#include "../mainwindow.h"

#include <QLabel>
#include <QVBoxLayout>
#include <QWidget>
#include <QFrame>
#include <QHBoxLayout>

#include "core/his_core.h"

void MainWindow::setupDashboardTab() {
    dashboardTab_ = new QWidget(this);
    auto* layout = new QVBoxLayout(dashboardTab_);
    layout->setContentsMargins(30, 30, 30, 30);
    layout->setSpacing(20);

    auto* headerLabel = new QLabel(tr("🏥 医院信息系统总览"), dashboardTab_);
    headerLabel->setStyleSheet("font-size: 24px; font-weight: bold; color: #f9fafb; padding: 10px 0;");

    auto* statsContainer = new QWidget(dashboardTab_);
    statsContainer->setStyleSheet("background-color: #1f2937; border-radius: 12px; padding: 20px;");
    auto* statsLayout = new QHBoxLayout(statsContainer);
    statsLayout->setSpacing(20);

    auto createStatCard = [&](const QString& icon, const QString& title, const QString& value, const QString& color) -> QWidget* {
        auto* card = new QWidget(statsContainer);
        card->setStyleSheet(QString("background-color: %1; border-radius: 8px; padding: 15px;").arg(color));
        auto* cardLayout = new QVBoxLayout(card);
        cardLayout->setContentsMargins(10, 10, 10, 10);
        
        auto* iconLabel = new QLabel(icon, card);
        iconLabel->setStyleSheet("font-size: 28px;");
        
        auto* valueLabel = new QLabel(value, card);
        valueLabel->setStyleSheet("font-size: 32px; font-weight: bold; color: #ffffff;");
        
        auto* titleLabel = new QLabel(title, card);
        titleLabel->setStyleSheet("font-size: 14px; color: #d1d5db;");
        
        cardLayout->addWidget(iconLabel);
        cardLayout->addWidget(valueLabel);
        cardLayout->addWidget(titleLabel);
        return card;
    };

    wardStatCard_ = createStatCard("🛏️", tr("病房"), "0", "rgba(59, 130, 246, 0.3)");
    patientStatCard_ = createStatCard("👥", tr("患者"), "0", "rgba(16, 185, 129, 0.3)");
    doctorStatCard_ = createStatCard("👨‍⚕️", tr("医生"), "0", "rgba(245, 158, 11, 0.3)");
    medicineStatCard_ = createStatCard("💊", tr("药品"), "0", "rgba(139, 92, 246, 0.3)");
    checkStatCard_ = createStatCard("🩺", tr("检查"), "0", "rgba(236, 72, 153, 0.3)");

    statsLayout->addWidget(wardStatCard_);
    statsLayout->addWidget(patientStatCard_);
    statsLayout->addWidget(doctorStatCard_);
    statsLayout->addWidget(medicineStatCard_);
    statsLayout->addWidget(checkStatCard_);

    summaryLabel_ = new QLabel(tr("正在加载数据..."), dashboardTab_);
    summaryLabel_->setWordWrap(true);
    summaryLabel_->setStyleSheet("font-size: 14px; color: #9ca3af; padding: 15px; background-color: #1f2937; border-radius: 8px;");

    layout->addWidget(headerLabel);
    layout->addWidget(statsContainer);
    layout->addWidget(summaryLabel_);
    layout->addStretch(1);
}

void MainWindow::refreshDashboard() {
    const auto wardCount = core_.wardService.wardCount();
    const auto patientCount = core_.patientService.patientCount();
    const auto doctorCount = core_.doctorService.doctorCount();
    const auto medicineCount = core_.medicineService.medicineCount();
    const auto checkCount = core_.checkService.checkCount();

    // Find all stat cards and update their values
    QList<QWidget*> statCards = {wardStatCard_, patientStatCard_, doctorStatCard_, medicineStatCard_, checkStatCard_};
    QList<int> counts = {(int)wardCount, (int)patientCount, (int)doctorCount, (int)medicineCount, (int)checkCount};
    
    for (int i = 0; i < statCards.size() && i < 5; ++i) {
        QLayout* layout = statCards[i]->layout();
        if (layout && layout->count() > 1) {
            QLabel* valueLabel = qobject_cast<QLabel*>(layout->itemAt(1)->widget());
            if (valueLabel) {
                valueLabel->setText(QString::number(counts[i]));
            }
        }
    }

    const QString text = tr("📊 数据统计\n\n") +
                         tr("• 病房数量: %1\n").arg((int)wardCount) +
                         tr("• 病人数量: %1\n").arg((int)patientCount) +
                         tr("• 医生数量: %1\n").arg((int)doctorCount) +
                         tr("• 药品种类: %1\n").arg((int)medicineCount) +
                         tr("• 检查项目: %1").arg((int)checkCount);
    summaryLabel_->setText(text);
}