#!/bin/bash

set -e

echo "==> Building libraries inside container and extracting to ./output..."

# Create output directory
mkdir -p output

# Start container in background
CONTAINER_NAME="pfextlib-build-$$"
echo "==> Starting container: $CONTAINER_NAME"
docker run -d --name "$CONTAINER_NAME" centos39-pfextlib:latest sleep infinity

# Function to cleanup container on exit
cleanup() {
    echo "==> Cleaning up container..."
    docker rm -f "$CONTAINER_NAME" 2>/dev/null || true
}
trap cleanup EXIT

# Run builds inside container
# Note: install may fail with error 2 (headers already exist), but libs are built successfully
docker exec "$CONTAINER_NAME" bash -c '
    echo "==> Building cppunit..."
    bash /usr/local/PFEXTLIB-1.2/build-cppunit.sh || echo "cppunit install failed (expected - libs are built)"
    
    echo "==> Building fftw..."
    bash /usr/local/PFEXTLIB-1.2/build-fftw.sh || echo "fftw build failed"
    
    echo "==> Building hdf5..."
    bash /usr/local/PFEXTLIB-1.2/build-hdf5.sh || echo "hdf5 build failed"
    
    echo "==> Building xerces-c..."
    bash /usr/local/PFEXTLIB-1.2/build-xerces.sh || echo "xerces build failed"
'

# Copy compiled files from container
echo "==> Copying compiled files from container to ./output..."

# Copy cppunit
mkdir -p output/cppunit/lib output/cppunit/bin output/cppunit/include
docker cp "$CONTAINER_NAME":/usr/local/PFEXTLIB-1.2/cppunit-1.10.2/src/cppunit/.libs/. output/cppunit/lib/ 2>/dev/null || true
docker cp "$CONTAINER_NAME":/usr/local/PFEXTLIB-1.2/cppunit-1.10.2/src/DllPlugInTester/.libs/DllPlugInTester output/cppunit/bin/ 2>/dev/null || true
docker cp "$CONTAINER_NAME":/usr/local/PFEXTLIB-1.2/cppunit-1.10.2/include/cppunit output/cppunit/include/ 2>/dev/null || true

# Copy fftw
mkdir -p output/fftw/lib output/fftw/include
docker cp "$CONTAINER_NAME":/usr/local/PFEXTLIB-1.2/fftw-3.0.1/.libs/. output/fftw/lib/ 2>/dev/null || true
docker cp "$CONTAINER_NAME":/usr/local/PFEXTLIB-1.2/fftw-3.0.1/api/fftw3.h output/fftw/include/ 2>/dev/null || true

# Copy hdf5
mkdir -p output/hdf5/lib output/hdf5/include
docker cp "$CONTAINER_NAME":/usr/local/PFEXTLIB-1.2/hdf5-1.6.2/src/.libs/. output/hdf5/lib/ 2>/dev/null || true
docker cp "$CONTAINER_NAME":/usr/local/PFEXTLIB-1.2/hdf5-1.6.2/src/H5public.h output/hdf5/include/ 2>/dev/null || true

# Copy xerces-c
mkdir -p output/xerces/lib output/xerces/include
docker cp "$CONTAINER_NAME":/usr/local/PFEXTLIB-1.2/xerces-c-src2_1_0/lib/. output/xerces/lib/ 2>/dev/null || true
docker cp "$CONTAINER_NAME":/usr/local/PFEXTLIB-1.2/xerces-c-src2_1_0/include/. output/xerces/include/ 2>/dev/null || true

# Check library dependencies
echo ""
echo "==> Checking library dependencies..."
echo ""
echo "cppunit:"
docker exec "$CONTAINER_NAME" ldd /usr/local/PFEXTLIB-1.2/cppunit-1.10.2/src/cppunit/.libs/libcppunit-1.10.so.2.0.0 || true
echo ""
echo "fftw:"
docker exec "$CONTAINER_NAME" ldd /usr/local/PFEXTLIB-1.2/fftw-3.0.1/.libs/libfftw3.so.3.0.1 || true
echo ""
echo "hdf5:"
docker exec "$CONTAINER_NAME" ldd /usr/local/PFEXTLIB-1.2/hdf5-1.6.2/src/.libs/libhdf5.so.0.0.0 || true
echo ""
echo "xerces-c:"
docker exec "$CONTAINER_NAME" ldd /usr/local/PFEXTLIB-1.2/xerces-c-src2_1_0/lib/libxerces-c.so.21.0 || true

echo ""
echo "========================================"
echo "Build complete! Libraries copied to ./output/"
echo "========================================"
echo ""
echo "Directory structure:"
ls -lR output/