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

CONFIG_FILE="/opt/appfactory/config/appfactory.env"
source "$CONFIG_FILE"

CATALOG_FILE="$APPFACTORY_DIR/apps/catalog.yml"
CADDY_FILE="$APPFACTORY_DIR/gateway/Caddyfile"

mkdir -p "$(dirname "$CADDY_FILE")"

cat > "$CADDY_FILE" <<EOF_CADDY
:80 {
    handle /health {
        respond "AppFactory OK" 200
    }

    handle /portal* {
        uri strip_prefix /portal
        reverse_proxy appfactory-portal:9100
    }

    handle /apps {
        root * /srv/static
        rewrite * /apps.html
        file_server
    }

EOF_CADDY

if [ -f "$CATALOG_FILE" ]; then
    python3 - "$CATALOG_FILE" "$CADDY_FILE" <<'PY'
import sys

catalog_file = sys.argv[1]
caddy_file = sys.argv[2]

apps = []
current = None

with open(catalog_file, "r", encoding="utf-8") as f:
    for raw in f:
        stripped = raw.strip()

        if stripped.startswith("- id:"):
            if current:
                apps.append(current)
            current = {"id": stripped.split(":", 1)[1].strip()}
        elif current and ":" in stripped:
            key, value = stripped.split(":", 1)
            current[key.strip()] = value.strip().strip('"')

if current:
    apps.append(current)

with open(caddy_file, "a", encoding="utf-8") as f:
    for app in apps:
        app_id = app.get("id")
        port = app.get("container_port") or app.get("port") or "8000"

        if not app_id:
            continue

        f.write(f"    handle_path /apps/{app_id}/* {{\n")
        f.write(f"        reverse_proxy {app_id}:{port}\n")
        f.write("    }\n\n")
PY
fi

cat >> "$CADDY_FILE" <<EOF_CADDY
    handle_path /webhook/* {
        reverse_proxy appfactory-webhook:9000
    }

    handle_path /registry/* {
        reverse_proxy appfactory-registry:5000
    }

    handle {
        respond "AppFactory gateway is running" 200
    }
}
EOF_CADDY

echo "Generated: $CADDY_FILE"

docker exec appfactory-caddy caddy validate --config /etc/caddy/Caddyfile

docker exec appfactory-caddy caddy reload --config /etc/caddy/Caddyfile