#include "VolumeParamsDialog.hpp"

#include <QComboBox>
#include <QDialogButtonBox>
#include <QDoubleSpinBox>
#include <QFormLayout>
#include <QLabel>
#include <QLineEdit>
#include <QStandardItemModel>
#include <QVBoxLayout>

#include "FormKit.hpp"
#include "Theme.hpp"

namespace geopro::app {

namespace {
// 默认值与 data::VolumeBuildParams 同口径（保持单一真相）。
constexpr double kDefCellXY = 1.0;
constexpr double kDefCellZ = 0.5;
constexpr double kDefPower = 2.0;
constexpr double kDefMaxDist = 4.0;
}  // namespace

VolumeParamsDialog::VolumeParamsDialog(int sourceCount, QWidget* parent) : QDialog(parent) {
    setWindowTitle(QStringLiteral("生成三维体"));
    setModal(true);

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

    auto* intro = new QLabel(QStringLiteral("由 %1 个源数据集插值生成三维体").arg(sourceCount));
    geopro::app::applyTokenizedStyleSheet(intro, QStringLiteral("color:{{text/secondary}};"));
    root->addWidget(intro);

    // 统一外壳：表单卡片 + 分组标题（与「数据详情 / 属性面板」同款），编辑态/只读态一致。
    auto* card = formkit::formCard(this);
    auto* cardLay = formkit::cardBody(card);
    formkit::addSection(cardLay, QStringLiteral("参数"), card, false);

    auto* form = formkit::makeEditForm();

    name_ = new QLineEdit(QStringLiteral("三维体"));
    formkit::capField(name_);
    form->addRow(formkit::editLabel(QStringLiteral("名称")), name_);

    model_ = new QComboBox();
    model_->addItem(QStringLiteral("反距离加权 (IDW)"),
                    static_cast<int>(geopro::data::VolumeBuildParams::Model::Idw));
    model_->addItem(QStringLiteral("克里金 (Kriging)"),
                    static_cast<int>(geopro::data::VolumeBuildParams::Model::Kriging));
    // 克里金本期未实现（core 仅 IDW）→ 禁用该项，默认选 IDW。
    if (auto* m = qobject_cast<QStandardItemModel*>(model_->model())) {
        if (auto* it = m->item(1)) it->setEnabled(false);
    }
    model_->setCurrentIndex(0);
    formkit::capField(model_);
    form->addRow(formkit::editLabel(QStringLiteral("插值模型")), model_);

    auto makeSpin = [this](double val, double min, double max, double step, int decimals) {
        auto* s = new QDoubleSpinBox();
        s->setRange(min, max);
        s->setSingleStep(step);
        s->setDecimals(decimals);
        s->setValue(val);
        formkit::capField(s);
        return s;
    };
    cellXY_ = makeSpin(kDefCellXY, 0.01, 1000.0, 0.5, 2);
    cellZ_ = makeSpin(kDefCellZ, 0.01, 1000.0, 0.5, 2);
    power_ = makeSpin(kDefPower, 0.5, 6.0, 0.5, 1);
    maxDist_ = makeSpin(kDefMaxDist, 0.1, 10000.0, 1.0, 2);
    form->addRow(formkit::editLabel(QStringLiteral("水平间距 (米)")), cellXY_);
    form->addRow(formkit::editLabel(QStringLiteral("竖向间距 (米)")), cellZ_);
    form->addRow(formkit::editLabel(QStringLiteral("IDW 幂次")), power_);
    form->addRow(formkit::editLabel(QStringLiteral("最大影响距离 (米)")), maxDist_);

    cardLay->addLayout(form);
    root->addWidget(card);

    formkit::addDialogButtons(root, this, QStringLiteral("生成"), QStringLiteral("取消"));
}

QString VolumeParamsDialog::volumeName() const {
    const QString n = name_->text().trimmed();
    return n.isEmpty() ? QStringLiteral("三维体") : n;
}

geopro::data::VolumeBuildParams VolumeParamsDialog::params() const {
    geopro::data::VolumeBuildParams p;
    p.interpModel = static_cast<geopro::data::VolumeBuildParams::Model>(model_->currentData().toInt());
    p.cellXY = cellXY_->value();
    p.cellZ = cellZ_->value();
    p.power = power_->value();
    p.maxDist = maxDist_->value();
    return p;
}

}  // namespace geopro::app