#include "props/ToolPropertySection.h"

#include "params/ParamControls.h"

#include <algorithm>

#include <QComboBox>
#include <QFormLayout>
#include <QCheckBox>
#include <QLabel>
#include <QLineEdit>
#include <QSlider>
#include <QSpinBox>
#include <QVBoxLayout>

namespace gui {

ToolPropertySection::ToolPropertySection(QWidget* parent)
    : PropertySectionWidget(parent) {
    auto* lay = new QVBoxLayout(this);
    lay->setContentsMargins(0, 0, 0, 0);
    lay->setSpacing(6);

    auto* form = new QFormLayout();
    form->setContentsMargins(0, 0, 0, 0);
    form->setSpacing(6);

    m_text = new QLineEdit(this);
    m_text->setPlaceholderText(QStringLiteral("对话内容…"));
    form->addRow(QStringLiteral("文字"), m_text);

    m_positionLabel = new QLabel(QStringLiteral("位置"), this);
    m_position = new Vec2ParamControl(this);
    m_position->setToolTip(QStringLiteral("工具在世界坐标中的位置"));
    form->addRow(m_positionLabel, m_position);

    m_pointerT = new QSlider(Qt::Horizontal, this);
    m_pointerT->setRange(0, 1000);
    m_pointerT->setSingleStep(10);
    m_pointerT->setPageStep(50);
    m_pointerT->setValue(500);
    m_pointerT->setToolTip(QStringLiteral("发言实体位置"));
    form->addRow(QStringLiteral("指向"), m_pointerT);

    m_fontPx = new QSpinBox(this);
    m_fontPx->setRange(8, 120);
    m_fontPx->setSingleStep(1);
    m_fontPx->setValue(18);
    form->addRow(QStringLiteral("字号"), m_fontPx);

    m_align = new QComboBox(this);
    m_align->addItems({QStringLiteral("左对齐"), QStringLiteral("居中"), QStringLiteral("右对齐")});
    form->addRow(QStringLiteral("对齐"), m_align);

    m_visible = new QCheckBox(QString(), this);
    m_visible->setChecked(true);
    m_visible->setToolTip(QStringLiteral("随帧变化：在当前帧切换会写入可见性关键帧"));
    form->addRow(QStringLiteral("可见性"), m_visible);

    lay->addLayout(form);
    lay->addStretch(1);

    connect(m_text, &QLineEdit::editingFinished, this, [this]() {
        if (m_text) emit textCommitted(m_text->text());
    });
    connect(m_pointerT, &QSlider::valueChanged, this, &ToolPropertySection::pointerTChanged);
    connect(m_fontPx, qOverload<int>(&QSpinBox::valueChanged), this, &ToolPropertySection::fontPxChanged);
    connect(m_align, qOverload<int>(&QComboBox::currentIndexChanged), this, &ToolPropertySection::alignChanged);
    connect(m_position, &Vec2ParamControl::valueChanged, this, &ToolPropertySection::positionEdited);
    connect(m_visible, &QCheckBox::toggled, this, &ToolPropertySection::visibleToggled);
}

void ToolPropertySection::setEditingEnabled(bool on) {
    for (auto* w : {static_cast<QWidget*>(m_text), static_cast<QWidget*>(m_position),
                    static_cast<QWidget*>(m_pointerT),
                    static_cast<QWidget*>(m_fontPx), static_cast<QWidget*>(m_align),
                    static_cast<QWidget*>(m_visible)}) {
        if (w) w->setEnabled(on);
    }
}

void ToolPropertySection::clearDisconnected() {
    setEditingEnabled(false);
    if (m_text) {
        m_text->blockSignals(true);
        m_text->clear();
        m_text->blockSignals(false);
    }
    if (m_positionLabel) m_positionLabel->setText(QStringLiteral("位置"));
    if (m_position) {
        m_position->blockSignals(true);
        m_position->setToolTip(QStringLiteral("工具在世界坐标中的位置"));
        m_position->setValue(0.0, 0.0);
        m_position->blockSignals(false);
    }
    if (m_pointerT) {
        m_pointerT->blockSignals(true);
        m_pointerT->setValue(500);
        m_pointerT->blockSignals(false);
    }
    if (m_fontPx) {
        m_fontPx->blockSignals(true);
        m_fontPx->setValue(18);
        m_fontPx->blockSignals(false);
    }
    if (m_align) {
        m_align->blockSignals(true);
        m_align->setCurrentIndex(1);
        m_align->blockSignals(false);
    }
    if (m_visible) {
        m_visible->blockSignals(true);
        m_visible->setChecked(true);
        m_visible->blockSignals(false);
    }
}

void ToolPropertySection::applyState(const ToolPropertyUiState& s) {
    setEditingEnabled(true);
    if (m_text) {
        m_text->blockSignals(true);
        m_text->setText(s.text);
        m_text->blockSignals(false);
    }
    if (m_positionLabel) {
        m_positionLabel->setText(QStringLiteral("位置"));
    }
    if (m_position) {
        m_position->blockSignals(true);
        m_position->setToolTip(
            s.parentRelativeMode
                ? QStringLiteral("工具相对父对象的位置；修改将写入相对父对象的位置关键帧")
                : QStringLiteral("工具在世界坐标中的位置"));
        m_position->setValue(s.position.x(), s.position.y());
        m_position->blockSignals(false);
    }
    if (m_pointerT) {
        m_pointerT->blockSignals(true);
        m_pointerT->setValue(std::clamp(s.pointerTThousandths, 0, 1000));
        m_pointerT->blockSignals(false);
    }
    if (m_fontPx) {
        m_fontPx->blockSignals(true);
        m_fontPx->setValue(std::clamp(s.fontPx, 8, 120));
        m_fontPx->blockSignals(false);
    }
    if (m_align) {
        m_align->blockSignals(true);
        m_align->setCurrentIndex(std::clamp(s.alignIndex, 0, 2));
        m_align->blockSignals(false);
    }
    if (m_visible) {
        m_visible->blockSignals(true);
        m_visible->setChecked(s.visible);
        m_visible->blockSignals(false);
    }
}

}  // namespace gui