pre-commit

#!/bin/bash

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

# Check if clang-format is installed
if ! command -v clang-format &> /dev/null; then
    echo -e "${YELLOW}Warning: clang-format is not installed.${NC}"
    echo -e "${YELLOW}Your code will not be automatically formatted.${NC}"
    echo -e "${YELLOW}To install clang-format:${NC}"
    echo -e "${YELLOW}  - macOS: brew install clang-format${NC}"
    echo -e "${YELLOW}  - Ubuntu/Debian: sudo apt-get install clang-format${NC}"
    echo -e "${YELLOW}  - Windows with Chocolatey: choco install llvm${NC}"
    echo -e "${YELLOW}Commit will proceed, but please consider installing clang-format.${NC}"
    exit 0
fi

# Get list of staged files that are C/C++ files
staged_files=$(git diff --cached --name-only --diff-filter=ACM | grep -E '\.(c|cpp|h|hpp)$')

# If there are no C/C++ files staged, exit early
if [ -z "$staged_files" ]; then
    echo -e "${GREEN}No C/C++ files to format.${NC}"
    exit 0
fi

echo -e "${GREEN}Running format.sh to format your code...${NC}"
./format.sh

# Check if formatting would change any files
echo -e "${GREEN}Checking if formatting is correct...${NC}"
if ! ./check_format.sh > /dev/null 2>&1; then
    # If formatting failed, add the changes and show what was changed
    echo -e "${YELLOW}Automatically fixing formatting issues...${NC}"
    
    # Add the changes back to staging
    echo "$staged_files" | xargs git add
    
    echo -e "${GREEN}Formatting issues fixed and changes staged.${NC}"
fi

echo -e "${GREEN}Pre-commit hook completed successfully!${NC}"
exit 0