#include "gasdetector.h"
#include "titlebar.h"
#include "statusstrip.h"
#include "datacard.h"
#include "udpcommunication.h"
#include "confirmdialog.h"
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QGridLayout>
#include <QPushButton>
#include "global.h"

GasDetectorPage::GasDetectorPage(AppContext* ctx, QWidget* parent)
    : BasePage(ctx, parent)
{
    QVBoxLayout* root = new QVBoxLayout(this);
    root->setContentsMargins(0, 0, 0, 0);
    root->setSpacing(0);

    m_titleBar = new TitleBar(ctx, this);
    m_titleBar->setTitle("气体检测仪");
    root->addWidget(m_titleBar);

    QHBoxLayout* main = new QHBoxLayout();
    main->setContentsMargins(36, 16, 36, 16);
    main->setSpacing(32);

    // 中央卡片区（2×2）
    QWidget* center = new QWidget(this);
    QGridLayout* grid = new QGridLayout(center);
    grid->setSpacing(16);
    grid->setContentsMargins(0, 0, 0, 0);

    m_chassisCard = new DataCard("底盘", center);
    m_chassisCard->addField("电量", "85%");
    m_chassisCard->addField("电压", "360V");
    m_chassisCard->addField("故障", "无");

    m_washCard = new DataCard("洗消", center);
    m_washCard->addField("A液位", "100L");
    m_washCard->addField("泡沫液位", "30L");

    m_armCard = new DataCard("机械臂", center);
    m_armCard->addField("末端位置", "XYZ");
    m_armCard->addField("姿态", "RX/RY/RZ");

    m_gasCard = new DataCard("气体检测仪", center);
    m_gasCard->addField("主机状态", "待机");
    m_gasCard->addField("有毒物种类", "--");
    m_gasCard->addField("有毒物等级", "--");
    m_gasConcField = m_gasCard->addField("浓度", "0 ppb", true);
    m_gasCard->setHighlight(true); // 主色描边突出

    grid->addWidget(m_chassisCard, 0, 0);
    grid->addWidget(m_washCard, 0, 1);
    grid->addWidget(m_gasCard, 1, 0);
    grid->addWidget(m_armCard, 1, 1);
    main->addWidget(center, 1);

    // 右侧按钮列（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);

    m_start = button("启动", "primary", right);
    m_start->setFixedHeight(180);
    connect(m_start, &QPushButton::clicked, this, [this]() {
        this->ctx()->comm()->sendGasStart();
        this->ctx()->gasRunning = true;
        updateGating();
    });

    m_stop = button("停机", "", right);
    m_stop->setFixedHeight(180);
    connect(m_stop, &QPushButton::clicked, this, [this]() {
        this->ctx()->comm()->sendGasStop();
        this->ctx()->gasRunning = false;
        updateGating();
    });

    rightLay->addStretch(1);
    rightLay->addWidget(m_start);
    rightLay->addStretch(1);
    rightLay->addWidget(m_stop);
    rightLay->addStretch(1);
    right->setFixedWidth(360);
    main->addWidget(right);

    root->addLayout(main, 1);

    m_statusStrip = new StatusStrip(ctx, this);
    connect(m_statusStrip, &StatusStrip::backClicked, this, [this]() {
        if (this->ctx()->gasRunning) {
            // 【设计建议】检测中返回弹提示
            if (ConfirmDialog::confirm(this, "提示", "检测仍在进行，是否退出？"))
                emit navigate(PageJob);
        } else {
            emit navigate(PageJob);
        }
    });
    root->addWidget(m_statusStrip);

    connect(ctx->comm(), &UdpCommunication::telemetryUpdated, this, &GasDetectorPage::refresh);
    updateGating();
    refresh();
}

void GasDetectorPage::updateGating()
{
    bool running = ctx()->gasRunning;
    m_start->setEnabled(!running);
    m_stop->setEnabled(running);
}

void GasDetectorPage::refresh()
{
    const Telemetry& t = ctx()->telemetry;

    // 同步运行状态（以遥测为准）
    if (t.gasHost == "detecting") ctx()->gasRunning = true;
    else if (t.gasHost == "standby") ctx()->gasRunning = false;
    updateGating();

    m_chassisCard->setField(0, QString("%1%").arg(t.soc));
    m_chassisCard->setField(1, QString("%1V").arg(t.volt, 0, 'f', 0));
    m_chassisCard->setField(2, t.chassisFaults.isEmpty() ? "无" : t.chassisFaults.join("；"));

    m_washCard->setField(0, QString("%1L").arg(t.levelA, 0, 'f', 0));
    m_washCard->setField(1, QString("%1L").arg(t.levelFoam, 0, 'f', 0));
    m_armCard->setField(0, t.pos);
    m_armCard->setField(1, t.pose);

    m_gasCard->setField(0, t.gasHost == "detecting" ? "检测中" : (t.gasHost == "fault" ? "故障" : "待机"));
    m_gasCard->setField(1, t.gasType);
    m_gasCard->setField(2, t.gasLevel);
    m_gasCard->setField(m_gasConcField, QString("%1 ppb").arg(t.gasConc, 0, 'f', 0));
    // 超阈值红闪
    m_gasCard->setAlarm(m_gasConcField, t.gasConc > 500.0);
}