"""Tests for the .docx export module."""

from __future__ import annotations

from pathlib import Path

from docx import Document

from cheddahbot.docx_export import text_to_docx

SAMPLE_PR = (
    "Acme Corp Expands Digital Marketing Services Nationwide\n"
    "\n"
    "NEW YORK, Feb 16, 2026 -- Acme Corp, a leader in digital marketing\n"
    "solutions, today announced the expansion of its services to all 50 states.\n"
    "\n"
    "The company has been operating in the Northeast for the past decade and is\n"
    "now bringing its full suite of SEO, content marketing, and paid advertising\n"
    "services to clients across the country.\n"
    "\n"
    '"We are thrilled to bring our proven approach to businesses nationwide,"\n'
    "said Jane Smith, CEO of Acme Corp.\n"
    "\n"
    "For more information, visit www.acmecorp.com.\n"
)


def test_text_to_docx_creates_file(tmp_path: Path):
    """Verify .docx file is created at the expected path."""
    out = tmp_path / "test.docx"
    result = text_to_docx(SAMPLE_PR, out)

    assert result == out
    assert out.exists()
    assert out.stat().st_size > 0


def test_text_to_docx_headline_is_bold(tmp_path: Path):
    """First paragraph should be the headline with bold formatting."""
    out = tmp_path / "test.docx"
    text_to_docx(SAMPLE_PR, out)

    doc = Document(str(out))
    headline_para = doc.paragraphs[0]
    assert headline_para.runs[0].bold is True
    assert "Acme Corp Expands" in headline_para.text


def test_text_to_docx_body_paragraphs(tmp_path: Path):
    """Body text should be split into multiple paragraphs."""
    out = tmp_path / "test.docx"
    text_to_docx(SAMPLE_PR, out)

    doc = Document(str(out))
    # Headline + 4 body paragraphs
    assert len(doc.paragraphs) >= 4


def test_text_to_docx_empty_text(tmp_path: Path):
    """Empty input should still produce a valid .docx."""
    out = tmp_path / "empty.docx"
    text_to_docx("", out)

    assert out.exists()
    doc = Document(str(out))
    assert len(doc.paragraphs) == 0


def test_text_to_docx_creates_parent_dirs(tmp_path: Path):
    """Should create parent directories if they don't exist."""
    out = tmp_path / "sub" / "dir" / "test.docx"
    text_to_docx(SAMPLE_PR, out)

    assert out.exists()