"""Offline Chromium tests of real Hope assets; no NAS or live provider."""
from pathlib import Path
from urllib.parse import urlparse, parse_qs
from playwright.sync_api import sync_playwright, expect

ROOT = Path(__file__).resolve().parents[2]


def fixture(page, replay=False):
    calls, streams = [], []
    conversation = dict(id='c1', title='A saved thought', workspace_id=None, pinned=False, revision=1, archived=False)
    original = dict(id='m1', role='user', content='Original question', status='completed')
    conversations, messages = {'c1': conversation}, {'c1': [original]}
    preferences = dict(palette='opal', appearance='light', revision=1)
    def route(r):
        path, method = urlparse(r.request.url).path, r.request.method
        body = r.request.post_data_json if r.request.post_data else {}
        calls.append((method, path, body))
        if path == '/api/auth/me': data = {'user': dict(id='alice', username='alice', role='user', status='ready')}
        elif path == '/voices': data = {'voices': []}
        elif path == '/api/capabilities': data = {'version':1,'features':{}}
        elif path == '/api/preferences':
            if method == 'PUT': preferences.update(body); preferences['revision'] += 1
            data = {'preferences': preferences}
        elif path == '/api/workspaces': data = {'workspaces': [dict(id='w1',name='Writing',revision=1,instructions='Keep it concise')]}
        elif path == '/api/sync': data = {'changes':[{'kind':'conversation','id':'c1','data':conversations['c1']},{'kind':'preferences','data':preferences}], 'cursor':1}
        elif path == '/api/conversations':
            if method == 'POST':
                conversations['c2'] = dict(conversation, id='c2', title=body['title']); messages['c2'] = []
                data = {'conversation': conversations['c2']}
            else: data = {'conversations': [c for c in conversations.values() if c['archived'] == (parse_qs(urlparse(r.request.url).query).get('archived',['false'])[0] == 'true')], 'next_cursor': None}
        elif path.endswith('/events'):
            streams.append(r.request.url)
            message = 'id: 1\nevent: message\ndata: {"message":{"id":"a1","role":"assistant","content":"## Answer\\n| Name | Value |\\n| --- | --- |\\n| <img src=x> | **safe** |\\n**Safe** and `clear`.\\n<script>window.injected=true</script>\\n[bad](javascript:alert(1))","status":"completed"}}\n\n'
            done = 'id: 2\nevent: done\ndata: {"run":{"id":"r1","status":"completed"}}\n\n'
            r.fulfill(body=message if replay and len(streams) == 1 else message + done, content_type='text/event-stream'); return
        elif path.endswith('/messages'):
            cid = path.split('/')[3]; message = dict(id='u2', role='user', content=body['content'], status='completed'); messages[cid].append(message)
            data = {'message':message,'run':{'id':'r1','status':'running'}}
        elif path.endswith('/branch') and method == 'POST':
            conversations['branch'] = dict(conversation, id='branch', title='New branch'); messages['branch'] = []
            data = {'conversation':conversations['branch']}
        elif path.startswith('/api/conversations/'):
            cid = path.split('/')[3]
            if method == 'DELETE': del conversations[cid]; data = {'ok':True}
            elif method == 'PATCH': conversations[cid].update(body); conversations[cid]['revision'] += 1; data = {'conversation':conversations[cid]}
            else: data = {'conversation':conversations[cid],'messages':messages[cid],'runs':[],'next_cursor':None}
        elif path == '/api/auth/logout': data = {'ok':True}
        else:
            asset = ROOT / 'web' / (path.lstrip('/') or 'index.html')
            if asset.is_file():
                r.fulfill(body=asset.read_bytes(), content_type={'.html':'text/html','.css':'text/css','.js':'application/javascript','.svg':'image/svg+xml'}.get(asset.suffix,'application/octet-stream')); return
            r.fulfill(status=404,json={'error':'Unavailable'}); return
        r.fulfill(json=data)
    page.route('https://hope.test/**', route)
    return calls, streams, conversations, messages


def test_chat_crud_replay_safe_markdown_and_preserved_branches():
    with sync_playwright() as p:
        browser = p.chromium.launch(headless=True)
        page = browser.new_page(viewport={'width':1280,'height':900})
        errors=[]; page.on('pageerror',lambda error: errors.append(str(error)))
        calls, streams, conversations, messages = fixture(page, replay=True)
        page.goto('https://hope.test/'); page.wait_for_load_state('networkidle')
        page.get_by_role('button',name='A saved thought',exact=True).click()
        expect(page.locator('#chatTimeline')).to_contain_text('Original question')
        page.locator('#pinConversation').click(); expect(page.locator('#pinConversation')).to_have_text('Unpin')
        page.locator('#primaryInput').fill('A new question'); page.locator('#primarySend').click()
        expect(page.locator('#chatTimeline')).to_contain_text('Answer')
        expect(page.locator('#primaryInput')).to_be_enabled(timeout=10000)
        assert len(streams) == 2 and streams[-1].endswith('after=1')
        assert page.locator('[data-message-id="a1"]').count() == 1
        assert page.locator('#chatTimeline table').count() == 1
        assert page.locator('#chatTimeline img').count() == 0
        assert page.locator('#chatTimeline script').count() == 0
        assert page.locator('#chatTimeline a[href^="javascript:"]').count() == 0
        assert page.evaluate('window.injected') is None
        assert not any(path == '/token' for _,path,_ in calls)
        page.get_by_role('button',name='Edit in new branch').first.click()
        page.locator('#chatActionValue').fill('Revised question'); page.locator('#chatActionSave').click()
        expect(page.locator('#chatTitle')).to_have_text('New branch')
        expect(page.locator('#chatTimeline')).to_contain_text('Revised question')
        assert messages['c1'][0]['content'] == 'Original question'
        page.locator('#openPreferences').click(); page.locator('#paletteSelect').select_option('ocean')
        page.get_by_role('button',name='Save appearance').click(); expect(page.locator('html')).to_have_attribute('data-palette','ocean')
        page.locator('#closePreferences').click(); page.screenshot(path='/tmp/hope-chat-desktop.png')
        page.locator('#deleteConversation').click(); page.locator('#chatActionSave').click()
        expect(page.locator('#chatTitle')).to_have_text('New chat'); assert 'branch' not in conversations
        assert errors == []
        browser.close()


def test_mobile_drawer_keyboard_voice_and_logout():
    with sync_playwright() as p:
        browser = p.chromium.launch(headless=True)
        page = browser.new_page(viewport={'width':390,'height':844}); fixture(page)
        page.goto('https://hope.test/'); page.wait_for_load_state('networkidle')
        page.locator('#drawerOpen').click(); expect(page.locator('#drawerOpen')).to_have_attribute('aria-expanded','true')
        page.keyboard.press('Escape'); expect(page.locator('#drawerOpen')).to_be_focused()
        page.locator('#drawerOpen').click(); page.locator('#openVoice').click()
        expect(page.locator('#startBtn')).to_be_visible(); expect(page.locator('#settingsBtn')).to_be_visible()
        page.locator('#backToChat').click(); expect(page.locator('#primaryChat')).to_be_visible()
        page.evaluate("window.dispatchEvent(new CustomEvent('hope:voice-state',{detail:{active:true}}))")
        expect(page.locator('#primaryInput')).to_be_disabled()
        page.evaluate("window.dispatchEvent(new CustomEvent('hope:voice-state',{detail:{active:false}}))")
        expect(page.locator('#primaryInput')).to_be_enabled()
        page.wait_for_function("document.getElementById('chatSidebar').getBoundingClientRect().right <= 0")
        page.screenshot(path='/tmp/hope-chat-mobile.png')
        assert page.evaluate('document.documentElement.scrollWidth <= innerWidth')
        page.locator('#drawerOpen').click(); page.locator('#openVoice').click(); page.locator('#logoutBtn').click()
        expect(page.locator('#loginGate')).to_be_visible()
        assert 'Original question' not in page.locator('#chatTimeline').inner_text()
        browser.close()


def test_archived_move_sync_conflict_and_mobile_actions():
    with sync_playwright() as p:
        browser = p.chromium.launch(headless=True)
        page = browser.new_page(viewport={'width':390,'height':844})
        calls, streams, conversations, messages = fixture(page)
        page.goto('https://hope.test/'); page.wait_for_load_state('networkidle')
        expect(page.locator('#conversationMenu')).to_be_hidden()
        page.locator('#drawerOpen').click(); page.get_by_role('button',name='A saved thought',exact=True).click()
        page.locator('#conversationMenu').click(); expect(page.locator('#moveConversation')).to_be_visible()
        page.locator('#moveConversation').click(); page.locator('#chatWorkspaceSelect').select_option('w1'); page.locator('#chatActionSave').click()
        expect(page.locator('#chatActionDialog')).not_to_be_visible()
        assert conversations['c1']['workspace_id'] == 'w1'
        conversations['c1'].update(title='Changed elsewhere', revision=4)
        page.evaluate("document.dispatchEvent(new Event('visibilitychange'))")
        expect(page.locator('#chatTitle')).to_have_text('Changed elsewhere')
        page.locator('#conversationMenu').click(); page.locator('#archiveConversation').click(); page.locator('#chatActionSave').click()
        expect(page.locator('#chatTitle')).to_have_text('New chat')
        page.locator('#drawerOpen').click(); page.locator('#showArchived').click()
        page.get_by_role('button',name='Changed elsewhere',exact=True).click()
        page.locator('#conversationMenu').click(); expect(page.locator('#archiveConversation')).to_have_text('Unarchive')
        page.locator('#archiveConversation').click(); page.locator('#chatActionSave').click()
        expect(page.locator('#chatTitle')).to_have_text('New chat')
        assert conversations['c1']['archived'] is False
        # A stale optimistic write refreshes rather than overwriting another client's title.
        page.locator('#drawerOpen').click(); page.locator('#showArchived').click()
        page.get_by_role('button',name='Changed elsewhere',exact=True).click()
        def conflict(route):
            if route.request.method == 'PATCH':
                conversations['c1'].update(title='Newest revision',revision=9)
                route.fulfill(status=409,json={'error':'Stale revision'})
            else: route.fallback()
        page.route('https://hope.test/api/conversations/c1', conflict)
        page.locator('#conversationMenu').click(); page.locator('#pinConversation').click()
        expect(page.locator('#chatTitle')).to_have_text('Newest revision')
        expect(page.locator('#chatNotice')).to_contain_text('Conversation refreshed')
        browser.close()