#!/bin/bash
set -euo pipefail

DEBUG=${DEBUG:-false}
if $DEBUG; then
  set -x
fi

tmp=$(mktemp --tmpdir -d uplink-c-test-namespace.XXXXXXXXXX)
if ! $DEBUG; then
  trap "rm -fr '$tmp'" EXIT
fi

export DESTDIR="$tmp/local"
make install

cd "$tmp"

cat > with-namespace.c <<EOF
#include <uplink/uplink.h>

int main() {
    UplinkProject *p = NULL;

    return 0;
}
EOF

cat > without-namespace.c <<EOF
#include <uplink/uplink.h>

int main() {
    Project *p = NULL;

    return 0;
}
EOF

if ! gcc with-namespace.c $(PKG_CONFIG_PATH=$DESTDIR/lib/pkgconfig pkg-config --cflags --libs libuplink) -o test; then
  printf 'ERROR: Failed to build with the namespace.\n' 1>&2
  exit 1
fi

if ! gcc without-namespace.c $(PKG_CONFIG_PATH=$DESTDIR/lib/pkgconfig pkg-config --cflags --libs libuplink) -o test; then
  printf 'ERROR: Failed to build without the namespace.\n' 1>&2
  exit 1
fi

if ! gcc with-namespace.c -DUPLINK_DISABLE_NAMESPACE_COMPAT $(PKG_CONFIG_PATH=$DESTDIR/lib/pkgconfig pkg-config --cflags --libs libuplink) -o test; then
  printf 'ERROR: Failed to build with the namespace and compat disabled.\n' 1>&2
  exit 1
fi

if gcc without-namespace.c -DUPLINK_DISABLE_NAMESPACE_COMPAT $(PKG_CONFIG_PATH=$DESTDIR/lib/pkgconfig pkg-config --cflags --libs libuplink) -o test &>/dev/null; then
  printf 'ERROR: Build without the namespace and compat disable succeeded. This should never happen...\n' 1>&2
  exit 1
fi