#!/bin/bash

# Slackware build script for swt

# Copyright 2026 Pablo Romano, Seville, Spain
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=swt
VERSION=${VERSION:-4.37}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

case "$ARCH" in
  i586)
    LIBDIRSUFFIX=""
    ;;
  x86_64)
    LIBDIRSUFFIX="64"
    ;;
  *)
    LIBDIRSUFFIX=""
    ;;
esac

set -eu

rm -rf "$PKG"
mkdir -p "$TMP" "$PKG" "$OUTPUT"

cd "$TMP"
rm -rf "$PRGNAM-$VERSION"
mkdir -p "$PRGNAM-$VERSION"

# --------------------------------------------------
# Automatically search for the downloaded ZIP file
# --------------------------------------------------

SRC=$(find "$CWD" -maxdepth 1 -type f -name "*.zip" | head -n 1)

if [ -z "$SRC" ]; then
  echo "ERROR: No .zip archive found in:"
  echo "  $CWD"
  exit 1
fi

echo "Using source archive: $SRC"

# --------------------------------------------------
# Extract the ZIP archive
# --------------------------------------------------

cd "$PRGNAM-$VERSION"

unzip "$SRC"

# --------------------------------------------------
# Search for the actual SWT jar
# --------------------------------------------------

SWTJAR=$(find . -type f -name "*.jar" | head -n 1)

if [ -z "$SWTJAR" ]; then
  echo "ERROR: SWT jar file not found"
  exit 1
fi

echo "Using SWT JAR: $SWTJAR"

# --------------------------------------------------
# Installation process (Fixed for 15.0 and -current alignment)
# --------------------------------------------------

# Standard location for architecture-independent Java libraries
mkdir -p "$PKG/usr/share/java"
install -m 644 "$SWTJAR" "$PKG/usr/share/java/swt-$VERSION.jar"

# Create versionless symlink in /usr/share/java (Expected by -current)
ln -s "swt-$VERSION.jar" "$PKG/usr/share/java/swt.jar"

# Create symlink in /usr/lib(64)/java (Expected by legacy 15.0 packages)
mkdir -p "$PKG/usr/lib${LIBDIRSUFFIX}/java"
ln -s "/usr/share/java/swt.jar" "$PKG/usr/lib${LIBDIRSUFFIX}/java/swt.jar"

# --------------------------------------------------
# Documentation and Licenses (SBo Compliance)
# --------------------------------------------------

mkdir -p "$PKG/usr/doc/$PRGNAM-$VERSION"

# Find and copy licenses, readmes, and standard Eclipse about.html files
find . \
  \( -iname "license*" -o -iname "readme*" -o -name "about.html" \) \
  -type f \
  -exec cp -a {} "$PKG/usr/doc/$PRGNAM-$VERSION/" \; \
  2>/dev/null || true

# SBo requirement: Save a copy of the build script in the documentation directory
cat "$CWD/$PRGNAM.SlackBuild" > "$PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild"

# Ensure correct file permissions for documentation
find "$PKG/usr/doc/$PRGNAM-$VERSION" \
  -type f \
  -exec chmod 644 {} \;

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# --------------------------------------------------
# Final file permissions and packaging
# --------------------------------------------------

chown -R root:root "$PKG"

cd "$PKG"

/sbin/makepkg -l y -c n "$OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"