package services

import (
	"net/http"
	"netina/commands"
	cm "netina/models/commands"
	"netina/queries"
	Role_repository "netina/repositories/role"
	"netina/validation"
	"strconv"

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

type RoleService struct {
	CommandRepo Role_repository.RoleCommandRepository
	QueryRepo   Role_repository.RoleQueryRepository
}

func (s *RoleService) CreateRole(c echo.Context) error {
	role := new(cm.CreateRoleCommand)
	if err := c.Bind(role); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid request payload"})
	}
	if err := validation.ValidateStruct(role); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": err.Error()})
	}

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

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

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

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

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

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

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

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

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

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

	handler := commands.RemoveRoleHandler{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)
}