package com.annimon.everlastingsummer;

import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import com.annimon.everlastingsummer.TouchGesture.TouchGestureType;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.text.*;
import android.text.style.ForegroundColorSpan;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

/**
 * Экран воспроизведения rpy-сценария.
 * @author aNNiMON
 */
public final class ViewActivity extends Activity implements TouchGesture.OnTouchGestureListener {
    
    public static final String EXTRA_NAME = "name";
    private static final FadeInfo NO_FADE = new FadeInfo(false, false, 0);
    private static ViewActivity instance;

    public static ViewActivity getInstance() {
        return instance;
    }
    
    private ImageView background;
    private FrameLayout container;
    private TextView textview;
    private MediaPlayer musicPlayer, soundPlayer;
    
    private Map<String, Person> names;
    private Map<String, ImageView> spriteInContainer;
    private DisplayMetrics displayMetrics;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        // Постоянная подсветка.
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,
                             WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        getWindow().setBackgroundDrawable(null);
        // Размер экрана.
        displayMetrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
        
        setContentView(R.layout.main);
        instance = this;
        
        background = (ImageView) findViewById(R.id.background);
        container = (FrameLayout) findViewById(R.id.container);
        textview = (TextView) findViewById(R.id.text);
        
        background.setOnTouchListener(new TouchGesture(this, this));
        
        spriteInContainer = new HashMap<String, ImageView>();
        
        // Маппинг <короткое_имя, имя/цвет>
        names = new HashMap<String, Person>();
        // https://github.com/yakui-lover/eroge-dopil/blob/master/media.rpy#L365
        names.put("me", new Person("Семён", 0xFFE1DD7D));
        names.put("un", new Person("Лена", 0xFFB956FF)); // night 0xFFAA64D9, sunset: 0xFFB956FF, day: 0xFFB956FF, prolog: 0xFFB956FF
        names.put("dv", new Person("Алиса", 0xFFFFAA00)); // night 0xFFD28B10, sunset: 0xFFFFAA00, day: 0xFFFFAA00, prolog: 0xFFFFAA00
        names.put("sl", new Person("Славя", 0xFFFFD200)); // night 0xFFD6B000, sunset: 0xFFFFD200, day: 0xFFFFD200, prolog: 0xFFFFD200
        names.put("us", new Person("Ульяна", 0xFFFF3200)); // night 0xFFEA3700, sunset: 0xFFFF3200, day: 0xFFFF3200, prolog: 0xFFFF3200
        names.put("mt", new Person("Ольга Дмитриевна", 0xFF00EA32)); // night 0xFF00B627, sunset: 0xFF00EA32, day: 0xFF00EA32, prolog: 0xFF00EA32
        names.put("cs", new Person("Виола", 0xFFA5A5FF)); // night 0xFF8686E6, sunset: 0xFFA5A5FF, day: 0xFFA5A5FF, prolog: 0xFFA5A5FF
        names.put("mz", new Person("Женя", 0xFF4A86FF)); // night 0xFF5481DB, sunset: 0xFF72A0FF, day: 0xFF4A86FF, prolog: 0xFF4A86FF
        names.put("mi", new Person("Мику", 0xFF00DEFF)); // night 0xFF00B4CF, sunset: 0xFF00FBFF, day: 0xFF00DEFF, prolog: 0xFF00DEFF
        names.put("uv", new Person("Юля", 0xFF4EFF00)); // night 0xFF40D000, sunset: 0xFF4EFF00, day: 0xFF4EFF00, prolog: 0xFF4EFF00
        names.put("lk", new Person("Луркмор-кун", 0xFFFF8080));
        names.put("sh", new Person("Шурик", 0xFFFFF226)); // night 0xFFCDC212, sunset: 0xFFFFF226, day: 0xFFFFF226, prolog: 0xFFFFF226
        names.put("el", new Person("Электроник", 0xFFFFFF00)); // night 0xFFCDCD00, sunset: 0xFFFFFF00, day: 0xFFFFFF00, prolog: 0xFFFFFF00
        names.put("pi", new Person("Пионер", 0xFFE60101)); // night 0xFFE60000, sunset: 0xFFE60000, day: 0xFFE60101, prolog: 0xFFE60000
        
        names.put("dy", new Person("Голос из динамика", 0xFFC0C0C0));
        names.put("voice", new Person("Голос", 0xFFE1DD7D));
        names.put("voices", new Person("Голоса", 0xFFC0C0C0));
        names.put("message", new Person("Сообщение", 0xFFC0C0C0));
        names.put("all", new Person("Пионеры", 0xFFED4444)); // night 0xFFE33A3A, sunset: 0xFFE33A3A, day: 0xFFED4444, prolog: 0xFFE33A3A
        names.put("kids", new Person("Малышня", 0xFFEB7883));
        names.put("dreamgirl", new Person("...", 0xFFC0C0C0));
        names.put("bush", new Person("Голос", 0xFFC0C0C0));
        names.put("FIXME_voice", new Person("Голос", 0xFFC0C0C0));
        names.put("odn", new Person("Одногруппник", 0xFFC0C0C0));
        names.put("mt_voice", new Person("Голос", 0xFF00EA32)); // night 0xFF00B627, sunset: 0xFF00EA32, day: 0xFF00EA32, prolog: 0xFF00EA32
        
        String scriptpath = "";
        final Intent intent = getIntent();
        try {
            InputStream stream = null;
            if (intent.hasExtra(EXTRA_NAME)) {
                scriptpath = PathResolver.script( intent.getStringExtra(EXTRA_NAME) );
                stream = getAssets().open(scriptpath);
            } else if (intent.getData() != null) {
                final Uri fileUri = intent.getData();
                scriptpath = fileUri.getPath();
                stream = getContentResolver().openInputStream(fileUri);
            } else {
                Toast.makeText(this, "Нет данных для отображения", Toast.LENGTH_LONG).show();
                finish();
            }
            
            Parser.parse(Lexer.tokenize( IOUtil.readContents(stream) ));
            Parser.getInstance().next();
        } catch (Exception ex) {
            final String message = "Ошибка при открытии файла " + scriptpath;
            Logger.log(message, ex);
            Toast.makeText(this, message, Toast.LENGTH_LONG).show();
            finish();
        }
    }
    
    @Override
    protected void onPause() {
        stopMusic(NO_FADE);
        stopSound(NO_FADE);
        super.onPause();
    }
    
    @Override
    public void onTouchGesture(TouchGestureType type) {
        switch (type) {
            case SINGLE_TAP:
                Parser.getInstance().next();
                break;
            case SWIPE:
                Dialogs.with(this).showMenu(R.array.menu_items, menu);
                break;
        }
    }
    
    public boolean onKeyUp(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_MENU) {
            Dialogs.with(this).showMenu(R.array.menu_items, menu);
            return true;
        }
        return super.onKeyUp(keyCode, event);
    }
    
    private void onMenuItemSelected(int item) {
        switch (item) {
            case 0:
                Parser.getInstance().prevScene();
                break;
            case 1:
                Parser.getInstance().nextScene();
                break;
            case 2:
                Dialogs.with(getInstance()).showNavigate();
                break;
        }
    }
    
    public void windowShow() {
        if (textview.getVisibility() != View.VISIBLE)
            textview.setVisibility(View.VISIBLE);
    }
    
    public void windowHide() {
        if (textview.getVisibility() != View.INVISIBLE)
            textview.setVisibility(View.INVISIBLE);
    }
    
    public void background(String type, String name, String effect) {
        spritesClear();
        if (name.equalsIgnoreCase("black")) background.setImageResource(android.R.color.black);
        else if (name.equalsIgnoreCase("white")) background.setImageResource(android.R.color.white);
        else {
            try {
                background.setImageBitmap(IOUtil.readBitmap(PathResolver.background(type, name)));
            } catch (Exception ioe) {
                Logger.log("background: " + type + ", " + name, ioe);
                background.setImageResource(android.R.color.black);
            }
        }
    }
    
    public void spritesClear() {
        container.removeAllViews();
        spriteInContainer.clear();
    }
    
    public void sprite(String whoid, String params, String position) {
        ImageView img;
        if (spriteInContainer.containsKey(whoid)) {
            img = spriteInContainer.get(whoid);
        } else {
            img = new ImageView(this);
            spriteInContainer.put(whoid, img);
        }
        final FrameLayout.LayoutParams flp = new FrameLayout.LayoutParams(
                FrameLayout.LayoutParams.WRAP_CONTENT, FrameLayout.LayoutParams.MATCH_PARENT);
        setSpritePosition(img, flp, position);
        final String path = PathResolver.sprite(whoid, params);
        try {
            img.setImageBitmap(IOUtil.readBitmap(path));
            if (container != img.getParent())
                container.addView(img, flp);
        } catch (Exception ioe) {
            Logger.log("sprite: " + path, ioe);
        }
    }
    
    public void hideSprite(String whoid) {
        if (!spriteInContainer.containsKey(whoid)) return;
        final ImageView img = spriteInContainer.get(whoid);
        spriteInContainer.remove(img);
        container.removeView(img);
    }
    
    @SuppressLint("RtlHardcoded")
    private void setSpritePosition(ImageView img, FrameLayout.LayoutParams params, String position) {
        // Позиционирование спрайта. fleft, left, cleft, center, cright, right, fright
        final int width = displayMetrics.widthPixels;
        if (TextUtils.isEmpty(position) || position.equals("center")) {
            params.setMargins(0, 0, 0, 0);
            params.gravity = Gravity.CENTER_HORIZONTAL;
            img.setScaleType(ImageView.ScaleType.FIT_CENTER);
        } else if (position.equals("left")) {
            params.setMargins(0, 0, width/2, 0);
            params.gravity = Gravity.LEFT;
            img.setScaleType(ImageView.ScaleType.FIT_CENTER);
        } else if (position.equals("cleft")) {
            params.setMargins(0, 0, width/3, 0);
            params.gravity = Gravity.LEFT;
            img.setScaleType(ImageView.ScaleType.FIT_CENTER);
        } else if (position.equals("right")) {
            params.setMargins(width/2, 0, 0, 0);
            params.gravity = Gravity.RIGHT;
            img.setScaleType(ImageView.ScaleType.FIT_CENTER);
        } else if (position.equals("cright")) {
            params.setMargins(width/3, 0, 0, 0);
            params.gravity = Gravity.RIGHT;
            img.setScaleType(ImageView.ScaleType.FIT_CENTER);
        } else if (position.equals("fleft")) {
            params.setMargins(0, 0, 0, 0);
            params.gravity = Gravity.LEFT;
            img.setScaleType(ImageView.ScaleType.FIT_START);
        } else if (position.equals("fright")) {
            params.setMargins(0, 0, 0, 0);
            params.gravity = Gravity.RIGHT;
            img.setScaleType(ImageView.ScaleType.FIT_END);
        }
    }
    
    public void pause(final long duration) {
        text("");
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    Thread.sleep(duration);
                } catch (InterruptedException e) { }
                runOnUiThread(nextCommandRunnable);
            }
        }).start();
    }
    
    public void text(String text) {
        if (TextUtils.isEmpty(text)) windowHide();
        else {
            windowShow();
            textview.setText(formatString(text));
        }
    }
    
    public void text(String whoid, String text) {
        if (whoid.equalsIgnoreCase("th")) text("~ " + text + " ~");
        else if (!names.containsKey(whoid)) text(text);
        else {
            windowShow();
            final Person person = names.get(whoid);
            final String who = person.name;
            Spannable spannable = formatString(who + "\n" + text);
            spannable.setSpan(new ForegroundColorSpan(person.color), 0, who.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
            textview.setText(spannable);
        }
    }
    
    private Spannable formatString(String text) {
        String edited = text.replaceAll("\\{w.*?\\}", "");
        final char[] codes = {'b','i','s','u'};
        boolean html = false;
        for (int i = 0; i < codes.length; i++) {
            final char ch = codes[i];
            if (edited.contains("{"+ch+"}")) {
                edited = edited.replace("{"+ch+"}", "<"+ch+">");
                edited = edited.replace("{/"+ch+"}", "</"+ch+">");
                html = true;
            }
        }
        return new SpannableString(html ? Html.fromHtml(edited) : edited);
    }
    
    public void menu(final Menu menu) {
        Dialogs.with(this).showGameMenu(menu, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int item) {
                dialog.dismiss();
                Parser.getInstance().setPosition(menu.getPosition(item));
            }
        });
    }
    
    public void music(String name, FadeInfo fade) {
        try {
            stopMusic(fade);
            musicPlayer = new MediaPlayer();
            musicPlayer.setDataSource( IOUtil.getFD(PathResolver.music(name)) );
            musicPlayer.prepare();
            musicPlayer.setVolume(1f, 1f);
            musicPlayer.setLooping(true);
            musicPlayer.start();
        } catch (Exception e) {
            Logger.log("music: " + name, e);
        }
    }
    
    public void stopMusic(FadeInfo fade) {
        if (musicPlayer == null) return;
        if (musicPlayer.isPlaying()) {
            musicPlayer.stop();
            musicPlayer.release();
        }
        musicPlayer = null;
    }
    
    public void sound(String name, boolean loop, FadeInfo fade) {
        try {
            stopSound(fade);
            soundPlayer = new MediaPlayer();
            soundPlayer.setDataSource( IOUtil.getFD(PathResolver.sound(name)) );
            soundPlayer.prepare();
            soundPlayer.setVolume(1f, 1f);
            soundPlayer.setLooping(loop);
            soundPlayer.start();
        } catch (Exception e) {
            Logger.log("sound: " + name, e);
        }
    }
    
    public void stopSound(FadeInfo fade) {
        if (soundPlayer == null) return;
        if (soundPlayer.isPlaying()) {
            soundPlayer.stop();
            soundPlayer.release();
        }
        soundPlayer = null;
    }
    
    private final Runnable nextCommandRunnable = new Runnable() {
        @Override
        public void run() {
            Parser.getInstance().next();
        }
    };
    
    private final DialogInterface.OnClickListener menu = new DialogInterface.OnClickListener() {
        
        @Override
        public void onClick(DialogInterface dialog, int item) {
            onMenuItemSelected(item);
        }
    };
    
    private class Person {
        String name;
        int color;
        Person(String fullName, int color) {
            this.name = fullName;
            this.color = color;
        }
    }
}