#include "networktestwidget.h"
#include "overlaydialogswidget.h"
#include <QScrollArea>
#include <QDateTime>
#include <QDebug>

// 样式常量定义
const QString NetworkTestWidget::BUTTON_STYLE = R"(
    QPushButton {
        background-color: #f5f5f5;
        color: #333333;
        border: 1px solid #ddd;
        border-radius: 6px;
        padding: 8px 16px;
        font-size: 14px;
        font-weight: 500;
        min-height: 36px;
    }
    QPushButton:hover {
        background-color: #e8e8e8;
        border-color: #ccc;
    }
    QPushButton:pressed {
        background-color: #d0d0d0;
    }
    QPushButton:disabled {
        background-color: #f0f0f0;
        color: #999;
    }
)";

const QString NetworkTestWidget::PRIMARY_BUTTON_STYLE = R"(
    QPushButton {
        background-color: #2196F3;
        color: white;
        border: none;
        border-radius: 6px;
        padding: 8px 16px;
        font-size: 14px;
        font-weight: 500;
        min-height: 36px;
    }
    QPushButton:hover {
        background-color: #1976D2;
    }
    QPushButton:pressed {
        background-color: #1565C0;
    }
    QPushButton:disabled {
        background-color: #90CAF9;
    }
)";

const QString NetworkTestWidget::INPUT_STYLE = R"(
    QLineEdit {
        background-color: white;
        border: 1px solid #ddd;
        border-radius: 6px;
        padding: 8px 12px;
        font-size: 14px;
        min-height: 36px;
    }
    QLineEdit:focus {
        border-color: #2196F3;
    }
)";

const QString NetworkTestWidget::GROUP_STYLE = R"(
    QGroupBox {
        background-color: white;
        border: 1px solid #e0e0e0;
        border-radius: 8px;
        margin-top: 16px;
        padding-top: 16px;
        font-size: 14px;
        font-weight: 600;
    }
    QGroupBox::title {
        subcontrol-origin: margin;
        left: 16px;
        padding: 0 8px;
        color: #333;
    }
)";

NetworkTestWidget::NetworkTestWidget(QWidget *parent)
    : QWidget(parent), m_testStep(0)
{
  setupUI();

  m_testTimer = new QTimer(this);
  connect(m_testTimer, &QTimer::timeout, this, [this]()
          {
    m_testStep++;
    m_progressBar->setValue(m_testStep * 10);
    
    if (m_testStep >= 10) {
      m_testTimer->stop();
      m_progressBar->setValue(100);
    } });
}

void NetworkTestWidget::setupUI()
{
  QVBoxLayout *mainLayout = new QVBoxLayout(this);
  mainLayout->setContentsMargins(0, 0, 0, 0);
  mainLayout->setSpacing(0);

  // 标题栏
  mainLayout->addWidget(createTitleBar());

  // 内容区域
  QScrollArea *scrollArea = new QScrollArea;
  scrollArea->setWidgetResizable(true);
  scrollArea->setFrameShape(QFrame::NoFrame);
  scrollArea->setStyleSheet("QScrollArea { background-color: #f5f5f5; }");

  QWidget *contentWidget = new QWidget;
  contentWidget->setStyleSheet("background-color: #f5f5f5;");
  QVBoxLayout *contentLayout = new QVBoxLayout(contentWidget);
  contentLayout->setContentsMargins(20, 20, 20, 20);
  contentLayout->setSpacing(16);

  contentLayout->addWidget(createTestPanel());
  contentLayout->addWidget(createResultPanel(), 1);

  scrollArea->setWidget(contentWidget);
  mainLayout->addWidget(scrollArea, 1);
}

QWidget *NetworkTestWidget::createTitleBar()
{
  QWidget *titleBar = new QWidget;
  titleBar->setFixedHeight(60);
  titleBar->setStyleSheet("background: qlineargradient(x1:0, y1:0, x2:1, y2:0, stop:0 #1976D2, stop:1 #1565C0);");

  QHBoxLayout *layout = new QHBoxLayout(titleBar);
  layout->setContentsMargins(16, 0, 16, 0);

  // 返回按钮
  m_backBtn = new QPushButton("← 返回");
  m_backBtn->setCursor(Qt::PointingHandCursor);
  m_backBtn->setStyleSheet(R"(
    QPushButton {
        background: rgba(255,255,255,0.2);
        color: white;
        border: none;
        border-radius: 6px;
        padding: 8px 16px;
        font-size: 14px;
    }
    QPushButton:hover {
        background: rgba(255,255,255,0.3);
    }
  )");
  connect(m_backBtn, &QPushButton::clicked, this, &NetworkTestWidget::backRequested);
  layout->addWidget(m_backBtn);

  // 标题（居中）
  m_titleLabel = new QLabel("网络测试");
  m_titleLabel->setStyleSheet("color: white; font-size: 18px; font-weight: bold;");
  m_titleLabel->setAlignment(Qt::AlignCenter);
  layout->addWidget(m_titleLabel, 1);

  // 右侧占位，保持标题居中
  QWidget *spacer = new QWidget;
  spacer->setFixedWidth(m_backBtn->sizeHint().width());
  layout->addWidget(spacer);

  return titleBar;
}

QWidget *NetworkTestWidget::createTestPanel()
{
  QGroupBox *group = new QGroupBox("测试设置");
  group->setStyleSheet(GROUP_STYLE);

  QVBoxLayout *layout = new QVBoxLayout(group);
  layout->setContentsMargins(16, 24, 16, 16);
  layout->setSpacing(16);

  // Ping测试
  QHBoxLayout *pingLayout = new QHBoxLayout;
  QLabel *pingLabel = new QLabel("Ping主机:");
  pingLabel->setFixedWidth(80);
  pingLabel->setStyleSheet("font-size: 14px; color: #333;");
  pingLayout->addWidget(pingLabel);

  m_hostEdit = new QLineEdit;
  m_hostEdit->setStyleSheet(INPUT_STYLE);
  m_hostEdit->setText("www.baidu.com");
  m_hostEdit->setPlaceholderText("输入主机名或IP地址");
  pingLayout->addWidget(m_hostEdit, 1);

  m_pingBtn = new QPushButton("Ping测试");
  m_pingBtn->setStyleSheet(PRIMARY_BUTTON_STYLE);
  m_pingBtn->setFixedWidth(100);
  m_pingBtn->setCursor(Qt::PointingHandCursor);
  connect(m_pingBtn, &QPushButton::clicked, this, &NetworkTestWidget::onPingTest);
  pingLayout->addWidget(m_pingBtn);

  layout->addLayout(pingLayout);

  // 服务器连接测试
  QHBoxLayout *serverLayout = new QHBoxLayout;
  QLabel *serverLabel = new QLabel("服务器:");
  serverLabel->setFixedWidth(80);
  serverLabel->setStyleSheet("font-size: 14px; color: #333;");
  serverLayout->addWidget(serverLabel);

  m_serverEdit = new QLineEdit;
  m_serverEdit->setStyleSheet(INPUT_STYLE);
  m_serverEdit->setText("192.168.1.100");
  m_serverEdit->setPlaceholderText("服务器地址");
  serverLayout->addWidget(m_serverEdit, 1);

  QLabel *portLabel = new QLabel("端口:");
  portLabel->setStyleSheet("font-size: 14px; color: #333;");
  serverLayout->addWidget(portLabel);

  m_portEdit = new QLineEdit;
  m_portEdit->setStyleSheet(INPUT_STYLE);
  m_portEdit->setFixedWidth(80);
  m_portEdit->setText("8080");
  serverLayout->addWidget(m_portEdit);

  m_serverTestBtn = new QPushButton("连接测试");
  m_serverTestBtn->setStyleSheet(PRIMARY_BUTTON_STYLE);
  m_serverTestBtn->setFixedWidth(100);
  m_serverTestBtn->setCursor(Qt::PointingHandCursor);
  connect(m_serverTestBtn, &QPushButton::clicked, this, &NetworkTestWidget::onServerTest);
  serverLayout->addWidget(m_serverTestBtn);

  layout->addLayout(serverLayout);

  // 其他测试按钮
  QHBoxLayout *otherLayout = new QHBoxLayout;

  m_dnsTestBtn = new QPushButton("DNS解析测试");
  m_dnsTestBtn->setStyleSheet(BUTTON_STYLE);
  m_dnsTestBtn->setCursor(Qt::PointingHandCursor);
  connect(m_dnsTestBtn, &QPushButton::clicked, this, &NetworkTestWidget::onDnsTest);
  otherLayout->addWidget(m_dnsTestBtn);

  m_speedTestBtn = new QPushButton("网速测试");
  m_speedTestBtn->setStyleSheet(BUTTON_STYLE);
  m_speedTestBtn->setCursor(Qt::PointingHandCursor);
  connect(m_speedTestBtn, &QPushButton::clicked, this, &NetworkTestWidget::onSpeedTest);
  otherLayout->addWidget(m_speedTestBtn);

  otherLayout->addStretch();

  layout->addLayout(otherLayout);

  return group;
}

QWidget *NetworkTestWidget::createResultPanel()
{
  QGroupBox *group = new QGroupBox("测试结果");
  group->setStyleSheet(GROUP_STYLE);

  QVBoxLayout *layout = new QVBoxLayout(group);
  layout->setContentsMargins(16, 24, 16, 16);
  layout->setSpacing(12);

  // 进度条
  m_progressBar = new QProgressBar;
  m_progressBar->setFixedHeight(6);
  m_progressBar->setRange(0, 100);
  m_progressBar->setValue(0);
  m_progressBar->setTextVisible(false);
  m_progressBar->setStyleSheet(R"(
    QProgressBar {
        background-color: #e0e0e0;
        border-radius: 3px;
    }
    QProgressBar::chunk {
        background-color: #4CAF50;
        border-radius: 3px;
    }
  )");
  layout->addWidget(m_progressBar);

  // 日志显示
  m_logEdit = new QTextEdit;
  m_logEdit->setReadOnly(true);
  m_logEdit->setStyleSheet(R"(
    QTextEdit {
        background-color: #1e1e1e;
        color: #d4d4d4;
        border: 1px solid #ddd;
        border-radius: 6px;
        padding: 12px;
        font-family: 'Courier New', monospace;
        font-size: 13px;
    }
  )");
  m_logEdit->setMinimumHeight(300);
  layout->addWidget(m_logEdit, 1);

  // 清除按钮
  QHBoxLayout *buttonLayout = new QHBoxLayout;
  buttonLayout->addStretch();

  m_clearBtn = new QPushButton("清除日志");
  m_clearBtn->setStyleSheet(BUTTON_STYLE);
  m_clearBtn->setFixedWidth(100);
  m_clearBtn->setCursor(Qt::PointingHandCursor);
  connect(m_clearBtn, &QPushButton::clicked, this, &NetworkTestWidget::onClearLog);
  buttonLayout->addWidget(m_clearBtn);

  layout->addLayout(buttonLayout);

  // 添加初始日志
  appendLog("网络测试工具已就绪", "#4CAF50");
  appendLog("请选择测试项目开始测试...", "#888");

  return group;
}

void NetworkTestWidget::appendLog(const QString &message, const QString &color)
{
  QString timestamp = QDateTime::currentDateTime().toString("hh:mm:ss");
  QString html = QString("<span style='color: #888;'>[%1]</span> <span style='color: %2;'>%3</span><br>")
                     .arg(timestamp, color, message);
  m_logEdit->insertHtml(html);
  m_logEdit->moveCursor(QTextCursor::End);
}

void NetworkTestWidget::onPingTest()
{
  QString host = m_hostEdit->text().trimmed();
  if (host.isEmpty())
  {
    OverlayDialog::warning(window(), "提示", "请输入要Ping的主机名或IP地址");
    return;
  }

  m_pingBtn->setEnabled(false);
  m_progressBar->setValue(0);
  m_testStep = 0;

  appendLog(QString("开始Ping测试: %1").arg(host), "#2196F3");

  m_testTimer->start(200);

  // 模拟Ping测试
  QTimer::singleShot(2000, this, [this, host]()
                     {
    m_testTimer->stop();
    m_progressBar->setValue(100);
    m_pingBtn->setEnabled(true);
    
    // 模拟结果
    appendLog(QString("正在解析主机 %1...").arg(host), "#888");
    appendLog(QString("目标IP: 110.242.68.66"), "#888");
    appendLog("", "#888");
    appendLog("来自 110.242.68.66 的回复: 字节=64 时间=15ms TTL=52", "#4CAF50");
    appendLog("来自 110.242.68.66 的回复: 字节=64 时间=14ms TTL=52", "#4CAF50");
    appendLog("来自 110.242.68.66 的回复: 字节=64 时间=16ms TTL=52", "#4CAF50");
    appendLog("来自 110.242.68.66 的回复: 字节=64 时间=15ms TTL=52", "#4CAF50");
    appendLog("", "#888");
    appendLog("Ping统计: 已发送=4, 已接收=4, 丢失=0 (0% 丢失)", "#4CAF50");
    appendLog("往返时间: 最短=14ms, 最长=16ms, 平均=15ms", "#888");
    appendLog("", "#888");
    appendLog("✓ Ping测试完成", "#4CAF50"); });
}

void NetworkTestWidget::onSpeedTest()
{
  m_speedTestBtn->setEnabled(false);
  m_progressBar->setValue(0);
  m_testStep = 0;

  appendLog("开始网速测试...", "#2196F3");

  m_testTimer->start(300);

  QTimer::singleShot(3000, this, [this]()
                     {
    m_testTimer->stop();
    m_progressBar->setValue(100);
    m_speedTestBtn->setEnabled(true);
    
    appendLog("正在测试下载速度...", "#888");
    appendLog("下载速度: 45.6 Mbps", "#4CAF50");
    appendLog("正在测试上传速度...", "#888");
    appendLog("上传速度: 12.3 Mbps", "#4CAF50");
    appendLog("网络延迟: 18ms", "#888");
    appendLog("抖动: 2ms", "#888");
    appendLog("", "#888");
    appendLog("✓ 网速测试完成", "#4CAF50"); });
}

void NetworkTestWidget::onDnsTest()
{
  m_dnsTestBtn->setEnabled(false);
  m_progressBar->setValue(0);
  m_testStep = 0;

  appendLog("开始DNS解析测试...", "#2196F3");

  m_testTimer->start(150);

  QTimer::singleShot(1500, this, [this]()
                     {
    m_testTimer->stop();
    m_progressBar->setValue(100);
    m_dnsTestBtn->setEnabled(true);
    
    appendLog("DNS服务器: 114.114.114.114", "#888");
    appendLog("", "#888");
    appendLog("www.baidu.com -> 110.242.68.66 (8ms)", "#4CAF50");
    appendLog("www.google.com -> 142.250.80.46 (25ms)", "#4CAF50");
    appendLog("www.github.com -> 20.205.243.166 (45ms)", "#4CAF50");
    appendLog("", "#888");
    appendLog("✓ DNS解析测试完成", "#4CAF50"); });
}

void NetworkTestWidget::onServerTest()
{
  QString server = m_serverEdit->text().trimmed();
  QString port = m_portEdit->text().trimmed();

  if (server.isEmpty())
  {
    OverlayDialog::warning(window(), "提示", "请输入服务器地址");
    return;
  }

  m_serverTestBtn->setEnabled(false);
  m_progressBar->setValue(0);
  m_testStep = 0;

  appendLog(QString("开始连接测试: %1:%2").arg(server, port), "#2196F3");

  m_testTimer->start(200);

  QTimer::singleShot(2000, this, [this, server, port]()
                     {
    m_testTimer->stop();
    m_progressBar->setValue(100);
    m_serverTestBtn->setEnabled(true);
    
    // 随机模拟成功或超时
    bool success = (QDateTime::currentMSecsSinceEpoch() % 3) != 0;
    
    if (success) {
      appendLog(QString("正在连接 %1:%2...").arg(server, port), "#888");
      appendLog("TCP握手成功", "#4CAF50");
      appendLog("连接延迟: 25ms", "#888");
      appendLog("服务器响应: HTTP 200 OK", "#4CAF50");
      appendLog("", "#888");
      appendLog("✓ 服务器连接测试成功", "#4CAF50");
    } else {
      appendLog(QString("正在连接 %1:%2...").arg(server, port), "#888");
      appendLog("连接超时 (5000ms)", "#f44336");
      appendLog("", "#888");
      appendLog("✗ 服务器连接测试失败", "#f44336");
      appendLog("请检查服务器地址和端口是否正确", "#ff9800");
    } });
}

void NetworkTestWidget::onClearLog()
{
  m_logEdit->clear();
  m_progressBar->setValue(0);
  appendLog("日志已清除", "#888");
}