package com.example.essentialsplus.ui;

import com.example.essentialsplus.data.AccountData;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import javax.swing.BorderFactory;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ScrollPaneConstants;
import javax.swing.WindowConstants;
import net.runelite.client.ui.DynamicGridLayout;
import net.runelite.client.ui.FontManager;

/** Large resizable analysis window with its own character selection. */
class WealthPopout extends JFrame
{
	static final String AUTO = "__logged_in__";

	private final WealthPanel panel;
	private final WealthPanel.DetailView view;
	private final Segmented rangeBar;
	private final Segmented styleBar;
	private final JComboBox<Choice> characterBox = new JComboBox<>();
	private final JLabel sessionLabel = new JLabel();
	private String choice = AUTO;
	private String resolved = WealthPanel.ALL;
	private List<String> comboKeys = new ArrayList<>();
	private boolean updatingCombo;

	private static final class Choice
	{
		final String key;
		final String label;

		Choice(String key, String label)
		{
			this.key = key;
			this.label = label;
		}

		@Override
		public String toString()
		{
			return label;
		}
	}

	WealthPopout(WealthPanel panel, TimeRange range, Runnable onClose)
	{
		super("Wealth Tracker");
		this.panel = panel;
		setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
		addWindowListener(new WindowAdapter()
		{
			@Override
			public void windowClosed(WindowEvent e)
			{
				onClose.run();
			}
		});

		view = new WealthPanel.DetailView(panel.getIcons(), true);
		view.main.setMode(panel.getMainMode());
		view.breakdown.setOnOpen((v, label) -> panel.openItems(v, label, resolved));
		rangeBar = Segmented.ranges(panel.getTimeFilter(), panel::setRange);
		rangeBar.setSelected(panel.isCustomSessionView() ? -1 : panel.getTimeFilter().getSlotIndex(range));
		styleBar = new Segmented(new String[]{"Line", "Candles"}, panel.getMainMode() == WealthChart.Mode.CANDLES ? 1 : 0,
			i -> panel.setMainMode(i == 1 ? WealthChart.Mode.CANDLES : WealthChart.Mode.LINE));

		java.awt.event.MouseAdapter popoutRightClick = new java.awt.event.MouseAdapter()
		{
			@Override
			public void mousePressed(java.awt.event.MouseEvent e)
			{
				if (e.isPopupTrigger())
				{
					showPopup(e);
				}
			}

			@Override
			public void mouseReleased(java.awt.event.MouseEvent e)
			{
				if (e.isPopupTrigger())
				{
					showPopup(e);
				}
			}

			private void showPopup(java.awt.event.MouseEvent e)
			{
				if (!panel.isHourly())
				{
					return;
				}
				javax.swing.JPopupMenu menu = new javax.swing.JPopupMenu();
				javax.swing.JMenuItem reset = new javax.swing.JMenuItem("Reset Hourly");
				reset.addActionListener(a ->
				{
					panel.resetHourly(resolved);
					panel.refreshLater();
				});
				menu.add(reset);
				menu.show((java.awt.Component) e.getSource(), e.getX(), e.getY());
			}
		};
		view.main.addMouseListener(popoutRightClick);
		view.stats.addMouseListener(popoutRightClick);

		characterBox.setFont(FontManager.getRunescapeBoldFont());
		characterBox.setBackground(Ui.CARD);
		characterBox.setForeground(Ui.TEXT);
		characterBox.setFocusable(false);
		characterBox.setPreferredSize(new Dimension(260, 30));
		characterBox.setRenderer(new DefaultListCellRenderer()
		{
			@Override
			public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus)
			{
				JLabel l = (JLabel) super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
				l.setFont(FontManager.getRunescapeBoldFont());
				l.setBorder(BorderFactory.createEmptyBorder(3, 8, 3, 8));
				return l;
			}
		});
		characterBox.addActionListener(e ->
		{
			if (updatingCombo)
			{
				return;
			}
			Choice c = (Choice) characterBox.getSelectedItem();
			if (c != null)
			{
				choice = c.key;
				panel.refreshLater();
			}
		});

		JPanel root = new JPanel(new BorderLayout(12, 10));
		root.setBackground(Ui.BG);
		root.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));

		// ---- top bar
		JPanel top = new JPanel(new BorderLayout(12, 0));
		top.setOpaque(false);
		JPanel left = new JPanel(new FlowLayout(FlowLayout.LEFT, 12, 0));
		left.setOpaque(false);
		view.title.setFont(FontManager.getRunescapeBoldFont().deriveFont(24f));
		view.title.setForeground(Ui.ACCENT);
		left.add(view.title);
		left.add(characterBox);
		top.add(left, BorderLayout.WEST);

		JPanel controls = new JPanel(new FlowLayout(FlowLayout.RIGHT, 10, 0));
		controls.setOpaque(false);
		sessionLabel.setFont(FontManager.getRunescapeFont());
		sessionLabel.setForeground(Ui.MUTED);
		controls.add(sessionLabel);
		controls.add(button("Session", panel::showSession));
		controls.add(button("New session", panel::newSession));
		styleBar.setPreferredSize(new Dimension(150, 30));
		rangeBar.setPreferredSize(new Dimension(380, 30));
		controls.add(styleBar);
		controls.add(rangeBar);
		top.add(controls, BorderLayout.EAST);
		root.add(top, BorderLayout.NORTH);

		// ---- charts
		JPanel charts = new JPanel(new GridBagLayout());
		charts.setOpaque(false);
		int row = 0;
		row = addChart(charts, row, "NET WORTH", view.main, 0.5);
		row = addChart(charts, row, "CHANGE PER PERIOD", view.bars, 0.2);
		addChart(charts, row, "COMPOSITION", view.stacked, 0.3);
		root.add(charts, BorderLayout.CENTER);

		// ---- side column
		JPanel side = new JPanel(new DynamicGridLayout(0, 1, 0, 6));
		side.setBackground(Ui.BG);
		side.add(label("STATISTICS"));
		side.add(view.stats);
		side.add(label("BREAKDOWN  (click to view items)"));
		JPanel viewButtons = new JPanel(new java.awt.GridLayout(1, 4, 4, 0));
		viewButtons.setOpaque(false);
		viewButtons.add(button("Bank", () -> panel.openItems("bank", "Bank", resolved)));
		viewButtons.add(button("Inventory", () -> panel.openItems("inventory", "Inventory", resolved)));
		viewButtons.add(button("Equipment", () -> panel.openItems("equipment", "Equipment", resolved)));
		viewButtons.add(button("GE", () -> panel.openItems("ge", "Grand Exchange", resolved)));
		side.add(viewButtons);
		side.add(view.breakdown);
		side.add(label("WHAT CHANGED"));
		side.add(view.movers);
		side.add(label("MOST VALUABLE"));
		side.add(view.topItems);

		JPanel sideWrap = new JPanel(new BorderLayout());
		sideWrap.setBackground(Ui.BG);
		sideWrap.add(side, BorderLayout.NORTH);
		JScrollPane scroll = new JScrollPane(sideWrap, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
		scroll.setBorder(null);
		scroll.getVerticalScrollBar().setUnitIncrement(16);
		scroll.setPreferredSize(new Dimension(340, 10));
		root.add(scroll, BorderLayout.EAST);

		setContentPane(root);
		setSize(1600, 900);
		setMinimumSize(new Dimension(900, 560));
		setLocationRelativeTo(panel);
	}

	private static int addChart(JPanel charts, int row, String title, JComponent chart, double weight)
	{
		GridBagConstraints c = new GridBagConstraints();
		c.gridx = 0;
		c.fill = GridBagConstraints.BOTH;
		c.weightx = 1;
		c.gridy = row;
		c.weighty = 0;
		c.insets = new Insets(row == 0 ? 0 : 8, 0, 4, 0);
		charts.add(label(title), c);
		c.gridy = row + 1;
		c.weighty = weight;
		c.insets = new Insets(0, 0, 0, 0);
		chart.setPreferredSize(new Dimension(10, 60));
		charts.add(chart, c);
		return row + 2;
	}

	/** Character shown in this window: the logged-in one by default, or the one picked in the box. */
	String resolveSelection(List<AccountData> accounts, String activeKey)
	{
		if (AUTO.equals(choice))
		{
			if (activeKey != null && accounts.stream().anyMatch(a -> a.key.equals(activeKey)))
			{
				resolved = activeKey;
			}
			else if (accounts.stream().noneMatch(a -> a.key.equals(resolved)))
			{
				resolved = WealthPanel.ALL;
			}
		}
		else if (WealthPanel.ALL.equals(choice) || accounts.stream().anyMatch(a -> a.key.equals(choice)))
		{
			resolved = choice;
		}
		else
		{
			choice = AUTO;
			resolved = WealthPanel.ALL;
		}
		return resolved;
	}

	void setRange(int index)
	{
		rangeBar.setSelected(index);
	}

	void setMainMode(WealthChart.Mode mode)
	{
		styleBar.setSelected(mode == WealthChart.Mode.CANDLES ? 1 : 0);
		view.main.setMode(mode);
	}

	void update(WealthPanel.Model m, List<AccountData> accounts, String selectionKey)
	{
		List<String> keys = new ArrayList<>();
		accounts.forEach(a -> keys.add(a.key + "=" + a.name));
		if (!keys.equals(comboKeys))
		{
			comboKeys = keys;
			updatingCombo = true;
			characterBox.removeAllItems();
			characterBox.addItem(new Choice(AUTO, "Logged-in character"));
			characterBox.addItem(new Choice(WealthPanel.ALL, "All characters"));
			for (AccountData a : accounts)
			{
				characterBox.addItem(new Choice(a.key, a.name));
			}
			updatingCombo = false;
		}
		updatingCombo = true;
		for (int i = 0; i < characterBox.getItemCount(); i++)
		{
			if (Objects.equals(characterBox.getItemAt(i).key, choice))
			{
				characterBox.setSelectedIndex(i);
				break;
			}
		}
		updatingCombo = false;

		long sessionStart = panel.sessionStart();
		sessionLabel.setText(panel.isSessionView() ? "Since session start" : sessionStart > 0 ? "Session: " + Ui.ago(sessionStart).replace(" ago", "") : "");
		sessionLabel.setForeground(panel.isSessionView() ? Ui.ACCENT : Ui.MUTED);

		view.update(m, 10);
		panel.resolveNames(view.lastMovers);
	}

	private static JButton button(String text, Runnable action)
	{
		JButton b = new JButton(text);
		b.setFont(FontManager.getRunescapeSmallFont());
		b.setFocusPainted(false);
		b.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
		b.setPreferredSize(new Dimension(Math.max(70, text.length() * 8 + 20), 30));
		b.addActionListener(e -> action.run());
		return b;
	}

	private static JLabel label(String text)
	{
		JLabel l = new JLabel(text);
		l.setFont(FontManager.getRunescapeSmallFont());
		l.setForeground(Ui.MUTED);
		return l;
	}
}