#include "phoneloginwidget.h"

#include "mainwidget.h"
#include "model/datacenter.h"
#include "toast.h"

using namespace model;

PhoneLoginWidget::PhoneLoginWidget(QWidget *parent)
	: QWidget(parent)
{
    // 1. 设置窗口的基本属性
    this->setFixedSize(400, 350);
    this->setWindowTitle("登录");
    this->setWindowIcon(QIcon(":/resource/image/logo.png"));
    this->setStyleSheet("QWidget { background-color: rgb(255, 255, 255); color: rgb(0, 0, 0); }");
    this->setAttribute(Qt::WA_DeleteOnClose);

    // 2. 创建核心布局管理器
    QGridLayout* layout = new QGridLayout();
    layout->setSpacing(10);
    layout->setContentsMargins(50, 0, 50, 0);
    this->setLayout(layout);

    // 3. 创建标题
    titleLabel = new QLabel();
    titleLabel->setText("登录");
    titleLabel->setFixedHeight(50);
    titleLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    titleLabel->setStyleSheet("QLabel { font-size: 40px; font-weight: 600; }");
    titleLabel->setAlignment(Qt::AlignCenter);

    // 4. 创建手机号输入框
    QString editStyle = "QLineEdit { border: none; background-color: rgb(240, 240, 240); font-size: 20px; border-radius: 10px; padding-left: 5px;}";
    phoneEdit = new QLineEdit();
    phoneEdit->setPlaceholderText("输入邮箱号");
    phoneEdit->setFixedHeight(40);
    phoneEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    phoneEdit->setStyleSheet(editStyle);

    // 5. 创建验证码输入框
    verifyCodeEdit = new QLineEdit();
    verifyCodeEdit->setPlaceholderText("输入验证码");
    verifyCodeEdit->setFixedHeight(40);
    verifyCodeEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    verifyCodeEdit->setStyleSheet(editStyle);

    // 6. 创建发送验证码按钮
    QString btnWhiteStyle = "QPushButton { border: none; border-radius: 10px; background-color: transparent; }";
    btnWhiteStyle += "QPushButton:pressed { background-color: rgb(240, 240, 240); }";
    sendVerifyCodeBtn = new QPushButton();
    sendVerifyCodeBtn->setFixedSize(100, 40);
    sendVerifyCodeBtn->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    sendVerifyCodeBtn->setText("发送验证码");
    sendVerifyCodeBtn->setStyleSheet(btnWhiteStyle);

    // 7. 创建提交按钮
    submitBtn = new QPushButton();
    submitBtn->setFixedHeight(40);
    submitBtn->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    submitBtn->setText("登录");
    QString btnGreenStyle = "QPushButton { border: none; border-radius: 10px; background-color: rgb(44, 182, 61); color: rgb(255, 255, 255); }";
    btnGreenStyle += "QPushButton:pressed { background-color: rgb(240, 240, 240); }";
    submitBtn->setStyleSheet(btnGreenStyle);

    // 8. 创建 "切换到用户名" 模式按钮
    QPushButton* userModeBtn = new QPushButton();
    userModeBtn->setFixedSize(100, 40);
    userModeBtn->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    userModeBtn->setText("切换到用户名");
    userModeBtn->setStyleSheet(btnWhiteStyle);

    // 9. 切换登录注册模式
    switchModeBtn = new QPushButton();
    switchModeBtn->setFixedSize(100, 40);
    switchModeBtn->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    switchModeBtn->setText("注册");
    switchModeBtn->setStyleSheet(btnWhiteStyle);

    // 10. 添加到布局管理器
    layout->addWidget(titleLabel, 0, 0, 1, 5);
    layout->addWidget(phoneEdit, 1, 0, 1, 5);
    layout->addWidget(verifyCodeEdit, 2, 0, 1, 4);
    layout->addWidget(sendVerifyCodeBtn, 2, 4, 1, 1);
    layout->addWidget(submitBtn, 3, 0, 1, 5);
    layout->addWidget(userModeBtn, 4, 0, 1, 1);
    layout->addWidget(switchModeBtn, 4, 4, 1, 1);

    // 11. 添加信号槽
    connect(switchModeBtn, &QPushButton::clicked, this, &PhoneLoginWidget::switchMode);
    //connect(switchModeBtn, &QPushButton::clicked, this, [=]() {
    //    if (isLoginMode) {
    //        //切换到注册模式
    //        this->setWindowTitle("注册");
    //        titleLabel->setText("注册");
    //        submitBtn->setText("注册");
    //        switchModeBtn->setText("登录");
    //    }
    //    else {
    //        //切换到登录模式
    //        this->setWindowTitle("登录");
    //        titleLabel->setText("登录");
    //        submitBtn->setText("登录");
    //        switchModeBtn->setText("注册");
    //    }
    //    isLoginMode = !isLoginMode;
    //    });

    connect(userModeBtn, &QPushButton::clicked, this, [=]() {
        LoginWidget* loginWidget = new LoginWidget(nullptr);
        loginWidget->show();
        this->close();
        });

    connect(sendVerifyCodeBtn, &QPushButton::clicked, this, &PhoneLoginWidget::sendVerifyCode);

    timer = new QTimer(this);
    connect(timer, &QTimer::timeout, this, &PhoneLoginWidget::countDown);

    connect(submitBtn, &QPushButton::clicked, this, &PhoneLoginWidget::clickSubmitBtn);

}

void PhoneLoginWidget::sendVerifyCode()
{
    sendVerifyCodeBtn->setEnabled(false);
    sendVerifyCodeBtn->setStyleSheet("QPushButton { color: rgb(200, 200, 200); }");
    //获取到手机验证码
    const QString& phone = this->phoneEdit->text();
    if (phone.isEmpty()) {
        return;
    }

    this->currentPhone = phone;

    //发送网络请求,获取验证吗
    DataCenter* dataCenter = DataCenter::getInstance();
    connect(dataCenter, &DataCenter::getVerifyCodeDone, this, &PhoneLoginWidget::sendVerifyCodeDone, Qt::AutoConnection);
    dataCenter->getVerifyCodeAsync(phone);

    //开启定时器，开始倒计时
    timer->start(1000);
}

void PhoneLoginWidget::sendVerifyCodeDone(bool ok)
{
    if (!ok) {
        Toast::showMessage("邮箱格式错误");
        sendVerifyCodeBtn->setEnabled(true);
        sendVerifyCodeBtn->setText("发送验证码");
        timer->stop();
        sendVerifyCodeBtn->setStyleSheet("QPushButton { color: rgb(0, 0, 0); }");
    }
    else {
        Toast::showMessage("验证码已发送");
    }
}

void PhoneLoginWidget::clickSubmitBtn() 
{
    //从输入框中拿到必要的内容
    const QString& phone = phoneEdit->text();
    const QString& verifyCode = verifyCodeEdit->text();
    if (phone.isEmpty() || verifyCode.isEmpty()) {
        Toast::showMessage("电话或验证码不应该为空");
        return;
    }
    
    //发送请求
    DataCenter* dataCenter = DataCenter::getInstance();
    if (isLoginMode) {
        //登录
        connect(dataCenter, &DataCenter::phoneLoginDone, this, &PhoneLoginWidget::phoneLoginDone, Qt::AutoConnection);
        dataCenter->phoneLoginAsync(phone, verifyCode);
    }
    else {
        //注册
        connect(dataCenter, &DataCenter::phoneRegisterDone, this, &PhoneLoginWidget::phoneRegisterDone, Qt::UniqueConnection);
        dataCenter->phoneRegisterAsync(phone, verifyCode);
    }
}

void PhoneLoginWidget::phoneLoginDone(bool ok, const QString& reason)
{
    if (!ok) {
        Toast::showMessage("登录失败：" + reason);
        return;
    }
    //跳转到主窗口
    MainWidget* mainWidget = MainWidget::getInstance();
    mainWidget->show();

    //关闭自己
    this->close();
}

void PhoneLoginWidget::phoneRegisterDone(bool ok, const QString& reason)
{
    if (!ok) {
        Toast::showMessage("注册失败：" + reason);
        return;
    }
    Toast::showMessage("注册成功");

    //跳转到登录页面
    switchMode();

    //清空一下输入框
    verifyCodeEdit->clear();

    //处理一下倒计时按钮
    leftTime = 1;
}

void PhoneLoginWidget::countDown()
{
    if (leftTime <= 1) {
        //时间到了，发送按钮设为可用，并停止定时器
        sendVerifyCodeBtn->setEnabled(true);
        sendVerifyCodeBtn->setText("发送验证码");
        timer->stop();
        sendVerifyCodeBtn->setStyleSheet("QPushButton { color: rgb(0, 0, 0); }");
        return;
    }

    leftTime -= 1;
    sendVerifyCodeBtn->setText(QString::number(leftTime) + " s");
    if (sendVerifyCodeBtn->isEnabled()) {
        sendVerifyCodeBtn->setEnabled(false);
    }
}

void PhoneLoginWidget::switchMode() 
{
    if (isLoginMode) {
        //切换到注册模式
        this->setWindowTitle("注册");
        titleLabel->setText("注册");
        submitBtn->setText("注册");
        switchModeBtn->setText("登录");
    }
    else {
        //切换到登录模式
        this->setWindowTitle("登录");
        titleLabel->setText("登录");
        submitBtn->setText("登录");
        switchModeBtn->setText("注册");
    }
    isLoginMode = !isLoginMode;
}