import os
import tempfile
from datetime import datetime


def test_save_transcript_creates_file():
    with tempfile.TemporaryDirectory() as tmpdir:
        from output import save_transcript
        path = save_transcript(
            title="Test Aufnahme",
            content="Dies ist ein Test.",
            output_dir=tmpdir,
            dt=datetime(2026, 4, 1, 14, 32, 0),
        )
        assert os.path.exists(path)


def test_save_transcript_filename_format():
    with tempfile.TemporaryDirectory() as tmpdir:
        from output import save_transcript
        path = save_transcript(
            title="Mein erstes Diktat",
            content="Inhalt.",
            output_dir=tmpdir,
            dt=datetime(2026, 4, 1, 14, 32, 0),
        )
        assert os.path.basename(path) == "2026-04-01-1432-mein-erstes-diktat.md"


def test_save_transcript_contains_frontmatter():
    with tempfile.TemporaryDirectory() as tmpdir:
        from output import save_transcript
        path = save_transcript(
            title="Test",
            content="Inhalt.",
            output_dir=tmpdir,
            dt=datetime(2026, 4, 1, 14, 32, 0),
        )
        text = open(path).read()
        assert "---" in text
        assert "date:" in text
        assert "transkript" in text


def test_save_transcript_contains_content():
    with tempfile.TemporaryDirectory() as tmpdir:
        from output import save_transcript
        path = save_transcript(
            title="Test",
            content="Das ist der Inhalt.",
            output_dir=tmpdir,
            dt=datetime(2026, 4, 1, 14, 32, 0),
        )
        assert "Das ist der Inhalt." in open(path).read()


def test_slugify():
    from output import slugify
    assert slugify("Mein erstes Diktat") == "mein-erstes-diktat"
    assert slugify("test  --  foo") == "test-foo"