"""GUI 功能自检(offscreen 无窗口): 组帧预览/TX回显/帧日志/通道提取/显示切换/
未连接丢弃/配置往返
====================================================================
不依赖硬件与串口, 直接驱动 Window 的事件处理函数; 改 main.py 后建议重跑。

用法: python selftest_gui.py   (全部通过退出码 0)
"""
import os
import sys

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

from PySide6.QtWidgets import QApplication

import config
import main as m
import protocol as d
from plot import fmt_val

fails = []


def check(name, got, want):
    ok = got == want
    print(('PASS' if ok else 'FAIL'), name, '->', repr(got)[:120],
          '' if ok else f'(期望 {want!r})')
    if not ok:
        fails.append(name)


# 0) 数值显示格式: 普通小数千分位(科学计数只留给 10 亿以上)
check('fmt_val 千分位', fmt_val(28210029), '28,210,029')
check('fmt_val 小数', fmt_val(24.6), '24.6')
check('fmt_val 负小数', fmt_val(-0.25), '-0.25')
check('fmt_val 零', fmt_val(0), '0')

app = QApplication(sys.argv)
win = m.Window()
win.show()                                       # offscreen 显示, isVisible 类断言前提
check('倍率/偏移/序号框宽度(防数值裁切回归)',
      win._ch_ui[0]['scale'].width() >= 130
      and win._ch_ui[0]['off'].width() >= 110
      and win._ch_ui[0]['idx'].width() >= 110, True)
win._apply_minimum_size()
check('窗口最小高度(防曲线卡叠压)', win.minimumHeight() >= 800, True)

# 0b) 曲线时间窗换算(纯计算; 窗口不向数据收敛——选 5min 就显示 5min 宽的轴)
p = win.plot
p.set_view(10)
p.set_offset(0)
check('时间窗跟随右缘', p.visible_domain(0, 100) == (90.0, 100.0), True)
p.set_offset(30)
check('时间窗滞后回看', p.visible_domain(0, 100) == (60.0, 70.0), True)
p.set_offset(90)
check('时间窗滑到最旧', p.visible_domain(0, 100) == (0.0, 10.0), True)
p.set_offset(500)
check('滞后超史为空窗(保宽)', p.visible_domain(0, 100) == (-410.0, -400.0), True)
p.set_view(300)
p.set_offset(0)
check('数据不足窗宽不收敛', p.visible_domain(0, 23) == (-277.0, 23.0), True)
p.set_view(None)
p.set_offset(0)
check('跟随全部', p.visible_domain(0, 100) == (0.0, 100.0), True)

# 0c) 悬停读值: 最近采样命中/容差外未命中
import time as _time
base = _time.perf_counter()
p._times[0].clear()
p._vals[0].clear()
p._names[0] = '甲'
for tt, vv in ((0.0, 10.0), (1.0, 20.0), (2.0, 30.0)):
    p._times[0].append(base + tt)
    p._vals[0].append(vv)
check('悬停命中最近点', p._nearest(0, base + 1.9, 0.2) == ('甲', 30.0), True)
check('悬停容差外未命中', p._nearest(0, base + 1.4, 0.2) is None, True)
lo, hi = p.auto_yrange()
check('自动Y量程', abs(lo - 8.4) < 1e-9 and abs(hi - 31.6) < 1e-9, True)
from PySide6.QtCore import QPoint
p.resize(600, 300)                                # 未走布局, 手动给几何
lines = p._hover_lines_at(QPoint(320, 150))       # x=绘图区正中 → t=base+1.0
check('悬停框内容(位置固定也随数据刷新)',
      lines[:2] == [f'T = {base + 1.0:.2f}s', '甲 = 20'], True)

# 0d) 暂停渲染 vs 暂停采集: 冻结期间继续收数, 解冻后数据都在
p.set_frozen(True)
n0 = len(p._times[0])
p.add(0, 42.0)
check('冻结期间继续收数', p.is_frozen() and len(p._times[0]) == n0 + 1, True)
p.set_frozen(False)
p.set_paused(True)
n1 = len(p._times[0])
p.add(0, 43.0)
check('暂停期间丢弃', p.is_paused() and len(p._times[0]) == n1, True)
p.set_paused(False)

# 1) 组帧预览: 多条 '/' 分隔
win.ed_tx.setText('M1/M731S0T1000')
check('多条预览', win.lb_preview.text(),
      'D5 01 02 4D 31 81  |  D5 01 0B 4D 37 33 31 53 30 54 31 30 30 30 8C')
win.combo_tx_mode.setCurrentIndex(1)
win.ed_tx.setText('D5 01 02 4D 31 81')
check('HEX预览', win.lb_preview.text(), '→ D5 01 02 4D 31 81')
win.combo_tx_mode.setCurrentIndex(0)
win.ed_tx.setText('M1')

# 1b) 帧构成定制: 无板ID布局 + LEN 口径切换 + 非法输入提示
win.ed_layout.setText('HDR LEN PAYLOAD CRC')
check('帧构成无ID预览', win.lb_preview.text(), 'D5 02 4D 31 80')
win.combo_len_sem.setCurrentIndex(1)              # 到帧尾(payload+CRC)
check('帧构成LEN口径预览', win.lb_preview.text(), 'D5 03 4D 31 81')
win.combo_len_sem.setCurrentIndex(0)
win.ed_layout.setText('HDR LEN')                  # 缺 PAYLOAD/CRC -> 拒绝
check('帧构成非法提示', win.lb_preview.text().startswith('⚠'), True)
check('帧构成非法详情', 'PAYLOAD 必须恰好出现一次' in win.lb_proto.text(), True)
win.ed_layout.setText(d.DEFAULT_LAYOUT)
check('帧构成还原预览', win.lb_preview.text(), 'D5 01 02 4D 31 81')

# 2) TX 回显行
cfg = win._proto_from_ui()
win._on_tx('M1', cfg.build_frame(b'M1'))
check('TX日志行', 'M1   [D5 01 02 4D 31 81]' in win.text_rx.toPlainText(), True)

# 3) 帧事件: 日志 + 通道提取(文本数字×0.1)
win.combo_display.setCurrentIndex(0)
fr = d.FrameParser(d.ProtoConfig()).feed(
    bytes.fromhex('B5 F0 08 6F 6B 54 4C 3A 32 34 36 48'))[0]
win._ch_ui[0]['chk'].setChecked(True)
win._ch_ui[0]['mode'].setCurrentIndex(1)          # 文本数字
win._ch_ui[0]['idx'].setValue(1)
win._ch_ui[0]['scale'].setValue(0.1)
win._on_frame(fr)
last = win.text_rx.toPlainText().splitlines()[-1]
check('帧日志含 TYPE 名', 'B=0xF0 成功' in last and 'LEN=8' in last
      and 'okTL:246' in last, True)
check('通道最新值', win._ch_ui[0]['val'].text(), '24.6')

# 4) HEX 显示切换 + 原始帧
win.combo_display.setCurrentIndex(1)
win._on_frame(fr)
last = win.text_rx.toPlainText().splitlines()[-1]
check('HEX显示+原始帧', '6F 6B 54 4C 3A 32 34 36' in last
      and '[B5 F0 08 6F 6B 54 4C 3A 32 34 36 48]' in last, True)

# 5) 透传行
win.combo_display.setCurrentIndex(1)
win._on_raw(b'\x11\x22')
check('透传HEX行', win.text_rx.toPlainText().splitlines()[-1].endswith('11 22'), True)

# 6) 未连接发送丢弃
win._send()
win._drain_events()
check('未连接发送提示', '未连接串口, 命令被丢弃' in win.text_rx.toPlainText(), True)

# 7) 配置往返
store = win._store_from_ui()
check('配置 proto', (store['proto']['tx_hdr'], store['proto']['crc_algo']),
      ('D5', 'SUM8'))
check('配置帧构成', (store['proto']['layout'], store['proto']['len_sem']),
      (d.DEFAULT_LAYOUT, 'payload'))
check('配置通道1', (store['channels'][0]['enabled'], store['channels'][0]['scale']),
      (True, 0.1))

# 8) 板型档案: 保存/切换应用协议参数/存入命令/清理
check('板型档案加载', win.combo_profile.count() >= 1, True)
win.ed_board.setText('03')
check('存为板型', win._save_profile_as('测试板'), True)
names = [win.combo_profile.itemText(i) for i in range(win.combo_profile.count())]
check('板型入列', '测试板' in names, True)
pidx = names.index('测试板')
win.combo_profile.setCurrentIndex(pidx)
check('切换板型应用板ID', win.ed_board.text(), '03')
win.combo_profile.setCurrentIndex(0)
check('切回默认板ID', win.ed_board.text(), '01')
win.ed_tx.setText('M1')
win._add_command_named('M1', 'M1')
check('存入命令去重', any(c[1] == 'M1' for c in win._commands)
      and len([c for c in win._commands if c[1] == 'M1']) == 1, True)
check('预设显示名命令', win.combo_preset.itemText(0) == '握手 · M1', True)
# 10) 新建板型(命令预设从空白开始) + 命令预设表编辑器
check('新建板型', win._new_profile_named('新建测试板'), True)
check('重名新建拒绝', win._new_profile_named('新建测试板'), False)
check('新建板型命令为空', win._commands == [], True)
dlg = m.ProfileEditDialog(win.profiles[win.combo_profile.currentIndex()])
from PySide6.QtWidgets import QTableWidgetItem
for r, (n, c) in enumerate((('甲', 'A1'), ('乙', 'B2'), ('丙', 'C3'))):
    dlg.table._add_row()
    dlg.table.setItem(r, 1, QTableWidgetItem(n))
    dlg.table.setItem(r, 2, QTableWidgetItem(c))
check('编辑器收集', dlg.commands() == [['甲', 'A1'], ['乙', 'B2'], ['丙', 'C3']],
      True)
dlg.table.move_row(0, 2)                          # 拖动排序: 首行挪到末尾
check('拖动换序', dlg.commands() == [['乙', 'B2'], ['丙', 'C3'], ['甲', 'A1']],
      True)
check('手柄列存在', dlg.table.item(0, 0).text() == '≡', True)
dlg.table._add_row()                              # 重复命令与空命令行均被忽略
dlg.table.setItem(3, 1, QTableWidgetItem('重复'))
dlg.table.setItem(3, 2, QTableWidgetItem('B2'))
check('编辑器去重空行', dlg.commands() == [['乙', 'B2'], ['丙', 'C3'], ['甲', 'A1']],
      True)
# 11) 删除板型: 核函数删除/不存在拒绝/至少保留一个
check('删除板型', win._delete_profile('新建测试板'), True)
check('删除后不在列', all(p['name'] != '新建测试板' for p in win.profiles), True)
check('删除不存在拒绝', win._delete_profile('不存在的板型'), False)
# 清理运行态测试板型
win.profiles[:] = [p for p in win.profiles if p['name'] != '测试板']
config.save_profiles(win.profiles)
win._reload_profiles()
check('清理测试板型', all(p['name'] != '测试板' for p in win.profiles), True)

# 9) 曲线弹出/嵌回
win._toggle_plot_window()
check('曲线弹出', win._plot_win is not None
      and win.plot.window() is win._plot_win, True)
win._toggle_plot_window()
check('曲线嵌回', win._plot_win is None and win.plot.parent() is not None, True)
win._pop_plot()
win._dock_plot()
check('弹出后关窗嵌回', win._plot_win is None and win.plot.isVisible(), True)

win.link.close()
print('RESULT:', 'FAIL:' + ','.join(fails) if fails else 'ALL PASS')
sys.exit(1 if fails else 0)