export repo_organization := env("GITHUB_REPOSITORY_OWNER", "yourname")
export image_name := env("IMAGE_NAME", "yourimage")
export default_tag := env("DEFAULT_TAG", "latest")
export bib_image := env("BIB_IMAGE", "quay.io/centos-bootc/bootc-image-builder:latest")

export SUDO_DISPLAY := if `if [ -n "${DISPLAY:-}" ] || [ -n "${WAYLAND_DISPLAY:-}" ]; then echo true; fi` == "true" { "true" } else { "false" }
export SUDOIF := if `id -u` == "0" { "" } else { if SUDO_DISPLAY == "true" { "sudo --askpass" } else { "sudo" } }
export PODMAN := if path_exists("/usr/bin/podman") == "true" { env("PODMAN", "/usr/bin/podman") } else { if path_exists("/usr/bin/docker") == "true" { env("PODMAN", "docker") } else { env("PODMAN", "exit 1 ; ") } }

alias build-vm := build-qcow2
alias rebuild-vm := rebuild-qcow2
alias run-vm := run-vm-qcow2

[private]
default:
    @just --list

# Check Just Syntax
[group('Just')]
check:
    #!/usr/bin/bash
    find . -type f -name "*.just" | while read -r file; do
    	echo "Checking syntax: $file"
    	just --unstable --fmt --check -f $file
    done
    echo "Checking syntax: Justfile"
    just --unstable --fmt --check -f Justfile

# Fix Just Syntax
[group('Just')]
fix:
    #!/usr/bin/bash
    find . -type f -name "*.just" | while read -r file; do
    	echo "Checking syntax: $file"
    	just --unstable --fmt -f $file
    done
    echo "Checking syntax: Justfile"
    just --unstable --fmt -f Justfile || { exit 1; }

# Clean Repo
[group('Utility')]
clean:
    #!/usr/bin/bash
    set -eoux pipefail
    touch _build
    find *_build* -exec rm -rf {} \;
    rm -f previous.manifest.json
    rm -f changelog.md
    rm -f output.env

# Sudo Clean Repo
[group('Utility')]
[private]
sudo-clean:
    ${SUDOIF} just clean

build $target_image=image_name $tag=default_tag:
    #!/usr/bin/env bash

    # Get Version
    ver="${tag}-$(date +%Y%m%d)"

    BUILD_ARGS=()
    BUILD_ARGS+=("--build-arg" "IMAGE_NAME=${image_name}")
    BUILD_ARGS+=("--build-arg" "IMAGE_VENDOR=${repo_organization}")
    if [[ -z "$(git status -s)" ]]; then
        BUILD_ARGS+=("--build-arg" "SHA_HEAD_SHORT=$(git rev-parse --short HEAD)")
    fi

    ${PODMAN} build \
        "${BUILD_ARGS[@]}" \
        --pull=newer \
        --tag "${image_name}:${tag}" \
        .

_rootful_load_image $target_image=image_name $tag=default_tag:
    #!/usr/bin/bash
    set -eoux pipefail

    if [[ -n "${SUDO_USER:-}" || "${UID}" -eq "0" ]]; then
        echo "Already root or running under sudo, no need to load image from user ${PODMAN}."
        exit 0
    fi

    set +e
    resolved_tag=$(${PODMAN} inspect -t image "${target_image}:${tag}" | jq -r '.[].RepoTags.[0]')
    return_code=$?
    set -e

    if [[ $return_code -eq 0 ]]; then
        # Load into Rootful ${PODMAN}
        ID=$(${SUDOIF} ${PODMAN} images --filter reference="${target_image}:${tag}" --format "'{{ '{{.ID}}' }}'")
        if [[ -z "$ID" ]]; then
            COPYTMP=$(mktemp -p "${PWD}" -d -t _build_podman_scp.XXXXXXXXXX)
            ${SUDOIF} TMPDIR=${COPYTMP} ${PODMAN} image scp ${UID}@localhost::"${target_image}:${tag}" root@localhost::"${target_image}:${tag}"
            rm -rf "${COPYTMP}"
        fi
    else
        # Make sure the image is present and/or up to date
        ${SUDOIF} ${PODMAN} pull "${target_image}:${tag}"
    fi

_build-bib $target_image $tag $type $config: (_rootful_load_image target_image tag)
    #!/usr/bin/env bash
    set -euo pipefail

    mkdir -p "output"

    echo "Cleaning up previous build"
    if [[ $type == iso ]]; then
      sudo rm -rf "output/bootiso" || true
    else
      sudo rm -rf "output/${type}" || true
    fi

    args="--type ${type}"

    if [[ $target_image == localhost/* ]]; then
      args+=" --local"
    fi

    sudo ${PODMAN} run \
      --rm \
      -it \
      --privileged \
      --pull=newer \
      --net=host \
      --security-opt label=type:unconfined_t \
      -v $(pwd)/${config}:/config.toml:ro \
      -v $(pwd)/output:/output \
      -v /var/lib/containers/storage:/var/lib/containers/storage \
      "${bib_image}" \
      ${args} \
      "${target_image}"

    sudo chown -R $USER:$USER output

_rebuild-bib $target_image $tag $type $config: (build target_image tag) && (_build-bib target_image tag type config)

[group('Build Virtual Machine Image')]
build-qcow2 $target_image=("localhost/" + image_name) $tag=default_tag: && (_build-bib target_image tag "qcow2" "image.toml")

[group('Build Virtual Machine Image')]
build-raw $target_image=("localhost/" + image_name) $tag=default_tag: && (_build-bib target_image tag "raw" "image.toml")

[group('Build Virtual Machine Image')]
build-iso $target_image=("localhost/" + image_name) $tag=default_tag: && (_build-bib target_image tag "iso" "iso.toml")

[group('Build Virtual Machine Image')]
rebuild-qcow2 $target_image=("localhost/" + image_name) $tag=default_tag: && (_rebuild-bib target_image tag "qcow2" "image.toml")

[group('Build Virtual Machine Image')]
rebuild-raw $target_image=("localhost/" + image_name) $tag=default_tag: && (_rebuild-bib target_image tag "raw" "image.toml")

[group('Build Virtual Machine Image')]
rebuild-iso $target_image=("localhost/" + image_name) $tag=default_tag: && (_rebuild-bib target_image tag "iso" "iso.toml")

_run-vm $target_image $tag $type $config:
    #!/usr/bin/bash
    set -eoux pipefail

    image_file="output/${type}/disk.${type}"

    if [[ $type == iso ]]; then
        image_file="output/bootiso/install.iso"
    fi

    if [[ ! -f "${image_file}" ]]; then
        just "build-${type}" "$target_image" "$tag"
    fi

    # Determine which port to use
    port=8006;
    while grep -q :${port} <<< $(ss -tunalp); do
        port=$(( port + 1 ))
    done
    echo "Using Port: ${port}"
    echo "Connect to http://localhost:${port}"
    run_args=()
    run_args+=(--rm --privileged)
    run_args+=(--pull=newer)
    run_args+=(--publish "127.0.0.1:${port}:8006")
    run_args+=(--env "CPU_CORES=4")
    run_args+=(--env "RAM_SIZE=8G")
    run_args+=(--env "DISK_SIZE=64G")
    # run_args+=(--env "BOOT_MODE=windows_secure")
    run_args+=(--env "TPM=Y")
    run_args+=(--env "GPU=Y")
    run_args+=(--device=/dev/kvm)
    run_args+=(--volume "${PWD}/${image_file}":"/boot.${type}")
    run_args+=(docker.io/qemux/qemu-docker)
    ${PODMAN} run "${run_args[@]}" &
    xdg-open http://localhost:${port}
    fg "%${PODMAN}"

[group('Run Virtual Machine')]
run-vm-qcow2 $target_image=("localhost/" + image_name) $tag=default_tag: && (_run-vm target_image tag "qcow2" "image-builder.config.toml")

[group('Run Virtual Machine')]
run-vm-raw $target_image=("localhost/" + image_name) $tag=default_tag: && (_run-vm target_image tag "raw" "image-builder.config.toml")

[group('Run Virtual Machine')]
run-vm-iso $target_image=("localhost/" + image_name) $tag=default_tag: && (_run-vm target_image tag "iso" "image-builder-iso.config.toml")