"""V8.23 nested authoring contract. These checks execute against the real renderer."""
from pathlib import Path
from bs4 import BeautifulSoup
from app import blueprints
from tests.test_factory import client,create
ROOT=Path(__file__).resolve().parents[1]


def test_nested_ids_are_rendered_and_duplicate_ids_rejected():
    layout=blueprints.new_block('layout')
    child=blueprints.new_block('image_text',{'title':'Subcomponent editing'})
    layout['columns'][0]['blocks']=[child]
    clean=blueprints.validate_blocks([layout]);assert clean[0]['columns'][0]['blocks'][0]['id']==child['id']
    html=blueprints.render_blocks(clean,{}, {},[])
    soup=BeautifulSoup(html,'html.parser')
    assert soup.select_one(f'.sf-layout-grid[data-layout="{layout["id"]}"]')
    assert soup.select_one(f'.sf-layout-column .sf-section[data-block="{child["id"]}"]')
    assert 'onload=' not in html
    layout['columns'][1]['blocks']=[child]
    import pytest
    with pytest.raises(ValueError,match='重复'):blueprints.validate_blocks([layout])


def test_nested_view_is_only_in_draft_editor():
    editor=(ROOT/'app/static/editor.js').read_text(encoding='utf-8')
    bridge=(ROOT/'app/static/studio-canvas-bridge.js').read_text(encoding='utf-8')
    helpers=(ROOT/'app/static/editor-helpers.js').read_text(encoding='utf-8')
    for marker in ('child-select','child-inline-text','child-duplicate','child-delete'):
        assert marker in bridge and marker in editor
    assert 'safeNestedCanvasCommand' in helpers
    assert 'childQuickEditor' in editor and 'setLayoutPreset' in editor
    assert 'event.source!==frame.contentWindow' in editor
    assert 'eval(' not in bridge and 'new Function(' not in bridge
    assert 'studio-canvas-bridge.js' not in (ROOT/'app/builder.py').read_text(encoding='utf-8')


def test_editor_sandbox_keeps_scripts_isolated():
    soup=BeautifulSoup((ROOT/'app/templates/editor.html').read_text(encoding='utf-8'),'html.parser')
    assert soup.select_one('#sitePreview')['sandbox']==['allow-scripts']
    assert soup.select_one('#saveDraftButton')


def test_nested_layout_draft_round_trip(client):
    sid=create(client)
    entries=client.get(f'/api/sites/{sid}/entries').json()
    eid=next(row['id'] for row in entries if row['route']=='/')
    parent=blueprints.new_block('layout')
    child=blueprints.new_block('image_text',{'title':'Nested draft stable'})
    parent['columns'][0]['blocks']=[child]
    uri=f'/api/sites/{sid}/pages/{eid}/studio-draft'
    payload={'blocks':[parent],'page_template':'home','layout_mode':'replace','expected_revision':0}
    put=client.put(uri,json=payload)
    assert put.status_code==200,put.text
    result=client.get(uri).json()
    assert result['blocks'][0]['columns'][0]['blocks'][0]['title']=='Nested draft stable'
    assert result['revision']==1
    assert client.put(uri,json=payload).status_code==409