package host

import (
	"net/http"
	"strconv"

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

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

func getDatabase(ctx context.Context, w http.ResponseWriter) (database Database, returnerr *libapi.ErrorResult) {
	login := ctx.Value("login").(*system.Login)
	profil := ctx.Value("profil").(*Profil)
	id, err := strconv.ParseInt(pat.Param(ctx, "databaseid"), 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(&database)
	} else {
		dbconnection.Where(map[string]int64{"id": id, "profil": profil.ID}).Find(&database)
	}

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

func databaseList(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, "databaselist")
	var database []*Database
	if login.Superadmin && r.URL.Query().Get("filter") == "all" {
		dbconnection.Preload("Profil").Preload("Profil.Login").Find(&database)
	} else {
		dbconnection.Where("profil = ?", profil.ID).Preload("Profil").Find(&database)
	}
	logger.Info("done")
	returndata = database
	return
}

func databaseAdd(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, "databaseadd")

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

	database := &Database{
		ProfilID: profil.ID,
		Password: databaseRequest.Password,
		Comment:  databaseRequest.Comment,
	}

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

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

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

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

	database.Password = databaseRequest.Password
	database.Comment = databaseRequest.Comment

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

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

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

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