package services

import (
	"net/http"
	"netina/commands"
	"netina/models"
	cm "netina/models/commands"
	"netina/queries"
	store_repository "netina/repositories/store"
	"netina/validation"
	"strconv"

	"github.com/labstack/echo/v4"
)

type StoreService struct {
	CommandRepo store_repository.StoreCommandRepository
	QueryRepo   store_repository.StoreQueryRepository
}

func (s *StoreService) CreateStore(c echo.Context) error {
	user := c.Get("user").(*models.JWTClaims)
	if user == nil {
		return echo.ErrUnauthorized
	}

	u , err := FindUser(user.ID)
	if err != nil {
		return err
	}

	store := new(cm.CreateStoreCommand)
	if err := c.Bind(store); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid request payload"})
	}
	if err := validation.ValidateStruct(store); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": err.Error()})
	}

	_ , err = FindOwner(store.Owner_id)
	if err  != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid owner ID"})
	}

	handler := commands.CreateStoreHandler{Repository: s.CommandRepo}
	if err := handler.Handle(*store , u.Name); err != nil {
		return c.JSON(http.StatusInternalServerError, map[string]string{"error": err.Error()})
	}

	return c.JSON(http.StatusCreated, store)
}

func (s *StoreService) GetStore(c echo.Context) error {
	id, err := strconv.Atoi(c.Param("id"))
	if err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid store ID"})
	}

	handler := queries.GetStoreHandler{Repository: s.QueryRepo}
	store, err := handler.Handle(uint(id))
	if err != nil {
		return c.JSON(http.StatusNotFound, map[string]string{"error": err.Error()})
	}

	return c.JSON(http.StatusOK, store)
}

func (s *StoreService) GetStoresList(c echo.Context) error {
	id, err := strconv.Atoi(c.Param("id"))
	if err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid store ID"})
	}
	handler := queries.GetStoreListHandler{Repository: s.QueryRepo}
	stores, err := handler.Handle(uint(id))
	if err != nil {
		return c.JSON(http.StatusInternalServerError, map[string]string{"error": err.Error()})
	}

	return c.JSON(http.StatusOK, stores)
}

func (s *StoreService) UpdateStore(c echo.Context) error {
	user := c.Get("user").(*models.JWTClaims)
	if user == nil {
		return echo.ErrUnauthorized
	}

	u , err := FindUser(user.ID)
	if err != nil {
		return err
	}

	id, err := strconv.Atoi(c.Param("id"))
	if err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid store ID"})
	}

	store := new(cm.UpdateStoreCommand)
	if err := c.Bind(store); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid request payload"})
	}
	if err := validation.ValidateStruct(store); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": err.Error()})
	}

	_ , err = FindOwner(store.Owner_id)
	if err  != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid owner ID"})
	}

	handler := commands.UpdateStoreHandler{Repository: s.CommandRepo}
	updatedStore, err := handler.Handle(uint(id), *store , u.Name)
	if err != nil {
		return c.JSON(http.StatusInternalServerError, map[string]string{"error": err.Error()})
	}

	return c.JSON(http.StatusOK, updatedStore)
}

func (s *StoreService) RemoveStore(c echo.Context) error {
	id, err := strconv.Atoi(c.Param("id"))
	if err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid store ID"})
	}

	handler := commands.RemoveStoreHandler{Repository: s.CommandRepo}
	if err := handler.Handle(uint(id)); err != nil {
		return c.JSON(http.StatusInternalServerError, map[string]string{"error": err.Error()})
	}

	return c.NoContent(http.StatusNoContent)
}