import subprocess

def get_git_info():
    try:
        # Get the latest tag
        latest_tag = subprocess.check_output(['git', 'describe', '--abbrev=0', '--tags']).decode().strip()
        # Get the number of commits since the latest tag
        commit_count = subprocess.check_output(['git', 'rev-list', f'{latest_tag}..HEAD', '--count']).decode().strip()
        # Get the current branch
        branch = subprocess.check_output(['git', 'rev-parse', '--abbrev-ref', 'HEAD']).decode().strip()
        # Get the short hash of the latest commit
        commit_hash = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).decode().strip()

        # Parse the version string
        version_parts = latest_tag.split('.')
        major, minor, patch = map(int, version_parts)

        return major, minor, patch, int(commit_count), branch, commit_hash
    except Exception as e:
        print(f"Error: {e}")
        return None, None, None, None, None, None

def generate_c_file(filename, version_info):
    version_info_string = f"""\
// This file is auto-generated by a Python script
// Do not modify manually

#include "version_info.h"

__attribute__((section(".version"))) const firmware_version_t VERSION_INFO = {{ {version_info[0]}, {version_info[1]}, {version_info[2]}, {version_info[3]}, "{version_info[4]}", "{version_info[5]}" }};
"""

    with open(filename, 'w') as f:
        f.write(version_info_string)

if __name__ == "__main__":
    version_info = get_git_info()
    if version_info:
        generate_c_file("version_info.c", version_info)
        print("Version information has been written to version_info.c")
    else:
        print("Failed to retrieve Git information.")