#!/bin/sh

# Where to find the sources (only used to copy zstd.h)
ZSTD_SRC_ROOT="../../lib"

# Temporary compiled binary
OUT_FILE="tempbin"

RUST_TARGET_DIR="../../rust/target/single-file-library"
RUST_ARCHIVE="$RUST_TARGET_DIR/release/libzstd_rs.a"

# Amalgamate the sources
./create_single_file_library.sh
# Did combining work?
if [ $? -ne 0 ]; then
  echo "Single file library creation script: FAILED"
  exit 1
fi
echo "Single file library creation script: PASSED"

# Copy the header to here (for the tests)
cp "$ZSTD_SRC_ROOT/zstd.h" examples/zstd.h
cp "$ZSTD_SRC_ROOT/zstd_errors.h" examples/zstd_errors.h

# Build the Rust implementation referenced by the amalgamated C shims.
${CARGO:-cargo} build --manifest-path ../../rust/Cargo.toml --release \
  --target-dir "$RUST_TARGET_DIR"
if [ $? -ne 0 ]; then
  echo "Building Rust library archive: FAILED"
  exit 1
fi

# Compile the generated output
cc -Wall -Wextra -Werror -Wshadow \
  -Wno-unused-variable -Wno-unused-parameter -Wno-unused-but-set-variable \
  -pthread -I. -Os -g0 -o $OUT_FILE zstd.c examples/roundtrip.c "$RUST_ARCHIVE"
# Did compilation work?
if [ $? -ne 0 ]; then
  echo "Compiling roundtrip.c: FAILED"
  exit 1
fi
echo "Compiling roundtrip.c: PASSED"

# Run then delete the compiled output
./$OUT_FILE
retVal=$?
rm -f $OUT_FILE
# Did the test work?
if [ $retVal -ne 0 ]; then
  echo "Running roundtrip.c: FAILED"
  exit 1
fi
echo "Running roundtrip.c: PASSED"

# The generated C now calls Rust, so it is no longer a standalone Emscripten input.
echo "(Skipping Emscripten test for Rust-backed amalgamation)"

exit 0