Patch(prefix+"/database/:databaseid"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(databaseEdit))))
	router.HandleFuncC(pat.Delete(prefix+"/database/:databaseid"), libapi.SessionHandler(system.LoginHandler(ProfilHandler(databaseDelete))))
}

func checkSignup(ctx context.Context, w http.ResponseWriter, r *http.Request) (returndata interface{}, returnerr *libapi.ErrorResult) {
	login := ctx.Value("login").(*system.Login)
	returndata = false
	logger := log.GetLog(r, "checksignup")
	run := login.Superadmin
	if !run {
		var profil Profil
		dbconnection.Joins("LEFT JOIN invite invite ON invite.login=host_profil.login").Where("invite.invited=?", login.ID).Find(&profil)
		run = profil.Reseller
	}
	returndata = run
	if run {
		logger.Info("done")
		return
	}
	w.WriteHeader(http.StatusUnauthorized)
	logger.Info("not allowed")
	return
}

func signup(ctx context.Context, w http.ResponseWriter, r *http.Request) (returndata interface{}, returnerr *libapi.ErrorResult) {
	login := ctx.Value("login").(*system.Login)
	logger := log.GetLog(r, "signup")
	returndata, returnerr = checkSignup(ctx, w, r)
	if returndata.(bool) {
		profil := &Profil{LoginID: login.ID}
		if err := dbconnection.Create(profil).Error; err != nil {
			if strings.Contains(err.Error(), "duplicate key") {
				returndata = false
				logger.Warning("exists already")
				return
			}
			logger.Error("database: during create host profil: ", err)
			returnerr = &libapi.ErrorResult{Message: "Internal Database Error"}
			w.WriteHeader(http.StatusInternalServerError)
			return
		}
		returndata = true
		logger.Info("done")
		return
	}
	return
}
func delete(ctx context.Context, w http.ResponseWriter, r *http.Request) (returndata interface{}, returnerr *libapi.ErrorResult) {
	profil := ctx.Value("profil").(*Profil)
	returndata = true
	dbconnection.Unscoped().Delete(profil)
	return
}
func profil(ctx context.Context, w http.ResponseWriter, r *http.Request) (returndata interface{}, returnerr *libapi.ErrorResult) {
	profil := ctx.Value("profil").(*Profil)
	returndata = profil
	return
}