"""
Tests for Admin Annotation Routes.
"""

import pytest
from datetime import datetime
from unittest.mock import MagicMock, patch
from uuid import UUID

from fastapi import HTTPException

from src.data.admin_models import AdminAnnotation, AdminDocument, FIELD_CLASSES
from src.web.api.v1.admin.annotations import _validate_uuid, create_annotation_router
from src.web.schemas.admin import (
    AnnotationCreate,
    AnnotationUpdate,
    AutoLabelRequest,
    BoundingBox,
)


# Test UUIDs
TEST_DOC_UUID = "550e8400-e29b-41d4-a716-446655440000"
TEST_ANN_UUID = "660e8400-e29b-41d4-a716-446655440001"
TEST_TOKEN = "test-admin-token-12345"


class TestAnnotationRouterCreation:
    """Tests for annotation router creation."""

    def test_creates_router_with_endpoints(self):
        """Test router is created with expected endpoints."""
        router = create_annotation_router()

        # Get route paths (includes prefix)
        paths = [route.path for route in router.routes]

        # Paths include the /admin/documents prefix
        assert any("{document_id}/annotations" in p for p in paths)
        assert any("{annotation_id}" in p for p in paths)
        assert any("auto-label" in p for p in paths)
        assert any("images" in p for p in paths)


class TestAnnotationCreateSchema:
    """Tests for AnnotationCreate schema."""

    def test_valid_annotation(self):
        """Test valid annotation creation."""
        ann = AnnotationCreate(
            page_number=1,
            class_id=0,
            bbox=BoundingBox(x=100, y=100, width=200, height=50),
            text_value="12345",
        )

        assert ann.page_number == 1
        assert ann.class_id == 0
        assert ann.bbox.x == 100
        assert ann.text_value == "12345"

    def test_class_id_range(self):
        """Test class_id must be 0-9."""
        # Valid class IDs
        for class_id in range(10):
            ann = AnnotationCreate(
                page_number=1,
                class_id=class_id,
                bbox=BoundingBox(x=0, y=0, width=100, height=50),
            )
            assert ann.class_id == class_id

    def test_bbox_validation(self):
        """Test bounding box validation."""
        bbox = BoundingBox(x=0, y=0, width=100, height=50)
        assert bbox.width >= 1
        assert bbox.height >= 1


class TestAnnotationUpdateSchema:
    """Tests for AnnotationUpdate schema."""

    def test_partial_update(self):
        """Test partial update with only some fields."""
        update = AnnotationUpdate(
            text_value="new value",
        )

        assert update.text_value == "new value"
        assert update.class_id is None
        assert update.bbox is None

    def test_bbox_update(self):
        """Test bounding box update."""
        update = AnnotationUpdate(
            bbox=BoundingBox(x=50, y=50, width=150, height=75),
        )

        assert update.bbox.x == 50
        assert update.bbox.width == 150


class TestAutoLabelRequestSchema:
    """Tests for AutoLabelRequest schema."""

    def test_valid_request(self):
        """Test valid auto-label request."""
        request = AutoLabelRequest(
            field_values={
                "InvoiceNumber": "12345",
                "Amount": "1000.00",
            },
            replace_existing=True,
        )

        assert len(request.field_values) == 2
        assert request.field_values["InvoiceNumber"] == "12345"
        assert request.replace_existing is True

    def test_requires_field_values(self):
        """Test that field_values is required."""
        with pytest.raises(Exception):
            AutoLabelRequest(replace_existing=True)


class TestFieldClasses:
    """Tests for field class mapping."""

    def test_all_classes_defined(self):
        """Test all 10 field classes are defined."""
        assert len(FIELD_CLASSES) == 10

    def test_class_ids_sequential(self):
        """Test class IDs are 0-9."""
        assert set(FIELD_CLASSES.keys()) == set(range(10))

    def test_known_field_names(self):
        """Test known field names are present."""
        names = list(FIELD_CLASSES.values())

        assert "invoice_number" in names
        assert "invoice_date" in names
        assert "amount" in names
        assert "bankgiro" in names
        assert "ocr_number" in names


class TestAnnotationModel:
    """Tests for AdminAnnotation model."""

    def test_annotation_creation(self):
        """Test annotation model creation."""
        ann = AdminAnnotation(
            document_id=UUID(TEST_DOC_UUID),
            page_number=1,
            class_id=0,
            class_name="invoice_number",
            x_center=0.5,
            y_center=0.5,
            width=0.2,
            height=0.05,
            bbox_x=100,
            bbox_y=100,
            bbox_width=200,
            bbox_height=50,
            text_value="12345",
            confidence=0.95,
            source="manual",
        )

        assert str(ann.document_id) == TEST_DOC_UUID
        assert ann.class_id == 0
        assert ann.x_center == 0.5
        assert ann.source == "manual"

    def test_normalized_coordinates(self):
        """Test normalized coordinates are 0-1 range."""
        # Valid normalized coords
        ann = AdminAnnotation(
            document_id=UUID(TEST_DOC_UUID),
            page_number=1,
            class_id=0,
            class_name="test",
            x_center=0.5,
            y_center=0.5,
            width=0.2,
            height=0.05,
            bbox_x=0,
            bbox_y=0,
            bbox_width=100,
            bbox_height=50,
        )

        assert 0 <= ann.x_center <= 1
        assert 0 <= ann.y_center <= 1
        assert 0 <= ann.width <= 1
        assert 0 <= ann.height <= 1