#!/usr/bin/env bash
# infra/devcontainer/dev.sh — build & enter the pinned dev toolbox.
#
# Mounts the host libvirt socket and the repo so OpenTofu (dmacvicar/libvirt) and Ansible
# drive the local KVM cluster from inside the container. Rootless podman by default
# (ENGINE=docker to switch). SELinux label is disabled for the run so the container can
# use the host libvirt socket without relabeling it.
#
#   ./dev.sh build           # build the image only
#   ./dev.sh                 # build (if needed) + open a shell
#   ./dev.sh run tofu -version   # run one command in the toolbox
set -euo pipefail
HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "${HERE}/../.." && pwd)"
IMAGE="${IMAGE:-home-k3s-dev:local}"
ENGINE="${ENGINE:-podman}"
# shellcheck disable=SC1091
source "${HERE}/versions.env"

build() {
  "$ENGINE" build \
    --build-arg FEDORA_VERSION="$FEDORA_VERSION" \
    --build-arg OPENTOFU_VERSION="$OPENTOFU_VERSION" \
    --build-arg AGE_VERSION="$AGE_VERSION" \
    --build-arg SOPS_VERSION="$SOPS_VERSION" \
    --build-arg FLUX_VERSION="$FLUX_VERSION" \
    --build-arg KUBECTL_VERSION="$KUBECTL_VERSION" \
    --build-arg HELM_VERSION="$HELM_VERSION" \
    -t "$IMAGE" -f "${HERE}/Containerfile" "${HERE}"
}

run() {
  # Persist the SOPS age keyring on the HOST so the age PRIVATE key generated by
  # bootstrap/sops/age-keygen.sh survives this --rm container (otherwise it lives only
  # in the ephemeral container fs and is lost on exit — you'd be locked out of every
  # SOPS-encrypted secret). SOPS_AGE_KEY_FILE defaults to ~/.config/sops/age/keys.txt,
  # which is this mount. Create it first so the bind source exists.
  mkdir -p "${HOME}/.config/sops/age"
  "$ENGINE" run --rm -it \
    --network host \
    --security-opt label=disable \
    -v /run/libvirt:/run/libvirt \
    -v "${REPO_ROOT}:/work" -w /work \
    -v "${HOME}/.ssh:/root/.ssh:ro" \
    -v "${HOME}/.config/sops:/root/.config/sops" \
    -v "${HOME}/.config/home-k3s/ansible-vault-pass:/root/.config/home-k3s/ansible-vault-pass:ro" \
    -e LIBVIRT_DEFAULT_URI=qemu:///system \
    -e KUBECONFIG="${DEV_KUBECONFIG:-/work/infra/ansible/.cache/dev.kubeconfig}" \
    "$IMAGE" "$@"
}

case "${1:-shell}" in
  build) build ;;
  run)   shift; run "$@" ;;
  shell) build; shift 2>/dev/null || true; run ;;
  *)     build; run "$@" ;;
esac