"""Smoke tests for Sensor Bench SDK acquisition and UI construction."""

from __future__ import annotations

import os
import sys
import time
from pathlib import Path
from types import SimpleNamespace
from unittest.mock import MagicMock, patch

import numpy as np

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "src"))

os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")


def test_load_fixed_mode() -> None:
    from sensor_bench.acquisition import load_fixed_mode

    mode = load_fixed_mode(ROOT / "tests" / "fixtures" / "ddjx01_min.json")
    assert mode.width == 1920
    assert mode.height == 1080
    assert mode.fps == 30.0
    assert mode.stitch_width == 365
    assert "1920x1080" in mode.label()


def test_translator_chinese_default() -> None:
    from sensor_bench.i18n import DEFAULT_LOCALE, Translator
    from sensor_bench.paths import default_locales_dir

    assert DEFAULT_LOCALE == "zh_CN"
    tr = Translator(default_locales_dir())
    assert tr.locale == "zh_CN"
    assert "传感器" in tr.t("app.title")
    tr.set_locale("en_US")
    assert tr.t("app.title") == "Sensor Bench"
    assert "Power on" in tr.step_title("power_on")


def test_sdk_worker_packet_mapping() -> None:
    from sensor_bench.acquisition import SdkAcquisitionWorker

    raw = np.zeros((1080, 1920, 3), dtype=np.uint8)
    processed = np.full((365, 365, 3), 40, dtype=np.uint8)

    class FakeSensor:
        def __init__(self, *args, **kwargs):
            self.frame = raw.copy()
            self.info = SimpleNamespace(FNORMAL=1, FSHEARX=2, FSHEARY=3)

        def get_img(self):
            self.frame = raw.copy()
            return processed.copy()

        def compute_deformation(self, **kwargs):
            return True

        def compute_contact(self):
            return True

        def read_info(self, *args):
            return 1.0, 2.0, 3.0

        def disconnect(self):
            pass

    fake_orisys = MagicMock()
    fake_orisys.Sensor = FakeSensor
    fake_orisys.__version__ = "test"

    worker = SdkAcquisitionWorker()
    with patch.dict(sys.modules, {"orisys": fake_orisys}):
        with patch("sensor_bench.acquisition.orisys_importable", return_value=(True, "test")):
            mode = worker.start(
                0,
                config_path=ROOT / "tests" / "fixtures" / "ddjx01_min.json",
                backend="cpu",
            )
            assert mode.width == 1920
            deadline = time.time() + 2.0
            packet = None
            while time.time() < deadline:
                packet = worker.latest()
                if packet is not None:
                    break
                time.sleep(0.02)
            worker.stop()

    assert packet is not None
    assert packet.width == 1920
    assert packet.height == 1080
    assert packet.processed_width == 365
    assert packet.processed_height == 365
    assert packet.normal_force == 1.0
    assert packet.shear_x == 2.0
    assert packet.shear_y == 3.0
    assert packet.raw_frame.shape[:2] == (1080, 1920)
    assert packet.processed_frame.shape[:2] == (365, 365)


def test_mainwindow_offscreen() -> None:
    from PyQt5.QtWidgets import QApplication
    from sensor_bench.app import MainWindow
    from sensor_bench.acquisition import FixedCameraMode
    from sensor_bench.i18n import DEFAULT_LOCALE

    app = QApplication.instance() or QApplication([])
    win = MainWindow()
    assert win.tr.locale == DEFAULT_LOCALE == "zh_CN"
    assert "传感器" in win.windowTitle()
    assert win.btn_start.text() == "开始预览"
    assert win.camera_index.value() == 0
    assert win.btn_next is not None
    assert win.btn_revert is not None
    assert win.btn_reset is not None
    assert win.sensor_type_combo.count() == 2
    assert win.indentor_combo.count() == 2
    assert win.platform_combo.count() == 3
    assert win.selected_sensor_options()["sensor_type"] == "BOX"
    assert win.selected_sensor_options()["indentor"] == "1mm_circle"
    assert win.selected_sensor_options()["platform"] == "manual"
    assert not hasattr(win, "resolution_combo")
    assert not hasattr(win, "btn_search")
    assert win._current_step_index == 0
    assert not win.btn_revert.isEnabled()
    assert win.btn_next.isEnabled()

    # Language switch refreshes labels without restart.
    win.language_combo.setCurrentIndex(1)
    assert win.tr.locale == "en_US"
    assert win.windowTitle() == "Sensor Bench"
    assert win.btn_start.text() == "Start Preview"

    # Workflow next / revert / reset.
    total = len(win.workflow.steps)
    win._on_step_next()
    assert win._current_step_index == 1
    assert win.btn_revert.isEnabled()
    win._on_step_revert()
    assert win._current_step_index == 0
    for _ in range(total):
        win._on_step_next()
    assert win._current_step_index == total
    assert not win.btn_next.isEnabled()
    assert "completed" in win.workflow_status.text().lower() or "完成" in win.workflow_status.text()
    win._on_step_reset()
    assert win._current_step_index == 0
    assert win.btn_next.isEnabled()

    win._fixed_mode = FixedCameraMode(
        width=1920,
        height=1080,
        fps=30.0,
        config_ref=str(ROOT / "tests" / "fixtures" / "ddjx01_min.json"),
        stitch_width=365,
        stitch_height=365,
    )
    win.mode_label.setText(win.t("labels.fixed_mode", mode=win._fixed_mode.label()))
    assert "1920x1080" in win.mode_label.text()
    win.close()


if __name__ == "__main__":
    test_load_fixed_mode()
    test_translator_chinese_default()
    test_sdk_worker_packet_mapping()
    test_mainwindow_offscreen()
    print("ok")