"""Markdown-Export (→ KONZEPT.md 18)."""

import io
import subprocess
import zipfile

import pytest

from test_app import ADMIN, tenant_package, env  # noqa: F401 (Fixture)
from hugin_app import export


def test_export_content(env, tmp_path):
    env.example("pub-munin-nutzen/1.4.0")
    env.example("pub-munin-nutzen/1.5.0")
    tenant_package(env)
    with env.hugin.database.sessions() as s:
        d = export.files(s)
    assert "public/pub-munin-nutzen/1.4.0/referenz/beispiele.md" in d
    assert "public/pub-munin-nutzen/1.5.0/SKILL.md" in d
    assert "shop/shop-intern/1.0.0/RULES.md" in d
    assert b"version: 1.5.0" in d["public/pub-munin-nutzen/1.5.0/hugin.yaml"]
    package_md = d["public/pub-munin-nutzen/PACKAGE.md"].decode()
    assert "| [1.5.0](1.5.0/) | approved | stable | text |" in package_md and "pub-pruefer" in package_md
    index = d["INDEX.md"].decode()
    assert index.index("## Öffentlich") < index.index("## shop")


def test_export_folder_and_git(env, tmp_path):
    env.example("pub-hausregeln/1.0.0")
    target = tmp_path / "export"
    target.mkdir()
    subprocess.run(["git", "init", "-q", str(target)], check=True)
    subprocess.run(["git", "-C", str(target), "config", "user.email", "test@hugin"], check=True)
    subprocess.run(["git", "-C", str(target), "config", "user.name", "Test"], check=True)
    with env.hugin.database.sessions() as s:
        first = export.write(s, target, commit=True)
        second = export.write(s, target, commit=True)
    assert first["written"] > 0 and second == {"written": 0, "unchanged": first["written"], "removed": 0}
    log = subprocess.run(["git", "-C", str(target), "log", "--oneline"], capture_output=True, text=True).stdout
    assert len(log.strip().splitlines()) == 1  # zweiter Lauf ohne Änderung: kein Commit
    (target / "public" / "alt.md").write_text("deprecated")
    with env.hugin.database.sessions() as s:
        assert export.write(s, target)["removed"] == 1


def test_export_protects_foreign_folder(env, tmp_path):
    (tmp_path / "wichtig.txt").write_text("nicht löschen")
    with env.hugin.database.sessions() as s, pytest.raises(ValueError):
        export.write(s, tmp_path)
    assert (tmp_path / "wichtig.txt").exists()


def test_export_as_zip(env):
    env.example("pub-hausregeln/1.0.0")
    assert env.client.get("/api/v1/admin/export", headers=env.h("shop-admin")).status_code == 403
    response = env.client.get("/api/v1/admin/export", headers=ADMIN)
    with zipfile.ZipFile(io.BytesIO(response.content)) as z:
        assert "hugin-export/public/pub-hausregeln/1.0.0/RULES.md" in z.namelist()