#include "screens/crypto_center/tabs/TradeTab.h"

#include "screens/crypto_center/panels/FeeDiscountPanel.h"
#include "screens/crypto_center/panels/SwapPanel.h"
#include "ui/theme/Theme.h"

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

namespace fincept::screens {

namespace {

QString trade_font_stack() {
    return QStringLiteral("'Consolas','Cascadia Mono','JetBrains Mono','SF Mono',monospace");
}

} // namespace

TradeTab::TradeTab(QWidget* parent) : QWidget(parent) {
    setObjectName(QStringLiteral("tradeTab"));
    build_ui();
    apply_theme();
}

TradeTab::~TradeTab() = default;

void TradeTab::set_from_mint(const QString& mint) {
    if (swap_panel_)
        swap_panel_->set_from_mint(mint);
}

void TradeTab::build_ui() {
    auto* root = new QVBoxLayout(this);
    root->setContentsMargins(14, 14, 14, 14);
    root->setSpacing(10);

    auto* top_row = new QHBoxLayout;
    top_row->setSpacing(10);

    // SwapPanel — host inside a styled outer frame so it matches the rest of
    // the screens' panel chrome.
    {
        auto* host = new QFrame(this);
        host->setObjectName(QStringLiteral("tradeTabPanelHost"));
        auto* hl = new QVBoxLayout(host);
        hl->setContentsMargins(0, 0, 0, 0);
        hl->setSpacing(0);
        swap_panel_ = new panels::SwapPanel(host);
        hl->addWidget(swap_panel_);
        top_row->addWidget(host, 2);
    }

    // FeeDiscount panel — Phase 2 §2C, replaces the earlier placeholder.
    {
        fee_discount_placeholder_ = new QFrame(this);
        fee_discount_placeholder_->setObjectName(QStringLiteral("tradeTabPanelHost"));
        auto* outer = new QVBoxLayout(fee_discount_placeholder_);
        outer->setContentsMargins(0, 0, 0, 0);
        outer->setSpacing(0);
        fee_discount_panel_ = new panels::FeeDiscountPanel(fee_discount_placeholder_);
        outer->addWidget(fee_discount_panel_);
        top_row->addWidget(fee_discount_placeholder_, 1);
    }
    root->addLayout(top_row, 1);
    root->addStretch(1);
}

void TradeTab::apply_theme() {
    using namespace ui::colors;
    const QString font = trade_font_stack();

    const QString ss = QStringLiteral("QWidget#tradeTab { background:%1; }"
                                      "QFrame#tradeTabPanelHost { background:%2; border:1px solid %3; }"
                                      "QWidget#tradeTabPanelHead { background:%4; border-bottom:1px solid %3; }"
                                      "QLabel#tradeTabPanelTitle { color:%5; font-family:%6; font-size:11px;"
                                      "  font-weight:700; letter-spacing:1.2px; background:transparent; }"
                                      "QLabel#tradeTabPanelStatus { color:%7; font-family:%6; font-size:10px;"
                                      "  font-weight:700; letter-spacing:1.2px; background:transparent; }"
                                      "QLabel#tradeTabPlaceholderBody { color:%8; font-family:%6; font-size:11px;"
                                      "  background:transparent; }")
                           .arg(BG_BASE(),         // %1
                                BG_SURFACE(),      // %2
                                BORDER_DIM(),      // %3
                                BG_RAISED(),       // %4
                                AMBER(),           // %5
                                font,              // %6
                                TEXT_TERTIARY(),   // %7
                                TEXT_SECONDARY()); // %8

    setStyleSheet(ss);
}

} // namespace fincept::screens