package com.gordonlu.qr;

import android.app.Activity;
import android.content.Context;
import com.google.appinventor.components.annotations.*;
import com.google.appinventor.components.common.ComponentCategory;
import com.google.appinventor.components.runtime.AndroidNonvisibleComponent;
import com.google.appinventor.components.runtime.ComponentContainer;
import com.google.appinventor.components.runtime.EventDispatcher;
import java.util.*;  

@DesignerComponent(
        version = 2,
        description = "This extension helps you to generate a valid link for your QR code.",
        category = ComponentCategory.EXTENSION,
        nonVisible = true,
        iconName = "https://docs.google.com/drawings/d/e/2PACX-1vQCI87PHLBF0jb8QWyYmIRQSjjNW3EFXf-qpsWCvBYkUQ9vEgPAB8SpxcMpblxNpbIYrjCjLrRLIU2c/pub?w=16&h=16")

@SimpleObject(external = true)
//Libraries
@UsesLibraries(libraries = "")
//Permissions
@UsesPermissions(permissionNames = "")

public class QR extends AndroidNonvisibleComponent {

    //Activity and Context
    private Context context;
    private Activity activity;

    public QR(ComponentContainer container){
        super(container.$form());
        this.activity = container.$context();
        this.context = container.$context();
    }

    @SimpleFunction(description = "Returns all available formats of the QR code.")
    public static List<String> AvailableFormats () {
         List<String> formats = new ArrayList<>();
          formats.add("UTF-8");  
          formats.add("Shift_JIS");  
          formats.add("ISO-8859-1");  
    return formats;
    }

    @SimpleFunction(description = "Generates a link for the QR code.")
    public String GenerateQRLink (String height, String width, String code, String type) {
        String make = "https://chart.googleapis.com/chart?cht=qr&chs=" + height + "x" + width + "&chl=" + code + "&choe=" + type;
    return make;
    }

}