import asyncio
import io
import pytest
from fastapi import HTTPException, UploadFile
from app.contacts.backend import router_simple
from app.services import contact_mail_ai
from app.services.email_service import EmailService


def test_ai_import_is_review_only_and_preserves_signature_fallback(monkeypatch):
    parsed = {'sender_name':'Ida Hansen','sender_email':'ida@example.com','body_text':'Mobil: 12345678','subject':'Hej'}
    monkeypatch.setattr(EmailService,'parse_eml_file',lambda self,content:parsed)
    async def extract(mail):
        assert mail is parsed
        return {'first_name':'Ida','title':'Konsulent'}
    monkeypatch.setattr(contact_mail_ai,'extract_contact',extract)
    monkeypatch.setattr(router_simple,'execute_insert',lambda *a,**k:pytest.fail('Must not write'))
    result=asyncio.run(router_simple.analyze_email_for_new_contact(UploadFile(filename='test.eml',file=io.BytesIO(b'mail')),use_ai=True))
    assert result['contact']['title']=='Konsulent'
    assert result['contact']['email']=='ida@example.com'


def test_ai_failure_is_explicit(monkeypatch):
    monkeypatch.setattr(EmailService,'parse_eml_file',lambda self,content:{'sender_email':'ida@example.com'})
    async def fail(mail): raise RuntimeError('secret internal details')
    monkeypatch.setattr(contact_mail_ai,'extract_contact',fail)
    with pytest.raises(HTTPException) as error:
        asyncio.run(router_simple.analyze_email_for_new_contact(UploadFile(filename='test.eml',file=io.BytesIO(b'mail')),use_ai=True))
    assert error.value.status_code==502
    assert 'secret' not in error.value.detail


def test_ai_extract_uses_configured_model_and_limits_fields(monkeypatch):
    class Response:
        def raise_for_status(self): pass
        def json(self): return {'message':{'content':'{"first_name":" Ida ","title":"Support","unknown":"ignore","mobile":1234}'}}
    class Client:
        def __init__(self,**kwargs): pass
        async def __aenter__(self): return self
        async def __aexit__(self,*args): pass
        async def post(self,url,json):
            assert url.endswith('/api/chat')
            assert json['model']==contact_mail_ai.settings.OLLAMA_MODEL
            assert json['format']=='json'
            assert 'sender_email' in json['messages'][1]['content']
            return Response()
    monkeypatch.setattr(contact_mail_ai.httpx,'AsyncClient',Client)
    result=asyncio.run(contact_mail_ai.extract_contact({'sender_email':'ida@example.com','body_text':'Hej'}))
    assert result=={'first_name':'Ida','title':'Support'}