#!/bin/bash

set -euo pipefail

SCRIPT_DIR=$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)
CONTAINER="rincoin-node2"

if ! docker ps --format '{{.Names}}' | grep -q "^${CONTAINER}$"; then
    echo "Error: ${CONTAINER} container is not running. Start it with 'docker start ${CONTAINER}'."
    exit 1
fi

# Check prerequisites
if ! command -v python3 >/dev/null 2>&1; then
    echo "Error: python3 is required but not installed."
    exit 1
fi

if ! python3 -c "import venv" 2>/dev/null; then
    echo "Error: python3-venv is required. Install with 'sudo apt install python3-venv' (Ubuntu/Debian) or equivalent."
    exit 1
fi

# Setup virtual environment
VENV_DIR="${SCRIPT_DIR}/venv"
if [ ! -d "$VENV_DIR" ]; then
    echo "Creating virtual environment..."
    python3 -m venv "$VENV_DIR"
fi

# Activate virtual environment
echo "Activating virtual environment..."
source "$VENV_DIR/bin/activate"

# Install/update dependencies
echo "Installing/updating dependencies..."
pip install --quiet -r "${SCRIPT_DIR}/requirements.txt"

echo "Starting RinCoin web wallet on http://127.0.0.1:8787"
export FLASK_APP="${SCRIPT_DIR}/server.py"
export FLASK_ENV=production
export PYTHONPATH="${SCRIPT_DIR}"
flask run --host 127.0.0.1 --port 8787

# Note: To clean up the virtual environment, run: rm -rf "${SCRIPT_DIR}/venv"