package org.gingercal;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.ScrollView;

import org.gingercal.Model.Cal;

/** Pick which calendars to show and which one new events go to. */
public class CalendarsActivity extends Activity {
    final List<Cal> cals = new ArrayList<Cal>();
    final List<CheckBox> boxes = new ArrayList<CheckBox>();
    Button defBtn;

    @Override
    protected void onCreate(Bundle b) {
        super.onCreate(b);
        setTitle(L.t("Calendars"));
        cals.addAll(Db.get(this).calendarList());
        LinearLayout f = App.vbox(this);
        int p = App.dp(this, 8);
        f.setPadding(p, p, p, p);
        if (cals.isEmpty()) {
            f.addView(App.text(this, L.t("No calendars yet. Set up the account in Settings and sync."), 14, 0xFFFFFFFF));
        }
        for (Cal c : cals) {
            LinearLayout row = new LinearLayout(this);
            row.setOrientation(LinearLayout.HORIZONTAL);
            View bar = new View(this);
            bar.setBackgroundColor(c.color);
            LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(App.dp(this, 6), -1);
            lp.setMargins(0, App.dp(this, 6), App.dp(this, 4), App.dp(this, 6));
            row.addView(bar, lp);
            CheckBox cb = new CheckBox(this);
            cb.setText(c.name + (c.writable ? "" : "  " + L.t("(read-only)")));
            cb.setChecked(c.enabled);
            row.addView(cb, new LinearLayout.LayoutParams(-1, -2));
            boxes.add(cb);
            f.addView(row, new LinearLayout.LayoutParams(-1, -2));
        }
        defBtn = new Button(this);
        defBtn.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                pickDefault();
            }
        });
        if (!cals.isEmpty()) f.addView(defBtn, new LinearLayout.LayoutParams(-1, -2));
        ScrollView sv = new ScrollView(this);
        sv.addView(f);
        setContentView(sv);
        label();
    }

    void label() {
        String def = App.get(this, "defcal");
        String name = L.t("first writable");
        for (Cal c : cals) if (c.href.equals(def)) name = c.name;
        defBtn.setText(L.f("New events go to: %s", name));
    }

    void pickDefault() {
        final List<Cal> w = new ArrayList<Cal>();
        for (Cal c : cals) if (c.writable) w.add(c);
        String[] names = new String[w.size()];
        for (int i = 0; i < names.length; i++) names[i] = w.get(i).name;
        new AlertDialog.Builder(this).setTitle(L.t("Default calendar"))
                .setItems(names, new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface d, int which) {
                        App.prefs(CalendarsActivity.this).edit().putString("defcal", w.get(which).href).commit();
                        label();
                    }
                }).show();
    }

    @Override
    protected void onPause() {
        super.onPause();
        boolean changed = false;
        for (int i = 0; i < cals.size(); i++) {
            boolean on = boxes.get(i).isChecked();
            if (on != cals.get(i).enabled) {
                Db.get(this).setEnabled(cals.get(i).href, on);
                cals.get(i).enabled = on;
                changed = true;
            }
        }
        if (changed) App.requestSync(this, true, false);
    }
}