from __future__ import annotations

import pytest
from PySide6.QtGui import QPalette
from PySide6.QtWidgets import QApplication, QPushButton

from doctor_workstation.core import PermissionSet
from doctor_workstation.ui.pages import reception as reception_module
from doctor_workstation.ui.pages.reception import ReceptionDailyRecordsPanel, ReceptionPage
from doctor_workstation.ui.theme import COLORS, apply_theme


@pytest.fixture(scope="module")
def application():
    app = QApplication.instance() or QApplication([])
    apply_theme(app)
    return app


def settle(app):
    for _ in range(6):
        app.processEvents()


@pytest.fixture
def page(application, monkeypatch):
    monkeypatch.setattr(reception_module, "run_async", lambda *_args, **_kwargs: None)
    widget = ReceptionPage(object(), PermissionSet([]))
    widget.resize(1080, 760)
    widget.show()
    widget.poll_timer.stop()
    widget.detail_stack.setCurrentIndex(1)
    settle(application)
    yield widget
    widget.close()
    widget.deleteLater()
    settle(application)


def test_reception_prompts_remain_readable_in_a_narrow_workspace(page, application):
    settle(application)
    for button in page.ai_prompt_buttons:
        assert button.width() >= button.minimumSizeHint().width()
        assert button.parentWidget().rect().contains(button.geometry())
    analysis = page.ai_analysis_card.geometry()
    assistant = page.ai_assistant_card.geometry()
    assert assistant.top() > analysis.bottom()


def test_hidden_tall_consultation_does_not_expand_daily_records(page, application):
    page.detail_tabs.setCurrentIndex(0)
    settle(application)
    consultation_height = page.clinical_pages.height()
    page.detail_tabs.setCurrentIndex(3)
    settle(application)
    assert page.clinical_pages.height() < consultation_height - 80


def test_short_risk_labels_stay_on_one_line(page, application):
    page._render_ai_risk_chips([{"label": "血糖波动风险", "level": "medium"}])
    page.ai_analysis_stack.setCurrentWidget(page.ai_analysis_content_page)
    settle(application)
    chip = page.ai_risk_chip_layout.itemAt(0).widget()
    assert chip.width() >= chip.fontMetrics().horizontalAdvance(chip.text()) + 18


def test_seven_day_matrix_fits_readable_columns_without_unnecessary_horizontal_scroll(application):
    panel = ReceptionDailyRecordsPanel()
    panel.resize(900, 580)
    panel.set_data({}, [])
    panel.show()
    settle(application)
    try:
        assert panel.matrix.columnCount() == 8
        assert panel.matrix.horizontalScrollBar().maximum() == 0
        assert all(panel.matrix.columnWidth(i) >= 96 for i in range(1, 8))
        panel.range_buttons["30"].click()
        panel.set_data({}, [])
        settle(application)
        assert panel.matrix.columnCount() == 31
        assert panel.matrix.horizontalScrollBar().maximum() > 0
        assert panel.matrix.columnWidth(1) >= 96
    finally:
        panel.close()


@pytest.mark.parametrize("variant", ["secondary", "success", "warning", "danger", "link"])
def test_disabled_semantic_buttons_do_not_look_actionable(application, variant):
    button = QPushButton("查看记录")
    button.setProperty("variant", variant)
    button.setEnabled(False)
    button.ensurePolished()
    assert button.palette().color(QPalette.ColorGroup.Disabled, QPalette.ColorRole.ButtonText).name() == COLORS["disabled_text"].lower()
    button.close()