"""The scaffold: it has to produce a project that builds conforming pages."""

import shutil
import subprocess

import pytest

from mews.lint import validate_file
from mews.quickstart import main, scaffold

EXPECTED = [
    "pyproject.toml",
    "pelicanconf.py",
    "content/first-post.md",
    "theme/templates/base.html",
    "theme/templates/index.html",
    "theme/templates/article.html",
    "theme/templates/page.html",
    "README.md",
]


def test_it_writes_a_whole_project(tmp_path):
    scaffold(tmp_path / "site", "Signal Bars", "Tobias")
    for name in EXPECTED:
        assert (tmp_path / "site" / name).is_file(), name


def test_the_settings_are_valid_python(tmp_path):
    scaffold(tmp_path / "site", "Signal Bars", "Tobias")
    settings: dict = {}
    exec(
        compile((tmp_path / "site" / "pelicanconf.py").read_text(), "c", "exec"),
        settings,
    )
    assert settings["SITENAME"] == "Signal Bars"
    assert settings["PLUGINS"] == ["pelican.plugins.mews"]
    # A site that is Mews throughout writes plain .html: servers send that as
    # text/html (section 7.1) and index.html is the directory index everywhere.
    # The suffix the plugin acts on has to agree with where pages are saved.
    assert settings["MEWS_SUFFIX"] == ".html"
    assert settings["ARTICLE_SAVE_AS"].endswith(".html")
    assert settings["PAGE_SAVE_AS"].endswith(".html")
    # Pelican falls back to its own HTML for any direct template the theme
    # lacks, and with .html the plugin would choke on it.
    assert settings["DIRECT_TEMPLATES"] == ["index"]
    assert settings["MARKDOWN"]["output_format"] == "xhtml"


def test_it_refuses_a_directory_with_something_in_it(tmp_path, capsys):
    (tmp_path / "site").mkdir()
    (tmp_path / "site" / "keep.txt").write_text("mine")
    assert main([str(tmp_path / "site"), "--no-install"]) == 1
    assert (tmp_path / "site" / "keep.txt").read_text() == "mine"


@pytest.mark.skipif(shutil.which("uv") is None, reason="uv is not installed")
@pytest.mark.slow
def test_the_scaffolded_site_builds_conforming_pages(tmp_path):
    """The whole point: pelican runs and what it writes passes the validator."""
    site = tmp_path / "site"
    assert main([str(site), "--title", "Signal Bars"]) == 0
    built = subprocess.run(
        [shutil.which("uv"), "run", "pelican", "content"],
        cwd=site,
        capture_output=True,
        text=True,
        check=False,
    )
    assert built.returncode == 0, built.stderr
    pages = sorted((site / "output").glob("*.html"))
    assert [p.name for p in pages] == ["first-post.html", "index.html"]
    for page in pages:
        report = validate_file(str(page))
        assert report.conforms, "\n".join(str(f) for f in report.failures)
    # Section 6.1: the index has to be subscribable.
    index = (site / "output" / "index.html").read_text()
    assert '<li><a href="first-post.html">' in index