#include "faultquery.h"
#include "faulttable.h"
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QPushButton>
#include <QMessageBox>
#include "global.h"

FaultQueryPage::FaultQueryPage(AppContext* ctx, QWidget* parent)
    : BasePage(ctx, parent)
{
    m_categories << "机器人底盘" << "机械臂" << "洗消系统" << "气体检测仪";

    QVBoxLayout* root = new QVBoxLayout(this);
    root->setContentsMargins(36, 20, 36, 20);
    root->setSpacing(16);

    // 顶条：标题 + 汇总数
    m_title = label("历史故障", 28, C::TEXT, true, this);
    root->addWidget(m_title);

    QHBoxLayout* main = new QHBoxLayout();
    main->setSpacing(28);

    // 表格
    m_table = new FaultTable(this);
    connect(m_table, &FaultTable::rowClicked, this, &FaultQueryPage::onRowClicked);
    main->addWidget(m_table, 1);

    // 分类按钮列（垂直居中 + 平均分布）
    QWidget* right = new QWidget(this);
    QVBoxLayout* rightLay = new QVBoxLayout(right);
    rightLay->setContentsMargins(0, 0, 0, 0);
    rightLay->setSpacing(8);
    for (const QString& cat : m_categories) {
        QPushButton* b = button(cat + "故障", "", right);
        b->setCheckable(true);
        b->setFixedHeight(110);
        b->setStyleSheet(QString("font-size:24px;background-color:%1;color:%2;border:1px solid %3;border-radius:12px;")
                             .arg(C::PANEL_HI, C::TEXT, C::BORDER));
        connect(b, &QPushButton::toggled, this, &FaultQueryPage::onCategoryToggled);
        m_categoryButtons << b;
        rightLay->addStretch(1);
        rightLay->addWidget(b);
    }
    rightLay->addStretch(1);
    right->setFixedWidth(360);
    main->addWidget(right);

    root->addLayout(main, 1);

    // 底部：返回
    QHBoxLayout* bottomLay = new QHBoxLayout();
    bottomLay->addStretch(1);
    QPushButton* back = button("返回", "", this);
    back->setFixedSize(144, 76);
    connect(back, &QPushButton::clicked, this, [this]() { emit navigate(m_returnPage); });
    bottomLay->addWidget(back);
    root->addLayout(bottomLay);

    refresh();
}

void FaultQueryPage::onCategoryToggled(bool on)
{
    // 单选筛选：确定当前选中的分类
    QString selected;
    for (int i = 0; i < m_categoryButtons.size(); ++i) {
        if (m_categoryButtons[i]->isChecked()) {
            selected = m_categories[i];
            break;
        }
    }
    m_filter = selected;
    Q_UNUSED(on);
    refresh();
}

void FaultQueryPage::refresh()
{
    // 按分类过滤
    QVector<FaultRecord> data;
    for (const FaultRecord& r : ctx()->faultHistory) {
        if (m_filter.isEmpty() || r.system == m_filter)
            data.append(r);
    }

    m_table->setData(data);

    if (m_filter.isEmpty())
        m_title->setText(QString("历史故障（共 %1 条）").arg(data.size()));
    else
        m_title->setText(QString("%1历史故障（共 %2 条）").arg(m_filter).arg(data.size()));
}

void FaultQueryPage::onRowClicked(int globalIndex)
{
    // 找到当前过滤后列表中的记录
    QVector<FaultRecord> data;
    for (const FaultRecord& r : ctx()->faultHistory) {
        if (m_filter.isEmpty() || r.system == m_filter)
            data.append(r);
    }
    if (globalIndex < 0 || globalIndex >= data.size())
        return;
    const FaultRecord& r = data[globalIndex];
    QMessageBox::information(this, "故障详情",
        QString("故障时间：%1\n分系统：%2\n故障代码：%3\n故障描述：%4")
            .arg(r.time, r.system, r.code, r.desc));
}