"""
Tests for Layout render_for_display() methods.

Tests display rendering for:
- Field (handles choices, FK, M2M, booleans, display values)
- Fieldset (renders fields with legend)
- Row (horizontal layout of fields)
- Collection (nested objects - not implemented yet)
- Layout (top-level container)
"""

import pytest
from django.test import TestCase

from djadmin.layout import Field, Fieldset, Layout, Row
from examples.webshop.factories import CategoryFactory, ProductFactory, TagFactory


@pytest.mark.skip(reason='Phase 2.7 Day 2+: render_for_display() implementation needs completion/testing')
class TestFieldRenderForDisplay(TestCase):
    """Test Field.render_for_display() method"""

    def setUp(self):
        """Set up test data"""
        self.category = CategoryFactory(name='Electronics')
        self.product = ProductFactory(
            name='Laptop',
            sku='LAP001',
            price=999.99,
            stock_quantity=10,
            category=self.category,
            is_featured=True,
        )
        self.tags = TagFactory.create_batch(3, name='Tag')
        self.product.tags.set(self.tags)

    def test_render_char_field(self):
        """Test rendering CharField"""
        field = Field('name')
        result = field.render_for_display(self.product)

        assert result['type'] == 'field'
        assert result['name'] == 'name'
        assert result['label'] == 'Name'
        assert result['value'] == 'Laptop'
        assert result['display_value'] == 'Laptop'

    def test_render_decimal_field(self):
        """Test rendering DecimalField"""
        field = Field('price')
        result = field.render_for_display(self.product)

        assert result['name'] == 'price'
        assert result['value'] == 999.99
        # Display value might be formatted
        assert '999' in str(result['display_value'])

    def test_render_boolean_field(self):
        """Test rendering BooleanField"""
        field = Field('is_featured')
        result = field.render_for_display(self.product)

        assert result['name'] == 'is_featured'
        assert result['value'] is True
        assert result['display_value'] == 'Yes'

    def test_render_foreign_key_field(self):
        """Test rendering ForeignKey"""
        field = Field('category')
        result = field.render_for_display(self.product)

        assert result['name'] == 'category'
        assert result['value'] == self.category.pk
        assert result['display_value'] == 'Electronics'

    def test_render_many_to_many_field(self):
        """Test rendering ManyToManyField"""
        field = Field('tags')
        result = field.render_for_display(self.product)

        assert result['name'] == 'tags'
        assert result['is_many'] is True
        # display_value should be list of tag names
        assert len(result['display_value']) == 3

    def test_render_field_with_choices(self):
        """Test rendering field with choices"""
        field = Field('status')
        result = field.render_for_display(self.product)

        assert result['name'] == 'status'
        # Should show the display value from choices
        assert result['display_value'] in ['Active', 'Inactive', 'Discontinued']

    def test_render_field_with_custom_label(self):
        """Test rendering field with custom label"""
        field = Field('name', label='Product Name')
        result = field.render_for_display(self.product)

        assert result['label'] == 'Product Name'


@pytest.mark.skip(reason='Phase 2.7 Day 2+: Fieldset render_for_display() needs testing')
class TestFieldsetRenderForDisplay(TestCase):
    """Test Fieldset.render_for_display() method"""

    def setUp(self):
        """Set up test data"""
        self.product = ProductFactory(name='Laptop', sku='LAP001')

    def test_render_fieldset_with_legend(self):
        """Test rendering Fieldset with legend"""
        fieldset = Fieldset(
            'Basic Information',
            Field('name'),
            Field('sku'),
        )
        result = fieldset.render_for_display(self.product)

        assert result['type'] == 'fieldset'
        assert result['legend'] == 'Basic Information'
        assert len(result['items']) == 2
        assert result['items'][0]['name'] == 'name'
        assert result['items'][1]['name'] == 'sku'

    def test_render_fieldset_without_legend(self):
        """Test rendering Fieldset without legend (unnamed)"""
        fieldset = Fieldset(
            None,  # No legend
            Field('name'),
            Field('sku'),
        )
        result = fieldset.render_for_display(self.product)

        assert result['type'] == 'fieldset'
        assert result['legend'] is None
        assert len(result['items']) == 2


@pytest.mark.skip(reason='Phase 2.7 Day 2+: Row render_for_display() needs testing')
class TestRowRenderForDisplay(TestCase):
    """Test Row.render_for_display() method"""

    def setUp(self):
        """Set up test data"""
        self.product = ProductFactory(name='Laptop', sku='LAP001', price=999.99)

    def test_render_row(self):
        """Test rendering Row (horizontal layout)"""
        row = Row(
            Field('name'),
            Field('sku'),
            Field('price'),
        )
        result = row.render_for_display(self.product)

        assert result['type'] == 'row'
        assert len(result['items']) == 3
        assert result['items'][0]['name'] == 'name'
        assert result['items'][1]['name'] == 'sku'
        assert result['items'][2]['name'] == 'price'


@pytest.mark.skip(reason='Phase 2.7 Day 2+: Layout render_for_display() needs testing')
class TestLayoutRenderForDisplay(TestCase):
    """Test Layout.render_for_display() method"""

    def setUp(self):
        """Set up test data"""
        self.category = CategoryFactory(name='Electronics')
        self.product = ProductFactory(
            name='Laptop',
            sku='LAP001',
            price=999.99,
            category=self.category,
        )

    def test_render_complete_layout(self):
        """Test rendering complete Layout with mixed components"""
        layout = Layout(
            Fieldset(
                'Basic Information',
                Field('name'),
                Row(
                    Field('sku'),
                    Field('price'),
                ),
            ),
            Fieldset(
                'Details',
                Field('category'),
            ),
        )
        result = layout.render_for_display(self.product)

        assert result['type'] == 'layout'
        assert len(result['items']) == 2

        # First fieldset
        assert result['items'][0]['type'] == 'fieldset'
        assert result['items'][0]['legend'] == 'Basic Information'
        assert len(result['items'][0]['items']) == 2  # name + row

        # Second fieldset
        assert result['items'][1]['type'] == 'fieldset'
        assert result['items'][1]['legend'] == 'Details'

    def test_render_empty_layout(self):
        """Test rendering empty Layout"""
        layout = Layout()
        result = layout.render_for_display(self.product)

        assert result['type'] == 'layout'
        assert result['items'] == []


@pytest.mark.skip(reason='Collection rendering not implemented yet')
class TestCollectionRenderForDisplay:
    """Test Collection.render_for_display() method (deferred to future)"""

    def test_render_collection(self):
        """Test rendering Collection (nested objects)"""
        # This will be implemented when inline editing is added
        pass
