"""
Unit Tests - Pydantic Schemas - ServiceManagerWeb

Tests para validación de schemas en app.api.schemas.
No requieren base de datos ni red.
"""

import pytest
from pydantic import ValidationError
import uuid


# ============================================================
# AUTH SCHEMAS
# ============================================================

class TestAuthSchemas:
    """Tests para schemas de autenticación."""

    def test_login_request_valid(self):
        """LoginRequest acepta datos válidos."""
        from app.api.schemas.auth import LoginRequest
        schema = LoginRequest(
            email="user@example.com",
            password="Pass123!",
            tenant_slug="my-tenant",
        )
        assert schema.email == "user@example.com"
        assert schema.tenant_slug == "my-tenant"
        assert schema.totp_code is None

    def test_login_request_invalid_email(self):
        """LoginRequest rechaza email inválido."""
        from app.api.schemas.auth import LoginRequest
        with pytest.raises(ValidationError):
            LoginRequest(email="not-an-email", password="Pass123!", tenant_slug="t")

    def test_login_request_with_totp(self):
        """LoginRequest acepta código TOTP opcional."""
        from app.api.schemas.auth import LoginRequest
        schema = LoginRequest(
            email="user@example.com",
            password="Pass123!",
            tenant_slug="my-tenant",
            totp_code="123456",
        )
        assert schema.totp_code == "123456"

    def test_token_response_default_type(self):
        """TokenResponse tiene token_type=bearer por defecto."""
        from app.api.schemas.auth import TokenResponse
        schema = TokenResponse(access_token="abc123", expires_in=3600)
        assert schema.token_type == "bearer"


# ============================================================
# TENANT SCHEMAS
# ============================================================

class TestTenantSchemas:
    """Tests para schemas de tenants."""

    def test_tenant_create_valid(self):
        """TenantCreate acepta datos mínimos válidos."""
        from app.api.schemas.tenant import TenantCreate
        schema = TenantCreate(name="ACME Corp", slug="acme-corp")
        assert schema.name == "ACME Corp"
        assert schema.slug == "acme-corp"
        assert schema.domain is None

    def test_tenant_create_with_all_fields(self):
        """TenantCreate acepta todos los campos opcionales."""
        from app.api.schemas.tenant import TenantCreate
        schema = TenantCreate(
            name="ACME Corp",
            slug="acme-corp",
            domain="acme.com",
            contact_email="admin@acme.com",
            contact_phone="+1234567890",
        )
        assert schema.contact_email == "admin@acme.com"

    def test_tenant_create_invalid_email(self):
        """TenantCreate rechaza email de contacto inválido."""
        from app.api.schemas.tenant import TenantCreate
        with pytest.raises(ValidationError):
            TenantCreate(name="Corp", slug="corp", contact_email="bad-email")

    def test_tenant_update_all_optional(self):
        """TenantUpdate permite actualización parcial (todos opcionales)."""
        from app.api.schemas.tenant import TenantUpdate
        schema = TenantUpdate()
        assert schema.name is None
        assert schema.slug is None
        assert schema.status is None

    def test_tenant_update_only_name(self):
        """TenantUpdate permite actualizar solo el nombre."""
        from app.api.schemas.tenant import TenantUpdate
        schema = TenantUpdate(name="New Name")
        assert schema.name == "New Name"
        assert schema.slug is None


# ============================================================
# USER SCHEMAS
# ============================================================

class TestUserSchemas:
    """Tests para schemas de usuarios."""

    def test_user_create_valid(self):
        """UserCreate acepta datos válidos con defaults."""
        from app.api.schemas.user import UserCreate
        from app.models.user import UserRole
        schema = UserCreate(
            email="agent@company.com",
            first_name="John",
            last_name="Doe",
            role=UserRole.AGENT,
            password="SecurePass123!",
        )
        assert schema.email == "agent@company.com"
        assert schema.language == "es"
        assert schema.timezone == "UTC"
        assert schema.notifications_email is True

    def test_user_create_invalid_email(self):
        """UserCreate rechaza email inválido."""
        from app.api.schemas.user import UserCreate
        from app.models.user import UserRole
        with pytest.raises(ValidationError):
            UserCreate(
                email="not-valid",
                first_name="John",
                last_name="Doe",
                role=UserRole.AGENT,
                password="Pass123!",
            )

    def test_user_create_invalid_role(self):
        """UserCreate rechaza rol inválido."""
        from app.api.schemas.user import UserCreate
        with pytest.raises(ValidationError):
            UserCreate(
                email="user@test.com",
                first_name="John",
                last_name="Doe",
                role="SUPER_VILLAIN",
                password="Pass123!",
            )

    def test_user_update_all_optional(self):
        """UserUpdate permite actualización parcial."""
        from app.api.schemas.user import UserUpdate
        schema = UserUpdate()
        assert schema.email is None
        assert schema.first_name is None
        assert schema.is_active is None


# ============================================================
# TICKET SCHEMAS
# ============================================================

class TestTicketSchemas:
    """Tests para schemas de tickets."""

    def test_ticket_create_valid_minimal(self):
        """TicketCreate acepta datos mínimos con priority por defecto."""
        from app.api.schemas.ticket import TicketCreate
        schema = TicketCreate(
            subject="Mi impresora no funciona",
            description="La impresora del piso 3 no enciende desde esta mañana.",
        )
        assert schema.subject == "Mi impresora no funciona"
        assert schema.priority == "MEDIUM"
        assert schema.category_id is None
        assert schema.affected_system_id is None

    def test_ticket_create_with_priority(self):
        """TicketCreate acepta prioridad personalizada."""
        from app.api.schemas.ticket import TicketCreate
        schema = TicketCreate(
            subject="Sistema caído",
            description="El sistema principal no responde.",
            priority="URGENT",
        )
        assert schema.priority == "URGENT"

    def test_ticket_update_all_optional(self):
        """TicketUpdate permite actualización parcial."""
        from app.api.schemas.ticket import TicketUpdate
        schema = TicketUpdate()
        assert schema.subject is None
        assert schema.status is None
        assert schema.assigned_to is None

    def test_ticket_close_request_optional_resolution(self):
        """TicketCloseRequest acepta resolución vacía."""
        from app.api.schemas.ticket import TicketCloseRequest
        schema = TicketCloseRequest()
        assert schema.resolution is None

    def test_comment_create_defaults(self):
        """CommentCreate tiene is_internal=False por defecto."""
        from app.api.schemas.ticket import CommentCreate
        schema = CommentCreate(content="Este es un comentario de prueba.")
        assert schema.is_internal is False

    def test_comment_create_internal(self):
        """CommentCreate acepta comentario interno."""
        from app.api.schemas.ticket import CommentCreate
        schema = CommentCreate(content="Nota interna.", is_internal=True)
        assert schema.is_internal is True


# ============================================================
# CATEGORY SCHEMAS
# ============================================================

class TestCategorySchemas:
    """Tests para schemas de categorías."""

    def test_category_create_defaults(self):
        """CategoryCreate tiene SLAs por defecto correctos."""
        from app.api.schemas.category import CategoryCreate
        schema = CategoryCreate(name="Hardware")
        assert schema.sla_response_hours == 24
        assert schema.sla_resolution_hours == 72
        assert schema.is_active if hasattr(schema, "is_active") else True

    def test_category_create_custom_sla(self):
        """CategoryCreate acepta SLAs personalizados."""
        from app.api.schemas.category import CategoryCreate
        schema = CategoryCreate(
            name="Urgente",
            sla_response_hours=1,
            sla_resolution_hours=4,
        )
        assert schema.sla_response_hours == 1
        assert schema.sla_resolution_hours == 4


# ============================================================
# SYSTEM SCHEMAS
# ============================================================

class TestSystemSchemas:
    """Tests para schemas de sistemas."""

    def test_system_create_valid(self):
        """SystemCreate acepta datos válidos."""
        from app.api.schemas.system import SystemCreate
        schema = SystemCreate(name="ERP Principal")
        assert schema.name == "ERP Principal"
        assert schema.description is None

    def test_system_update_all_optional(self):
        """SystemUpdate permite actualización parcial."""
        from app.api.schemas.system import SystemUpdate
        schema = SystemUpdate(is_active=False)
        assert schema.is_active is False
        assert schema.name is None