"""
侧栏折叠测试：
- 默认状态可见
- _toggle_sidebar 后隐藏 + 浮动按钮显示
- 再 toggle 恢复，splitter 宽度还原
- 菜单 act_toggle_sidebar 同步状态
- Ctrl+B 快捷键一次按键只触发一次（回归：曾经双绑定 toggle 两次=没反应）
- 浮动按钮用父级局部坐标，贴主窗口左边缘
- 折叠状态持久化到 settings，新窗口恢复
"""
import os
import sys
import tempfile
from pathlib import Path

os.environ["QT_QPA_PLATFORM"] = "offscreen"
sys.path.insert(0, os.path.dirname(__file__))

# 隔离配置：不污染真实 ~/.sshclient/settings.json
import ui.theme as theme
_tmpdir = tempfile.mkdtemp(prefix="sshclient_sidebar_test_")
theme.CONFIG_DIR = Path(_tmpdir)
theme.SETTINGS_FILE = Path(_tmpdir) / "settings.json"

from PyQt5.QtCore import Qt
from PyQt5.QtTest import QTest
from PyQt5.QtWidgets import QApplication

from ui.main_window import MainWindow


def main():
    app = QApplication(sys.argv)

    print("[1/7] 默认状态：侧栏可见")
    w = MainWindow()
    w.show()
    w.activateWindow()
    app.processEvents()
    assert w._sidebar_collapsed is False
    assert w.left_panel.isVisible()
    assert w.btn_collapse_sidebar.text() == "◀"
    assert w.btn_show_sidebar.isHidden()
    print("  ✓ left_panel 可见, btn_collapse_sidebar='◀', btn_show_sidebar 隐藏")

    print("[2/7] 折叠：侧栏隐藏 + 浮动按钮显示")
    w._toggle_sidebar()
    app.processEvents()
    assert w._sidebar_collapsed is True
    assert not w.left_panel.isVisible()
    assert w.btn_collapse_sidebar.text() == "▶"
    assert w.btn_show_sidebar.isVisible()
    # 菜单项同步
    assert w.act_toggle_sidebar.isChecked()
    assert "展开" in w.act_toggle_sidebar.text()
    print("  ✓ left_panel 隐藏, btn_collapse_sidebar='▶', btn_show_sidebar 可见, 菜单项 checked+text 已同步")

    print("[3/7] 展开：恢复 + splitter 宽度还原")
    w._toggle_sidebar()
    app.processEvents()
    assert w._sidebar_collapsed is False
    assert w.left_panel.isVisible()
    assert w.btn_collapse_sidebar.text() == "◀"
    assert w.btn_show_sidebar.isHidden()
    assert not w.act_toggle_sidebar.isChecked()
    assert "隐藏" in w.act_toggle_sidebar.text()
    left_w = w.splitter.sizes()[0]
    assert left_w > 0, f"展开后侧栏宽度应 >0, 实际 {left_w}"
    print(f"  ✓ 恢复原状, splitter 侧栏宽度={left_w}px")

    print("[4/7] 连续折叠/展开多次")
    # 当前 collapsed=False；第 k 次 toggle 后 collapsed = (k 为奇数)
    for i in range(5):
        w._toggle_sidebar()
        app.processEvents()
        expected = (i % 2 == 0)  # i=0 → 第1次 → True
        assert w._sidebar_collapsed == expected, \
            f"第 {i+1} 次切换后应为 {expected}, 实际 {w._sidebar_collapsed}"
        assert w.left_panel.isVisible() == (not expected)
    # 5 次后 collapsed=True，再 toggle 一次回到 False
    w._toggle_sidebar()
    app.processEvents()
    assert w._sidebar_collapsed is False
    print("  ✓ 6 次切换状态全部正确")

    print("[5/7] Ctrl+B 快捷键：一次按键只触发一次")
    before = w._sidebar_collapsed
    QTest.keyClick(w, Qt.Key_B, Qt.ControlModifier)
    app.processEvents()
    assert w._sidebar_collapsed == (not before), \
        f"Ctrl+B 未生效（或双绑定触发了两次）: before={before}, after={w._sidebar_collapsed}"
    QTest.keyClick(w, Qt.Key_B, Qt.ControlModifier)
    app.processEvents()
    assert w._sidebar_collapsed == before
    print(f"  ✓ 按两次 Ctrl+B: {before} → {not before} → {before}")

    print("[6/7] 浮动按钮位置：父级局部坐标 (4, 100)")
    if not w._sidebar_collapsed:
        w._toggle_sidebar()
        app.processEvents()
    pos = w.btn_show_sidebar.pos()
    assert (pos.x(), pos.y()) == (4, 100), \
        f"浮动按钮位置 ({pos.x()}, {pos.y()}) != (4, 100)"
    print(f"  ✓ 浮动按钮局部坐标 ({pos.x()}, {pos.y()})，窗口移动/缩放都不会飘走")
    w._toggle_sidebar()
    app.processEvents()

    print("[7/7] 状态持久化：重启后恢复折叠状态")
    # 折叠 → 新窗口应恢复为折叠
    if not w._sidebar_collapsed:
        w._toggle_sidebar()
        app.processEvents()
    assert theme.load_settings()["sidebar_collapsed"] is True
    w2 = MainWindow()
    w2.show()
    app.processEvents()
    assert w2._sidebar_collapsed is True
    assert not w2.left_panel.isVisible()
    assert w2.btn_show_sidebar.isVisible()
    assert w2.act_toggle_sidebar.isChecked()
    # 展开 → 再开新窗口应恢复为展开
    w2._toggle_sidebar()
    app.processEvents()
    w3 = MainWindow()
    w3.show()
    app.processEvents()
    assert w3._sidebar_collapsed is False
    assert w3.left_panel.isVisible()
    assert w3.btn_show_sidebar.isHidden()
    print("  ✓ 折叠/展开状态均能跨启动恢复（含菜单项勾选同步）")

    print("\n侧栏折叠测试全部通过 ✓")


if __name__ == "__main__":
    main()