set -eu

BIN_DIR="$(git rev-parse --show-toplevel)/bin"
export PATH="$BIN_DIR:$PATH"

_u_bzl=https://github.com/bazelbuild/bazelisk/releases/download/v1.10.1/bazelisk-
_u_bldf=https://github.com/bazelbuild/buildtools/releases/download/5.0.1/buildifier-

if [[ "${PRINT_TOOL_HASHES:-no}" = "yes" ]]; then
    for os in linux darwin; do
        for arch in amd64 arm64; do
            hash_bzl=$(direnv fetchurl "${_u_bzl}$os-$arch")
            hash_bldf=$(direnv fetchurl "${_u_bldf}$os-$arch")
            echo -e "bzl:  $os-$arch\t$hash_bzl"
            echo -e "bldf: $os-$arch\t$hash_bldf"
        done
    done
fi

# to fetch the hashes, run:
# $ PRINT_TOOL_HASHES=yes bash .envrc
case "$(uname | tr A-Z a-z)-$(uname -m)" in
    linux-x86_64)
        bzl=$(direnv fetchurl "${_u_bzl}linux-amd64" sha256-TLU0xSzdR6YiPUWW1TDnyceFQ4qzsKSf80fpkcIQss0=)
        bldf=$(direnv fetchurl "${_u_bldf}linux-amd64" sha256-Ptc1jHxqHKIW3FZukFT9C5ehSCywt+YQkr6IfUJhXF0=)
        ;;
    linux-aarch64)
        bzl=$(direnv fetchurl "${_u_bzl}linux-arm64" sha256-wd5oYN1PjV4uwnAJe9RtaiEblxoLizhVl4S9BR6pUKE=)
        bldf=$(direnv fetchurl "${_u_bldf}linux-arm64" sha256-xlfGKPynK34ERvGlQiMXIqELpDIVl71vYkml2mBgtv8=)
        ;;
    darwin-x86_64)
        bzl=$(direnv fetchurl "${_u_bzl}darwin-amd64" sha256-5IW7+EUy0CpgsOsjxwJhC1QI3zoZkIek8rXgmVu/LVo=)
        bldf=$(direnv fetchurl "${_u_bldf}darwin-amd64" sha256-LLClRoNjPvbeTgSRBy4i5mrJxjiQUUMrdiAN7u6vk/s=)
        ;;
    darwin-arm64)
        bzl=$(direnv fetchurl "${_u_bzl}darwin-arm64" sha256-wi1IYBRm2dOwQ8zXQFHy9CMPm59FCfCXAXyXMDqojRM=)
        bldf=$(direnv fetchurl "${_u_bldf}darwin-arm64" sha256-TaIzFfDcyr+HjIIn/dvM81VFsjs8tiJb/PMQdonMQ2Q=)
        ;;
    *)
        >&2 echo "unsupported architecture tuple $(uname | tr A-Z a-z)-$(uname -m)"
        exit 1;;
esac

ln -sf "${bzl}" "$BIN_DIR/bazel"
ln -sf "${bldf}" "$BIN_DIR/buildifier"