#include "StyleManager.h"
#include <QApplication>

static const QString DARK_THEME = R"(
QWidget#MenuPanel { background-color: #2b2b2b; border-bottom: 1px solid #111; }
QLabel#LogoLabel { font-weight: bold; color: #0078d7; font-size: 14px; letter-spacing: 1px; }
QPushButton#MenuButton { background: transparent; color: #ccc; border: none; padding: 5px 10px; }
QPushButton#MenuButton:hover { background: #3c3c3c; color: white; border-radius: 4px; }
QWidget#PaneTitleBar { background-color: #333; color: white; border-bottom: 2px solid #222; }
QLabel#TitleLabel { font-weight: bold; margin-left: 2px; }
QToolButton#PaneCloseButton { border: none; font-weight: bold; background: transparent; color: #ccc; }
QToolButton#PaneCloseButton:hover { color: white; background: #c42b1c; }

/* Global & Panel Backgrounds */
QMainWindow, QWidget#MainPanel { background-color: #1e1e1e; }
QWidget#DisplayPropertiesPanel, QWidget#PropertiesPanel, QWidget#ContextPanel { background-color: #252526; border-left: 1px solid #3e3e42; }
QPushButton#DisplayToggleBtn { background-color: #333337; border: 1px solid #3e3e42; border-radius: 2px; color: #f1f1f1; font-size: 11px; }
QPushButton#DisplayToggleBtn:checked { background-color: #0078d7; color: white; border-color: #005a9e; font-weight: bold; }
QPushButton#DisplayToggleBtn:hover { border-color: #0078d7; }

QScrollArea { border: none; background: transparent; }
QScrollArea > QWidget > QWidget { background: transparent; }

/* Property Widgets Styling */
QLabel { color: #cccccc; }
QDoubleSpinBox, QSpinBox, QLineEdit { background: #3c3c3c; color: #f1f1f1; border: 1px solid #3e3e42; padding: 2px 4px; border-radius: 2px; selection-background-color: #0078d7; }
QDoubleSpinBox:focus, QSpinBox:focus, QLineEdit:focus { border-color: #0078d7; }
QCheckBox { color: #cccccc; spacing: 5px; }
QCheckBox::indicator { width: 14px; height: 14px; border: 1px solid #3e3e42; background: #333337; border-radius: 2px; }
QCheckBox::indicator:checked { background: #0078d7; border-color: #005a9e; }
QCheckBox::indicator:hover { border-color: #0078d7; }

QMenu { background-color: #2b2b2b; color: white; border: 1px solid #111; }
QMenu::item:selected { background-color: #3c3c3c; }
QTreeView#ContextTree { background-color: #1e1e1e; color: #ccc; border: none; }
QTreeView#ContextTree::item:hover { background-color: #2a2d2e; }
QTreeView#ContextTree::item:selected { background-color: #094771; color: white; }
QHeaderView::section { background-color: #252526; color: #ccc; border: 1px solid #323233; padding: 4px; }

/* ScrollBars */
QScrollBar:vertical { background: #1e1e1e; width: 12px; margin: 0px; }
QScrollBar::handle:vertical { background: #3e3e42; min-height: 20px; border-radius: 6px; margin: 2px; }
QScrollBar::handle:vertical:hover { background: #505050; }
QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical { height: 0px; }
)";

static const QString BRIGHT_THEME = R"(
QWidget#MenuPanel { background-color: #f3f3f3; border-bottom: 1px solid #ccc; }
QLabel#LogoLabel { font-weight: bold; color: #005a9e; font-size: 14px; letter-spacing: 1px; }
QPushButton#MenuButton { background: transparent; color: #333; border: none; padding: 5px 10px; }
QPushButton#MenuButton:hover { background: #e5e5e5; color: black; border-radius: 4px; }
QWidget#PaneTitleBar { background-color: #eeeeee; color: black; border-bottom: 2px solid #ddd; }
QLabel#TitleLabel { font-weight: bold; margin-left: 2px; }
QToolButton#PaneCloseButton { border: none; font-weight: bold; background: transparent; color: #666; }
QToolButton#PaneCloseButton:hover { color: white; background: #e81123; }

/* Global & Panel Backgrounds */
QMainWindow, QWidget#MainPanel { background-color: #f3f3f3; }
QWidget#DisplayPropertiesPanel, QWidget#PropertiesPanel, QWidget#ContextPanel { background-color: #ffffff; border-left: 1px solid #cccccc; }
QPushButton#DisplayToggleBtn { background-color: #ffffff; border: 1px solid #cccccc; border-radius: 2px; color: #333; font-size: 11px; }
QPushButton#DisplayToggleBtn:checked { background-color: #0078d7; color: white; border-color: #005a9e; font-weight: bold; }
QPushButton#DisplayToggleBtn:hover { border-color: #0078d7; }

QScrollArea { border: none; background: transparent; }
QScrollArea > QWidget > QWidget { background: transparent; }

/* Property Widgets Styling */
QLabel { color: #333333; }
QDoubleSpinBox, QSpinBox, QLineEdit { background: #ffffff; color: #333333; border: 1px solid #cccccc; padding: 2px 4px; border-radius: 2px; selection-background-color: #0078d7; }
QDoubleSpinBox:focus, QSpinBox:focus, QLineEdit:focus { border-color: #0078d7; }
QCheckBox { color: #333333; spacing: 5px; }
QCheckBox::indicator { width: 14px; height: 14px; border: 1px solid #cccccc; background: #ffffff; border-radius: 2px; }
QCheckBox::indicator:checked { background: #0078d7; border-color: #005a9e; }
QCheckBox::indicator:hover { border-color: #0078d7; }

QMenu { background-color: #f3f3f3; color: black; border: 1px solid #ccc; }
QMenu::item:selected { background-color: #d0d0d0; }
QTreeView#ContextTree { background-color: #ffffff; color: #333; border: none; }
QTreeView#ContextTree::item:hover { background-color: #f2f2f2; }
QTreeView#ContextTree::item:selected { background-color: #0078d7; color: white; }
QHeaderView::section { background-color: #f3f3f3; color: #333; border: 1px solid #ccc; padding: 4px; }

/* ScrollBars */
QScrollBar:vertical { background: #ffffff; width: 12px; margin: 0px; }
QScrollBar::handle:vertical { background: #cccccc; min-height: 20px; border-radius: 6px; margin: 2px; }
QScrollBar::handle:vertical:hover { background: #aaaaaa; }
QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical { height: 0px; }
)";

void StyleManager::applyStyle(QApplication* app, const QString& themeName) {
    if (!app) return;
    
    if (themeName == "bright") {
        app->setStyleSheet(BRIGHT_THEME);
    } else {
        app->setStyleSheet(DARK_THEME); // default
    }
}