#!/usr/bin/env bash
set -euo pipefail

BASE="/opt/homelab"
GENERATOR="$BASE/scripts/generate_caddy.py"
WRAPPER="$BASE/Caddyfile.wrapper"
TARGET_CADDYFILE="/etc/caddy/Caddyfile"
BACKUP_CADDYFILE="/etc/caddy/Caddyfile.bak"
GENERATED_DIR="$BASE/generated/caddy"

echo "[1/5] Ensuring generated directory exists..."
mkdir -p "$GENERATED_DIR"

echo "[2/5] Generating Caddy fragments..."
python3 "$GENERATOR"

echo "[3/5] Installing wrapper Caddyfile..."
if [[ -f "$TARGET_CADDYFILE" ]]; then
    cp "$TARGET_CADDYFILE" "$BACKUP_CADDYFILE"
fi
cp "$WRAPPER" "$TARGET_CADDYFILE"

echo "[4/5] Validating Caddy config..."
caddy validate --config "$TARGET_CADDYFILE"

echo "[5/5] Reloading Caddy..."
systemctl reload caddy

echo "[Done] Caddy deployed successfully."