"""Tests for OutputTargetStore — CRUD for LED and key_colors targets."""

import pytest

from wled_controller.storage.output_target import OutputTarget
from wled_controller.storage.output_target_store import OutputTargetStore
from wled_controller.storage.wled_output_target import WledOutputTarget
from wled_controller.storage.key_colors_output_target import (
    KeyColorsOutputTarget,
)


@pytest.fixture
def store(tmp_path) -> OutputTargetStore:
    return OutputTargetStore(str(tmp_path / "output_targets.json"))


# ---------------------------------------------------------------------------
# OutputTarget model dispatching
# ---------------------------------------------------------------------------


class TestOutputTargetModel:
    def test_led_from_dict(self):
        data = {
            "id": "pt_1",
            "name": "LED Target",
            "target_type": "led",
            "device_id": "dev_1",
            "color_strip_source_id": "css_1",
            "fps": 30,
            "protocol": "ddp",
            "created_at": "2025-01-01T00:00:00+00:00",
            "updated_at": "2025-01-01T00:00:00+00:00",
        }
        target = OutputTarget.from_dict(data)
        assert isinstance(target, WledOutputTarget)
        assert target.device_id == "dev_1"

    def test_key_colors_from_dict(self):
        data = {
            "id": "pt_2",
            "name": "KC Target",
            "target_type": "key_colors",
            "picture_source_id": "ps_1",
            "settings": {},
            "created_at": "2025-01-01T00:00:00+00:00",
            "updated_at": "2025-01-01T00:00:00+00:00",
        }
        target = OutputTarget.from_dict(data)
        assert isinstance(target, KeyColorsOutputTarget)

    def test_unknown_type_raises(self):
        data = {
            "id": "pt_3",
            "name": "Bad",
            "target_type": "nonexistent",
            "created_at": "2025-01-01T00:00:00+00:00",
            "updated_at": "2025-01-01T00:00:00+00:00",
        }
        with pytest.raises(ValueError, match="Unknown target type"):
            OutputTarget.from_dict(data)


# ---------------------------------------------------------------------------
# OutputTargetStore CRUD
# ---------------------------------------------------------------------------


class TestOutputTargetStoreCRUD:
    def test_create_led_target(self, store):
        t = store.create_target(
            name="LED 1",
            target_type="led",
            device_id="dev_1",
            color_strip_source_id="css_1",
            fps=60,
            protocol="ddp",
        )
        assert t.id.startswith("pt_")
        assert isinstance(t, WledOutputTarget)
        assert t.name == "LED 1"
        assert store.count() == 1

    def test_create_key_colors_target(self, store):
        t = store.create_target(
            name="KC 1",
            target_type="key_colors",
            picture_source_id="ps_1",
        )
        assert isinstance(t, KeyColorsOutputTarget)
        assert t.picture_source_id == "ps_1"

    def test_create_invalid_type(self, store):
        with pytest.raises(ValueError, match="Invalid target type"):
            store.create_target(name="Bad", target_type="invalid")

    def test_get_all(self, store):
        store.create_target("A", "led")
        store.create_target("B", "led")
        assert len(store.get_all_targets()) == 2

    def test_get(self, store):
        created = store.create_target("Get", "led")
        got = store.get_target(created.id)
        assert got.name == "Get"

    def test_delete(self, store):
        t = store.create_target("Del", "led")
        store.delete_target(t.id)
        assert store.count() == 0

    def test_delete_not_found(self, store):
        with pytest.raises(ValueError, match="not found"):
            store.delete_target("nope")


# ---------------------------------------------------------------------------
# Update
# ---------------------------------------------------------------------------


class TestOutputTargetUpdate:
    def test_update_name(self, store):
        t = store.create_target("Old", "led")
        updated = store.update_target(t.id, name="New")
        assert updated.name == "New"

    def test_update_led_fields(self, store):
        t = store.create_target("LED", "led", fps=30, protocol="ddp")
        updated = store.update_target(t.id, fps=60, protocol="drgb")
        assert isinstance(updated, WledOutputTarget)
        assert updated.fps == 60
        assert updated.protocol == "drgb"

    def test_update_not_found(self, store):
        with pytest.raises(ValueError, match="not found"):
            store.update_target("nope", name="X")

    def test_update_tags(self, store):
        t = store.create_target("Tags", "led", tags=["old"])
        updated = store.update_target(t.id, tags=["new", "tags"])
        assert updated.tags == ["new", "tags"]


# ---------------------------------------------------------------------------
# Name uniqueness
# ---------------------------------------------------------------------------


class TestOutputTargetNameUniqueness:
    def test_duplicate_name_create(self, store):
        store.create_target("Same", "led")
        with pytest.raises(ValueError, match="already exists"):
            store.create_target("Same", "led")

    def test_duplicate_name_update(self, store):
        store.create_target("First", "led")
        t2 = store.create_target("Second", "led")
        with pytest.raises(ValueError, match="already exists"):
            store.update_target(t2.id, name="First")


# ---------------------------------------------------------------------------
# Query helpers
# ---------------------------------------------------------------------------


class TestOutputTargetQueries:
    def test_get_targets_for_device(self, store):
        store.create_target("T1", "led", device_id="dev_a")
        store.create_target("T2", "led", device_id="dev_b")
        store.create_target("T3", "led", device_id="dev_a")

        results = store.get_targets_for_device("dev_a")
        assert len(results) == 2
        assert all(isinstance(t, WledOutputTarget) for t in results)

    def test_get_targets_for_device_empty(self, store):
        assert store.get_targets_for_device("nonexistent") == []

    def test_get_targets_referencing_css(self, store):
        store.create_target("T1", "led", color_strip_source_id="css_x")
        store.create_target("T2", "led", color_strip_source_id="css_y")
        names = store.get_targets_referencing_css("css_x")
        assert names == ["T1"]


# ---------------------------------------------------------------------------
# Persistence
# ---------------------------------------------------------------------------


class TestOutputTargetPersistence:
    def test_persist_and_reload(self, tmp_path):
        path = str(tmp_path / "ot_persist.json")
        s1 = OutputTargetStore(path)
        t = s1.create_target(
            "Persist", "led",
            device_id="dev_1",
            fps=60,
            tags=["tv"],
        )
        tid = t.id

        s2 = OutputTargetStore(path)
        loaded = s2.get_target(tid)
        assert loaded.name == "Persist"
        assert isinstance(loaded, WledOutputTarget)
        assert loaded.tags == ["tv"]