import json

from src.build import Build
from src.config import Config
from src.edition import Edition


def write_pool(path, number):
    path.write_text(
        json.dumps(
            {
                "sections": [
                    {
                        "title": f"Pool {number}",
                        "questions": [
                            {
                                "number": number,
                                "question": f"Fråga {number}",
                                "answer_a": "A",
                                "answer_b": "B",
                                "answer_c": "C",
                                "answer_d": "D",
                            }
                        ],
                    }
                ]
            }
        ),
        encoding="utf-8",
    )


def write_toc(tmp_path, edition, section_content):
    (tmp_path / "toc").mkdir(exist_ok=True)
    (tmp_path / "contents" / "sections").mkdir(parents=True, exist_ok=True)
    (tmp_path / "contents" / "sections" / "intro.md").write_text(section_content, encoding="utf-8")
    (tmp_path / "toc" / f"{edition}.json").write_text(
        json.dumps(
            {
                "title": "Instegskurs",
                "edition": str(edition),
                "chapters": [
                    {
                        "title": "Inledning",
                        "ident": "inledning",
                        "sections": [{"title": "Välkommen", "ident": "intro"}],
                    }
                ],
            }
        ),
        encoding="utf-8",
    )


def test_editions():
    assert [str(edition) for edition in Edition] == ["INSTEG", "HAREC", "UPPGRADERING"]


def test_build_without_question_pool(tmp_path):
    write_toc(tmp_path, Edition.instegs, "Hej [question:SE101]")
    build = Build(Config(content_path=tmp_path, build_path=tmp_path / "build"))

    assert not build.has_question_pool
    build.build_website()
    build.build_edition(Edition.instegs)
    build.build_solutions()
    build.build_question_index()

    out = tmp_path / "build"
    assert (out / "index.html").exists()
    assert (out / "INSTEG_course_index.html").exists()
    assert (out / "INSTEG_intro.html").exists()
    assert not (out / "simulering.html").exists()
    assert not (out / "ovning.html").exists()
    assert not (tmp_path / "build" / "assets" / "question_index.json").exists()
    assert 'lang="sv"' in (out / "index.html").read_text(encoding="utf-8")
    assert "simulering.html" not in (out / "index.html").read_text(encoding="utf-8")


def test_build_with_question_pool_and_default_metadata(tmp_path):
    questions = tmp_path / "contents" / "questions"
    questions.mkdir(parents=True)
    write_pool(questions / "question_pool.json", "SE101")
    write_toc(tmp_path, Edition.instegs, "[question:SE101]")

    build = Build(Config(content_path=tmp_path, build_path=tmp_path / "build"))

    assert build.has_question_pool
    assert set(build.questions) == {"SE101"}
    build.build_website()
    build.build_edition(Edition.instegs)
    build.build_question_index()

    out = tmp_path / "build"
    assert (out / "simulering.html").exists()
    assert (out / "ovning.html").exists()
    assert "Fråga SE101" in (out / "INSTEG_intro.html").read_text(encoding="utf-8")
    assert json.loads((out / "assets" / "question_index.json").read_text(encoding="utf-8"))["SE101"]["editions"] == [
        "INSTEG"
    ]