import pytest
from unittest.mock import patch, MagicMock
from cursor_flasher.detector import (
    CursorDetector,
    PollResult,
    parse_ui_signals,
    UISignals,
)


class TestParseUISignals:
    def test_no_elements_means_no_signals(self):
        signals = parse_ui_signals([])
        assert signals.agent_working is False
        assert signals.approval_needed is False

    def test_stop_text_means_agent_working(self):
        elements = [{"role": "AXStaticText", "value": "Stop"}]
        signals = parse_ui_signals(elements)
        assert signals.agent_working is True

    def test_cancel_generating_means_agent_working(self):
        elements = [{"role": "AXStaticText", "value": "Cancel generating"}]
        signals = parse_ui_signals(elements)
        assert signals.agent_working is True

    def test_accept_text_means_approval_needed(self):
        elements = [{"role": "AXStaticText", "value": "Accept"}]
        signals = parse_ui_signals(elements)
        assert signals.approval_needed is True

    def test_reject_text_means_approval_needed(self):
        elements = [{"role": "AXStaticText", "value": "Reject"}]
        signals = parse_ui_signals(elements)
        assert signals.approval_needed is True

    def test_run_this_time_means_approval_needed(self):
        elements = [{"role": "AXStaticText", "value": "Run this time only (⏎)"}]
        signals = parse_ui_signals(elements)
        assert signals.approval_needed is True

    def test_both_signals(self):
        elements = [
            {"role": "AXStaticText", "value": "Stop"},
            {"role": "AXStaticText", "value": "Accept"},
        ]
        signals = parse_ui_signals(elements)
        assert signals.agent_working is True
        assert signals.approval_needed is True

    def test_irrelevant_text_ignored(self):
        elements = [{"role": "AXStaticText", "value": "Settings"}]
        signals = parse_ui_signals(elements)
        assert signals.agent_working is False
        assert signals.approval_needed is False

    def test_button_role_also_detected(self):
        elements = [{"role": "AXButton", "title": "Accept"}]
        signals = parse_ui_signals(elements)
        assert signals.approval_needed is True

    def test_partial_match_on_run_command(self):
        elements = [{"role": "AXStaticText", "value": "Run command"}]
        signals = parse_ui_signals(elements)
        assert signals.approval_needed is True


class TestCursorDetector:
    def test_returns_none_when_cursor_not_running(self):
        detector = CursorDetector()
        with patch.object(detector, "_find_cursor_pid", return_value=None):
            result = detector.poll()
            assert result is None


class TestPollResult:
    def test_default_has_empty_active_windows(self):
        result = PollResult(signals=UISignals())
        assert result.active_windows == []
        assert result.signals.agent_working is False
        assert result.signals.approval_needed is False