#!/usr/bin/env bash

set -euo pipefail

CONTAINER_IMAGE="localhost/wch-dev-tools:latest"
CONTAINER_TOOLS_BASEDIR="$(dirname "$(readlink -f "$0")")"

function _fatal {
	echo -e "\e[31mERROR\e[0m   $(</dev/stdin)$*" 1>&2
	exit 1
}

declare -a PODMAN_ARGS=(
	"--rm" "-i" "--log-driver=none"
    "--network=host"
	"-v" "$PWD:$PWD:rw"
	"-w" "$PWD"
)

for device in /dev/bus/usb/*/*; do
    if udevadm info "$device" | grep -q "ID_VENDOR=wch.cn" && \
       udevadm info "$device" | grep -q "ID_MODEL=WCH-Link"; then
        DEBUGGER_DEV_PATH="$device"
        break
    fi
done

if [[ -z "${DEBUGGER_DEV_PATH:-}" ]]; then
    echo "Could not find hardware debugger … Exiting!" 1>&2
    exit 1
else
    # add jlink to podman device
    PODMAN_ARGS+=("--device=$DEBUGGER_DEV_PATH")
fi

[[ -t 1 ]] && PODMAN_ARGS+=("-t")

if ! podman image exists "$CONTAINER_IMAGE"; then
    #attempt to build container
    "$CONTAINER_TOOLS_BASEDIR/build-wch-tools-container.sh" 1>&2 ||
        _fatal "faild to build local image, cannot continue! … please ensure you have an internet connection"
fi

podman run "${PODMAN_ARGS[@]}" --entrypoint openocd "$CONTAINER_IMAGE" "$@"