#include "panels/chart/ExceptionDetailDialog.hpp"

#include <QColorDialog>
#include <QComboBox>
#include <QDoubleSpinBox>
#include <QFormLayout>
#include <QHBoxLayout>
#include <QHeaderView>
#include <QJsonObject>
#include <QLabel>
#include <QLineEdit>
#include <QMessageBox>
#include <QPlainTextEdit>
#include <QPointer>
#include <QPushButton>
#include <QTableWidget>
#include <QVBoxLayout>

#include "FormKit.hpp"
#include "Theme.hpp"
#include "repo/IDatasetCommandRepository.hpp"

namespace geopro::app {

ExceptionDetailDialog::ExceptionDetailDialog(geopro::data::IDatasetCommandRepository* repo,
                                             const geopro::core::Anomaly& anomaly, QWidget* parent)
    : QDialog(parent), repo_(repo), anomaly_(anomaly) {
    setWindowTitle(QStringLiteral("异常详情"));
    setModal(true);
    resize(420, 460);

    lineColor_ = QString::fromStdString(anomaly_.lineColor);
    if (lineColor_.isEmpty()) lineColor_ = QStringLiteral("#000000");

    auto* root = formkit::dialogRoot(this);

    auto* card = formkit::formCard(this);
    auto* cardLay = formkit::cardBody(card);
    auto* form = formkit::makeEditForm();

    nameEdit_ = new QLineEdit(QString::fromStdString(anomaly_.name), this);
    formkit::capField(nameEdit_);
    form->addRow(formkit::editLabel(QStringLiteral("名称")), nameEdit_);

    auto* typeLabel = new QLabel(QString::fromStdString(anomaly_.typeName), this);
    form->addRow(formkit::editLabel(QStringLiteral("异常类型")), typeLabel);

    // 图例：线色 / 线宽 / 线型（对照原版 legend.polyline*）。
    colorBtn_ = new QPushButton(lineColor_, this);
    colorBtn_->setStyleSheet(QStringLiteral("background:%1;").arg(lineColor_));
    connect(colorBtn_, &QPushButton::clicked, this, [this]() {
        const QColor c = QColorDialog::getColor(QColor(lineColor_), this, QStringLiteral("线色"));
        if (c.isValid()) {
            lineColor_ = c.name();
            colorBtn_->setText(lineColor_);
            colorBtn_->setStyleSheet(QStringLiteral("background:%1;").arg(lineColor_));
        }
    });
    formkit::capField(colorBtn_);
    form->addRow(formkit::editLabel(QStringLiteral("线色")), colorBtn_);

    widthSpin_ = new QDoubleSpinBox(this);
    widthSpin_->setRange(0.1, 20.0);
    widthSpin_->setSingleStep(0.5);
    widthSpin_->setValue(anomaly_.lineWidth > 0 ? anomaly_.lineWidth : 1.0);
    formkit::capField(widthSpin_);
    form->addRow(formkit::editLabel(QStringLiteral("线宽")), widthSpin_);

    shapeCombo_ = new QComboBox(this);
    shapeCombo_->addItem(QStringLiteral("实线"), QStringLiteral("solid"));
    shapeCombo_->addItem(QStringLiteral("虚线"), QStringLiteral("dash"));
    shapeCombo_->setCurrentIndex(anomaly_.dashed ? 1 : 0);
    formkit::capField(shapeCombo_);
    form->addRow(formkit::editLabel(QStringLiteral("线型")), shapeCombo_);

    remarkEdit_ = new QPlainTextEdit(QString::fromStdString(anomaly_.remark), this);
    remarkEdit_->setFixedHeight(geopro::app::scaledPx(60));
    formkit::capField(remarkEdit_);
    form->addRow(formkit::editLabel(QStringLiteral("备注")), remarkEdit_);
    cardLay->addLayout(form);
    root->addWidget(card);

    // 坐标（只读展示，对照原版坐标信息 tab）。
    root->addWidget(new QLabel(QStringLiteral("坐标："), this));
    auto* coordTable = new QTableWidget(static_cast<int>(anomaly_.localPts.size()), 2, this);
    coordTable->setHorizontalHeaderLabels({QStringLiteral("x"), QStringLiteral("y")});
    coordTable->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
    coordTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
    for (int r = 0; r < static_cast<int>(anomaly_.localPts.size()); ++r) {
        coordTable->setItem(r, 0,
                            new QTableWidgetItem(QString::number(anomaly_.localPts[r].x, 'f', 7)));
        coordTable->setItem(r, 1,
                            new QTableWidgetItem(QString::number(anomaly_.localPts[r].y, 'f', 7)));
    }
    root->addWidget(coordTable, 1);

    auto* btnLay = new QHBoxLayout();
    btnLay->addStretch();
    auto* cancelBtn = new QPushButton(QStringLiteral("取消"), this);
    okBtn_ = new QPushButton(QStringLiteral("确定"), this);
    okBtn_->setDefault(true);
    btnLay->addWidget(cancelBtn);
    btnLay->addWidget(okBtn_);
    root->addLayout(btnLay);

    connect(cancelBtn, &QPushButton::clicked, this, &QDialog::reject);
    connect(okBtn_, &QPushButton::clicked, this, &ExceptionDetailDialog::onConfirm);
}

void ExceptionDetailDialog::onConfirm() {
    if (!repo_ || anomaly_.id.empty()) { reject(); return; }
    const QString name = nameEdit_->text().trimmed();
    if (name.isEmpty()) {
        QMessageBox::warning(this, windowTitle(), QStringLiteral("请输入名称"));
        return;
    }
    // 原版详情抽屉「改名称/备注」走 PUT /business/exception 的局部更新，
    // 仅发 {id, exceptionName, remark}（线样式是另一条独立 PUT，且抽屉里样式控件 disabled）。
    // 对齐原版 contourPage.vue onOk：不合并/不重发 legend。
    QJsonObject body{
        {QStringLiteral("id"), QString::fromStdString(anomaly_.id)},
        {QStringLiteral("exceptionName"), name},
        {QStringLiteral("remark"), remarkEdit_->toPlainText()},
    };

    okBtn_->setEnabled(false);
    QPointer<ExceptionDetailDialog> self(this);
    repo_->updateException(body, [self](bool ok, QString msg) {
        if (!self) return;
        self->okBtn_->setEnabled(true);
        if (ok) {
            self->accept();
        } else {
            QMessageBox::warning(self, self->windowTitle(),
                                 msg.isEmpty() ? QStringLiteral("更新失败") : msg);
        }
    });
}

}  // namespace geopro::app