package models_train

import (
	"net/http"
	"os"
	"path"

	. "git.andr3h3nriqu3s.com/andr3/fyp/logic/models/utils"
	. "git.andr3h3nriqu3s.com/andr3/fyp/logic/utils"
)

func handleRest(handle *Handle) {
	handle.Delete("/models/train/reset", func(w http.ResponseWriter, r *http.Request, c *Context) *Error {
		if !CheckAuthLevel(1, w, r, c) {
			return nil
		}
		if c.Mode == JSON {
            var dat struct {
                Id string `json:"id"`
            }
            
            if err := c.ToJSON(r, &dat); err != nil {
                return err;
            }

			model, err := GetBaseModel(c.Db, dat.Id)
			if err == ModelNotFoundError {
                return c.JsonBadRequest("Model not found");
			} else if err != nil {
				// TODO improve response
				return c.Error500(err)
			}

			if model.Status != FAILED_PREPARING_TRAINING && model.Status != FAILED_TRAINING {
                return c.JsonBadRequest("Model is not in status that be reset")
			}

			os.RemoveAll(path.Join("savedData", model.Id, "defs"))

			_, err = c.Db.Exec("delete from model_definition where model_id=$1", model.Id)
			if err != nil {
				// TODO improve response
				return c.Error500(err)
			}

			ModelUpdateStatus(c, model.Id, CONFIRM_PRE_TRAINING)
            return c.SendJSON(model.Id)
		}

		f, err := MyParseForm(r)
		if err != nil {
			// TODO improve response
			return c.ErrorCode(nil, 400, c.AddMap(nil))
		}

		if !CheckId(f, "id") {
			// TODO improve response
			return c.ErrorCode(nil, 400, c.AddMap(nil))
		}

		id := f.Get("id")

		model, err := GetBaseModel(handle.Db, id)
		if err == ModelNotFoundError {
			return c.ErrorCode(nil, http.StatusNotFound, AnyMap{
				"NotFoundMessage": "Model not found",
				"GoBackLink":      "/models",
			})
		} else if err != nil {
			// TODO improve response
			return c.Error500(err)
		}

		if model.Status != FAILED_PREPARING_TRAINING && model.Status != FAILED_TRAINING {
			// TODO improve response
			return c.ErrorCode(nil, 400, c.AddMap(nil))
		}

		os.RemoveAll(path.Join("savedData", model.Id, "defs"))

		_, err = handle.Db.Exec("delete from model_definition where model_id=$1", model.Id)
		if err != nil {
			// TODO improve response
			return c.Error500(err)
		}

		ModelUpdateStatus(c, model.Id, CONFIRM_PRE_TRAINING)
		Redirect("/models/edit?id="+model.Id, c.Mode, w, r)
		return nil
	})
}