"""Deterministic P0 stabilization regression tests (no external services)."""
import json
import time
from pathlib import Path
from bs4 import BeautifulSoup
from fastapi.testclient import TestClient
from app import db, builder
from app.main import app
from app.preview_rewrite import rewrite_preview_html
from app.version import VERSION
from app.worker import heartbeat
from app.worker_health import healthy


def test_preview_rewrites_only_internal_root_links():
    old='''<html><head><base href="/"></head><body><a href="/products/">Products</a>
    <img src="/assets/example.png"><form action="/contact/"></form>
    <video poster="/media/poster.jpg"></video><a href="//cdn.example/image"></a>
    <a href="https://outside.example/about/"></a><a href="#part"></a>
    <a href="/preview/s1/b1/old/">Old</a></body></html>'''
    new=rewrite_preview_html(old,'s1','b1')
    soup=BeautifulSoup(new,'html.parser')
    assert soup.base['href']=='/preview/s1/b1/'
    assert soup.find('a',string='Products')['href']=='/preview/s1/b1/products/'
    assert soup.img['src']=='/preview/s1/b1/assets/example.png'
    assert soup.form['action']=='/preview/s1/b1/contact/'
    assert soup.video['poster']=='/preview/s1/b1/media/poster.jpg'
    assert soup.select('a[href="//cdn.example/image"]')
    assert soup.select('a[href="https://outside.example/about/"]')
    assert soup.select('a[href="#part"]')
    assert soup.select('a[href="/preview/s1/b1/old/"]')
    assert 'href="/preview/s1/b1/preview/s1/b1/"' not in new


def test_preview_does_not_modify_static_files(monkeypatch,tmp_path):
    monkeypatch.setattr(db,'DATA',tmp_path)
    monkeypatch.setattr(db,'DB_FILE',tmp_path/'siteforge.sqlite3')
    monkeypatch.setenv('SITEFORGE_ADMIN_PASSWORD','test-p0-password-12345')
    monkeypatch.setenv('SITEFORGE_SESSION_SECRET','test-p0-long-session-secret-value-123456')
    with TestClient(app) as client:
        assert client.get('/favicon.ico').status_code==200
        health=client.get('/api/health').json()
        assert health['version']==VERSION
        assert isinstance(health['commit'],str) and health['commit']
        assert client.post('/api/auth/login',json={'password':'test-p0-password-12345'}).status_code==200
        client.headers['X-SiteForge-CSRF']=client.get('/api/auth/me').json()['csrf']
        site=client.post('/api/sites',json={'name':'Preview Test','theme':'industrial'}).json()
        sid=site['id']
        built=builder.build(sid)['version']
        root=tmp_path/'builds'/sid/built/'dist'
        # Inject a link into an immutable build for precise comparison.
        f=root/'index.html'
        content=f.read_text(encoding='utf-8').replace('</body>','<a href="/products/">go to products</a></body>')
        f.write_text(content,encoding='utf-8')
        res=client.get(f'/preview/{sid}/{built}/')
        assert res.status_code==200
        s=BeautifulSoup(res.text,'html.parser')
        assert s.find('a',string='go to products')['href']==f'/preview/{sid}/{built}/products/'
        assert client.get(f'/preview/{sid}/{built}/products/').status_code==200
        assert 'href="/products/"' in f.read_text(encoding='utf-8')
        # Content types / 404 still preserved.
        assert client.get(f'/preview/{sid}/{built}/does-not-exist/').status_code==404


def test_worker_probe_does_not_depend_on_web(monkeypatch,tmp_path):
    monkeypatch.setattr(db,'DATA',tmp_path)
    assert not healthy(tmp_path/'worker-heartbeat')
    heartbeat()
    assert healthy(tmp_path/'worker-heartbeat')
    assert not healthy(tmp_path/'worker-heartbeat',max_age=0)
    import os
    old=time.time()-120
    os.utime(tmp_path/'worker-heartbeat',(old,old))
    assert not healthy(tmp_path/'worker-heartbeat',max_age=45)


def test_worker_compose_reuses_image_and_has_own_healthcheck():
    import yaml
    root=Path(__file__).resolve().parents[1]
    for config in ('compose.yaml','compose.enterprise.yaml'):
        comp=yaml.safe_load((root/config).read_text(encoding='utf-8'))
        web=comp['services']['siteforge']
        worker=comp['services']['worker']
        assert web['image']==worker['image']
        assert 'build' in web and 'build' not in worker
        assert 'app.worker_health' in worker['healthcheck']['test']
        assert 'http://127.0.0.1:8787/api/health' not in str(worker['healthcheck'])