#!/bin/bash

# Check if docker compose (new) or docker-compose (old) is available
if command -v docker &>/dev/null; then
    if docker compose version &>/dev/null; then
        DOCKER_COMPOSE="docker compose"
    elif command -v docker-compose &>/dev/null; then
        DOCKER_COMPOSE="docker-compose"
    else
        echo "❌ Error: Neither 'docker compose' nor 'docker-compose' found."
        echo "Please install Docker Desktop from https://www.docker.com/products/docker-desktop/"
        exit 1
    fi
else
    echo "❌ Error: Docker is not installed."
    echo "Please install Docker Desktop from https://www.docker.com/products/docker-desktop/"
    exit 1
fi

echo "🚀 Starting rebuild process..."

# Function to display usage
show_usage() {
    echo "Usage: ./rebuild.sh [OPTIONS]"
    echo "Options:"
    echo "  -h, --help     Show this help message"
    echo "  -c, --clean    Perform a clean rebuild (no cache)"
    echo "  -f, --fresh    Perform a fresh migration"
}

# Default values
CLEAN_BUILD=false
FRESH_MIGRATION=false

# Parse arguments
while [[ "$#" -gt 0 ]]; do
    case $1 in
        -h|--help) show_usage; exit 0 ;;
        -c|--clean) CLEAN_BUILD=true ;;
        -f|--fresh) FRESH_MIGRATION=true ;;
        *) echo "Unknown parameter: $1"; show_usage; exit 1 ;;
    esac
    shift
done

# Pull latest changes from git
echo "📥 Pulling latest changes from git..."
if ! git pull; then
    echo "❌ Git pull failed. Please resolve any conflicts and try again."
    exit 1
fi

# Stop running containers
echo "📥 Stopping running containers..."
$DOCKER_COMPOSE down

# Remove old images if clean build
if [ "$CLEAN_BUILD" = true ] ; then
    echo "🧹 Cleaning Docker cache..."
    $DOCKER_COMPOSE rm -f
    docker system prune -f
fi

# Build and start containers
echo "🏗️  Building containers..."
if [ "$CLEAN_BUILD" = true ] ; then
    $DOCKER_COMPOSE build --no-cache
else
    $DOCKER_COMPOSE build
fi

# Start containers
echo "🚀 Starting containers..."
$DOCKER_COMPOSE up -d

# Wait for the containers to be ready
echo "⏳ Waiting for containers to be ready..."
sleep 10

# Clear Laravel cache
echo "🧹 Clearing Laravel cache..."
$DOCKER_COMPOSE exec app php artisan cache:clear
$DOCKER_COMPOSE exec app php artisan config:clear
$DOCKER_COMPOSE exec app php artisan view:clear

# Run composer install
echo "📦 Installing dependencies..."
$DOCKER_COMPOSE exec app composer install

# Generate application key if .env exists and APP_KEY is empty
if [ -f .env ] && ! grep -q "^APP_KEY=[A-Za-z0-9+/]\{40\}$" .env; then
    echo "🔑 Generating application key..."
    $DOCKER_COMPOSE exec app php artisan key:generate
fi

# Run migrations if requested
if [ "$FRESH_MIGRATION" = true ] ; then
    echo "🔄 Running fresh migrations..."
    $DOCKER_COMPOSE exec app php artisan migrate:fresh
else
    echo "🔄 Running migrations..."
    $DOCKER_COMPOSE exec app php artisan migrate
fi

echo "✨ Rebuild completed!"
echo "🌐 Your application should be available at http://localhost:8080"