from __future__ import annotations

from collections import deque

from agents.observer import Observer
from core.models import Bounds, Scene, SceneElement
from semantic.models import SemanticScene, SemanticWidget
from world.models import WorldState


def _make_scene() -> Scene:
    return Scene(
        width=1080,
        height=1920,
        elements=[
            SceneElement(id="btn1", type="button", bounds=Bounds(10, 20, 100, 50), text="Send"),
            SceneElement(id="txt1", type="text", bounds=Bounds(0, 0, 500, 30), text="Hello"),
        ],
    )


def _make_semantic_scene() -> SemanticScene:
    return SemanticScene(
        page="chat",
        intents=["send_message"],
        widgets=[SemanticWidget(element_id="btn1", purpose="send button")],
    )


def _make_world() -> WorldState:
    state = WorldState(
        current_app="com.example.messenger",
        current_page="conversation",
        variables={"draft": "hello"},
    )
    return state


def test_observe_with_semantic_and_world() -> None:
    obs = Observer().observe(
        scene=_make_scene(),
        semantic_scene=_make_semantic_scene(),
        world=_make_world(),
    )
    assert obs.semantic_page == "chat"
    assert obs.semantic_intents == ["send_message"]
    assert obs.world_app == "com.example.messenger"
    assert obs.world_page == "conversation"
    assert obs.world_variables == {"draft": "hello"}
    assert obs.raw_scene is not None


def test_observe_without_semantic_or_world() -> None:
    obs = Observer().observe(scene=_make_scene())
    assert obs.semantic_page is None
    assert obs.semantic_intents == []
    assert obs.world_app is None
    assert obs.world_page is None
    assert obs.world_variables == {}
    assert obs.scene_summary is not None
    assert obs.raw_scene is not None


def test_observe_with_semantic_only() -> None:
    obs = Observer().observe(
        scene=_make_scene(),
        semantic_scene=_make_semantic_scene(),
    )
    assert obs.semantic_page == "chat"
    assert obs.world_app is None


def test_observe_with_world_only() -> None:
    obs = Observer().observe(
        scene=_make_scene(),
        world=_make_world(),
    )
    assert obs.semantic_page is None
    assert obs.world_app == "com.example.messenger"


def test_observe_scene_summary_includes_elements() -> None:
    obs = Observer().observe(scene=_make_scene())
    assert "1080x1920" in obs.scene_summary
    assert "Send" in obs.scene_summary