#!/bin/bash
#
# Download all external dependencies for air-gapped environment
# Creates offline package cache for Jenkins/Dockerfile use
#
# Usage: ./download-all-dependencies.sh [output-directory]
#
# Output directory structure:
#   offline-cache/
#   ├── qt6/                    # Qt6 packages from aqtinstall
#   ├── src/                    # Source tarballs (KDReports, Log4Qt, Grantlee)
#   ├── deb/                    # Ubuntu .deb packages
#   └── scripts/                # Installation scripts for offline use
#

set -euo pipefail

# Configuration
OUTPUT_DIR="${1:-./offline-cache}"
QT_VERSION="6.10.2"
QT_MODULES="qtmultimedia qtserialport qtimageformats qtwebsockets qtwebengine qtpdf qtwebview qt5compat qtwebchannel qtpositioning qtlocation qtsensors"

# Air-gapped environment configuration (from Dockerfiles)
NEXUS_REPO="http://remote-repo.sl.defence-elec.de:8081"
PIP_INDEX_URL="${NEXUS_REPO}/repository/proxypipy/"
APT_SOURCES="${NEXUS_REPO}/repository/ubuntu"

echo "========================================="
echo "Downloading External Dependencies"
echo "========================================="
echo "Output directory: ${OUTPUT_DIR}"
echo "Qt Version: ${QT_VERSION}"
echo "========================================="

# Create directory structure
mkdir -p "${OUTPUT_DIR}"/{qt6,src,deb,scripts}

# Run download in Docker container with proper environment
echo ""
echo "Running download in Ubuntu 26.04 Docker container..."
echo ""

docker run --rm \
    -v "$(pwd)/${OUTPUT_DIR}:/cache" \
    -e PIP_INDEX_URL="${PIP_INDEX_URL}" \
    -e NEXUS_REPO="${NEXUS_REPO}" \
    ubuntu:26.04 \
    bash -c "
set -euo pipefail

OUTPUT_DIR='/cache'
QT_VERSION='${QT_VERSION}'
QT_MODULES='${QT_MODULES}'
NEXUS_REPO='${NEXUS_REPO}'
PIP_INDEX_URL='${PIP_INDEX_URL}'

echo '=== Installing required packages ==='
apt-get update -qq
apt-get install -y -qq python3 python3-venv python3-pip git wget curl apt-transport-https

echo ''
echo '=== Setting up Python virtual environment for aqtinstall ==='
python3 -m venv /tmp/aqtinstall_venv
source /tmp/aqtinstall_venv/bin/activate

# Install aqtinstall from standard PyPI (not available in internal proxy)
echo 'Installing aqtinstall from standard PyPI...'
pip install --quiet --index-url https://pypi.org/simple aqtinstall

echo ''
echo '=== Downloading Qt6 \${QT_VERSION} ==='
aqt install-qt linux desktop \${QT_VERSION} linux_gcc_64 \\
    --modules \${QT_MODULES} \\
    --outputdir /cache/qt6 \\
    --base \${NEXUS_REPO}/repository/qt-mirror/

echo ''
echo 'Qt6 downloaded to /cache/qt6'

echo ''
echo '=== Downloading Source Tarballs ==='

# KDReports
echo 'Downloading KDReports 2.3.0...'
git clone --depth 1 --branch kdreports-2.3.0 \\
    https://github.com/KDAB/KDReports.git \\
    /tmp/KDReports
tar -czf /cache/src/KDReports-2.3.0.tar.gz -C /tmp KDReports
rm -rf /tmp/KDReports

# Log4Qt
echo 'Downloading Log4Qt 2.0.0...'
git clone --depth 1 --branch v2.0.0 \\
    https://github.com/MEONMedical/Log4Qt.git \\
    /tmp/Log4Qt
tar -czf /cache/src/Log4Qt-2.0.0.tar.gz -C /tmp Log4Qt
rm -rf /tmp/Log4Qt

# Grantlee
echo 'Downloading Grantlee (master branch)...'
git clone --depth 1 \\
    https://github.com/steveire/grantlee.git \\
    /tmp/grantlee
GRANTLEE_COMMIT=\$(cd /tmp/grantlee && git rev-parse HEAD)
echo 'Grantlee commit: \${GRANTLEE_COMMIT}'
tar -czf /cache/src/grantlee-\${GRANTLEE_COMMIT:0:7}.tar.gz -C /tmp grantlee
rm -rf /tmp/grantlee

echo ''
echo 'Source tarballs downloaded to /cache/src'

# Cleanup
deactivate 2>/dev/null || true
rm -rf /tmp/aqtinstall_venv

echo ''
echo '=== Download Complete ==='
"