import copy
import unittest
from unittest.mock import Mock

from src.step3_question_answer.support_highlight import support_highlight
from src.step3_question_answer.recommendation import Recommender
from test_recommendation import RECORD, candidate, good_analysis, handoff, retrieval


def card(quote):
    return {'support_methods_standards': {'text': '不应当作原文的模型摘要',
            'citations': [{'path': '/data/support', 'quote': quote}]}}


class SupportHighlightTests(unittest.TestCase):
    def test_label_is_model_output_and_receives_original_quote(self):
        quote = '合成支持：最高80万元，每年发放。'
        refs = [{'path': '/data/support', 'quote': quote}]
        model = Mock(return_value={'text': '最高80万元/年', 'citations': refs})
        result = support_highlight(model, card(quote))
        self.assertEqual(result, {'text': '最高80万元/年', 'citations': refs, 'status': 'generated'})
        self.assertEqual(model.call_count, 1)
        self.assertEqual(model.call_args.args[1]['evidence'], refs)
        self.assertNotIn('不应当作原文', str(model.call_args))

    def test_invalid_or_failed_model_does_not_trigger_rule_amount_fallback(self):
        for value, error in (({}, 'highlight_invalid_schema'),
            ({'text': '最高99万元', 'citations': [{'path': '/wrong', 'quote': '最高99万元'}]}, 'highlight_invalid_citation'),
            ({'text': '最高99万元', 'citations': []}, 'highlight_invalid_citation')):
            result = support_highlight(Mock(return_value=value), card('最高99万元'))
            self.assertEqual(result['status'], 'fallback')
            self.assertEqual(result['text'], '扶持标准见详情')
            self.assertEqual(result['error'], error)
        self.assertEqual(support_highlight(Mock(side_effect=RuntimeError('SECRET')), card('最高99万元'))['error'], 'highlight_generation_failed')
        model = Mock()
        self.assertEqual(support_highlight(model, {})['status'], 'unavailable')
        model.assert_not_called()

    def test_selected_status_uses_llm_label_and_keeps_eligibility(self):
        record = copy.deepcopy(RECORD)
        record['data']['support'] = '提供培训服务。最高奖励20万元。'
        refs = [{'path': '/data/support', 'quote': record['data']['support']}]
        def model(instruction, payload):
            if payload.get('task') == 'policy_support_highlight':
                return {'text': '最高20万元', 'citations': refs}
            if 'cards' in payload:
                return {'text': '合成总结', 'source_ids': [record['id']]}
            value = good_analysis()
            value['card']['support_methods_standards'] = {'text': '培训支持', 'citations': refs}
            return value
        result = Recommender(model).answer(handoff(), retrieval([candidate(record)]))
        item = result['items'][0]
        self.assertEqual(item['recommendation_status'], '最高20万元')
        self.assertEqual(item['eligibility_status'], '相关线索，资格待核验')
        self.assertEqual(result['support_highlight_errors'], [])