#include "mainwidget.h"
#include "./ui_mainwidget.h"
#include "filterform.h"
#include <QDir>
#include <QFileDialog>
#include <QInputDialog>
#include <QMessageBox>
#include <QPainter>
#include <QProcess>

MainWidget::MainWidget(QWidget* parent) : QDialog(parent), ui(new Ui::MainWidget)
{
    ui->setupUi(this);
    BaseInit();
    Init();
    RefreshData();
    setWindowTitle("账单记录器V1.0.5");
    Calculate();

    auto size = Util::GetMainSize();
    resize(size.first, size.second);

    setWindowFlags(windowFlags() & ~Qt::WindowMaximizeButtonHint);
    setWindowIcon(QIcon("://resource/ico.ico"));
}

MainWidget::~MainWidget()
{
    delete ui;
}

void MainWidget::Init()
{
    Util::Init();
    auto dbPath = Util::GetWorkDir() + "/account.db";
    sqlOpr_ = std::make_unique<ACTSqlOpr>();
    if (!sqlOpr_->OpenDb(dbPath)) {
        QMessageBox::warning(this, "错误", QString::fromStdString(sqlOpr_->GetLastErr()));
        return;
    }
    comSqlOpr_ = std::make_unique<ComSqlOpr>(sqlOpr_->GetDb());
    repaySqlOpr_ = std::make_unique<RepaySqlOpr>(sqlOpr_->GetDb());
    statistic_ = std::make_shared<Statistic>(repaySqlOpr_);

    auto mediaDir = Util::GetMediaDir();
    if (!QDir(QString::fromStdString(mediaDir)).exists()) {
        QDir().mkdir(QString::fromStdString(mediaDir));
    }
    ui->timeEdit->setDisplayFormat("HH:mm:ss");
    ui->rbNoLimit->setChecked(true);
    ui->btnRecord->setStyleSheet("background-color: #b1a5ccff;");
    ui->dateEdit->setDate(QDate::currentDate());
    ui->timeEdit->setTime(QTime::currentTime());
    ui->cbClassify->setEditable(true);

    ui->edCash->setValidator(new QDoubleValidator(0.0, 10000000.0, 2, this));
    ui->edHighCash->setValidator(new QDoubleValidator(0.0, 10000000.0, 2, this));
    ui->edLowCash->setValidator(new QDoubleValidator(0.0, 10000000.0, 2, this));
    ui->edDays->setValidator(new QIntValidator(0, 10000000, this));

    ui->lbTotal->setStyleSheet("QLabel {"
                               "font-size: 20px;"
                               "color: blue;"
                               "}");

    ui->lbCurCash->setStyleSheet("QLabel {"
                                 "color: blue;"
                                 "}");
    ui->lbCredit->setStyleSheet("QLabel {"
                                "color: blue;"
                                "}");

    connect(ui->btnClassifyAdd, &QPushButton::clicked, this, &MainWidget::AddClassify);
    connect(ui->btnClassifyDel, &QPushButton::clicked, this, &MainWidget::DelClassify);
    connect(ui->btnRecord, &QPushButton::clicked, this, &MainWidget::Record);
    connect(ui->btnSet, &QPushButton::clicked, this, [this]() {
        QProcess process;
        auto editor = Util::GetEditor();
        QStringList args;
        args << QString::fromStdString(Util::GetConfigPath());
        process.startDetached(QString::fromStdString(editor), args);
        process.waitForStarted();
    });
    connect(ui->btnSearch, &QPushButton::clicked, this, &MainWidget::Search);
    connect(ui->btnSetNow, &QPushButton::clicked, this, [this]() {
        ui->dateEdit->setDate(QDate::currentDate());
        ui->timeEdit->setTime(QTime::currentTime());
    });
    connect(ui->btnAddFile, &QPushButton::clicked, this, &MainWidget::SelectImg);
    connect(ui->btnClearFile, &QPushButton::clicked, this, [this]() { ui->edFile->clear(); });
}

bool MainWidget::RefreshData()
{
    if (!RefreshClassify()) {
        return false;
    }
    return true;
}

bool MainWidget::Calculate()
{
    AccountRecordList list;
    if (!sqlOpr_->GetAccountList(list)) {
        QMessageBox::warning(this, "错误", QString::fromStdString(sqlOpr_->GetLastErr()));
        return false;
    }

    // 计算账户余额等信息
    statistic_->Calculate(list);

    auto* d = SharedData::instance();
    auto curCash = static_cast<int32_t>(Util::GetCurCash() * 100);
    auto curSave = static_cast<int32_t>(Util::GetCurSave() * 100);

    auto curRemain = d->ttCashIn_ - d->ttCashOut_ + curCash - d->ttCashPay_ + d->ttCreditCash_;
    ui->lbCurCash->setText(QString::number(curRemain / 100.0));

    auto creditOutTotal = d->ttCreditOut_ - d->ttCashPay_ + d->ttCreditCash_;
    QString credit = QString("%1/%2").arg(creditOutTotal / 100.0, 0, 'f', 2).arg(d->ttCreditIn_ / 100.0, 0, 'f', 2);
    ui->lbCredit->setText(credit);

    auto youHave = curRemain + d->ttCreditIn_ - (d->ttCreditOut_ + d->ttCreditCash_ - d->ttCashPay_);
    ui->lbTotal->setText("￥" + QString::number(youHave / 100.0));

    return true;
}

void MainWidget::closeEvent(QCloseEvent* event)
{
    auto size = this->size();
    Util::SetMainSize(size.width(), size.height());
    QWidget::closeEvent(event);
}

void MainWidget::BaseInit()
{
    ui->cbCashType->addItem("现金支出");
    ui->cbCashType->addItem("现金收入");
    ui->cbCashType->addItem("信用支出");
    ui->cbCashType->addItem("信用收入");
    ui->cbCashType->addItem("信用借款");
    ui->cbCashType->setCurrentIndex(0);
}

bool MainWidget::RefreshClassify()
{
    ClassifyRecordList classifyList;
    if (!comSqlOpr_->GetClassifyList(classifyList)) {
        QMessageBox::warning(this, "错误", QString::fromStdString(comSqlOpr_->GetLastErr()));
        return false;
    }
    ui->cbClassify->clear();
    for (const auto& classify : classifyList) {
        ui->cbClassify->addItem(QString::fromStdString(classify.value));
    }
    if (!classifyList.empty()) {
        ui->cbClassify->setCurrentIndex(0);
    }
    return true;
}

void MainWidget::SelectImg()
{
    QString imagePath =
        QFileDialog::getOpenFileName(this, "选择图片", QDir::homePath(), "图片文件 (*.jpg *.jpeg *.png *.bmp *.gif)");
    if (imagePath.isEmpty()) {
        return;
    }
    ui->edFile->setText(imagePath);
}

bool MainWidget::AddClassify()
{
    // 弹出输入对话框
    bool ok;
    QString text = QInputDialog::getText(this, tr("添加分类"), tr("请输入分类名称:"), QLineEdit::Normal, "", &ok);
    text = text.trimmed();

    if (!ok || text.isEmpty()) {
        return false;
    }

    // 先检查是否已存在
    if (comSqlOpr_->CheckClassifyExist(text.toStdString())) {
        QMessageBox::warning(this, tr("错误"), tr("分类已存在"));
        return false;
    }

    CommonRecord record;
    record.key = "分类";
    record.value = text.toStdString();
    record.type = "";

    if (!comSqlOpr_->InserItem(record)) {
        QMessageBox::warning(this, tr("错误"), tr("添加分类失败"));
        return false;
    }
    RefreshClassify();
    return true;
}

bool MainWidget::DelClassify()
{
    auto curClassify = ui->cbClassify->currentText();
    if (curClassify == "默认") {
        QMessageBox::warning(this, "错误", "默认分类无法删除");
        return false;
    }
    if (QMessageBox::question(this, "删除分类", QString("确定删除分类<%1>吗？").arg(curClassify)) != QMessageBox::Yes) {
        return false;
    }

    if (!comSqlOpr_->DeleteItem(curClassify.toStdString())) {
        QMessageBox::warning(this, "错误", QString::fromStdString(comSqlOpr_->GetLastErr()));
        return false;
    }
    RefreshClassify();
    return true;
}

void MainWidget::Record()
{
    // 确认添加
    if (QMessageBox::question(this, "确认添加", "确定添加记录吗？") != QMessageBox::Yes) {
        return;
    }

    // 款项分类
    auto curType = ui->cbCashType->currentText();

    // 基础分类
    auto curClassify = ui->cbClassify->currentText();

    // 记录事项
    auto thing = ui->lineEdit->text().trimmed();
    if (thing.isEmpty()) {
        QMessageBox::warning(this, "错误", "记录事项不能为空");
        return;
    }

    // 时间日期
    auto date = ui->dateEdit->date();
    auto time = ui->timeEdit->time();
    QDateTime dateTime(date, time);
    auto dateTimeStr = dateTime.toString("yyyy-MM-dd HH:mm:ss");

    // 金额
    // 查看附件
    auto attach = ui->edFile->text().trimmed();
    if (!attach.isEmpty()) {
        QFile file(attach);
        if (!file.exists()) {
            QMessageBox::warning(this, "错误", "附件文件不存在");
            return;
        }
    }
    AccountRecord record;
    record.money = Util::CashInt(ui->edCash->text().toDouble());
    record.thing = thing.toStdString();
    record.dt = dateTimeStr.toStdString();
    record.classify = curClassify.toStdString();
    record.payType = curType.toStdString();
    if (!attach.isEmpty()) {
        record.additionFile = Util::NewUUIDName(attach).toStdString();
    }
    if (!sqlOpr_->AppendAccount(record)) {
        QMessageBox::warning(this, "错误", QString::fromStdString(sqlOpr_->GetLastErr()));
        return;
    }
    if (!attach.isEmpty()) {
        QFile::copy(attach, QString::fromStdString(Util::GetMediaDir() + "/" + record.additionFile));
    };
    Calculate();
    QMessageBox::information(this, "提示", "添加成功");
}

void MainWidget::Search()
{
    auto* d = SharedData::instance();
    if (ui->ckType->isChecked()) {
        d->flType = true;
        d->type = ui->cbCashType->currentText();
    } else {
        d->flType = false;
    }
    if (ui->ckKey->isChecked()) {
        d->flKeys = true;
        d->key = ui->edKey->text().trimmed();
        if (d->key.isEmpty()) {
            QMessageBox::warning(this, "错误", "搜索关键字不能为空");
            return;
        }
    } else {
        d->flKeys = false;
    }
    if (ui->ckDays->isChecked()) {
        d->flDays = true;
        if (ui->edDays->text().isEmpty()) {
            QMessageBox::warning(this, "错误", "天数不能为空");
            return;
        }
        d->days = ui->edDays->text().toInt();
    } else {
        d->flDays = false;
    }
    if (ui->rbBetween->isChecked()) {
        d->filter = CashFilter::FIL_BETWEEN;
        if (ui->edLowCash->text().isEmpty() || ui->edHighCash->text().isEmpty()) {
            QMessageBox::warning(this, "错误", "金额范围不能为空");
            return;
        }
        d->lowMoney = static_cast<int>(ui->edLowCash->text().toDouble() * 100);
        d->highMoney = static_cast<int>(ui->edHighCash->text().toDouble() * 100);
    } else if (ui->rbHigh->isChecked()) {
        d->filter = CashFilter::FIL_HIGHER;
        if (ui->edHighCash->text().isEmpty()) {
            QMessageBox::warning(this, "错误", "金额高范围不能为空");
            return;
        }
        d->highMoney = static_cast<int>(ui->edHighCash->text().toDouble() * 100);
    } else if (ui->rbLow->isChecked()) {
        d->filter = CashFilter::FIL_LOWER;
        if (ui->edLowCash->text().isEmpty()) {
            QMessageBox::warning(this, "错误", "金额低范围不能为空");
            return;
        }
        d->lowMoney = static_cast<int>(ui->edLowCash->text().toDouble() * 100);
    } else {
        d->filter = CashFilter::FIL_NO_LIMIT;
    }

    if (ui->ckClassify->isChecked()) {
        d->flClassify = true;
        d->classify = ui->cbClassify->currentText();
    } else {
        d->flClassify = false;
    }

    FilterForm* filterForm = new FilterForm(this, sqlOpr_, comSqlOpr_, repaySqlOpr_);
    filterForm->exec();

    Calculate();
}