#!/bin/bash
# Install Services Using Alternative Methods
# Uses binary downloads and manual installation to bypass apt-get limitations

set -uo pipefail

NODE_IP="${PROXMOX_HOST_R630_01}"

log_info() { echo -e "\033[0;32m[INFO]\033[0m $1"; }
log_error() { echo -e "\033[0;31m[ERROR]\033[0m $1"; }
log_success() { echo -e "\033[0;32m[✓]\033[0m $1"; }

# Install Node.js via binary download
install_nodejs_binary() {
    local vmid="$1"
    log_info "Installing Node.js (binary) on CT $vmid..."
    
    ssh -o ConnectTimeout=10 -o StrictHostKeyChecking=no root@${NODE_IP} "pct enter $vmid <<'INSTALL_EOF'
cd /tmp
NODE_VERSION=\"v18.19.0\"
ARCH=\"x64\"

# Download Node.js binary
wget -q https://nodejs.org/dist/\${NODE_VERSION}/node-\${NODE_VERSION}-linux-\${ARCH}.tar.xz || exit 1

# Extract
tar -xf node-\${NODE_VERSION}-linux-\${ARCH}.tar.xz || exit 1

# Install to /usr/local
cp -r node-\${NODE_VERSION}-linux-\${ARCH}/* /usr/local/ || exit 1

# Install PM2
/usr/local/bin/npm install -g pm2 || exit 1

# Verify
/usr/local/bin/node --version && /usr/local/bin/npm --version && echo 'Node.js installed' || exit 1

# Cleanup
rm -rf node-\${NODE_VERSION}-linux-\${ARCH}* || true
INSTALL_EOF
" && log_success "Node.js installed on CT $vmid" || log_error "Failed to install Node.js on CT $vmid"
}

# Install Redis via binary download
install_redis_binary() {
    local vmid="$1"
    log_info "Installing Redis (binary) on CT $vmid..."
    
    ssh -o ConnectTimeout=10 -o StrictHostKeyChecking=no root@${NODE_IP} "pct enter $vmid <<'INSTALL_EOF'
cd /tmp
REDIS_VERSION=\"7.2.3\"

# Download Redis
wget -q https://download.redis.io/releases/redis-\${REDIS_VERSION}.tar.gz || exit 1
tar -xf redis-\${REDIS_VERSION}.tar.gz || exit 1
cd redis-\${REDIS_VERSION} || exit 1

# Build Redis (requires build tools - may need to install via alternative method)
# For now, try to use pre-built or skip if build tools unavailable
if command -v make >/dev/null 2>&1; then
    make && make install || exit 1
    echo 'Redis installed'
else
    echo 'Build tools not available, skipping Redis binary build'
    exit 1
fi

cd /tmp
rm -rf redis-\${REDIS_VERSION}* || true
INSTALL_EOF
" && log_success "Redis installed on CT $vmid" || log_error "Failed to install Redis on CT $vmid"
}

# Try to enable privileged mode for containers (if possible)
enable_privileged_mode() {
    local vmid="$1"
    log_info "Attempting to enable privileged mode for CT $vmid..."
    
    ssh -o ConnectTimeout=10 -o StrictHostKeyChecking=no root@${NODE_IP} "
        # Stop container
        pct stop $vmid 2>/dev/null || true
        
        # Try to set unprivileged=0 (may require container recreation)
        pct set $vmid --unprivileged 0 2>&1 || echo 'Cannot change unprivileged mode without recreation'
        
        # Start container
        pct start $vmid 2>/dev/null || true
    "
}

# Use pct mount to fix permissions
fix_permissions_via_mount() {
    local vmid="$1"
    log_info "Fixing permissions via mount for CT $vmid..."
    
    ssh -o ConnectTimeout=10 -o StrictHostKeyChecking=no root@${NODE_IP} "
        # Stop container
        pct stop $vmid 2>/dev/null || true
        
        # Mount container
        MOUNT_POINT=\$(pct mount $vmid 2>&1 | grep -o '/tmp/.*' | head -1)
        
        if [ -n \"\$MOUNT_POINT\" ] && [ -d \"\$MOUNT_POINT\" ]; then
            # Fix permissions
            chown -R root:root \$MOUNT_POINT/var/lib/apt 2>/dev/null || true
            chown -R root:root \$MOUNT_POINT/var/cache/apt 2>/dev/null || true
            chown -R root:root \$MOUNT_POINT/var/lib/dpkg 2>/dev/null || true
            
            # Remove locks
            rm -f \$MOUNT_POINT/var/lib/apt/lists/lock
            rm -f \$MOUNT_POINT/var/lib/dpkg/lock*
            rm -f \$MOUNT_POINT/var/cache/apt/archives/lock
            
            # Unmount
            pct unmount $vmid 2>/dev/null || true
            
            echo 'Permissions fixed via mount'
        else
            echo 'Mount failed'
        fi
        
        # Start container
        pct start $vmid 2>/dev/null || true
    "
}

echo "═══════════════════════════════════════════════════════════"
echo "Install Services Using Alternative Methods"
echo "═══════════════════════════════════════════════════════════"
echo ""

# Try fixing permissions via mount for key containers
log_info "Fixing permissions via mount method..."
for vmid in 10000 10020 10030; do
    fix_permissions_via_mount "$vmid"
    sleep 2
done

# Install Node.js via binary for application containers
log_info "Installing Node.js via binary download..."
for vmid in 10030 10040 10050 10060 10070 10080 10090 10091 10092 10130 10150 10151; do
    install_nodejs_binary "$vmid"
    sleep 2
done

echo ""
log_info "Alternative installation methods attempted!"