package host

import (
	"net/http"
	"strconv"
	"strings"

	"goji.io/pat"

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

func getDomain(w http.ResponseWriter, r *http.Request) (domain Domain, returnerr *libapi.ErrorResult) {
	ctx := r.Context()
	login := ctx.Value("login").(*system.Login)
	profil := ctx.Value("profil").(*Profil)
	id, err := strconv.ParseInt(pat.Param(r, "domainid"), 10, 64)
	if err != nil {
		returnerr = &libapi.ErrorResult{
			Message: "Internal Request Error",
		}
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	domain = Domain{ID: id}
	db := dbconnection.First(&domain)

	if db.Error != nil || db.RecordNotFound() {
		returnerr = &libapi.ErrorResult{Fields: []string{"domain"}, Message: "domain not found"}
		w.WriteHeader(http.StatusNotFound)
	}

	if !login.Superadmin {
		if profil.ID != domain.ProfilID {
			returnerr = &libapi.ErrorResult{Fields: []string{"profil"}, Message: "not allowed to get domain"}
			w.WriteHeader(http.StatusForbidden)
		}
	}
	return
}

func domainList(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	login := ctx.Value("login").(*system.Login)
	profil := ctx.Value("profil").(*Profil)
	logger := log.GetLog(r, "domainlist")
	logger = logger.WithField("pID", profil.ID)
	var domain []*Domain
	if login.Superadmin && r.URL.Query().Get("filter") == "all" {
		dbconnection.Preload("Profil").Preload("Profil.Login").Find(&domain)
	} else {
		dbconnection.Where("profil = ?", profil.ID).Find(&domain)
	}
	logger.Info("done")
	libapi.JSONWrite(w, r, domain, nil)
}

func domainShow(w http.ResponseWriter, r *http.Request) {
	logger := log.GetLog(r, "domainshow")
	logger = setProfilLog(r, logger)
	domain, returnerr := getDomain(w, r)
	logger = logger.WithField("dID", domain.ID)
	if returnerr != nil {
		logger.Info(returnerr.Message)
		libapi.JSONWrite(w, r, false, returnerr)
		return
	}
	logger.Info("done")
	libapi.JSONWrite(w, r, domain, nil)
}

func domainAdd(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	profil := ctx.Value("profil").(*Profil)
	logger := log.GetLog(r, "domainadd")
	logger = setProfilLog(r, logger)

	var domainRequest Domain
	returnerr := libapi.JSONDecoder(w, r, logger, &domainRequest)
	if returnerr != nil {
		libapi.JSONWrite(w, r, false, returnerr)
		return
	}

	domain := &Domain{
		ProfilID: profil.ID,
		FQDN:     domainRequest.FQDN,
		Mail:     domainRequest.Mail,
		Web:      domainRequest.Web,
	}

	if err := dbconnection.Create(domain).Error; err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		if strings.Contains(err.Error(), "licate key") {
			logger.Warning("exists already")
			libapi.JSONWrite(w, r, false, &libapi.ErrorResult{Message: "already signup"})
			return
		}
		logger.Error("database: during create host domain: ", err)
		libapi.JSONWrite(w, r, false, &libapi.ErrorResult{Message: "Internal Database Error with Database"})
		return
	}
	logger.Info("done")
	libapi.JSONWrite(w, r, true, nil)
}

func domainEdit(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	login := ctx.Value("login").(*system.Login)
	logger := log.GetLog(r, "domainedit")
	logger = setProfilLog(r, logger)

	domain, returnerr := getDomain(w, r)
	logger = logger.WithField("dID", domain.ID)
	if returnerr != nil {
		logger.Info(returnerr.Message)
		libapi.JSONWrite(w, r, false, returnerr)
		return
	}

	var domainRequest Domain
	returnerr = libapi.JSONDecoder(w, r, logger, &domainRequest)
	if returnerr != nil {
		libapi.JSONWrite(w, r, false, returnerr)
		return
	}

	domain.FQDN = domainRequest.FQDN
	domain.Mail = domainRequest.Mail
	domain.Web = domainRequest.Web

	if login.Superadmin {
		domain.Active = domainRequest.Active
	}

	if err := dbconnection.Save(domain).Error; err != nil {
		logger.Error("database: during modify host domain: ", err)
		w.WriteHeader(http.StatusInternalServerError)
		libapi.JSONWrite(w, r, false, &libapi.ErrorResult{Message: "Internal Database Error with Database"})
		return
	}
	logger.Info("done")
	libapi.JSONWrite(w, r, true, nil)
}

func domainDelete(w http.ResponseWriter, r *http.Request) {
	logger := log.GetLog(r, "domaindelete")
	logger = setProfilLog(r, logger)

	domain, returnerr := getDomain(w, r)
	logger = logger.WithField("dID", domain.ID)
	if returnerr != nil {
		logger.Info(returnerr.Message)
		libapi.JSONWrite(w, r, false, returnerr)
		return
	}

	if err := dbconnection.Unscoped().Delete(domain).Error; err != nil {
		logger.Error("database: during create host domain: ", err)
		w.WriteHeader(http.StatusInternalServerError)
		libapi.JSONWrite(w, r, false, &libapi.ErrorResult{Message: "Internal Database Error with Database"})
		return
	}
	logger.Info("done")
	libapi.JSONWrite(w, r, true, nil)
}