#!/usr/bin/env bash
#
# PHP/Laravel Security Linter - Installation Script
#
# This script builds the Docker image and installs the wrapper script.
#
# Usage:
#   ./install.sh                      # Default: 1024M memory
#   PHP_MEMORY_LIMIT=2048M ./install.sh  # Custom memory limit
#

set -e

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
IMAGE_NAME="php-security-linter:latest"
INSTALL_PATH="/usr/local/bin/php-security-lint"
PHP_MEMORY_LIMIT="${PHP_MEMORY_LIMIT:-1024M}"

echo -e "${BLUE}"
echo "╔════════════════════════════════════════════════════════════╗"
echo "║     PHP/Laravel Security Linter - Installer                ║"
echo "╚════════════════════════════════════════════════════════════╝"
echo -e "${NC}"

# Check Docker
echo -e "${YELLOW}[1/3] Checking Docker...${NC}"
if ! command -v docker &> /dev/null; then
    echo -e "${RED}Error: Docker is not installed.${NC}"
    echo "Please install Docker first: https://docs.docker.com/get-docker/"
    exit 1
fi

if ! docker info &> /dev/null; then
    echo -e "${RED}Error: Docker daemon is not running.${NC}"
    echo "Please start Docker and try again."
    exit 1
fi
echo -e "${GREEN}✓ Docker is available${NC}"

# Build Docker image
echo ""
echo -e "${YELLOW}[2/3] Building Docker image (memory_limit=${PHP_MEMORY_LIMIT})...${NC}"
cd "$SCRIPT_DIR"
docker build --build-arg PHP_MEMORY_LIMIT="$PHP_MEMORY_LIMIT" -t "$IMAGE_NAME" .
echo -e "${GREEN}✓ Docker image built: $IMAGE_NAME${NC}"

# Install wrapper script
echo ""
echo -e "${YELLOW}[3/3] Installing wrapper script...${NC}"

if [[ -w "$(dirname "$INSTALL_PATH")" ]]; then
    cp "$SCRIPT_DIR/php-security-lint" "$INSTALL_PATH"
    chmod +x "$INSTALL_PATH"
    echo -e "${GREEN}✓ Installed to $INSTALL_PATH${NC}"
else
    echo -e "${YELLOW}Need sudo to install to $INSTALL_PATH${NC}"
    sudo cp "$SCRIPT_DIR/php-security-lint" "$INSTALL_PATH"
    sudo chmod +x "$INSTALL_PATH"
    echo -e "${GREEN}✓ Installed to $INSTALL_PATH${NC}"
fi

# Done
echo ""
echo -e "${GREEN}════════════════════════════════════════════════════════════${NC}"
echo -e "${GREEN}Installation complete!${NC}"
echo ""
echo "Usage:"
echo "  php-security-lint .                    # Scan current directory"
echo "  php-security-lint app/                 # Scan specific directory"
echo "  php-security-lint -s high .            # High severity only"
echo "  php-security-lint -f json -o report.json ."
echo ""
echo "For more options:"
echo "  php-security-lint --help"
echo -e "${GREEN}════════════════════════════════════════════════════════════${NC}"