#!/bin/bash

set -eufo pipefail

die() {
    echo "$0: $*" >&2
    exit 1
}

if [[ -z "$FUCHSIA_DIR" ]]; then
    die "FUCHSIA_DIR not set"
fi

build_dir_file="$FUCHSIA_DIR/.fx-build-dir"
if ! [[ -f "$build_dir_file" ]]; then
    die "$build_dir_file not found"
fi

build_dir="$FUCHSIA_DIR/$(< "$build_dir_file")"
if ! [[ -d "$build_dir" ]]; then
    die "$build_dir not found"
fi

zircon_build_dir="${build_dir%/}.zircon"
if ! [[ -d "$zircon_build_dir" ]]; then
    die "$zircon_build_dir not found"
fi

cd "$(dirname "$0")"
rm -rf fuchsia/
mkdir -p fuchsia/{bin,sdk/fidl,zircon/system/fidl}
cp \
    "$build_dir/host_x64/"{fidlc,fidlgen_{llcpp,hlcpp,rust,go,dart}} \
    "$zircon_build_dir/tools/fidl-"{format,lint} \
    fuchsia/bin
find "$FUCHSIA_DIR/sdk/fidl" -mindepth 1 -maxdepth 1 -type d \
    | xargs -I% cp -r % fuchsia/sdk/fidl
find "$FUCHSIA_DIR/zircon/system/fidl" -mindepth 1 -maxdepth 1 -type d \
    | xargs -I% cp -r % fuchsia/zircon/system/fidl