#!/bin/bash

# Get the directory where this script is located
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
cd "$SCRIPT_DIR"

echo "🔧 Lab4 Application Setup & Launch"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

# Check and create venv if not exists
if [ ! -d "venv" ]; then
    echo "📦 Virtual environment not found. Creating venv..."
    python3 -m venv venv
    echo "✅ venv created"
else
    echo "✅ venv already exists"
fi

# Activate venv
echo "🔄 Activating virtual environment..."
source venv/bin/activate

# Install/upgrade requirements
if [ -f "requirements.txt" ]; then
    echo "📥 Installing dependencies from requirements.txt..."
    pip install -q --upgrade pip
    pip install -q -r requirements.txt
    echo "✅ Dependencies installed"
else
    echo "⚠️  requirements.txt not found!"
    exit 1
fi

# Create instance directory if not exists
if [ ! -d "instance" ]; then
    echo "📁 Creating instance directory..."
    mkdir -p instance
fi

# Remove old database to create fresh one
if [ -f "instance/accounting.db" ]; then
    echo "🗑️  Removing old database..."
    rm instance/accounting.db
fi

echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "🚀 Starting Flask Application..."
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo ""

# Run the Flask app
python app.py