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

APP_ID="${1:-}"

if [ -z "$APP_ID" ]; then
  echo "Usage:"
  echo "  ./delete-app.sh <app-id>"
  exit 1
fi

BASE_DIR="/opt/appfactory"
WORKSPACE_DIR="/home/jiri/workspace"
COMPOSE_FILE="$BASE_DIR/deploy/apps-compose.yml"
CADDY_FILE="$BASE_DIR/gateway/Caddyfile"
CATALOG_FILE="$BASE_DIR/apps/catalog.yml"

echo "Deleting app: $APP_ID"

docker rm -f "$APP_ID" 2>/dev/null || true
docker rmi -f "$APP_ID:latest" 2>/dev/null || true

python3 - "$APP_ID" "$COMPOSE_FILE" "$CATALOG_FILE" "$CADDY_FILE" <<'PY'
import sys
from pathlib import Path

app_id = sys.argv[1]
compose_file = Path(sys.argv[2])
catalog_file = Path(sys.argv[3])
caddy_file = Path(sys.argv[4])

def remove_yaml_block(path: Path, start_patterns):
    lines = path.read_text().splitlines()
    out = []
    i = 0
    while i < len(lines):
        line = lines[i]
        if any(p in line for p in start_patterns):
            indent = len(line) - len(line.lstrip())
            i += 1
            while i < len(lines):
                next_line = lines[i]
                if next_line.strip() and (len(next_line) - len(next_line.lstrip())) <= indent:
                    break
                i += 1
            continue
        out.append(line)
        i += 1
    path.write_text("\n".join(out).rstrip() + "\n")

remove_yaml_block(compose_file, [f"  {app_id}:"])
remove_yaml_block(catalog_file, [f"  - id: {app_id}"])

text = caddy_file.read_text()
block = f"""    handle_path /apps/{app_id}/* {{
        reverse_proxy {app_id}:8000
    }}

"""
text = text.replace(block, "")
caddy_file.write_text(text)
PY

rm -rf "$WORKSPACE_DIR/$APP_ID" || true

cd "$BASE_DIR/deploy"
docker compose -f docker-compose.yml -f apps-compose.yml up -d
docker exec appfactory-caddy caddy reload --config /etc/caddy/Caddyfile || docker restart appfactory-caddy

echo "Deleted: $APP_ID"