#!/bin/bash

set -e -x

DIR=$(cd "$(dirname "$0")"; pwd -P)

TOOLCHAIN_IMAGE="esp32-toolchain:latest"
: ${BUILD_DIR:="$DIR/cmake-build"}
DOCKERFILE="$DIR/Dockerfile"
DOCKER_RUN_FLAGS=(--interactive --rm)

# if stdin is a terminal, tell docker to allocate a tty
if [ -t 0 ]; then
    DOCKER_RUN_FLAGS+=(--tty)
fi


build_docker_container() {
    docker build -f "$DOCKERFILE" -t "$TOOLCHAIN_IMAGE" "$DIR"
}

build_docker() {
    build_docker_container
    docker run \
        --volume="$DIR:/esp/uas-ugv" \
        "${DOCKER_RUN_FLAGS[@]}" \
        "$TOOLCHAIN_IMAGE" \
        /esp/uas-ugv/build.sh cmake "$@"
}

build_cmake() {
    mkdir -p "$BUILD_DIR"
    cd "$BUILD_DIR"
    cmake -G Ninja "$DIR"
    cmake --build "$BUILD_DIR" -- "$@"
}

build_clean() {
    rm -rf "$BUILD_DIR"
}

CMD="$1"; shift

case $CMD in 
    docker_container) build_docker_container ;;
    docker) build_docker "$@" ;;
    cmake) build_cmake "$@" ;;
    clean) build_clean ;;
    *) echo "Usage: $0 <docker_container|docker|cmake>" ;;
esac