from jinja2.environment import Template

from bopytex.message import Message


def generate(args, deps, output):
    env = args["jinja2"]["environment"]
    template = env.get_template(deps[0])

    try:
        with open(output, "w") as out:
            out.write(tpl2tex(template, metas=args))

        return Message(0, [f"GENERATE - {deps[0]} to {output}"], [])

    except Exception as e:
        return Message(0, [], [e])


def tpl2tex(template: Template, metas: dict = {}) -> str:
    return template.render(metas)