"""Explicit complete-chain requests must remain required in delivery scope."""
from copy import deepcopy

import pytest

from backend.prospecting import delivery
from backend.prospecting.discussion_scope import conditions, requirements


URL = 'https://www.xiaohongshu.com/explore/' + 'a' * 24


def task(goal, **inputs):
    return {'id':'relation-wording-fixture','status':'completed','current_step':'results',
            'inputs':{'goal':goal,'intent':'inspect','subject_urls':[URL],'target_candidates':None,
                      'max_comments_per_note':5,'_goal_version':1,**inputs},
            'artifacts':{'messages':[{'role':'user','text':goal}],'sources':[],'decisions':[],
                         'operation_evidence':[],'browser_history':{'is_successful':True},
                         'browser_verdict':'success','analysis_goal_version':1}}


@pytest.mark.parametrize('goal', [
    '这次只验证一个讨论组的完整回复链。',
    '请保存完整回复链。',
    '检查完整的回复链路。',
    '逐条核对发言人、直接父评论或父回复、根讨论。',
    '逐条核对发言人、直接的父回复、根评论。',
    '确认直接父评论。',
    '请验证父回复。',
    '请核对父评论与根讨论。',
    '父评论及根讨论都要核对。',
])
def test_complete_chain_and_direct_parent_variants_are_explicit_requirements(goal):
    row = task(goal)
    before = deepcopy(row)
    assert 'relations' in requirements(row)
    checks = conditions(row)
    assert any(c['key']=='discussion_relations' and c['required'] and not c['met'] for c in checks)
    assert not delivery.project(row)['fulfillment']['complete']
    assert row == before and row['inputs']['max_comments_per_note']==5


@pytest.mark.parametrize('goal', [
    '只保存正文，不用核对完整回复链。',
    '只保存正文，不需要验证直接父回复。',
    '只保存正文，完整回复链不用核对。',
    '只保存正文，不必再核对父评论与根讨论。',
    '只保存正文。比如：验证完整回复链。',
    '只保存正文。评论里写“逐条核对直接父回复和根讨论”，这是引用。',
    '只保存正文。\n> 检查完整回复链。',
    '只保存正文。\n```\n确认直接父评论\n```',
    '只保存父评论，评论与回复合计最多5条。',
])
def test_negation_quotation_examples_and_comment_only_requests_do_not_add_relations(goal):
    assert 'relations' not in requirements(task(goal))


@pytest.mark.parametrize('cancellation', ['不用再核对完整回复链。','完整回复链不用核对。','不需要验证直接父回复。'])
def test_later_explicit_cancellation_removes_chain_requirement(cancellation):
    row = task('核对完整回复链。')
    row['artifacts']['messages'].append({'role':'user','text':cancellation})
    assert 'relations' not in requirements(row)
    row['artifacts']['messages'].append({'role':'user','text':'还是请核对完整回复链。'})
    assert 'relations' in requirements(row)


@pytest.mark.parametrize('inputs', [
    {'intent':'discover','target_candidates':1}, {'intent':'export'},
    {'intent':'inspect','subject_urls':[],'max_notes':None},
])
def test_chain_wording_does_not_expand_other_task_contracts(inputs):
    assert conditions(task('核对完整回复链，核对直接父回复和根讨论。',**inputs))==[]


def test_assistant_or_model_notes_cannot_add_chain_requirement():
    row = task('只保存正文。',user_notes='核对完整回复链。')
    row['artifacts']['messages'].append({'role':'assistant','text':'逐条核对直接父回复和根讨论。'})
    assert not conditions(row)