import unittest
from functools import lru_cache
from unittest.mock import MagicMock, patch

import django

from django.template import TemplateDoesNotExist
from django.utils.safestring import SafeText

from common import components
from games.models import Platform, Game, Purchase, Session


class RenderCachedImplTest(unittest.TestCase):
    """Test _render_cached_impl renders templates correctly."""

    def test_basic_render(self):
        result = components._render_cached_impl(
            "cotton/icon/play.html",
            '{"slot": "", "title": "Play"}',
        )
        self.assertIn("<svg", result)
        self.assertIn("</svg>", result)

    def test_slot_marked_safe(self):
        result = components._render_cached_impl(
            "cotton/icon/play.html",
            '{"slot": "<b>bold</b>", "title": "Play"}',
        )
        self.assertIsInstance(result, SafeText)

    def test_different_templates_different_output(self):
        r1 = components._render_cached_impl(
            "cotton/icon/play.html", '{"slot": "", "title": "Play"}',
        )
        r2 = components._render_cached_impl(
            "cotton/icon/delete.html", '{"slot": "", "title": "Delete"}',
        )
        self.assertNotEqual(r1, r2)

    def test_nonexistent_template_raises(self):
        with self.assertRaises(TemplateDoesNotExist):
            components._render_cached_impl(
                "cotton/nonexistent.html", '{"slot": "", "title": "X"}',
            )

    def test_context_keys_are_sorted(self):
        """Verify sort_keys=True in Component produces consistent JSON."""
        from common.components import Component
        r1 = Component(
            template="cotton/icon/play.html",
            attributes=[("title", "Play"), ("b", "2")],
        )
        r2 = Component(
            template="cotton/icon/play.html",
            attributes=[("b", "2"), ("title", "Play")],
        )
        self.assertEqual(r1, r2)


class RenderCachedLRUTest(unittest.TestCase):
    """Test LRU cache behavior of _render_cached when enabled."""

    def setUp(self):
        components.enable_cache()
        components._render_cached.cache_clear()

    def tearDown(self):
        components._render_cached = components._render_cached_impl

    def test_cache_hits_and_misses(self):
        # Call through _render_cached (the cached wrapper), not _render_cached_impl
        components._render_cached(
            "cotton/icon/play.html", '{"slot": "", "title": "Play"}',
        )
        info = components._render_cached.cache_info()
        self.assertEqual(info.hits, 0)
        self.assertEqual(info.misses, 1)

        components._render_cached(
            "cotton/icon/play.html", '{"slot": "", "title": "Play"}',
        )
        info = components._render_cached.cache_info()
        self.assertEqual(info.hits, 1)
        self.assertEqual(info.misses, 1)

    def test_cache_clear(self):
        components._render_cached_impl(
            "cotton/icon/play.html", '{"slot": "", "title": "Play"}',
        )
        components._render_cached.cache_clear()
        info = components._render_cached.cache_info()
        self.assertEqual(info.currsize, 0)
        self.assertEqual(info.hits, 0)

    def test_cache_parameters(self):
        info = components._render_cached.cache_info()
        self.assertEqual(components._render_cached.cache_parameters()["maxsize"], 4096)

    def test_different_contexts_different_entries(self):
        # Call through _render_cached (the cached wrapper), not _render_cached_impl
        components._render_cached(
            "cotton/button.html",
            '{"size": "base", "color": "blue", "icon": false, "class": "hover:cursor-pointer", "slot": ""}',
        )
        components._render_cached(
            "cotton/button.html",
            '{"size": "base", "color": "red", "icon": false, "class": "hover:cursor-pointer", "slot": ""}',
        )
        info = components._render_cached.cache_info()
        self.assertEqual(info.currsize, 2)

    def test_cache_size_limited(self):
        """After exceeding maxsize, oldest entries are evicted."""
        for i in range(5000):
            components._render_cached_impl(
                f"cotton/icon/play.html",
                f'{{"slot": "", "title": "{i}"}}',
            )
        info = components._render_cached.cache_info()
        self.assertLessEqual(info.currsize, 4096)


class ComponentIntegrationTest(unittest.TestCase):
    """Test Component() works correctly with caching transparent."""

    def setUp(self):
        components.enable_cache()
        components._render_cached.cache_clear()

    def tearDown(self):
        components._render_cached = components._render_cached_impl

    def test_template_component(self):
        result = components.Component(
            template="cotton/icon/play.html", attributes=[],
        )
        self.assertIn("<svg", result)
        self.assertIn("</svg>", result)

    def test_tag_name_component(self):
        result = components.Component(
            tag_name="div",
            attributes=[("class", "test")],
            children="hello",
        )
        self.assertEqual(result, '<div class="test">hello</div>')

    def test_repeated_calls_identical(self):
        r1 = components.Component(
            template="cotton/icon/play.html", attributes=[],
        )
        r2 = components.Component(
            template="cotton/icon/play.html", attributes=[],
        )
        self.assertEqual(r1, r2)

    def test_different_components_different(self):
        r1 = components.Component(
            template="cotton/button.html", attributes=[("hx_get", "/url1")],
        )
        r2 = components.Component(
            template="cotton/button.html", attributes=[("hx_get", "/url2")],
        )
        self.assertNotEqual(r1, r2)


class RandomidDeterministicTest(unittest.TestCase):
    """Test that randomid() produces deterministic, reproducible IDs."""

    def test_same_content_same_id(self):
        r1 = components.randomid(content="foo")
        r2 = components.randomid(content="foo")
        self.assertEqual(r1, r2)

    def test_different_content_different_id(self):
        r1 = components.randomid(content="foo")
        r2 = components.randomid(content="bar")
        self.assertNotEqual(r1, r2)

    def test_seed_prepended(self):
        result = components.randomid(seed="a", content="x")
        self.assertTrue(result.startswith("a"))

    def test_seed_respects_length(self):
        result = components.randomid(seed="ab", content="x", length=10)
        self.assertEqual(len(result), 10)

    def test_empty_input_returns_empty(self):
        self.assertEqual(components.randomid(), "")

    def test_output_is_lowercase_alphanum(self):
        result = components.randomid(content="test")
        self.assertTrue(all(c in "abcdefghijklmnopqrstuvwxyz0123456789" for c in result))

    def test_output_length_is_correct(self):
        for length in [5, 10, 15, 20]:
            result = components.randomid(content="test", length=length)
            self.assertEqual(len(result), length)

    def test_hash_reproducible_across_calls(self):
        results = [components.randomid(content="reproducible_test") for _ in range(100)]
        self.assertEqual(len(set(results)), 1)


class RandomidVsOldBehaviorTest(unittest.TestCase):
    """Prove the new hash-based approach is deterministic while the old random approach was not."""

    def _old_random_id(self, seed="", length=10):
        from random import choices
        from string import ascii_lowercase
        return seed + "".join(choices(ascii_lowercase, k=length))

    def test_old_random_produces_different_ids(self):
        results = [self._old_random_id() for _ in range(50)]
        self.assertEqual(len(set(results)), 50)

    def test_new_hash_produces_same_id(self):
        results = [components.randomid(content="determinism_test") for _ in range(50)]
        self.assertEqual(len(set(results)), 1)

    def test_new_hash_deterministic_per_content(self):
        results = [components.randomid(content=c) for c in ["aaa", "bbb", "ccc"]]
        self.assertEqual(len(set(results)), 3)


class PopoverDeterministicTest(unittest.TestCase):
    """Test that Popover() produces deterministic HTML output."""

    def setUp(self):
        components.enable_cache()
        components._render_cached.cache_clear()

    def tearDown(self):
        components._render_cached = components._render_cached_impl

    def test_same_popover_same_id(self):
        r1 = components.Popover("hello", wrapped_content="hello")
        r2 = components.Popover("hello", wrapped_content="hello")
        self.assertEqual(r1, r2)

    def test_different_content_different_id(self):
        r1 = components.Popover("content_a", wrapped_content="content_a")
        r2 = components.Popover("content_b", wrapped_content="content_b")
        self.assertNotEqual(r1, r2)

    def test_wrapped_classes_affect_id(self):
        r1 = components.Popover("c", wrapped_content="c", wrapped_classes="class_x")
        r2 = components.Popover("c", wrapped_content="c", wrapped_classes="class_y")
        self.assertNotEqual(r1, r2)

    def test_wrapped_content_affects_id(self):
        r1 = components.Popover("popover", wrapped_content="wrapped_a")
        r2 = components.Popover("popover", wrapped_content="wrapped_b")
        self.assertNotEqual(r1, r2)

    def test_popover_content_affects_id(self):
        r1 = components.Popover("popover_a", wrapped_content="wrapped")
        r2 = components.Popover("popover_b", wrapped_content="wrapped")
        self.assertNotEqual(r1, r2)

    def test_full_html_deterministic(self):
        r1 = components.Popover("hello world", wrapped_content="hello world")
        r2 = components.Popover("hello world", wrapped_content="hello world")
        self.assertEqual(r1.encode(), r2.encode())


class PopoverCacheIntegrationTest(unittest.TestCase):
    """Test that Popover() output works correctly with LRU caching."""

    def setUp(self):
        components.enable_cache()
        components._render_cached.cache_clear()

    def tearDown(self):
        components._render_cached = components._render_cached_impl

    def _get_popover_context(self, popover_content, wrapped_content="", wrapped_classes=""):
        """Build the context JSON that _render_cached would receive for a Popover."""
        import json
        content = f"{wrapped_content}:{popover_content}:{wrapped_classes}"
        id = components.randomid(content=content)
        context = {
            "id": id,
            "wrapped_content": wrapped_content,
            "popover_content": popover_content,
            "wrapped_classes": wrapped_classes,
            "slot": "",
        }
        return json.dumps(context, sort_keys=True)

    def test_popover_first_call_no_cache_hit(self):
        components.Popover("test_content", wrapped_content="test_content")
        info = components._render_cached.cache_info()
        self.assertEqual(info.hits, 0)

    def test_popover_second_call_cache_hit(self):
        components.Popover("test_content", wrapped_content="test_content")
        info = components._render_cached.cache_info()
        self.assertEqual(info.hits, 0)
        components.Popover("test_content", wrapped_content="test_content")
        info = components._render_cached.cache_info()
        self.assertEqual(info.hits, 1)

    def test_popover_different_content_different_entry(self):
        components.Popover("content_a", wrapped_content="content_a")
        components.Popover("content_b", wrapped_content="content_b")
        info = components._render_cached.cache_info()
        self.assertEqual(info.currsize, 2)

    def test_popover_repeated_call_increments_hits(self):
        for _ in range(5):
            components.Popover("repeated_test", wrapped_content="repeated_test")
        info = components._render_cached.cache_info()
        self.assertEqual(info.hits, 4)


class TemplatetagRandomidTest(unittest.TestCase):
    """Test games/templatetags/randomid.py produces deterministic IDs."""

    def test_same_seed_same_id(self):
        from games.templatetags import randomid
        r1 = randomid.randomid(seed="foo")
        r2 = randomid.randomid(seed="foo")
        self.assertEqual(r1, r2)

    def test_different_seed_different_id(self):
        from games.templatetags import randomid
        r1 = randomid.randomid(seed="foo")
        r2 = randomid.randomid(seed="bar")
        self.assertNotEqual(r1, r2)

    def test_output_length_ten(self):
        from games.templatetags import randomid
        for seed in ["a", "hello", "test1234"]:
            result = randomid.randomid(seed=seed)
            self.assertEqual(len(result), 10)

    def test_empty_seed_returns_hash(self):
        from games.templatetags import randomid
        result = randomid.randomid()
        self.assertEqual(len(result), 10)
        self.assertTrue(all(c in "abcdef0123456789" for c in result))


class ComponentReturnTypeTest(unittest.TestCase):
    """Test that component functions return SafeText and render correctly."""

    def setUp(self):
        components.enable_cache()
        components._render_cached.cache_clear()

    def tearDown(self):
        components._render_cached = components._render_cached_impl

    def test_div_returns_safe_text(self):
        result = components.Div([("class", "x")], "hello")
        self.assertIsInstance(result, SafeText)

    def test_div_deterministic(self):
        r1 = components.Div([("class", "x")], "hello")
        r2 = components.Div([("class", "x")], "hello")
        self.assertEqual(r1, r2)
        self.assertIn('<div class="x">hello</div>', r1)

    def test_div_no_args(self):
        result = components.Div(children="test")
        self.assertIsInstance(result, SafeText)
        self.assertIn('<div>test</div>', result)

    def test_a_returns_safe_text(self):
        result = components.A([], "link")
        self.assertIsInstance(result, SafeText)

    def test_a_literal_href(self):
        result = components.A([], "x", href="/literal/path")
        self.assertIn('href="/literal/path"', result)

    def test_a_url_name_reversed(self):
        from unittest.mock import patch
        with patch("common.components.reverse", return_value="/resolved/url"):
            result = components.A([], "link", url_name="some_name")
            self.assertIn('href="/resolved/url"', result)

    def test_a_no_url_or_href(self):
        result = components.A([], "link")
        self.assertIn('<a>link</a>', result)
        self.assertNotIn('href=', result)

    def test_a_both_url_name_and_href_raises(self):
        with self.assertRaises(ValueError):
            components.A(href="/path", url_name="some_name")

    def test_button_returns_safe_text(self):
        result = components.Button([], "click")
        self.assertIsInstance(result, SafeText)
        self.assertIn("<button", result)

    def test_button_default_colors(self):
        result = components.Button([], "click")
        self.assertIn("text-white bg-brand", result)

    def test_name_with_icon_no_link(self):
        result = components.NameWithIcon(name="Game", linkify=False)
        self.assertIsInstance(result, SafeText)
        self.assertIn("Game", result)
        self.assertNotIn("<a ", result)

    def test_name_with_icon_no_trailing_comma(self):
        result = components.NameWithIcon(name="Test", linkify=False)
        self.assertIsInstance(result, SafeText)
        self.assertNotIsInstance(result, tuple)


class ComponentEdgeCasesTest(unittest.TestCase):
    """Test Component() edge cases and error handling."""

    def test_no_template_or_tag_name_raises(self):
        with self.assertRaises(ValueError) as ctx:
            components.Component(children="hello")
        self.assertIn("template or tag_name", str(ctx.exception))

    def test_single_string_children_wrapped(self):
        result = components.Component(tag_name="span", children="hello")
        self.assertIn("hello", result)

    def test_multiple_children_joined_with_newlines(self):
        result = components.Component(
            tag_name="div", children=["<span>a</span>", "<span>b</span>"]
        )
        self.assertIn("<span>a</span>", result)
        self.assertIn("<span>b</span>", result)
        self.assertIn("<div>", result)
        self.assertIn("</div>", result)

    def test_attributes_serialized_correctly(self):
        result = components.Component(
            tag_name="div", attributes=[("class", "foo"), ("id", "bar")]
        )
        self.assertIn('class="foo"', result)
        self.assertIn('id="bar"', result)

    def test_empty_attributes_no_extra_space(self):
        result = components.Component(tag_name="span", children="x")
        self.assertEqual(result, "<span>x</span>")
        self.assertNotIn(" <span", result)

    def test_non_string_children_not_supported(self):
        """Component only accepts str for children, not integers."""
        result = components.Component(tag_name="span", children=str(42))
        self.assertIn("42", result)

    def test_returns_safetext(self):
        result = components.Component(tag_name="div", children="test")
        self.assertIsInstance(result, SafeText)


class IconTest(unittest.TestCase):
    """Test Icon() component function."""

    def setUp(self):
        components.enable_cache()
        components._render_cached.cache_clear()

    def tearDown(self):
        components._render_cached = components._render_cached_impl

    def test_valid_icon_renders_svg(self):
        result = components.Icon("play")
        self.assertIsInstance(result, SafeText)
        self.assertIn("<svg", result)
        self.assertIn("</svg>", result)

    def test_unavailable_icon_falls_back(self):
        result = components.Icon("zzz_nonexistent_platform")
        self.assertIsInstance(result, SafeText)
        self.assertIn("<svg", result)

    def test_icon_passes_attributes_to_template(self):
        result = components.Icon("play", attributes=[("title", "Play")])
        self.assertIsInstance(result, SafeText)

    def test_returns_safetext(self):
        result = components.Icon("delete")
        self.assertIsInstance(result, SafeText)


class FormInputTest(unittest.TestCase):
    """Test Form(), Input(), and Div() functions."""

    def test_form_default_method_get(self):
        result = components.Form()
        self.assertIn('method="get"', result)
        self.assertIn('<form', result)

    def test_form_post_method(self):
        result = components.Form(method="post")
        self.assertIn('method="post"', result)
        self.assertIn('<form', result)

    def test_form_action(self):
        result = components.Form(action="/submit/")
        self.assertIn('action="/submit/"', result)

    def test_form_children_rendered(self):
        child = components.Input(type="text", attributes=[("name", "email")])
        result = components.Form(children=[child])
        self.assertIn('<input', result)
        self.assertIn('type="text"', result)
        self.assertIn('name="email"', result)

    def test_input_default_type_text(self):
        result = components.Input()
        self.assertIn('<input', result)
        self.assertIn('type="text"', result)

    def test_input_custom_type(self):
        result = components.Input(type="submit")
        self.assertIn('type="submit"', result)

    def test_input_attributes_merged_with_type(self):
        result = components.Input(type="email", attributes=[("id", "email"), ("class", "form-input")])
        self.assertIn('type="email"', result)
        self.assertIn('id="email"', result)
        self.assertIn('class="form-input"', result)


class PopoverTruncatedTest(unittest.TestCase):
    """Test PopoverTruncated() component function."""

    def setUp(self):
        components.enable_cache()
        components._render_cached.cache_clear()

    def tearDown(self):
        components._render_cached = components._render_cached_impl

    def test_short_string_no_popover(self):
        result = components.PopoverTruncated("hi")
        self.assertEqual(result, "hi")

    def test_long_string_wrapped_in_popover(self):
        long_text = "a" * 100
        result = components.PopoverTruncated(long_text)
        # Should NOT equal the truncated form directly
        truncated = components.truncate(long_text, 30)
        self.assertNotEqual(result, truncated)
        # Should contain popover markers
        self.assertIn("data-popover-target", result)

    def test_custom_ellipsis_used(self):
        long_text = "a" * 50
        result = components.PopoverTruncated(long_text, ellipsis=">>")
        # Django template escapes >> to &gt;&gt; in the wrapped_content
        self.assertIn("&gt;&gt;", result)

    def test_popover_if_not_truncated_flag(self):
        short_text = "hi"
        result = components.PopoverTruncated(
            short_text, popover_content="full content", popover_if_not_truncated=True
        )
        # Should be wrapped in popover even though short
        self.assertNotEqual(result, "hi")
        self.assertIn("data-popover-target", result)

    def test_popover_content_override(self):
        result = components.PopoverTruncated("short", popover_content="custom popover")
        # With popover_if_not_truncated=False (default), short text returns as-is
        self.assertEqual(result, "short")

    def test_popover_content_override_with_flag(self):
        result = components.PopoverTruncated(
            "short", popover_content="custom popover", popover_if_not_truncated=True
        )
        self.assertIn("custom popover", result)

    def test_endpart_visible_in_output(self):
        long_text = "a" * 50
        result = components.PopoverTruncated(long_text, endpart="...")
        self.assertIn("...", result)

    def test_returns_safetext(self):
        result = components.PopoverTruncated("a" * 100)
        self.assertIsInstance(result, SafeText)

    def test_default_length(self):
        text = "a" * 31
        result = components.PopoverTruncated(text)
        # 31 chars exceeds default length of 30, so should be truncated
        self.assertIn("data-popover-target", result)

    def test_length_zero(self):
        result = components.PopoverTruncated("hello", length=0)
        # Even empty length triggers popover for any content
        self.assertIn("data-popover-target", result)


class EnableCacheTest(unittest.TestCase):
    """Test enable_cache() function."""

    def test_wraps_with_lru_cache(self):
        components.enable_cache()
        # Should have cache_info method
        self.assertTrue(hasattr(components._render_cached, "cache_info"))

    def test_cache_has_correct_maxsize(self):
        components.enable_cache()
        params = components._render_cached.cache_parameters()
        self.assertEqual(params["maxsize"], 4096)


class ModelDependentComponentsTest(django.test.TestCase):
    """Test components that depend on Django models."""

    @staticmethod
    def _create_platform(name="Steam", icon="steam"):
        return Platform.objects.create(name=name, icon=icon)

    @staticmethod
    def _create_game(platform, name="Test Game"):
        return Game.objects.create(name=name, platform=platform)

    @staticmethod
    def _create_purchase(games, platform=None, price=19.99):
        purchase = Purchase.objects.create(
            platform=platform or (games[0].platform if games else None),
            date_purchased="2025-01-01",
            price=price,
            price_currency="USD",
            converted_price=price,
            converted_currency="USD",
        )
        purchase.games.set(games)
        return purchase

    def test_name_with_icon_linkify_with_game(self):
        platform = self._create_platform(name="Steam", icon="steam")
        game = self._create_game(platform)
        result = components.NameWithIcon(game=game, linkify=True)
        self.assertIsInstance(result, SafeText)
        self.assertIn("<a ", result)
        self.assertIn("Test Game", result)
        self.assertIn("/tracker/game/", result)

    def test_name_with_icon_no_linkify(self):
        platform = self._create_platform(name="GOG", icon="gog")
        game = self._create_game(platform)
        result = components.NameWithIcon(name="Test Game", game=game, linkify=False)
        self.assertIsInstance(result, SafeText)
        self.assertNotIn("<a ", result)
        self.assertIn("Test Game", result)

    def test_name_with_icon_emulated_flag(self):
        platform = self._create_platform(icon="steam")
        game = self._create_game(platform)
        session = Session.objects.create(
            game=game,
            timestamp_start="2025-01-01 00:00:00+00:00",
            emulated=True,
        )
        result = components.NameWithIcon(session=session, linkify=True)
        self.assertIsInstance(result, SafeText)
        self.assertIn("<a ", result)
        self.assertIn("Emulated", result)

    def test_name_with_icon_no_platform(self):
        result = components.NameWithIcon(name="Standalone", linkify=False)
        self.assertIsInstance(result, SafeText)
        self.assertIn("Standalone", result)

    def test_name_with_icon_session_fetches_game(self):
        platform = self._create_platform(icon="egs")
        game = self._create_game(platform, name="Epic Game")
        session = Session.objects.create(
            game=game,
            timestamp_start="2025-01-01 00:00:00+00:00",
        )
        result = components.NameWithIcon(session=session, linkify=True)
        self.assertIsInstance(result, SafeText)
        self.assertIn("Epic Game", result)

    def test_purchase_price_renders_currency(self):
        platform = self._create_platform()
        game = self._create_game(platform)
        purchase = self._create_purchase([game], price=29.99)
        result = components.PurchasePrice(purchase)
        self.assertIsInstance(result, SafeText)
        # floatformat rounds to 1 decimal: 29.99 -> 30.0
        self.assertIn("30.0", result)
        self.assertIn("USD", result)
        self.assertIn("data-popover-target", result)

    def test_linked_purchase_single_game(self):
        platform = self._create_platform(icon="steam")
        game = self._create_game(platform, name="Single Game")
        purchase = self._create_purchase([game], price=14.99)
        result = components.LinkedPurchase(purchase)
        self.assertIsInstance(result, SafeText)
        self.assertIn("Single Game", result)
        self.assertIn("<a ", result)
        self.assertIn("/tracker/purchase/", result)

    def test_linked_purchase_multiple_games(self):
        platform = self._create_platform(icon="steam")
        game1 = self._create_game(platform, name="Game One")
        game2 = self._create_game(platform, name="Game Two")
        purchase = self._create_purchase([game1, game2], price=24.99)
        result = components.LinkedPurchase(purchase)
        self.assertIsInstance(result, SafeText)
        self.assertIn("2 games", result)
        self.assertIn("<a ", result)
        self.assertIn("/tracker/purchase/", result)

    def test_linked_purchase_with_name(self):
        platform = self._create_platform(icon="steam")
        game1 = self._create_game(platform, name="Game A")
        game2 = self._create_game(platform, name="Game B")
        purchase = self._create_purchase(
            [game1, game2], price=24.99,
        )
        purchase.name = "Bundle"
        purchase.save()
        result = components.LinkedPurchase(purchase)
        self.assertIsInstance(result, SafeText)
        self.assertIn("Bundle", result)

    def test_linked_purchase_renders_game_names_in_popover(self):
        platform = self._create_platform(icon="steam")
        game1 = self._create_game(platform, name="Alpha")
        game2 = self._create_game(platform, name="Beta")
        purchase = self._create_purchase([game1, game2], price=19.99)
        result = components.LinkedPurchase(purchase)
        self.assertIsInstance(result, SafeText)
        self.assertIn("Alpha", result)
        self.assertIn("Beta", result)


class PurchaseTruncatedTest(unittest.TestCase):
    """Test PopoverTruncated with endpart edge cases."""

    def setUp(self):
        components.enable_cache()
        components._render_cached.cache_clear()

    def tearDown(self):
        components._render_cached = components._render_cached_impl

    def test_endpart_shorter_than_length(self):
        text = "a" * 50
        result = components.PopoverTruncated(text, length=10, endpart="x")
        # endpart=x takes 1 char, so content gets truncated at 9 chars
        self.assertIn("data-popover-target", result)
        self.assertIn("x", result)

    def test_no_truncation_no_ellipsis(self):
        result = components.PopoverTruncated("short text")
        self.assertEqual(result, "short text")

    def test_custom_length(self):
        text = "hello world"
        result = components.PopoverTruncated(text, length=6)
        self.assertIn("data-popover-target", result)


class NameWithIconPlatformTest(django.test.TestCase):
    """Test NameWithIcon platform icon rendering."""

    @classmethod
    def setUpClass(cls):
        super().setUpClass()
        cls.platform = Platform.objects.create(name="Nintendo", icon="nintendo")
        cls.game = Game.objects.create(name="Zelda", platform=cls.platform)

    def test_name_with_icon_shows_platform_icon(self):
        result = components.NameWithIcon(
            name="Zelda", game=self.game, linkify=True
        )
        self.assertIsInstance(result, SafeText)
        self.assertIn("Zelda", result)

    def test_name_with_icon_no_game_id_no_platform(self):
        result = components.NameWithIcon(name="Unknown Game", linkify=False)
        self.assertIsInstance(result, SafeText)
        self.assertIn("Unknown Game", result)


class ResolveNameWithIconTest(unittest.TestCase):
    """Test _resolve_name_with_icon helper function."""

    def setUp(self):
        from unittest.mock import MagicMock

        self.mock_platform = MagicMock()
        self.mock_platform.name = "Steam"
        self.mock_platform.icon = "steam"
        self.mock_platform.pk = 1

        self.mock_game = MagicMock()
        self.mock_game.name = "Test Game"
        self.mock_game.pk = 1
        self.mock_game.platform = self.mock_platform

        self.mock_session = MagicMock()
        self.mock_session.game = self.mock_game
        self.mock_session.emulated = False
        self.mock_session.pk = 1

    def test_session_provides_game_and_emulated(self):
        name, platform, emulated, create_link, link = components._resolve_name_with_icon(
            "", self.mock_game, self.mock_session, True
        )
        self.assertEqual(name, "Test Game")
        self.assertIs(platform, self.mock_platform)
        self.assertFalse(emulated)

    def test_session_overrides_game_parameter(self):
        override_game = MagicMock()
        override_game.name = "Override"
        override_game.platform = self.mock_platform
        override_game.pk = 99
        with patch("common.components.reverse", return_value="/game/99"):
            name, platform, emulated, create_link, link = components._resolve_name_with_icon(
                "", override_game, self.mock_session, True
            )
        self.assertEqual(name, "Test Game")
        self.assertIsNot(name, "Override")

    def test_game_only_provides_platform(self):
        with patch("common.components.reverse", return_value="/game/1"):
            name, platform, emulated, create_link, link = components._resolve_name_with_icon(
                "", self.mock_game, None, True
            )
        self.assertEqual(name, "Test Game")
        self.assertIs(platform, self.mock_platform)
        self.assertTrue(create_link)
        self.assertEqual(link, "/game/1")

    def test_custom_name_overrides_game_name(self):
        name, platform, emulated, create_link, link = components._resolve_name_with_icon(
            "Custom", self.mock_game, None, False
        )
        self.assertEqual(name, "Custom")

    def test_empty_name_falls_back_to_game_name(self):
        name, platform, emulated, create_link, link = components._resolve_name_with_icon(
            "", self.mock_game, None, False
        )
        self.assertEqual(name, "Test Game")

    def test_no_game_no_session_returns_empty_name(self):
        name, platform, emulated, create_link, link = components._resolve_name_with_icon(
            "", None, None, False
        )
        self.assertEqual(name, "")
        self.assertIsNone(platform)
        self.assertFalse(create_link)

    def test_linkify_false_no_link_created(self):
        name, platform, emulated, create_link, link = components._resolve_name_with_icon(
            "", self.mock_game, None, False
        )
        self.assertFalse(create_link)
        self.assertEqual(link, "")

    def test_linkify_true_creates_link(self):
        with patch("common.components.reverse", return_value="/game/42"):
            name, platform, emulated, create_link, link = components._resolve_name_with_icon(
                "", self.mock_game, None, True
            )
        self.assertTrue(create_link)
        self.assertEqual(link, "/game/42")

    def test_session_emulated_flag_preserved(self):
        emulated_session = MagicMock()
        emulated_session.game = self.mock_game
        emulated_session.emulated = True
        emulated_session.pk = 1
        name, platform, emulated, create_link, link = components._resolve_name_with_icon(
            "", self.mock_game, emulated_session, False
        )
        self.assertTrue(emulated)

    def test_game_emulated_default_false(self):
        name, platform, emulated, create_link, link = components._resolve_name_with_icon(
            "", self.mock_game, None, False
        )
        self.assertFalse(emulated)


class SimpleTableRenderingTest(unittest.TestCase):
    """Test that c-simple-table renders rows correctly."""

    def setUp(self):
        components.enable_cache()
        components._render_cached.cache_clear()

    def tearDown(self):
        components._render_cached = components._render_cached_impl

    def test_simple_table_renders_list_rows(self):
        """Verify list-style rows render as <tr> with <th scope='row'> + <td>."""
        from django.template.loader import render_to_string
        result = render_to_string(
            "cotton/simple_table.html",
            {
                "columns": ["Game", "Started", "Ended"],
                "rows": [["Game1", "2025-01-01", "2025-03-01"]],
                "header_action": None,
                "page_obj": None,
                "elided_page_range": None,
            },
        )
        # body rows (not thead)
        tbody = result.split("<tbody")[1].split("</tbody>")[0]
        self.assertIn("<tr", tbody)
        self.assertIn("Game1", tbody)
        self.assertIn("2025-01-01", tbody)
        self.assertIn("2025-03-01", tbody)
        # first cell is <th scope="row">
        self.assertIn("th scope=\"row\"", tbody)
        # subsequent cells are <td>
        self.assertIn("<td", tbody)

    def test_simple_table_empty_rows(self):
        """Verify empty rows list renders empty <tbody>."""
        from django.template.loader import render_to_string
        result = render_to_string(
            "cotton/simple_table.html",
            {
                "columns": ["Game", "Started"],
                "rows": [],
                "header_action": None,
                "page_obj": None,
                "elided_page_range": None,
            },
        )
        self.assertIn("<tbody", result)
        tbody = result.split("<tbody")[1].split("</tbody>")[0]
        self.assertNotIn("<tr", tbody)
        self.assertNotIn("<td", tbody)

    def test_simple_table_multiple_rows(self):
        """Verify multiple rows all render."""
        from django.template.loader import render_to_string
        result = render_to_string(
            "cotton/simple_table.html",
            {
                "columns": ["Game", "Started"],
                "rows": [["GameA", "2025-01-01"], ["GameB", "2025-02-01"]],
                "header_action": None,
                "page_obj": None,
                "elided_page_range": None,
            },
        )
        tbody = result.split("<tbody")[1].split("</tbody>")[0]
        self.assertIn("GameA", tbody)
        self.assertIn("GameB", tbody)
        self.assertIn("<tr", tbody)
        # two separate <tr> elements
        self.assertEqual(tbody.count("<tr"), 2)

    def test_simple_table_dict_rows_with_cell_data(self):
        """Verify dict-style rows with row_id and cell_data render correctly."""
        from django.template.loader import render_to_string
        result = render_to_string(
            "cotton/simple_table.html",
            {
                "columns": ["Name", "Date"],
                "rows": [
                    {
                        "row_id": "session-row-1",
                        "hx_trigger": "device-changed",
                        "cell_data": ["Game1", "2025-01-01"],
                    }
                ],
                "header_action": None,
                "page_obj": None,
                "elided_page_range": None,
            },
        )
        tbody = result.split("<tbody")[1].split("</tbody>")[0]
        self.assertIn('id="session-row-1"', tbody)
        self.assertIn("device-changed", tbody)
        self.assertIn("th scope=\"row\"", tbody)
        self.assertIn("Game1", tbody)
        self.assertIn("2025-01-01", tbody)
        self.assertIn("2025-03-01", result)

    def test_simple_table_empty_rows(self):
        """Verify empty rows list renders empty <tbody>."""
        from django.template.loader import render_to_string
        result = render_to_string(
            "cotton/simple_table.html",
            {
                "columns": ["Game", "Started"],
                "rows": [],
                "header_action": None,
                "page_obj": None,
                "elided_page_range": None,
            },
        )
        self.assertIn("<tbody", result)
        tbody = result.split("<tbody")[1].split("</tbody>")[0]
        self.assertNotIn("<tr", tbody)
        self.assertNotIn("<td", tbody)

    def test_simple_table_multiple_rows(self):
        """Verify multiple rows all render."""
        from django.template.loader import render_to_string
        result = render_to_string(
            "cotton/simple_table.html",
            {
                "columns": ["Game", "Started"],
                "rows": [["GameA", "2025-01-01"], ["GameB", "2025-02-01"]],
                "header_action": None,
                "page_obj": None,
                "elided_page_range": None,
            },
        )
        tbody = result.split("<tbody")[1].split("</tbody>")[0]
        self.assertIn("GameA", tbody)
        self.assertIn("GameB", tbody)
        self.assertIn("<tr", tbody)
        self.assertEqual(tbody.count("<tr"), 2)

    def test_simple_table_header_action_as_caption(self):
        """Verify header_action renders inside <caption>."""
        from django.template.loader import render_to_string
        from django.utils.safestring import mark_safe
        result = render_to_string(
            "cotton/simple_table.html",
            {
                "columns": ["Game", "Started"],
                "rows": [["Game1", "2025-01-01"]],
                "header_action": mark_safe('<a href="/add">Add</a>'),
                "page_obj": None,
                "elided_page_range": None,
            },
        )
        self.assertIn("<caption", result)
        self.assertIn('href="/add"', result)
        self.assertIn(">Add</", result)

    def test_simple_table_dict_rows_with_cell_data(self):
        """Verify dict-style rows with row_id and cell_data render correctly."""
        from django.template.loader import render_to_string
        result = render_to_string(
            "cotton/simple_table.html",
            {
                "columns": ["Name", "Date"],
                "rows": [
                    {
                        "row_id": "session-row-1",
                        "hx_trigger": "device-changed",
                        "cell_data": ["Game1", "2025-01-01"],
                    }
                ],
                "header_action": None,
                "page_obj": None,
                "elided_page_range": None,
            },
        )
        tbody = result.split("<tbody")[1].split("</tbody>")[0]
        self.assertIn('id="session-row-1"', tbody)
        self.assertIn("device-changed", tbody)
        self.assertIn("th scope=\"row\"", tbody)
        self.assertIn("Game1", tbody)
        self.assertIn("2025-01-01", tbody)


if __name__ == "__main__":
    unittest.main()