package services

import (
	"net/http"
	"netina/commands"
	"netina/database"
	"netina/models"
	cm "netina/models/commands"
	"netina/queries"
	owner_repository "netina/repositories/owner"
	"netina/validation"
	"strconv"

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

type OwnerService struct {
	CommandRepo owner_repository.OwnerCommandRepository
	QueryRepo   owner_repository.OwnerQueryRepository
}

func (s *OwnerService) CreateOwner(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
	}

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

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

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

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

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

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

func (s *OwnerService) UpdateOwner(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 owner ID"})
	}

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

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

	return c.NoContent(http.StatusNoContent)
}

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

	handler := commands.RemoveOwnerHandler{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)
}



func FindOwner(id uint) (*models.Owner  , error) {
	db := database.Db()

	var owner models.Owner

	if err := db.Where("is_removed = ?" , false).Where("owner_id = ?" , id).First(&owner).Error; err != nil {
		return nil , err
	}

	return &owner , nil
}