#!/usr/bin/env bash
# Build .rpm package for i2p-python.
# Runs inside the Fedora build container — never on bare metal.
#
# Strategy: install into a virtualenv under /opt/i2p-python, then package
# the entire venv + config files as an .rpm using fpm -s dir.
set -euo pipefail

VERSION=$(python3 -c "
import tomllib
with open('pyproject.toml', 'rb') as f:
    print(tomllib.load(f)['project']['version'])
")
echo "=== Building i2p-python ${VERSION} .rpm ==="

# Create staging root
STAGING=/tmp/staging
mkdir -p "${STAGING}/opt/i2p-python"
mkdir -p "${STAGING}/usr/bin"
mkdir -p "${STAGING}/usr/lib/systemd/system"
mkdir -p "${STAGING}/var/lib/i2p-python"

# Install into isolated virtualenv at /opt/i2p-python
python3 -m venv "${STAGING}/opt/i2p-python"
"${STAGING}/opt/i2p-python/bin/pip" install --quiet .

# Create wrapper scripts in /usr/bin
for cmd in i2p-router i2p-sam i2p-tunnel; do
    cat > "${STAGING}/usr/bin/${cmd}" << 'WRAPPER'
#!/bin/sh
exec /opt/i2p-python/bin/CMD "$@"
WRAPPER
    sed -i "s/CMD/${cmd}/" "${STAGING}/usr/bin/${cmd}"
    chmod 755 "${STAGING}/usr/bin/${cmd}"
done

# Copy systemd unit
cp packaging/linux/i2p-router.service "${STAGING}/usr/lib/systemd/system/"

# Build .rpm with fpm from the staged directory
fpm \
  -s dir \
  -t rpm \
  -C "${STAGING}" \
  -n i2p-python \
  -v "${VERSION}" \
  --architecture x86_64 \
  --description "I2P anonymous overlay network router — Python implementation" \
  --url "https://geti2p.net/" \
  --license MIT \
  --maintainer "bimo.studio" \
  --category "Applications/Internet" \
  --depends python3 \
  -p "/out/i2p-python-${VERSION}-1.x86_64.rpm" \
  opt/ usr/ var/

echo "=== .rpm built ==="
ls -lh /out/*.rpm