#!/bin/bash

# macOS Build Script for ScreenLockDetector
# This script builds the project on macOS

set -e  # Exit on error

echo "=========================================="
echo "Building ScreenLockDetector for macOS"
echo "=========================================="

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Check if we're on macOS
if [[ "$OSTYPE" != "darwin"* ]]; then
    echo -e "${RED}Error: This script is for macOS only${NC}"
    exit 1
fi

# Function to find Qt installation
find_qt() {
    # Try to find Qt in common locations
    QT_PATHS=(
        "/opt/local"                    # MacPorts
        "/usr/local/opt/qt@5"           # Homebrew (Intel)
        "/opt/homebrew/opt/qt@5"        # Homebrew (Apple Silicon)
        "$HOME/Qt/5.15.2/clang_64"      # Official Qt installer
        "$HOME/sdk/qt-5.15.2"           # Custom installation
    )

    for path in "${QT_PATHS[@]}"; do
        if [ -d "$path" ]; then
            # Check if Qt cmake files exist
            if [ -f "$path/lib/cmake/Qt5/Qt5Config.cmake" ]; then
                echo "$path"
                return 0
            fi
        fi
    done

    return 1
}

# Find Qt installation
echo "Searching for Qt installation..."
QT_PATH=$(find_qt)

if [ -z "$QT_PATH" ]; then
    echo -e "${YELLOW}Warning: Qt not found in common locations${NC}"
    echo "Please install Qt 5 using one of these methods:"
    echo "  1. MacPorts: sudo port install qt5"
    echo "  2. Homebrew: brew install qt@5"
    echo "  3. Official installer: https://www.qt.io/download"
    echo ""
    echo "Or set Qt5_DIR environment variable manually:"
    echo "  export Qt5_DIR=/path/to/qt/lib/cmake/Qt5"

    # Ask user if they want to continue anyway
    read -p "Do you want to continue and let CMake search for Qt? (y/n) " -n 1 -r
    echo
    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
        exit 1
    fi
else
    echo -e "${GREEN}Found Qt at: $QT_PATH${NC}"
    export Qt5_DIR="$QT_PATH/lib/cmake/Qt5"
fi

# Create build directory
BUILD_DIR="build"
if [ -d "$BUILD_DIR" ]; then
    echo "Cleaning existing build directory..."
    rm -rf "$BUILD_DIR"
fi

echo "Creating build directory..."
mkdir -p "$BUILD_DIR"

# Run CMake
echo ""
echo "Running CMake configuration..."
cd "$BUILD_DIR"

if [ -n "$Qt5_DIR" ]; then
    cmake .. -DCMAKE_BUILD_TYPE=Release -DQt5_DIR="$Qt5_DIR"
else
    cmake .. -DCMAKE_BUILD_TYPE=Release
fi

# Build the project
echo ""
echo "Building project..."
make -j$(sysctl -n hw.ncpu)

# Check if build succeeded
if [ $? -eq 0 ]; then
    echo ""
    echo -e "${GREEN}=========================================="
    echo "Build completed successfully!"
    echo "==========================================${NC}"
    echo ""
    echo "Executable location: $BUILD_DIR/bin/ScreenLockDetector"
    echo ""
    echo "To run the application:"
    echo "  ./run_mac.sh"
    echo "  or"
    echo "  ./build/bin/ScreenLockDetector"
else
    echo -e "${RED}=========================================="
    echo "Build failed!"
    echo "==========================================${NC}"
    exit 1
fi