package host

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

	"goji.io/pat"
	"golang.org/x/net/context"

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

func getDomain(ctx context.Context, w http.ResponseWriter) (domain Domain, returnerr *libapi.ErrorResult) {
	login := ctx.Value("login").(*system.Login)
	profil := ctx.Value("profil").(*Profil)
	id, err := strconv.ParseInt(pat.Param(ctx, "domainid"), 10, 64)
	if err != nil {
		returnerr = &libapi.ErrorResult{
			Message: "Internal Request Error",
		}
		w.WriteHeader(http.StatusBadRequest)
		return
	}
	if login.Superadmin {
		dbconnection.Where("id = ?", id).Find(&domain)
	} else {
		dbconnection.Where(map[string]int64{"id": id, "profil": profil.ID}).Find(&domain)
	}

	if domain.ID <= 0 {
		returnerr = &libapi.ErrorResult{Fields: []string{"domain"}, Message: "not found"}
		w.WriteHeader(http.StatusNotFound)
	}
	return
}

func domainList(ctx context.Context, w http.ResponseWriter, r *http.Request) (returndata interface{}, returnerr *libapi.ErrorResult) {
	login := ctx.Value("login").(*system.Login)
	profil := ctx.Value("profil").(*Profil)
	returndata = false
	logger := log.GetLog(r, "domainlist")
	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")
	returndata = domain
	return
}

func domainShow(ctx context.Context, w http.ResponseWriter, r *http.Request) (returndata interface{}, returnerr *libapi.ErrorResult) {
	returndata = false
	logger := log.GetLog(r, "domainlist")
	domain, returnerr := getDomain(ctx, w)
	if returnerr != nil {
		logger.Info("not found")
		return
	}
	logger.Info("done")
	returndata = domain
	return
}

func domainAdd(ctx context.Context, w http.ResponseWriter, r *http.Request) (returndata interface{}, returnerr *libapi.ErrorResult) {
	profil := ctx.Value("profil").(*Profil)
	returndata = false
	logger := log.GetLog(r, "domainadd")

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

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

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

func domainEdit(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, "domainedit")

	domain, returnerr := getDomain(ctx, w)
	if returnerr != nil {
		logger.Info("not found")
		return
	}

	var domainRequest Domain
	returnerr = libapi.JSONDecoder(r.Body, &domainRequest, w, logger)
	if returnerr != nil {
		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)
		returnerr = &libapi.ErrorResult{Message: "Internal Database Error with Database"}
		return
	}
	returndata = true
	logger.Info("done")
	return
}

func domainDelete(ctx context.Context, w http.ResponseWriter, r *http.Request) (returndata interface{}, returnerr *libapi.ErrorResult) {
	returndata = false
	logger := log.GetLog(r, "domaindelete")

	domainRequest, returnerr := getDomain(ctx, w)
	if returnerr != nil {
		logger.Info("not found")
		return
	}

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