#include "UserConfigDlg.h"
#include "ui_UserConfigDlg.h"
#include "dbService/DBServiceSet.h"
#include "dbService/UserService.h"
#include "dbService/UserConfigService.h"
#include "dbService/EngineerService.h"
#include <QDoubleSpinBox>
#include <QComboBox>
#include <QCheckBox>
#include <QMessageBox>
#include <QDebug>
#include <QMenu>

UserConfigDlg::UserConfigDlg(QWidget *parent) : QDialog(parent), ui(new Ui::UserConfigDlg)
{
    ui->setupUi(this);

    setWindowFlags(Qt::CustomizeWindowHint | Qt::WindowCloseButtonHint);
    this->setWindowTitle("专家信息配置");
    this->setAttribute(Qt::WA_DeleteOnClose);
    this->resize(1000, 600);
    ui->splitter->setStretchFactor(0, 1);
    ui->splitter->setStretchFactor(1, 2);
    ui->userLabel->setText("用户名称：未选中");
    ui->msgLabel->setText("");

    init();
}

UserConfigDlg::~UserConfigDlg()
{
    qDeleteAll(m_engineerInfos);
    m_engineerInfos.clear();
    delete ui;
}

void UserConfigDlg::userItemClicked(QListWidgetItem *item)
{
    int id = item->data(Qt::UserRole).toInt();
    QFUser user;
    if (!UserService().QueryUserInfoById(&user, id)) {
        qDebug() << "用户 " << item->text() << " " << id << " 数据库查询失败！";
        return;
    }
    QStringList roles = { "超级管理员", "普通管理员", "专家" };
    QString msg =
            "用户名称：" + user.userName + "\t" + "账号ID：" + user.userNo + "\n" + "角色：" + roles[user.role] + "\t";
    msg += "工作单位：" + user.workPosition + "\n" + "职务：" + user.post + "\t" + "专业：" + user.major + "\n";
    msg += "联系方式：" + user.phone + "\n" + "注释信息：" + user.remark;
    //"文化程度：" + user.educationDegree + "\t"
    ui->userLabel->setText(msg);

    refreshConfigTable(user.id);
}

void UserConfigDlg::addNewUserItem()
{
    QList<QListWidgetItem *> items = ui->listWidget->selectedItems();
    if (items.count() == 0) {
        return;
    }

    int row = ui->tableWidget->rowCount();
    ui->tableWidget->setRowCount(row + 1);  //设置行数

    QPushButton *editBtn = nullptr;
    QCheckBox *check     = nullptr;
    QWidget *widget      = nullptr;
    QGridLayout *layout  = nullptr;

    widget = new QWidget;
    layout = new QGridLayout;
    check  = new QCheckBox;
    layout->setSpacing(0);
    layout->setMargin(0);
    layout->addWidget(check);
    layout->setAlignment(check, Qt::AlignCenter);  //居中
    widget->setLayout(layout);
    ui->tableWidget->setCellWidget(row, 0, widget);

    ui->tableWidget->setItem(row, 1, new QTableWidgetItem(QString::number(-1)));
    ui->tableWidget->item(row, 1)->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
    ui->tableWidget->item(row, 1)->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
    ui->tableWidget->item(row, 1)->setData(Qt::UserRole, -1);

    QComboBox *comb = new QComboBox;
    for (auto enj : m_engineerInfos) {
        comb->addItem(enj->engineerName, enj->engineerId);
    }
    comb->setCurrentIndex(-1);
    ui->tableWidget->setCellWidget(row, 2, comb);
    connect(comb, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &UserConfigDlg::engineerCombChanged);

    QDoubleSpinBox *dspin = new QDoubleSpinBox;
    dspin->setRange(0.0, 1000.0);
    ui->tableWidget->setCellWidget(row, 3, dspin);

    ui->tableWidget->setItem(row, 4,
                             new QTableWidgetItem(QDateTime::currentDateTime().toString("yyyy.MM.dd hh:mm:ss.zzz")));
    ui->tableWidget->item(row, 4)->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
    ui->tableWidget->item(row, 4)->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
    ui->tableWidget->setItem(row, 5,
                             new QTableWidgetItem(QDateTime::currentDateTime().toString("yyyy.MM.dd hh:mm:ss.zzz")));
    ui->tableWidget->item(row, 5)->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
    ui->tableWidget->item(row, 5)->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);

    widget  = new QWidget;
    layout  = new QGridLayout;
    editBtn = new QPushButton;
    editBtn->setText("保存");
    editBtn->setProperty("saveAction", "add");
    connect(editBtn, &QPushButton::clicked, this, &UserConfigDlg::saveCurrentRow);
    layout->setSpacing(0);
    layout->setMargin(0);
    layout->addWidget(editBtn);
    widget->setLayout(layout);
    ui->tableWidget->setCellWidget(row, 6, widget);
}

void UserConfigDlg::deleteUserItem()
{
    //采取下面方式获取
    QWidget *widget     = nullptr;
    QCheckBox *checkBox = nullptr;

    QVector<int> deleteRows;

    for (int row = 0; row < ui->tableWidget->rowCount(); ++row) {
        widget = ui->tableWidget->cellWidget(row, 0);
        if (widget) {
            checkBox = qobject_cast<QCheckBox *>(widget->children().at(1));  //通过children来访问checkbox
            if (checkBox && (checkBox->checkState() == Qt::Checked)) {
                int id = ui->tableWidget->item(row, 1)->data(Qt::UserRole).toInt();
                if (id >= 0) {
                    if (!UserConfigService().DeleteUserConfigById(id)) {
                        qDebug() << QString("删除第%1条数据失败").arg(id);
                        QMessageBox::warning(nullptr, "删除失败", "数据库操作异常");
                        return;
                    }
                }
                deleteRows.append(row);
            }
        }
    }

    int num = 0;
    for (auto d : deleteRows) {
        ui->tableWidget->removeRow(d - num);
        num++;
    }
}

void UserConfigDlg::engineerCombChanged(int index)
{
    if (rollback) {
        rollback = false;
        return;
    }
    ui->msgLabel->setText("");

    QComboBox *comb = qobject_cast<QComboBox *>(sender());
    if (comb) {
        QComboBox *enjComb;
        bool repeat  = false;
        int whichRow = 0;
        for (int r = 0; r < ui->tableWidget->rowCount(); ++r) {
            enjComb = qobject_cast<QComboBox *>(ui->tableWidget->cellWidget(r, 2));
            if (comb == enjComb) {
                whichRow = r;
                if (repeat) {  //循环提取结束
                    break;
                }
            } else {
                if (enjComb->currentIndex() == index) {
                    ui->msgLabel->setText("工程名重复");
                    repeat = true;  //出现重复
                }
            }
        }

        if (!repeat) {  //无重复
            if (index >= 0) {
                ui->tableWidget->item(whichRow, 1)->setText(QString::number(m_engineerInfos.at(index)->engineerId));
            }
        } else {
            rollback = true;
            int oldId = ui->tableWidget->item(whichRow, 1)->text().toInt();  //取出旧的id，并恢复旧的combox内容
            if (oldId == -1) {
                comb->setCurrentIndex(-1);
                return;
            }
            for (auto info : m_engineerInfos) {
                if (info->engineerId == oldId) {
                    comb->setCurrentText(info->engineerName);
                    break;
                }
            }
        }
    }
}

void UserConfigDlg::saveCurrentRow()
{
    ui->msgLabel->setText("");

    QPushButton *btn = qobject_cast<QPushButton *>(sender());
    if (btn) {
        for (int r = 0; r < ui->tableWidget->rowCount(); ++r) {
            if (btn == ui->tableWidget->cellWidget(r, 6)->layout()->itemAt(0)->widget()) {
                QListWidgetItem *currentItem = ui->listWidget->currentItem();
                UserConfig cfg;
                cfg.userId     = currentItem->data(Qt::UserRole).toInt();
                cfg.engineerId = ui->tableWidget->item(r, 1)->text().toInt();
                if (cfg.engineerId <= 0) {
                    QMessageBox::warning(nullptr, "提示", "未选择工程");
                    break;
                }
                //                QComboBox *comb = qobject_cast<QComboBox *>(ui->tableWidget->cellWidget(r, 2));
                cfg.weight     = qobject_cast<QDoubleSpinBox *>(ui->tableWidget->cellWidget(r, 3))->value();
                cfg.createTime = QDateTime::currentDateTime().toString("yyyy.MM.dd hh:mm:ss.zzz");
                ui->tableWidget->item(r, 4)->setText(cfg.createTime);
                cfg.updateTime = QDateTime::currentDateTime().toString("yyyy.MM.dd hh:mm:ss.zzz");
                ui->tableWidget->item(r, 5)->setText(cfg.updateTime);
                QString ops = btn->property("saveAction").toString();
                //新增或更新之前确该工程权重
                if (ops == "add") {
                    int sum    = UserConfigService().QueryUserWeightSum(cfg.engineerId);
                    int result = sum + cfg.weight;
                    if (result > 100) {
                        QMessageBox::warning(nullptr, "警告", "专家权重和>100，请确认！");
                        break;
                    }
                    //新增前需要把之前设置为无效状态
                    if (UserConfigService().UpdateUserValid(cfg.userId, 0)) {
                        int newId = UserConfigService().AddUserConfig(cfg);
                        if (newId == -1) {
                            QMessageBox::critical(nullptr, "异常", "添加用户配置失败！");
                            break;
                        } else {
                            ui->tableWidget->item(r, 1)->setData(Qt::UserRole, newId);
                            btn->setProperty("saveAction", "update");
                            QMessageBox::information(nullptr, "成功", "添加用户配置成功！");
                        }
                    }

                } else if (ops == "update") {
                    cfg.id     = ui->tableWidget->item(r, 1)->data(Qt::UserRole).toInt();
                    int sum    = UserConfigService().QueryUserWeightSum(cfg.engineerId, cfg.userId);
                    int result = sum + cfg.weight;
                    if (result > 100) {
                        QMessageBox::warning(nullptr, "警告", "专家权重和>100，请确认！");
                        refreshConfigTable(cfg.userId);
                        break;
                    }
                    if (!UserConfigService().UpdateUserConfig(cfg)) {
                        QMessageBox::critical(nullptr, "异常", "修改用户配置失败！");
                        break;
                    } else {
                        QMessageBox::information(nullptr, "成功", "修改用户配置成功！");
                    }
                }
                refreshConfigTable(cfg.userId);
                break;
            }
        }
    }
}

void UserConfigDlg::userListMenuRequested(const QPoint &pos)
{
    QListWidgetItem *curItem = ui->listWidget->itemAt(pos);
    if (curItem == nullptr) {
        return;
    }

    QMenu *popMenu     = new QMenu(this);
    QAction *deleteAct = new QAction("删除用户", this);
    QAction *cancelAct = new QAction("取消", this);
    popMenu->addAction(deleteAct);
    popMenu->addAction(cancelAct);
    connect(deleteAct, &QAction::triggered, this, &UserConfigDlg::deleteUserAction);
    connect(deleteAct, &QAction::triggered, [=]() {

    });
    popMenu->exec(QCursor::pos());
    popMenu->deleteLater();
    deleteAct->deleteLater();
    cancelAct->deleteLater();
}

void UserConfigDlg::deleteUserAction()
{
    QListWidgetItem *curItem = ui->listWidget->currentItem();
    if (curItem) {
        int userId = curItem->data(Qt::UserRole).toInt();
        if (UserService().DeleteUserById(userId)) {
            UserConfigService().DeleteUserConfigByUserId(userId);
            ui->tableWidget->clearContents();
            ui->tableWidget->setRowCount(0);
            ui->listWidget->takeItem(ui->listWidget->currentRow());
        } else {
            QMessageBox::critical(nullptr, "异常", "删除用户失败");
        }
    }
}

void UserConfigDlg::init()
{
    const QStringList headers = { "选中", "工程id", "工程名", "权重", "创建时间", "修改时间", "操作" };

    //设置整行选中的方式
    ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectItems);
    ui->tableWidget->setSelectionMode(QAbstractItemView::SingleSelection);
    ui->tableWidget->setColumnCount(headers.count());
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);  //填充表格
    //    ui->tableWidget->horizontalHeader()->setSectionResizeMode(
    //            3, QHeaderView::ResizeToContents);  //然后设置要根据内容使用宽度的列（其他没设置的列自动缩放）

    ui->tableWidget->setHorizontalHeaderLabels(headers);

    refreshUserList();
    connect(ui->listWidget, &QListWidget::itemClicked, this, &UserConfigDlg::userItemClicked);
    connect(ui->addBtn, &QPushButton::clicked, this, &UserConfigDlg::addNewUserItem);
    connect(ui->deleteBtn, &QPushButton::clicked, this, &UserConfigDlg::deleteUserItem);

    if (!EngineerService().QueryEngineerList(&m_engineerInfos)) {
        qDebug() << "工程信息数据库查询失败！";
    }

    ui->listWidget->setContextMenuPolicy(Qt::CustomContextMenu);
    connect(ui->listWidget, &QListWidget::customContextMenuRequested, this, &UserConfigDlg::userListMenuRequested);
}

void UserConfigDlg::refreshUserList()
{
    QList<QFUser *> users;
    if (!UserService().QueryUserList(&users)) {
        qDebug() << "用户数据库查询失败！";
        return;
    }
    int row = 0;
    for (auto user : users) {
        if (user->role == QFUser::Expert) {
            QListWidgetItem *newItem = new QListWidgetItem;
            newItem->setText(QString("%1 [%2]").arg(user->userName).arg(user->userNo));
            newItem->setData(Qt::UserRole, user->id);
            ui->listWidget->insertItem(row, newItem);
            row++;
        }
    }

    qDeleteAll(users);
    users.clear();
    ui->listWidget->setCurrentRow(-1);
}

void UserConfigDlg::refreshConfigTable(int userId)
{
    ui->tableWidget->clearContents();
    QList<UserConfig *> userConfigs;
    if (!UserConfigService().QueryUserConfigListInfoByUserId(&userConfigs, userId)) {
        qDebug() << "用户数据库查询失败！";
        return;
    }
    ui->tableWidget->setRowCount(userConfigs.count());  //设置行数

    QPushButton *editBtn = nullptr;
    QCheckBox *check     = nullptr;
    QWidget *widget      = nullptr;
    QGridLayout *layout  = nullptr;

    int row = 0;
    for (auto cfg : userConfigs) {
        widget = new QWidget;
        layout = new QGridLayout;
        check  = new QCheckBox;
        layout->setSpacing(0);
        layout->setMargin(0);
        layout->addWidget(check);
        layout->setAlignment(check, Qt::AlignCenter);  //居中
        widget->setLayout(layout);
        ui->tableWidget->setCellWidget(row, 0, widget);

        ui->tableWidget->setItem(row, 1, new QTableWidgetItem(QString::number(cfg->engineerId)));
        ui->tableWidget->item(row, 1)->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
        ui->tableWidget->item(row, 1)->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
        ui->tableWidget->item(row, 1)->setData(Qt::UserRole, cfg->id);

        QComboBox *comb = new QComboBox;
        for (auto enj : m_engineerInfos) {
            comb->addItem(enj->engineerName, enj->engineerId);
            if (enj->engineerId == cfg->engineerId) {
                comb->setCurrentText(enj->engineerName);
            }
        }
        ui->tableWidget->setCellWidget(row, 2, comb);
        connect(comb, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &UserConfigDlg::engineerCombChanged);

        QDoubleSpinBox *dspin = new QDoubleSpinBox;
        dspin->setRange(0.0, 1000.0);
        dspin->setValue(cfg->weight);
        ui->tableWidget->setCellWidget(row, 3, dspin);

        ui->tableWidget->setItem(row, 4, new QTableWidgetItem(cfg->createTime));
        ui->tableWidget->item(row, 4)->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
        ui->tableWidget->item(row, 4)->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
        ui->tableWidget->setItem(row, 5, new QTableWidgetItem(cfg->updateTime));
        ui->tableWidget->item(row, 5)->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
        ui->tableWidget->item(row, 5)->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);

        widget  = new QWidget;
        layout  = new QGridLayout;
        editBtn = new QPushButton;
        editBtn->setProperty("saveAction", "update");
        editBtn->setText("保存");
        connect(editBtn, &QPushButton::clicked, this, &UserConfigDlg::saveCurrentRow);
        layout->setSpacing(0);
        layout->setMargin(0);
        layout->addWidget(editBtn);
        widget->setLayout(layout);
        ui->tableWidget->setCellWidget(row, 6, widget);
        row++;
    }
    qDeleteAll(userConfigs);
}