import json


def gen_doc(template: str, vars: dict) -> str:
    definition = json.loads(open(f"{template}.json").read())
    content = open(f"{template}.html").read()

    for var in definition["vars"]:
        var_r = var["name"].upper()
        content = content.replace(f"[[{var_r}]]", vars[var["name"]])

    return content