import os
import jinja2
from pathlib import Path
from bopytex.message import Message
from bopytex.planner.default_planner import default_planner
from bopytex.service import orcherstrator
from bopytex.worker import Dispatcher
from bopytex.worker.clean import clean
from bopytex.worker.compile import latexmk
from bopytex.worker.generate import generate
from bopytex.worker.join_pdf import pdfjam
import pytest


@pytest.fixture
def template_path(tmp_path):
    template = tmp_path / "tpl_source.tex"
    with open(template, "w") as tpl:
        tpl.write(
            """
\\documentclass{article}

\\begin{document}
First document.

Subject {{ subject }}
\\end{document}
        """
        )
    return template


@pytest.fixture
def jinja2_env(tmp_path):
    templateEnv = jinja2.Environment(loader=jinja2.FileSystemLoader(tmp_path))
    return templateEnv


def test_with_default_planner(template_path, jinja2_env, tmp_path):
    os.chdir(tmp_path)

    options = {
        "template": str(template_path.name),
        "quantity_subjects": 3,
        "corr": False,
        "no_join": False,
        "no_pdf": False,
        "jinja2": {
            "environment": jinja2_env,
        },
    }
    dispatcher = Dispatcher(
        {"GENERATE": generate, "COMPILE": latexmk, "JOIN": pdfjam, "CLEAN": clean}
    )
    orcherstre = orcherstrator(options, planner=default_planner, dispatcher=dispatcher)

    messages = []
    for message in orcherstre:
        assert message.status == 0

    assert Path("joined_source.pdf").exists()