#!/usr/bin/env bash
# Build the boxsim image, staging the Visaton library and parts catalogue.
#
# Both live outside this repository, so they are copied into a staging directory
# inside the build context first. Nothing proprietary is baked in: the Visaton
# library is our own, and the catalogue is a plain text parts list.
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$ROOT"

LIB_DIR="${BOXSIM_KICAD_LIB_DIR:-/home/magdev/workspaces/other/kicad-visaton-lib}"
CATALOG="${BOXSIM_CATALOG:-$ROOT/boxsim_dl/BoxSim 2.1 DE (Stand 12.2025)/Weichenbauteile/Visatonteile.txt}"
IMAGE="${IMAGE:-boxsim:0.1.0}"

SYM="$LIB_DIR/symbols/Visaton.kicad_sym"
FP="$LIB_DIR/footprints/Visaton.pretty"

# A missing input must stop the build, never silently produce an image without
# its library.
for path in "$SYM" "$FP" "$CATALOG"; do
    if [[ ! -e "$path" ]]; then
        echo "build-image: required input missing: $path" >&2
        exit 1
    fi
done

# The library must already be in the current KiCad format, otherwise the symbols
# cannot be embedded into a KiCad 10 schematic.
version="$(sed -n 's/.*(version \([0-9]\+\)).*/\1/p' "$SYM" | head -1)"
if [[ -z "$version" || "$version" -lt 20211014 ]]; then
    echo "build-image: $SYM is in the legacy format (version ${version:-none})." >&2
    echo "             Run: kicad-cli sym upgrade --force '$SYM'" >&2
    exit 1
fi

rm -rf stage
mkdir -p stage
cp "$SYM" stage/Visaton.kicad_sym
cp "$CATALOG" stage/Visatonteile.txt
cp -r "$FP" stage/footprints

echo "staged: symbol library (version $version), catalogue, $(ls stage/footprints | wc -l) footprints"

docker build -t "$IMAGE" .
rm -rf stage

echo "built $IMAGE"