"""
Certification and Partnership System Integration Tests
Comprehensive testing for certification, partnership, and badge systems
"""

import pytest
import asyncio
from datetime import datetime, timedelta
from uuid import uuid4
from typing import Dict, Any

from sqlmodel import Session, select
from sqlalchemy.exc import SQLAlchemyError

from apps.coordinator_api.src.app.services.certification_service import (
    CertificationAndPartnershipService, CertificationSystem, PartnershipManager, BadgeSystem
)
from apps.coordinator_api.src.app.domain.certification import (
    AgentCertification, CertificationRequirement, VerificationRecord,
    PartnershipProgram, AgentPartnership, AchievementBadge, AgentBadge,
    CertificationLevel, CertificationStatus, VerificationType,
    PartnershipType, BadgeType
)
from apps.coordinator_api.src.app.domain.reputation import AgentReputation


class TestCertificationSystem:
    """Test certification system functionality"""
    
    @pytest.fixture
    def certification_system(self):
        return CertificationSystem()
    
    @pytest.fixture
    def sample_agent_reputation(self):
        return AgentReputation(
            agent_id="test_agent_001",
            trust_score=750.0,
            reputation_level="advanced",
            performance_rating=4.5,
            reliability_score=85.0,
            community_rating=4.2,
            total_earnings=500.0,
            transaction_count=50,
            success_rate=92.0,
            jobs_completed=46,
            jobs_failed=4,
            average_response_time=1500.0,
            dispute_count=1,
            certifications=["basic", "intermediate"],
            specialization_tags=["inference", "text_generation", "image_processing"],
            geographic_region="us-east"
        )
    
    def test_certify_agent_basic(self, certification_system, sample_agent_reputation):
        """Test basic agent certification"""
        
        session = MockSession()
        
        # Mock session to return reputation
        session.exec = lambda query: [sample_agent_reputation] if hasattr(query, 'where') else []
        session.add = lambda obj: None
        session.commit = lambda: None
        session.refresh = lambda obj: None
        
        success, certification, errors = asyncio.run(
            certification_system.certify_agent(
                session=session,
                agent_id="test_agent_001",
                level=CertificationLevel.BASIC,
                issued_by="system"
            )
        )
        
        # Verify certification was created
        assert success is True
        assert certification is not None
        assert certification.certification_level == CertificationLevel.BASIC
        assert certification.status == CertificationStatus.ACTIVE
        assert len(errors) == 0
        assert len(certification.requirements_met) > 0
        assert len(certification.granted_privileges) > 0
    
    def test_certify_agent_advanced(self, certification_system, sample_agent_reputation):
        """Test advanced agent certification"""
        
        session = MockSession()
        session.exec = lambda query: [sample_agent_reputation] if hasattr(query, 'where') else []
        session.add = lambda obj: None
        session.commit = lambda: None
        session.refresh = lambda obj: None
        
        success, certification, errors = asyncio.run(
            certification_system.certify_agent(
                session=session,
                agent_id="test_agent_001",
                level=CertificationLevel.ADVANCED,
                issued_by="system"
            )
        )
        
        # Verify certification was created
        assert success is True
        assert certification is not None
        assert certification.certification_level == CertificationLevel.ADVANCED
        assert len(errors) == 0
    
    def test_certify_agent_insufficient_data(self, certification_system):
        """Test certification with insufficient data"""
        
        session = MockSession()
        session.exec = lambda query: [] if hasattr(query, 'where') else []
        session.add = lambda obj: None
        session.commit = lambda: None
        session.refresh = lambda obj: None
        
        success, certification, errors = asyncio.run(
            certification_system.certify_agent(
                session=session,
                agent_id="unknown_agent",
                level=CertificationLevel.BASIC,
                issued_by="system"
            )
        )
        
        # Verify certification failed
        assert success is False
        assert certification is None
        assert len(errors) > 0
        assert any("identity" in error.lower() for error in errors)
    
    def test_verify_identity(self, certification_system, sample_agent_reputation):
        """Test identity verification"""
        
        session = MockSession()
        session.exec = lambda query: [sample_agent_reputation] if hasattr(query, 'where') else []
        
        result = asyncio.run(
            certification_system.verify_identity(session, "test_agent_001")
        )
        
        # Verify identity verification
        assert result['passed'] is True
        assert result['score'] == 100.0
        assert 'verification_date' in result['details']
        assert 'trust_score' in result['details']
    
    def test_verify_performance(self, certification_system, sample_agent_reputation):
        """Test performance verification"""
        
        session = MockSession()
        session.exec = lambda query: [sample_agent_reputation] if hasattr(query, 'where') else []
        
        result = asyncio.run(
            certification_system.verify_performance(session, "test_agent_001")
        )
        
        # Verify performance verification
        assert result['passed'] is True
        assert result['score'] >= 75.0
        assert 'trust_score' in result['details']
        assert 'success_rate' in result['details']
        assert 'performance_level' in result['details']
    
    def test_verify_reliability(self, certification_system, sample_agent_reputation):
        """Test reliability verification"""
        
        session = MockSession()
        session.exec = lambda query: [sample_agent_reputation] if hasattr(query, 'where') else []
        
        result = asyncio.run(
            certification_system.verify_reliability(session, "test_agent_001")
        )
        
        # Verify reliability verification
        assert result['passed'] is True
        assert result['score'] >= 80.0
        assert 'reliability_score' in result['details']
        assert 'dispute_rate' in result['details']
    
    def test_verify_security(self, certification_system, sample_agent_reputation):
        """Test security verification"""
        
        session = MockSession()
        session.exec = lambda query: [sample_agent_reputation] if hasattr(query, 'where') else []
        
        result = asyncio.run(
            certification_system.verify_security(session, "test_agent_001")
        )
        
        # Verify security verification
        assert result['passed'] is True
        assert result['score'] >= 60.0
        assert 'trust_score' in result['details']
        assert 'security_level' in result['details']
    
    def test_verify_capability(self, certification_system, sample_agent_reputation):
        """Test capability verification"""
        
        session = MockSession()
        session.exec = lambda query: [sample_agent_reputation] if hasattr(query, 'where') else []
        
        result = asyncio.run(
            certification_system.verify_capability(session, "test_agent_001")
        )
        
        # Verify capability verification
        assert result['passed'] is True
        assert result['score'] >= 60.0
        assert 'trust_score' in result['details']
        assert 'specializations' in result['details']
    
    def test_renew_certification(self, certification_system):
        """Test certification renewal"""
        
        session = MockSession()
        
        # Create mock certification
        certification = AgentCertification(
            certification_id="cert_001",
            agent_id="test_agent_001",
            certification_level=CertificationLevel.BASIC,
            issued_by="system",
            issued_at=datetime.utcnow() - timedelta(days=300),
            expires_at=datetime.utcnow() + timedelta(days=60),
            status=CertificationStatus.ACTIVE
        )
        
        session.exec = lambda query: [certification] if hasattr(query, 'where') else []
        session.commit = lambda: None
        
        success, message = asyncio.run(
            certification_system.renew_certification(
                session=session,
                certification_id="cert_001",
                renewed_by="system"
            )
        )
        
        # Verify renewal
        assert success is True
        assert "renewed successfully" in message.lower()
    
    def test_generate_verification_hash(self, certification_system):
        """Test verification hash generation"""
        
        agent_id = "test_agent_001"
        level = CertificationLevel.BASIC
        certification_id = "cert_001"
        
        hash_value = certification_system.generate_verification_hash(agent_id, level, certification_id)
        
        # Verify hash generation
        assert isinstance(hash_value, str)
        assert len(hash_value) == 64  # SHA256 hash length
        assert hash_value.isalnum()  # Should be alphanumeric
    
    def test_get_special_capabilities(self, certification_system):
        """Test special capabilities retrieval"""
        
        capabilities = certification_system.get_special_capabilities(CertificationLevel.ADVANCED)
        
        # Verify capabilities
        assert isinstance(capabilities, list)
        assert len(capabilities) > 0
        assert "premium_trading" in capabilities
        assert "dedicated_support" in capabilities


class TestPartnershipManager:
    """Test partnership management functionality"""
    
    @pytest.fixture
    def partnership_manager(self):
        return PartnershipManager()
    
    def test_create_partnership_program(self, partnership_manager):
        """Test partnership program creation"""
        
        session = MockSession()
        session.add = lambda obj: None
        session.commit = lambda: None
        session.refresh = lambda obj: None
        
        program = asyncio.run(
            partnership_manager.create_partnership_program(
                session=session,
                program_name="Test Partnership",
                program_type=PartnershipType.TECHNOLOGY,
                description="Test partnership program",
                created_by="admin"
            )
        )
        
        # Verify program creation
        assert program is not None
        assert program.program_name == "Test Partnership"
        assert program.program_type == PartnershipType.TECHNOLOGY
        assert program.status == "active"
        assert len(program.tier_levels) > 0
        assert len(program.benefits_by_tier) > 0
        assert len(program.requirements_by_tier) > 0
    
    def test_apply_for_partnership(self, partnership_manager):
        """Test partnership application"""
        
        session = MockSession()
        
        # Create mock program
        program = PartnershipProgram(
            program_id="prog_001",
            program_name="Test Partnership",
            program_type=PartnershipType.TECHNOLOGY,
            status="active",
            eligibility_requirements=["technical_capability"],
            max_participants=100,
            current_participants=0
        )
        
        session.exec = lambda query: [program] if hasattr(query, 'where') else []
        session.add = lambda obj: None
        session.commit = lambda: None
        session.refresh = lambda obj: None
        
        success, partnership, errors = asyncio.run(
            partnership_manager.apply_for_partnership(
                session=session,
                agent_id="test_agent_001",
                program_id="prog_001",
                application_data={"experience": "5 years"}
            )
        )
        
        # Verify application
        assert success is True
        assert partnership is not None
        assert partnership.agent_id == "test_agent_001"
        assert partnership.program_id == "prog_001"
        assert partnership.status == "pending_approval"
        assert len(errors) == 0
    
    def test_check_technical_capability(self, partnership_manager):
        """Test technical capability check"""
        
        session = MockSession()
        
        # Create mock reputation
        reputation = AgentReputation(
            agent_id="test_agent_001",
            trust_score=750.0,
            specialization_tags=["ai", "machine_learning", "python"]
        )
        
        session.exec = lambda query: [reputation] if hasattr(query, 'where') else []
        
        result = asyncio.run(
            partnership_manager.check_technical_capability(session, "test_agent_001")
        )
        
        # Verify technical capability check
        assert result['eligible'] is True
        assert result['score'] >= 60.0
        assert 'trust_score' in result['details']
        assert 'specializations' in result['details']
    
    def test_check_service_quality(self, partnership_manager):
        """Test service quality check"""
        
        session = MockSession()
        
        # Create mock reputation
        reputation = AgentReputation(
            agent_id="test_agent_001",
            performance_rating=4.5,
            success_rate=92.0
        )
        
        session.exec = lambda query: [reputation] if hasattr(query, 'where') else []
        
        result = asyncio.run(
            partnership_manager.check_service_quality(session, "test_agent_001")
        )
        
        # Verify service quality check
        assert result['eligible'] is True
        assert result['score'] >= 75.0
        assert 'performance_rating' in result['details']
        assert 'success_rate' in result['details']
    
    def test_check_customer_support(self, partnership_manager):
        """Test customer support check"""
        
        session = MockSession()
        
        # Create mock reputation
        reputation = AgentReputation(
            agent_id="test_agent_001",
            average_response_time=1500.0,
            reliability_score=85.0
        )
        
        session.exec = lambda query: [reputation] if hasattr(query, 'where') else []
        
        result = asyncio.run(
            partnership_manager.check_customer_support(session, "test_agent_001")
        )
        
        # Verify customer support check
        assert result['eligible'] is True
        assert result['score'] >= 70.0
        assert 'average_response_time' in result['details']
        assert 'reliability_score' in result['details']
    
    def test_check_sales_capability(self, partnership_manager):
        """Test sales capability check"""
        
        session = MockSession()
        
        # Create mock reputation
        reputation = AgentReputation(
            agent_id="test_agent_001",
            total_earnings=500.0,
            transaction_count=50
        )
        
        session.exec = lambda query: [reputation] if hasattr(query, 'where') else []
        
        result = asyncio.run(
            partnership_manager.check_sales_capability(session, "test_agent_001")
        )
        
        # Verify sales capability check
        assert result['eligible'] is True
        assert result['score'] >= 60.0
        assert 'total_earnings' in result['details']
        assert 'transaction_count' in result['details']


class TestBadgeSystem:
    """Test badge system functionality"""
    
    @pytest.fixture
    def badge_system(self):
        return BadgeSystem()
    
    def test_create_badge(self, badge_system):
        """Test badge creation"""
        
        session = MockSession()
        session.add = lambda obj: None
        session.commit = lambda: None
        session.refresh = lambda obj: None
        
        badge = asyncio.run(
            badge_system.create_badge(
                session=session,
                badge_name="Early Adopter",
                badge_type=BadgeType.ACHIEVEMENT,
                description="Awarded to early platform adopters",
                criteria={
                    'required_metrics': ['jobs_completed'],
                    'threshold_values': {'jobs_completed': 1},
                    'rarity': 'common',
                    'point_value': 10
                },
                created_by="system"
            )
        )
        
        # Verify badge creation
        assert badge is not None
        assert badge.badge_name == "Early Adopter"
        assert badge.badge_type == BadgeType.ACHIEVEMENT
        assert badge.rarity == "common"
        assert badge.point_value == 10
        assert badge.is_active is True
    
    def test_award_badge(self, badge_system):
        """Test badge awarding"""
        
        session = MockSession()
        
        # Create mock badge
        badge = AchievementBadge(
            badge_id="badge_001",
            badge_name="Early Adopter",
            badge_type=BadgeType.ACHIEVEMENT,
            is_active=True,
            current_awards=0,
            max_awards=100
        )
        
        # Create mock reputation
        reputation = AgentReputation(
            agent_id="test_agent_001",
            jobs_completed=5
        )
        
        session.exec = lambda query: [badge] if "badge_id" in str(query) else [reputation] if "agent_id" in str(query) else []
        session.add = lambda obj: None
        session.commit = lambda: None
        session.refresh = lambda obj: None
        
        success, agent_badge, message = asyncio.run(
            badge_system.award_badge(
                session=session,
                agent_id="test_agent_001",
                badge_id="badge_001",
                awarded_by="system",
                award_reason="Completed first job"
            )
        )
        
        # Verify badge award
        assert success is True
        assert agent_badge is not None
        assert agent_badge.agent_id == "test_agent_001"
        assert agent_badge.badge_id == "badge_001"
        assert "awarded successfully" in message.lower()
    
    def test_verify_badge_eligibility(self, badge_system):
        """Test badge eligibility verification"""
        
        session = MockSession()
        
        # Create mock badge
        badge = AchievementBadge(
            badge_id="badge_001",
            badge_name="Early Adopter",
            badge_type=BadgeType.ACHIEVEMENT,
            required_metrics=["jobs_completed"],
            threshold_values={"jobs_completed": 1}
        )
        
        # Create mock reputation
        reputation = AgentReputation(
            agent_id="test_agent_001",
            jobs_completed=5
        )
        
        session.exec = lambda query: [reputation] if "agent_id" in str(query) else [badge] if "badge_id" in str(query) else []
        
        result = asyncio.run(
            badge_system.verify_badge_eligibility(session, "test_agent_001", badge)
        )
        
        # Verify eligibility
        assert result['eligible'] is True
        assert result['reason'] == "All criteria met"
        assert 'metrics' in result
        assert 'evidence' in result
        assert len(result['evidence']) > 0
    
    def test_check_and_award_automatic_badges(self, badge_system):
        """Test automatic badge checking and awarding"""
        
        session = MockSession()
        
        # Create mock badges
        badges = [
            AchievementBadge(
                badge_id="badge_001",
                badge_name="Early Adopter",
                badge_type=BadgeType.ACHIEVEMENT,
                is_active=True,
                required_metrics=["jobs_completed"],
                threshold_values={"jobs_completed": 1}
            ),
            AchievementBadge(
                badge_id="badge_002",
                badge_name="Consistent Performer",
                badge_type=BadgeType.MILESTONE,
                is_active=True,
                required_metrics=["jobs_completed"],
                threshold_values={"jobs_completed": 50}
            )
        ]
        
        # Create mock reputation
        reputation = AgentReputation(
            agent_id="test_agent_001",
            jobs_completed=5
        )
        
        session.exec = lambda query: badges if "badge_id" in str(query) else [reputation] if "agent_id" in str(query) else []
        session.add = lambda obj: None
        session.commit = lambda: None
        session.refresh = lambda obj: None
        
        awarded_badges = asyncio.run(
            badge_system.check_and_award_automatic_badges(session, "test_agent_001")
        )
        
        # Verify automatic badge awarding
        assert isinstance(awarded_badges, list)
        assert len(awarded_badges) >= 0  # May or may not award badges depending on criteria
    
    def test_get_metric_value(self, badge_system):
        """Test metric value retrieval"""
        
        reputation = AgentReputation(
            agent_id="test_agent_001",
            trust_score=750.0,
            jobs_completed=5,
            total_earnings=100.0,
            community_contributions=3
        )
        
        # Test different metrics
        assert badge_system.get_metric_value(reputation, "jobs_completed") == 5.0
        assert badge_system.get_metric_value(reputation, "trust_score") == 750.0
        assert badge_system.get_metric_value(reputation, "total_earnings") == 100.0
        assert badge_system.get_metric_value(reputation, "community_contributions") == 3.0
        assert badge_system.get_metric_value(reputation, "unknown_metric") == 0.0


class TestCertificationAndPartnershipService:
    """Test main certification and partnership service"""
    
    @pytest.fixture
    def mock_session(self):
        """Mock database session"""
        class MockSession:
            def __init__(self):
                self.data = {}
                self.committed = False
            
            def exec(self, query):
                # Mock query execution
                if hasattr(query, 'where'):
                    return []
                return []
            
            def add(self, obj):
                self.data[obj.id if hasattr(obj, 'id') else 'temp'] = obj
            
            def commit(self):
                self.committed = True
            
            def refresh(self, obj):
                pass
        
        return MockSession()
    
    @pytest.fixture
    def certification_service(self, mock_session):
        return CertificationAndPartnershipService(mock_session)
    
    def test_get_agent_certification_summary(self, certification_service, mock_session):
        """Test getting agent certification summary"""
        
        # Mock session to return empty lists
        mock_session.exec = lambda query: []
        
        summary = asyncio.run(
            certification_service.get_agent_certification_summary("test_agent_001")
        )
        
        # Verify summary structure
        assert "agent_id" in summary
        assert "certifications" in summary
        assert "partnerships" in summary
        assert "badges" in summary
        assert "verifications" in summary
        
        # Verify summary data
        assert summary["agent_id"] == "test_agent_001"
        assert summary["certifications"]["total"] == 0
        assert summary["partnerships"]["total"] == 0
        assert summary["badges"]["total"] == 0
        assert summary["verifications"]["total"] == 0


# Mock Session Class
class MockSession:
    """Mock database session for testing"""
    
    def __init__(self):
        self.data = {}
        self.committed = False
    
    def exec(self, query):
        # Mock query execution
        if hasattr(query, 'where'):
            return []
        return []
    
    def add(self, obj):
        self.data[obj.id if hasattr(obj, 'id') else 'temp'] = obj
    
    def commit(self):
        self.committed = True
    
    def refresh(self, obj):
        pass


# Performance Tests
class TestCertificationPerformance:
    """Performance tests for certification system"""
    
    @pytest.mark.asyncio
    async def test_bulk_certification_performance(self):
        """Test performance of bulk certification operations"""
        
        # Test certifying multiple agents
        # Should complete within acceptable time limits
        
        pass
    
    @pytest.mark.asyncio
    async def test_partnership_application_performance(self):
        """Test partnership application performance"""
        
        # Test processing multiple partnership applications
        # Should complete within acceptable time limits
        
        pass


# Utility Functions
def create_test_certification(**kwargs) -> Dict[str, Any]:
    """Create test certification data"""
    
    defaults = {
        "agent_id": "test_agent_001",
        "certification_level": CertificationLevel.BASIC,
        "certification_type": "standard",
        "issued_by": "system",
        "status": CertificationStatus.ACTIVE,
        "requirements_met": ["identity_verified", "basic_performance"],
        "granted_privileges": ["basic_trading", "standard_support"]
    }
    
    defaults.update(kwargs)
    return defaults


def create_test_partnership(**kwargs) -> Dict[str, Any]:
    """Create test partnership data"""
    
    defaults = {
        "agent_id": "test_agent_001",
        "program_id": "prog_001",
        "partnership_type": PartnershipType.TECHNOLOGY,
        "current_tier": "basic",
        "status": "active",
        "performance_score": 85.0,
        "total_earnings": 500.0
    }
    
    defaults.update(kwargs)
    return defaults


def create_test_badge(**kwargs) -> Dict[str, Any]:
    """Create test badge data"""
    
    defaults = {
        "badge_name": "Test Badge",
        "badge_type": BadgeType.ACHIEVEMENT,
        "description": "Test badge description",
        "rarity": "common",
        "point_value": 10,
        "category": "general",
        "is_active": True
    }
    
    defaults.update(kwargs)
    return defaults


# Test Configuration
@pytest.fixture(scope="session")
def test_config():
    """Test configuration for certification system tests"""
    
    return {
        "test_agent_count": 100,
        "test_certification_count": 50,
        "test_partnership_count": 25,
        "test_badge_count": 30,
        "performance_threshold_ms": 3000,
        "memory_threshold_mb": 150
    }


# Test Markers
pytest.mark.unit = pytest.mark.unit
pytest.mark.integration = pytest.mark.integration
pytest.mark.performance = pytest.mark.performance
pytest.mark.slow = pytest.mark.slow
