package services

import (
	"net/http"

	"github.com/gin-gonic/gin"
	"k8s.io/apimachinery/pkg/api/errors"
	"sigs.k8s.io/controller-runtime/pkg/client"

	api "edge-infra.dev/pkg/edge/device-registrar/api/v1alpha1"
	"edge-infra.dev/pkg/edge/device-registrar/config"
)

// swagger:route DELETE /devices/{name} additional DeleteDevice
//
// Deletes a device with the given device name.
//
// responses:
//
//		204: description:Success
//	    400: description:Bad Request
//		500: description:Internal Server Error
func DeleteDeviceService(c *gin.Context) {
	k8sClient, ctx, cancel := config.GetClientandContext(c)
	defer cancel()

	name := c.Param("name")
	if name == "" {
		c.JSON(http.StatusBadRequest, gin.H{"error": "name is required"})
		return
	}

	// Find the device CR by name
	device := &api.ExternalDevice{}
	err := k8sClient.Get(ctx, client.ObjectKey{
		Name:      name,
		Namespace: config.Namespace,
	}, device)
	if err != nil {
		if errors.IsNotFound(err) {
			c.JSON(http.StatusNotFound, gin.H{"error": "device not found"})
			return
		}
		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to retrieve device:" + err.Error()})
		return
	}

	// Delete the device
	if err := deleteDevice(ctx, k8sClient, device); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to delete device:" + err.Error()})
		return
	}

	c.JSON(http.StatusNoContent, nil)
}