#!/bin/bash

# This script copies required DLLs, and the application itself into a folder called 'release'. It only runs on MinGW.

set -o errexit # Stop executing when a command fails
BASE_DIR=$(dirname $0)
REL_DIR="$BASE_DIR/release/dist/pong"
RAYLIB_DLL="$BASE_DIR/build/subprojects/raylib/libraylib.dll"

rm -r "$REL_DIR"; mkdir -p "$REL_DIR"

# Set up the build directory
meson setup build/

# Build the application
meson compile -C build/

# Parse the output of the 'ldd' command (using only DLLs that are found) and create a file with the required DLL paths.
ldd build/pong.exe | awk ' NF == 4 {print $3}' | grep -i "dll" > "$BASE_DIR/tmp_file.txt"

# Copy the required DLLs.
cp $(cat "$BASE_DIR/tmp_file.txt") "$REL_DIR"

# Copy the raylib DLL, if it does not exist in the directory
cp -n "$RAYLIB_DLL" "$REL_DIR"

# Copy the executable itself
cp "$BASE_DIR/build/pong" "$REL_DIR"

# Remove the temporary file.
rm "$BASE_DIR/tmp_file.txt"

# Go to the parent directory of $REL_DIR, and zip the $REL_DIR directory. This ensures
# that the parent directories aren't included in the zip file.
# The command is enclosed in parantheses, to ensure that the main shell's directory
# isn't changed.
(cd "$REL_DIR/.." && zip -r "./netpong-win.zip" "./pong")