#!/usr/bin/env python3

import os, re

# Define the file paths
tmpl_file = "./src/http_static.cpp.tmpl"
out_file = "./src/http_static.cpp"
static_dir = "./src/static/"

def main():
    # Print current working directory and username
    print("Current working directory:", os.getcwd())
    print("Current user:", os.getlogin())

    # Read template file content
    with open(tmpl_file, 'r') as f:
        body = f.read()

    # Iterate over placeholder expressions in the template
    for tmpl_import in find_placeholder_expressions(body):
        print("Found expression:", tmpl_import)
        tmpl_filename = tmpl_import[1:-1]
        template_path = os.path.join(static_dir, tmpl_filename)

        # Read content of the file specified by the placeholder
        with open(template_path, 'r') as f:
            template = f.read()

        # Replace placeholder with content of the file
        body = body.replace(tmpl_import, template)

    # Write modified content to the output file
    with open(out_file, 'w') as f:
        f.write(body)

def find_placeholder_expressions(body):
    # Find and return placeholder expressions in the body
    return [expr.group() for expr in re.finditer(r"%[^%]*%", body)]

if __name__ == "__main__":
    main()