/* copyright

This file is part of JKomasto2.
Written in 2022 by Usawashi <usawashi16@yahoo.co.jp>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

copyright */

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JButton;
import javax.swing.JTextArea;
import javax.swing.JScrollPane;
import java.awt.Graphics;
import java.awt.Cursor;
import java.awt.Image;
import java.awt.Dimension;
import java.awt.Color;
import java.awt.Shape;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.geom.Ellipse2D;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

class
ProfileWindow extends JFrame {

    private JKomasto
    primaire;

    private MastodonApi
    api;

    private Account
    account;

//   -  -%-  -

    private ProfileComponent
    display;

//  ---%-@-%---

    public void
    use(Account account)
    {
        this.account = account;

        account.resolveAvatar();
        display.setAvatar(account.avatar);

        display.setAccountID(account.id);
        display.setDisplayName(account.name);

        int n1 = account.followedCount;
        int n2 = account.followerCount;
        display.setFollowedAndFollowers(n1 + " & " + n2);

        int n3 = account.postCount;
        String hs;
        if (n3 >= 1000) hs = "~" + (n3 / 1000) + "K";
        else if (n3 >= 300) hs = "~" + (n3 / 100) + "00";
        else hs = Integer.toString(n3);
        hs += " posts since ";
        switch (account.creationDate.getMonth())
        {
            case JANUARY: hs += "Jan"; break;
            case FEBRUARY: hs += "Feb"; break;
            case MARCH: hs += "Mar"; break;
            case APRIL: hs += "Apr"; break;
            case MAY: hs += "May"; break;
            case JUNE: hs += "Jun"; break;
            case JULY: hs += "Jul"; break;
            case AUGUST: hs += "Aug"; break;
            case SEPTEMBER: hs += "Sept"; break;
            case OCTOBER: hs += "Oct"; break;
            case NOVEMBER: hs += "Nov"; break;
            case DECEMBER: hs += "Dec"; break;
            /*
            * (悪) We're hardcoding for English right now,
            * but later we need to localise properly using
            * Month#getDisplayName. Right now I'm just
            * finishing this component ASAP for English.
            */
        }
        hs += " " + account.creationDate.getYear();
        display.setHistory(hs);

        for (int i = 1; i <= 4; ++i)
        {
            if (i > account.fields.length)
            {
                display.setField(i, "", "");
                continue;
            }
            String[] field = account.fields[i - 1];
            display.setField(i, field[0], field[1]);
        }

        display.setDescription(account.description);

        setTitle(account.name + " - JKomasto");
    }

//   -  -%-  -

    public void
    seePosts()
    {
        display.setCursor(new Cursor(Cursor.WAIT_CURSOR));

        TimelineWindow w = new TimelineWindow(primaire);
        w.showAuthorPosts(account.numId);
        w.showLatestPage();
        w.setLocationRelativeTo(this);
        w.setVisible(true);

        display.setCursor(null);
    }

//  ---%-@-%---

    ProfileWindow(JKomasto primaire)
    {
        super("Profile window - JKomasto");

        this.primaire = primaire;
        this.api = primaire.getMastodonApi();

        this.display = new ProfileComponent(this);
        add(display);
        pack();

        setDefaultCloseOperation(DISPOSE_ON_CLOSE);
    }

}

class
ProfileComponent extends JPanel
implements ActionListener {

    private ProfileWindow
    primaire;

//   -  -5-  -

    private Image
    avatar;

    private JLabel
    accountIdLabel,
    accountId,
    displayNameLabel,
    displayName,
    followedLabel,
    followed,
    historyLabel,
    history,
    field1Label,
    field1,
    field2Label,
    field2,
    field3Label,
    field3,
    field4Label,
    field4;

    private JTextArea
    description;

    private JScrollPane
    scroll;

    private JButton
    seePosts;

    private int
    dx1, dx2, dx3, dx4, dy1, dy2, dy3, dy4;

//  ---%-@-%---

    public void
    setAvatar(Image avatar)
    {
        this.avatar = avatar;
    }

    public void
    setAccountID(String id)
    {
        accountId.setText(id);
    }

    public void
    setDisplayName(String name)
    {
        displayName.setText(name);
    }

    public void
    setFollowedAndFollowers(String text)
    {
        followed.setText(text);
    }

    public void
    setHistory(String text)
    {
        history.setText(text);
    }

    public void
    setField(int index, String name, String value)
    {
        assert index >= 1 && index <= 4;
        JLabel label = null, field = null;
        switch (index)
        {
            case 1: label = field1Label; field = field1; break;
            case 2: label = field2Label; field = field2; break;
            case 3: label = field3Label; field = field3; break;
            case 4: label = field4Label; field = field4; break;
        }
        label.setText(name);
        field.setText(value);
    }

    public void
    setDescription(String html)
    {
        description.setText(html);
    }

//   -  -%-  -

    public void
    actionPerformed(ActionEvent eA)
    {
        assert eA.getSource() == seePosts;
        primaire.seePosts();
    }

    protected void
    paintComponent(Graphics g)
    {
        g.clearRect(0, 0, getWidth(), getHeight());

        int w = getWidth(), h = getHeight();

        int aw = 256;
        int ah = 256;
        int ax = (w - aw) / 2;
        int ay = 10;
        int acx = ax + (aw / 2);
        int acy = ay + (ah / 2);
        Shape defaultClip = g.getClip();
        g.setClip(new Ellipse2D.Float(ax, ay, aw, ah));
        g.drawImage(avatar, ax, ay, aw, ah, this);
        g.setClip(defaultClip);

        g.setColor(new Color(0, 0, 0, 50));
        g.fillRect(0, acy - dy1, acx - dx1, 2);
        g.fillRect(0, acy - dy2, acx - dx2, 2);
        g.fillRect(0, acy + dy3, acx - dx3, 2);
        g.fillRect(0, acy + dy4, acx - dx4, 2);
        g.fillRect(acx + dx1, acy - dy1, w - (acx + dx1), 2);
        g.fillRect(acx + dx2, acy - dy2, w - (acx + dx2), 2);
        g.fillRect(acx + dx3, acy + dy3, w - (acx + dx3), 2);
        g.fillRect(acx + dx4, acy + dy4, w - (acx + dx4), 2);

        ((java.awt.Graphics2D)g).setRenderingHint(
            java.awt.RenderingHints.KEY_ANTIALIASING,
            java.awt.RenderingHints.VALUE_ANTIALIAS_ON
        );
    }

    public void
    doLayout()
    {
        final double TAU = 2 * Math.PI;

        int w = getWidth(), h = getHeight();
        int aw = 256;
        int ah = 256;
        int ax = (w - aw) / 2;
        int ay = 10;
        int acx = ax + (aw / 2);
        int acy = ay + (ah / 2);

        dx1 = (int)((aw * 11/20) * Math.cos(TAU * 45 / 360));
        dx2 = (int)((aw * 11/20) * Math.cos(TAU * 15 / 360));
        dx3 = dx2;
        dx4 = dx1;
        dy1 = (int)((ah / 2) * Math.sin(TAU * 45 / 360));
        dy2 = (int)((ah / 2) * Math.sin(TAU * 15 / 360));
        dy3 = dy2;
        dy4 = dy1;

        FontMetrics fm = getFontMetrics(field1.getFont());
        int lh = fm.getAscent() * 9 / 8;

        accountIdLabel.setLocation(10, acy - dy1 - lh - 1);
        accountId.setLocation(10, acy - dy1 + 1);
        accountIdLabel.setSize(acx - dx1 - 16, lh);
        accountId.setSize(acx - dx1 - 24, lh);

        displayNameLabel.setLocation(10, acy - dy2 - lh - 1);
        displayName.setLocation(10, acy - dy2 + 1);
        displayNameLabel.setSize(acx - dx2 - 16, lh);
        displayName.setSize(acx - dx2 - 24, lh);

        followedLabel.setLocation(10, acy + dy3 - lh - 1);
        followed.setLocation(10, acy + dy3 + 1);
        followedLabel.setSize(acx - dx3 - 24, lh);
        followed.setSize(acx - dx3 - 16, lh);

        historyLabel.setLocation(10, acy + dy4 - lh - 1);
        history.setLocation(10, acy + dy4 + 1);
        historyLabel.setSize(acx - dx4 - 24, lh);
        history.setSize(acx - dx4 - 16, lh);

        field1Label.setLocation(acx + dx1 + 16, acy - dy1 - lh - 1);
        field1.setLocation(acx + dx1 + 24, acy - dy1 + 1);
        field1Label.setSize(w - 10 - (acy + dx1 + 16), lh);
        field1.setSize(w - 10 - (acy + dx1 + 24), lh);

        field2Label.setLocation(acx + dx2 + 16, acy - dy2 - lh - 1);
        field2.setLocation(acx + dx2 + 24, acy - dy2 + 1);
        field2Label.setSize((w - 10) - (acy + dx2 + 16), lh);
        field2.setSize((w - 10) - (acy + dx2 + 24), lh);

        field3Label.setLocation(acx + dx3 + 24, acy + dy3 - lh - 1);
        field3.setLocation(acx + dx3 + 16, acy + dy3 + 1);
        field3Label.setSize((w - 10) - (acy + dx3 + 24), lh);
        field3.setSize((w - 10) - (acy + dx3 + 16), lh);

        field4Label.setLocation(acx + dx4 + 24, acy + dy4 - lh - 1);
        field4.setLocation(acx + dx4 + 16, acy + dy4 + 1);
        field4Label.setSize((w - 10) - (acy + dx4 + 24), lh);
        field4.setSize((w - 10) - (acy + dx4 + 16), lh);

        seePosts.setLocation(10, h - 10 - 24);
        seePosts.setSize((w - 40) / 4, 24);

        scroll.setLocation(10, (ay + ah) + 10);
        scroll.setSize(w - 20, seePosts.getY() - 10 - scroll.getY());
    }

//  ---%-@-%---

    ProfileComponent(ProfileWindow primaire)
    {
        this.primaire = primaire;

        Font f1 = new Font("VL Gothic", Font.PLAIN, 16);
        Font f2 = new Font("VL Gothic", Font.PLAIN, 14);

        int a = JLabel.RIGHT;
        accountIdLabel = new JLabel("Account ID", a);
        accountId = new JLabel("", a);
        displayNameLabel = new JLabel("Display name", a);
        displayName = new JLabel("", a);
        followedLabel = new JLabel("Followed & followers", a);
        followed = new JLabel("", a);
        historyLabel = new JLabel("History", a);
        history = new JLabel("", a);
        field1Label = new JLabel("");
        field1 = new JLabel("");
        field2Label = new JLabel("");
        field2 = new JLabel("");
        field3Label = new JLabel("");
        field3 = new JLabel("");
        field4Label = new JLabel("");
        field4 = new JLabel("");

        accountIdLabel.setFont(f1);
        accountId.setFont(f1);
        displayNameLabel.setFont(f1);
        displayName.setFont(f1);
        followedLabel.setFont(f1);
        followed.setFont(f1);
        historyLabel.setFont(f1);
        history.setFont(f2);
        field1Label.setFont(f1);
        field1.setFont(f2);
        field2Label.setFont(f1);
        field2.setFont(f2);
        field3Label.setFont(f1);
        field3.setFont(f2);
        field4Label.setFont(f1);
        field4.setFont(f2);

        description = new JTextArea();
        description.setEditable(false);
        description.setLineWrap(true);
        description.setBackground(null);
        description.setFont(f1);

        scroll = new JScrollPane(
            description,
            JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
            JScrollPane.HORIZONTAL_SCROLLBAR_NEVER
        );
        scroll.setBorder(null);

        seePosts = new JButton("See posts");
        seePosts.addActionListener(this);

        setLayout(null);
        add(accountIdLabel);
        add(accountId);
        add(displayNameLabel);
        add(displayName);
        add(followedLabel);
        add(followed);
        add(historyLabel);
        add(history);
        add(field1Label);
        add(field1);
        add(field2Label);
        add(field2);
        add(field3Label);
        add(field3);
        add(field4Label);
        add(field4);
        add(scroll);
        add(seePosts);
        setPreferredSize(new Dimension(640, 480));
    }

}