package mounts

import (
	v1 "k8s.io/api/core/v1"

	"github.com/rancher/k3k/pkg/apis/k3k.io/v1beta1"
)

func BuildSecretsMountsVolumes(secretMounts []v1beta1.SecretMount, role string) ([]v1.Volume, []v1.VolumeMount) {
	var (
		vols      []v1.Volume
		volMounts []v1.VolumeMount
	)

	for _, secretMount := range secretMounts {
		if secretMount.SecretName == "" || secretMount.MountPath == "" {
			continue
		}

		if secretMount.Role == role || secretMount.Role == "" || secretMount.Role == "all" {
			vol, volMount := buildSecretMountVolume(secretMount)

			vols = append(vols, vol)
			volMounts = append(volMounts, volMount)
		}
	}

	return vols, volMounts
}

func buildSecretMountVolume(secretMount v1beta1.SecretMount) (v1.Volume, v1.VolumeMount) {
	projectedVolSources := []v1.VolumeProjection{
		{
			Secret: &v1.SecretProjection{
				LocalObjectReference: v1.LocalObjectReference{
					Name: secretMount.SecretName,
				},
				Items:    secretMount.Items,
				Optional: secretMount.Optional,
			},
		},
	}

	vol := v1.Volume{
		Name: secretMount.SecretName,
		VolumeSource: v1.VolumeSource{
			Projected: &v1.ProjectedVolumeSource{
				Sources: projectedVolSources,
			},
		},
	}

	volMount := v1.VolumeMount{
		Name:      secretMount.SecretName,
		MountPath: secretMount.MountPath,
		SubPath:   secretMount.SubPath,
	}

	return vol, volMount
}