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

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
cd "$SCRIPT_DIR"

# ── Load .env from repo root ───────────────────────────────────────────────────
if [ -f "$REPO_ROOT/.env" ]; then
    set -a; source "$REPO_ROOT/.env"; set +a
fi

DOMAIN_SUFFIX="${DOMAIN_SUFFIX:-}"
ACME_EMAIL="${ACME_EMAIL:-}"

# ── Validate ───────────────────────────────────────────────────────────────────
if [ -z "$DOMAIN_SUFFIX" ] || [ "$DOMAIN_SUFFIX" = "localhost" ]; then
    echo "ERROR: Set DOMAIN_SUFFIX to your real domain in infra/.env"
    exit 1
fi

if [ -z "$ACME_EMAIL" ]; then
    echo "ERROR: Set ACME_EMAIL in infra/.env (required for Let's Encrypt)"
    exit 1
fi

# ── Generate production caddy.json ─────────────────────────────────────────────
# Writes TLS-enabled config using Let's Encrypt (no Cloudflare required).
# Caddy will use the HTTP-01 challenge (port 80) or TLS-ALPN-01 (port 443).
cat > "$SCRIPT_DIR/../proxy/caddy.json" <<EOF
{
  "admin": { "listen": "0.0.0.0:2019" },
  "apps": {
    "tls": {
      "automation": {
        "policies": [{
          "subjects": ["${DOMAIN_SUFFIX}"],
          "issuers": [{"module": "acme", "email": "${ACME_EMAIL}"}]
        }]
      }
    },
    "http": {
      "servers": {
        "hiy": {
          "listen": [":80", ":443"],
          "automatic_https": {},
          "routes": [
            {
              "match": [{"host": ["${DOMAIN_SUFFIX}"]}],
              "handle": [{"handler": "reverse_proxy", "upstreams": [{"dial": "server:3000"}]}]
            }
          ]
        }
      }
    }
  }
}
EOF

echo "[hiy] Generated proxy/caddy.json for ${DOMAIN_SUFFIX}"

# ── Ensure Podman socket is active ────────────────────────────────────────────
# systemctl --user requires a D-Bus session (not available in non-interactive
# shells). Use podman system service directly instead.
# /run/user/<uid> is created by PAM/logind and doesn't exist in non-login
# shells. Podman uses XDG_RUNTIME_DIR for RunRoot, events dirs, and the
# default socket path, so we must set it to something writable before any
# podman invocation.
if [ ! -d "${XDG_RUNTIME_DIR:-}" ] || [ ! -w "${XDG_RUNTIME_DIR:-}" ]; then
    export XDG_RUNTIME_DIR="/tmp/podman-$(id -u)"
    mkdir -p "$XDG_RUNTIME_DIR"
fi
PODMAN_SOCK="${XDG_RUNTIME_DIR}/podman.sock"
export PODMAN_SOCK
export DOCKER_HOST="unix://${PODMAN_SOCK}"
if [ ! -S "$PODMAN_SOCK" ]; then
    echo "[hiy] Starting Podman socket via podman system service…"
    podman system service --time=0 "unix://${PODMAN_SOCK}" &
    # Wait up to 5 s for the socket to appear
    for i in 1 2 3 4 5; do
        [ -S "$PODMAN_SOCK" ] && break
        sleep 1
    done
    [ -S "$PODMAN_SOCK" ] || { echo "ERROR: Podman socket did not appear"; exit 1; }
fi

# ── Build images ───────────────────────────────────────────────────────────────
make build

# ── Start services (detached) ──────────────────────────────────────────────────
podman compose --env-file "$REPO_ROOT/.env" up -d