#!/bin/sh
set -e

CA_CRT="/usr/local/share/ca-certificates/bnhmeijer/bnhmeijer-root-ca.crt"
CA_NICKNAME="Bnhmeijer Homelab Root CA"

case "$1" in
    configure|abort-upgrade)
        # 1. Update OS system trust store
        if command -v update-ca-certificates >/dev/null 2>&1; then
            echo "Bijwerken van systeem trusted CA certificaten..."
            update-ca-certificates >/dev/null 2>&1 || true
        fi

        # 2. Link Firefox distribution policies if application dir exists
        if [ -d /usr/lib/firefox ]; then
            mkdir -p /usr/lib/firefox/distribution
            if [ ! -e /usr/lib/firefox/distribution/policies.json ] || [ -L /usr/lib/firefox/distribution/policies.json ]; then
                ln -sf /etc/firefox/policies/policies.json /usr/lib/firefox/distribution/policies.json
            fi
        fi

        # 3. Import into NSS databases if certutil is installed
        if command -v certutil >/dev/null 2>&1 && [ -f "$CA_CRT" ]; then
            for user_home in /root $(awk -F: '$3 >= 1000 && $3 < 60000 {print $6}' /etc/passwd 2>/dev/null); do
                user_name=$(stat -c '%U' "$user_home" 2>/dev/null || echo "root")
                for pki_dir in "$user_home/.pki/nssdb" "$user_home/.local/share/pki/nssdb"; do
                    if [ -d "$pki_dir" ]; then
                        certutil -d "sql:$pki_dir" -A -t "TC,," -n "$CA_NICKNAME" -i "$CA_CRT" >/dev/null 2>&1 || true
                        chown -R "$user_name:" "$pki_dir" 2>/dev/null || true
                    fi
                done
            done
        fi

        echo "Bnhmeijer Root CA is geconfigureerd voor OS, Firefox en Chromium/Chrome."
        echo "Herstart actieve browsers om de nieuwe certificaatvertrouwenslijst te laden."
    ;;
esac
exit 0