"""Tests for abschliessen.py (finish a video: result to fertig/, delete working folder)."""
import json
import sys
from datetime import date

import pytest

import abschliessen as ab

TEXT = "Der Kreml ist in Moskau.\n\nDas ist bekannt.\n"
SOURCE = {
    "titel": "Eine Rede", "kanal": "Kanal", "datum": "20260328",
    "url": "https://www.youtube.com/watch?v=abc123", "id": "abc123",
}


@pytest.fixture
def work(tmp_path, monkeypatch):
    """abschriften/rede/ with everything a run leaves behind; cwd is tmp_path."""
    monkeypatch.chdir(tmp_path)
    folder = tmp_path / "abschriften" / "rede"
    parts = folder / "rede.korrigiert.parts"
    parts.mkdir(parents=True)
    (parts / "part001-abc.txt").write_text("x", encoding="utf-8")
    (folder / "rede.txt").write_text("der kremmel ist in moskau\n", encoding="utf-8")
    (folder / "rede.korrigiert.txt").write_text(TEXT, encoding="utf-8")
    (folder / "rede.aenderungen.html").write_text("<p>", encoding="utf-8")
    (folder / "rede.quelle.json").write_text(json.dumps(SOURCE), encoding="utf-8")
    return folder


def run_main(monkeypatch, *args, answer=None):
    monkeypatch.setattr(sys, "argv", ["abschliessen.py", *map(str, args)])
    if answer is not None:
        monkeypatch.setattr("builtins.input", lambda question: answer)
    ab.main()


def test_finish_writes_header_and_deletes(work, tmp_path, monkeypatch, capsys):
    run_main(monkeypatch, work, "--ja")

    finished = (tmp_path / "fertig" / "rede.txt").read_text(encoding="utf-8")
    assert finished == (
        "Titel: Eine Rede\nKanal: Kanal\nDatum: 2026-03-28\n"
        "Quelle: https://www.youtube.com/watch?v=abc123\n"
        f"Abgeschlossen: {date.today().isoformat()}\n\n" + TEXT
    )
    assert not work.exists()
    out = capsys.readouterr().out
    assert "rede.korrigiert.parts/" in out and f"Gelöscht: {work}" in out


def test_answer_no_keeps_folder_and_rerun_deletes(work, tmp_path, monkeypatch, capsys):
    run_main(monkeypatch, work, answer="n")
    assert work.is_dir()
    assert (tmp_path / "fertig" / "rede.txt").is_file()
    assert "Nicht gelöscht." in capsys.readouterr().out

    # Later: the result is already in fertig/, only the deletion is left
    run_main(monkeypatch, work, answer="j")
    assert not work.exists()
    assert "Bereits fertig" in capsys.readouterr().out


def test_open_review_marks_stop(work, tmp_path, monkeypatch, capsys):
    (work / "rede.korrigiert.txt").write_text(
        "Der Kreml [prüfen: Kremmel] ist in Moskau.\n", encoding="utf-8"
    )
    with pytest.raises(SystemExit, match="offene Prüfmarken"):
        run_main(monkeypatch, work, "--ja")
    assert "Zeile 1: Der Kreml [prüfen: Kremmel]" in capsys.readouterr().out
    assert not (tmp_path / "fertig").exists() and work.is_dir()

    run_main(monkeypatch, work, "--ja", "--trotzdem")
    assert (tmp_path / "fertig" / "rede.txt").is_file()


def test_conflict_stops(work, monkeypatch):
    (work / "rede.neu.korrigiert.txt").write_text(TEXT, encoding="utf-8")
    with pytest.raises(SystemExit, match="Ungeklärter Konflikt: rede.neu.korrigiert.txt"):
        run_main(monkeypatch, work, "--ja")
    assert work.is_dir()


def test_no_result_stops(work, monkeypatch):
    (work / "rede.korrigiert.txt").unlink()
    with pytest.raises(SystemExit, match="Keine korrigierte Abschrift"):
        run_main(monkeypatch, work, "--ja")


def test_existing_different_target_is_never_overwritten(work, tmp_path, monkeypatch):
    (tmp_path / "fertig").mkdir()
    (tmp_path / "fertig" / "rede.txt").write_text("Anderer Text\n", encoding="utf-8")
    with pytest.raises(SystemExit, match="mit anderem Text"):
        run_main(monkeypatch, work, "--ja")
    assert (tmp_path / "fertig" / "rede.txt").read_text(encoding="utf-8") == "Anderer Text\n"
    assert work.is_dir()


def test_without_source_header_names_the_file(work, tmp_path, monkeypatch, capsys):
    (work / "rede.quelle.json").unlink()
    run_main(monkeypatch, work, "--ja")
    finished = (tmp_path / "fertig" / "rede.txt").read_text(encoding="utf-8")
    assert finished.startswith("Datei: rede.korrigiert.txt\nAbgeschlossen: ")
    assert "keine Quellenangabe" in capsys.readouterr().out


def test_every_excerpt_is_finished(work, tmp_path, monkeypatch):
    (work / "rede_ab_00-05-00.korrigiert.txt").write_text("[00:05:00 - 00:06:00]\n\nB.\n")
    run_main(monkeypatch, work, "--ja")
    assert (tmp_path / "fertig" / "rede.txt").is_file()
    assert (tmp_path / "fertig" / "rede_ab_00-05-00.txt").read_text().endswith(
        "[00:05:00 - 00:06:00]\n\nB.\n"
    )


def test_foreign_file_prevents_deletion(work, tmp_path, monkeypatch, capsys):
    (work / "notizen.docx").write_bytes(b"x")
    run_main(monkeypatch, work, "--ja")
    assert work.is_dir()
    assert (tmp_path / "fertig" / "rede.txt").is_file()
    assert "Fremde Datei: notizen.docx" in capsys.readouterr().out


@pytest.mark.parametrize("protected", ["testdaten", "glossare", "tests", "fertig"])
def test_protected_folders_are_never_deleted(tmp_path, monkeypatch, capsys, protected):
    monkeypatch.chdir(tmp_path)
    folder = tmp_path / protected / "rede"
    folder.mkdir(parents=True)
    (folder / "rede.korrigiert.txt").write_text(TEXT, encoding="utf-8")
    run_main(monkeypatch, folder, "--ja", "--ziel", tmp_path / "ziel")
    assert folder.is_dir()
    assert f"„{protected}“, das nie gelöscht wird" in capsys.readouterr().out


def test_current_directory_is_never_deleted(tmp_path, monkeypatch, capsys):
    monkeypatch.chdir(tmp_path)
    (tmp_path / "rede.korrigiert.txt").write_text(TEXT, encoding="utf-8")
    run_main(monkeypatch, ".", "--ja")
    assert (tmp_path / "rede.korrigiert.txt").is_file()
    assert "Aufrufverzeichnis" in capsys.readouterr().out


def test_video_glossary_entries_not_shared_are_listed(work, tmp_path, monkeypatch, capsys):
    (work / "rede.glossar.txt").write_text(
        "Kremmel => Kreml\nNetano => Netanjahu\nEgon Bahr\nMoskau\n", encoding="utf-8"
    )
    (tmp_path / "glossare").mkdir()
    (tmp_path / "glossare" / "gemeinsam.glossar.txt").write_text(
        "Kremmel => Kreml\nMoskau\n", encoding="utf-8"
    )
    run_main(monkeypatch, work, "--ja")
    out = capsys.readouterr().out
    listed = out.split("gemeinsames übernehmen:")[1].split("\n\n")[0]
    assert "Netano => Netanjahu" in listed and "Egon Bahr" in listed
    assert "Kremmel" not in listed and "Moskau" not in listed


def test_missing_folder(tmp_path, monkeypatch, capsys):
    with pytest.raises(SystemExit):
        run_main(monkeypatch, tmp_path / "fehlt")
    assert "Ordner nicht gefunden" in capsys.readouterr().err