"""Regression tests for V4: theme layouts, migration audit, assembly, WXR.
No external HTTP/DNS or Docker engine required.
"""
import io,json,zipfile
from pathlib import Path
from html import escape
from openpyxl import Workbook
from app import db,blueprints,theme_store,migration_audit,wordpress_compat
from test_factory_v2 import factory,site


def test_nested_grid_validates_and_builds(factory):
    sid=site(factory)
    home=next(x for x in factory.get(f'/api/sites/{sid}/entries').json() if x['route']=='/')
    layout=blueprints.new_block('layout',{'columns':[
        {'width':2,'blocks':[blueprints.new_block('richtext',{'title':'品牌故事','body':'<p>我们的企业介绍</p>'})]},
        {'width':1,'blocks':[blueprints.new_block('cta',{'title':'欢迎合作','href':'/contact/'})]}]})
    result=factory.put(f'/api/sites/{sid}/pages/{home["id"]}/blueprint',json={'blocks':[layout],
                    'page_template':'home','layout_mode':'replace'})
    assert result.status_code==200,result.text
    assert result.json()['layout_mode']=='replace'
    preview=factory.post(f'/api/sites/{sid}/pages/{home["id"]}/editor-preview',json={'blocks':[layout],'page_template':'home','layout_mode':'replace'})
    assert preview.status_code==200,preview.text
    assert '品牌故事' in preview.text and 'sf-layout-grid' in preview.text and 'pro-header' in preview.text
    version=factory.post(f'/api/sites/{sid}/builds',json={}).json()['version']
    published=factory.get(f'/preview/{sid}/{version}/').text
    assert '品牌故事' in published and 'sf-layout-grid' in published and 'pro-header' in published
    css=factory.get(f'/preview/{sid}/{version}/assets/blocks.css').text
    assert '@media(max-width:540px)' in css


def test_layout_rejects_duplicate_and_nested_excess(factory):
    a=blueprints.new_block('richtext');b=blueprints.new_block('richtext');b['id']=a['id']
    bad=blueprints.new_block('layout',{'columns':[{'width':1,'blocks':[a,b]}]})
    try:blueprints.validate_blocks([bad]);assert False,'duplicate should be rejected'
    except ValueError:pass
    nested=blueprints.new_block('layout');child=blueprints.new_block('layout');grand=blueprints.new_block('layout')
    child['columns'][0]['blocks']=[grand];nested['columns'][0]['blocks']=[child]
    try:blueprints.validate_blocks([nested]);assert False,'deep nesting should be rejected'
    except ValueError:pass


def test_wordpress_elementor_media_taxonomy_and_woo_gallery(factory):
    sid=site(factory)
    widgets=json.dumps([{'widgetType':'heading','settings':{'title':'核心价值','header_size':'h2'}},
        {'widgetType':'image','settings':{'image':{'url':'https://img.example/media.jpg'}}},
        {'widgetType':'unknown_plugin_widget','settings':{'value':'secret'}}],ensure_ascii=False)
    wxr='''<?xml version="1.0"?><rss xmlns:wp="http://wordpress.org/export/1.2/" xmlns:content="http://purl.org/rss/1.0/modules/content/" version="2.0"><channel>
    <item><title>图片</title><wp:post_type>attachment</wp:post_type><wp:post_id>12</wp:post_id><wp:attachment_url>https://img.example/cover.jpg</wp:attachment_url></item>
    <item><title>产品A</title><link>https://wp.example/product/test-a/</link><wp:post_type>product</wp:post_type><wp:status>publish</wp:status><content:encoded></content:encoded>
      <category domain="product_cat">运动型多用途车</category>
      <wp:postmeta><wp:meta_key>_thumbnail_id</wp:meta_key><wp:meta_value>12</wp:meta_value></wp:postmeta>
      <wp:postmeta><wp:meta_key>_product_image_gallery</wp:meta_key><wp:meta_value>12</wp:meta_value></wp:postmeta>
      <wp:postmeta><wp:meta_key>_elementor_data</wp:meta_key><wp:meta_value><![CDATA['''+widgets+''']]></wp:meta_value></wp:postmeta>
      <wp:postmeta><wp:meta_key>_price</wp:meta_key><wp:meta_value>1200</wp:meta_value></wp:postmeta>
    </item></channel></rss>'''
    response=factory.post(f'/api/sites/{sid}/import',files={'file':('export.xml',wxr.encode(),'application/xml')})
    assert response.status_code==200,response.text
    item=next(x for x in factory.get(f'/api/sites/{sid}/entries').json() if x['title']=='产品A')
    assert item['cover']=='https://img.example/cover.jpg'
    assert item['meta']['fields']['category']=='运动型多用途车'
    assert item['meta']['fields']['price']=='1200'
    assert '核心价值' in item['body']
    assert item['meta']['migration_warnings']
    assert item['meta']['fields']['gallery']==['https://img.example/cover.jpg']


def test_excel_mapping_relations_preview_and_repeat(factory):
    sid=site(factory)
    w=Workbook();ws=w.active;ws.append(['车型名称','品牌','分类','动力形式','图库','原网址'])
    ws.append(['SUV Alpha','Hesu','SUV','PHEV','https://img.example/1.jpg;https://img.example/2.jpg','/cars/alpha.html'])
    b=io.BytesIO();w.save(b)
    r=factory.post(f'/api/factory/sites/{sid}/mapping/parse-file',files={'file':('cars.xlsx',b.getvalue())})
    assert r.status_code==200,r.text
    parsed=r.json();assert parsed['count']==1
    assert parsed['suggested']['title']=='车型名称'
    report=factory.post(f'/api/factory/sites/{sid}/mapping/run',json={'rows':parsed['rows'],
       'rules':{**parsed['suggested'],'gallery':'图库'},'content_type':'vehicle','dry_run':True}).json()
    assert report['mapped']==1 and report['sample'][0]['route']=='/cars/alpha.html'
    committed=factory.post(f'/api/factory/sites/{sid}/mapping/run',json={'rows':parsed['rows'],
       'rules':{**parsed['suggested'],'gallery':'图库'},'content_type':'vehicle','dry_run':False})
    assert committed.status_code==200
    x=factory.get(f'/api/factory/sites/{sid}/relationships').json()
    assert any(i['brand']=='Hesu' for i in x['brand_pages_missing'])
    y=factory.post(f'/api/factory/sites/{sid}/relationships/assemble').json()
    assert y['count']==1
    assert factory.post(f'/api/factory/sites/{sid}/relationships/assemble').json()['count']==0
    entries=factory.get(f'/api/sites/{sid}/entries').json()
    assert any(e['type']=='brand' and e['title']=='Hesu' for e in entries)
    assert next(e for e in entries if e['title']=='SUV Alpha')['meta']['fields']['gallery']==['https://img.example/1.jpg','https://img.example/2.jpg']
    for theme in ('industrial','corporate','minimal'):
        assert factory.put(f'/api/factory/sites/{sid}/theme',json={'theme':theme}).status_code==200
        version=factory.post(f'/api/sites/{sid}/builds',json={}).json()['version']
        assert 'SUV Alpha' in factory.get(f'/preview/{sid}/{version}/cars/alpha.html').text


def test_migration_manifest_and_built_qa_blocks_missing(factory):
    sid=site(factory,mode='migration')
    baseline='url,seo_title,description,canonical,status\nhttps://old.example/,Title from old,Old description,,200\nhttps://old.example/legacy-only.html,Missing,,,200\n'
    r=factory.post(f'/api/audit/sites/{sid}/import-baseline',files={'file':('urls.csv',baseline.encode())})
    assert r.status_code==200,r.text
    assert r.json()['imported']==2
    version=factory.post(f'/api/sites/{sid}/builds',json={}).json()['version']
    report=factory.get(f'/api/audit/sites/{sid}/builds/{version}/report').json()
    assert not report['passed'] and report['errors']>=1
    assert any(i['route']=='/legacy-only.html' and i['field']=='url' for i in report['issues'])
    assert any(i['route']=='/' and i['severity']=='warning' for i in report['issues'])
    readiness=factory.get(f'/api/factory/sites/{sid}/migration/readiness?build_id={version}').json()
    assert not readiness['can_publish']
    csv=factory.get(f'/api/audit/sites/{sid}/builds/{version}/report.csv')
    assert csv.status_code==200 and 'legacy-only.html' in csv.text


def test_sitemap_import_and_invalid_baseline_atomic(factory):
    sid=site(factory,mode='migration')
    xml='''<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><url><loc>https://old.example/about/</loc></url></urlset>'''
    assert factory.post(f'/api/audit/sites/{sid}/import-baseline',files={'file':('sitemap.xml',xml.encode())}).json()['imported']==1
    bad='url\nhttps://old.example/about/\nhttps://old.example/about/?page=5\n'
    response=factory.post(f'/api/audit/sites/{sid}/import-baseline',files={'file':('bad.csv',bad.encode())})
    assert response.status_code==200 and response.json()['errors']
    baseline=factory.get(f'/api/enterprise/sites/{sid}/baseline/report').json()
    assert baseline['baseline_count']==1


def test_theme_gallery_and_compatibility(factory):
    sid=site(factory)
    for theme in ('automotive','industrial','corporate','minimal'):
        r=factory.get(f'/api/factory/themes/{theme}/compatibility')
        assert r.status_code==200 and r.json()['valid'],r.text
    product=factory.post(f'/api/sites/{sid}/entries',json={'title':'Unique Product','type':'product','route':'/product/unique/',
               'cover':'https://imgs.example/cover.jpg','meta':{'fields':{'gallery':['https://imgs.example/cover.jpg','https://imgs.example/second.jpg']}}})
    assert product.status_code in (200,201),product.text
    ver=factory.post(f'/api/sites/{sid}/builds',json={}).json()['version']
    html=factory.get(f'/preview/{sid}/{ver}/product/unique/').text
    assert 'pro-gallery-thumbs' in html and 'data-gallery-image' in html
    assert 'auto-compiled.js' in html or 'pro.js' in html


def test_css_style_breakout_rejected(factory):
    z=io.BytesIO()
    with zipfile.ZipFile(z,'w') as f:
        data={'id':'test-css-escape','version':'1.0.0','name':'Safe Test','layout_family':'corporate'}
        f.writestr('manifest.json',json.dumps(data));f.writestr('page-presets.json',json.dumps({'home':[]}))
        f.writestr('theme.css','body{color:red}</style><script>alert(1)</script>')
    result=factory.post('/api/factory/themes/install',files={'file':('unsafe.zip',z.getvalue())})
    assert result.status_code==400

def test_migration_warning_requires_explicit_review(factory):
    sid=site(factory,mode='migration')
    source='url,seo_title\nhttps://old.example/,Old SEO Title\n'
    factory.post(f'/api/audit/sites/{sid}/import-baseline',files={'file':('old.csv',source.encode())})
    build=factory.post(f'/api/sites/{sid}/builds',json={}).json()['version']
    current=factory.get(f'/api/audit/sites/{sid}/builds/{build}/report').json()
    warnings=[i for i in current['issues'] if i['severity']=='warning' and i['field']=='title']
    assert warnings and current['unreviewed_warnings']>=1
    readiness=factory.get(f'/api/factory/sites/{sid}/migration/readiness?build_id={build}').json()
    assert not readiness['can_publish']
    assert any('未经审核' in x['message'] for x in readiness['gates'])
    denied=factory.post(f'/api/audit/sites/{sid}/builds/{build}/review-warning',json={
       'issue_id':warnings[0]['issue_id'],'reason':'短'});
    assert denied.status_code==400
    accepted=factory.post(f'/api/audit/sites/{sid}/builds/{build}/review-warning',json={
       'issue_id':warnings[0]['issue_id'],'reason':'企业管理人员已经核查该 SEO 标题调整，并批准本构建中的改动。'})
    assert accepted.status_code==200,accepted.text
    after=factory.get(f'/api/audit/sites/{sid}/builds/{build}/report').json()
    assert after['unreviewed_warnings']==0
    next_gate=factory.get(f'/api/factory/sites/{sid}/migration/readiness?build_id={build}').json()
    assert not any('未经审核' in x['message'] for x in next_gate['gates'])
    # Unrelated broken links may still correctly block publication.


def test_site_scoped_reusable_block_library(factory):
    first=site(factory); second=site(factory)
    block=blueprints.new_block('layout',{'columns':[{'width':1,'blocks':[blueprints.new_block('richtext',{'title':'跨页面共用模块'})]}]})
    created=factory.post(f'/api/sites/{first}/components',json={'name':'品牌单列布局','block':block})
    assert created.status_code==200,created.text
    cid=created.json()['id']
    rows=factory.get(f'/api/sites/{first}/components').json()
    assert len(rows)==1 and rows[0]['block']['columns'][0]['blocks'][0]['title']=='跨页面共用模块'
    assert not factory.get(f'/api/sites/{second}/components').json()
    assert factory.put(f'/api/sites/{first}/components/{cid}',json={'name':'新版', 'expected_version':0,'block':block}).status_code==409
    assert factory.put(f'/api/sites/{first}/components/{cid}',json={'name':'新版', 'expected_version':1,'block':block}).json()['version']==2
    assert factory.delete(f'/api/sites/{first}/components/{cid}').json()['deleted']


def test_contact_form_requires_configured_https_endpoint(factory):
    sid=site(factory)
    assert factory.put(f'/api/sites/{sid}/contact-settings',json={'email':'hello@example.org', 'form_endpoint':'http://unsecure.example/forms'}).status_code==400
    config=factory.put(f'/api/sites/{sid}/contact-settings',json={
        'email':'hello@example.org','form_endpoint':'https://forms.example.org/receive','footer_text':'Official inquiry channel'})
    assert config.status_code==200,config.text
    factory.post(f'/api/factory/sites/{sid}/bootstrap')
    build=factory.post(f'/api/sites/{sid}/builds',json={}).json()['version']
    contact=factory.get(f'/preview/{sid}/{build}/contact/').text
    assert '<form' in contact and 'forms.example.org/receive' in contact
    assert 'Official inquiry channel' in contact