package com.chintan.justnotes.activities;

import android.annotation.TargetApi;
import android.app.Dialog;
import android.app.ListActivity;
import android.content.Context;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.CursorAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;

import com.chintan.justnotes.FloatingActionButton;
import com.chintan.justnotes.R;
import com.chintan.justnotes.databases.DatabaseConnecter;
import com.chintan.justnotes.ui.CustomDialog;
import com.readystatesoftware.systembartint.SystemBarTintManager;

public class DisplayNotes extends ListActivity {

    // Declare variables
    private static final String TITLE = "Title";
    private static final String SUMMARY = "Summary";
    private ListView mNoteListView;
    private CursorAdapter mNoteAdapter;
    private FloatingActionButton mFAB;

    // Declare dialog variables
    private static final int DIALOG_ALERT = 10;
    public final static String TITLE_NOTES = "TitleNotes";
    public final static String SUMMARY_NOTES = "SummaryNotes";
    private Context mContext = this;
    private long mRowID;
    private EditText mTitle;
    private EditText mSummary;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.display_notes);

        // Set up status bar tint
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            setTranslucentStatus(true);
        }

        SystemBarTintManager tintManager = new SystemBarTintManager(this);
        tintManager.setStatusBarTintEnabled(true);

        if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
            tintManager.setStatusBarTintResource(R.color.action_bar_color);
        } else if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
            tintManager.setStatusBarTintResource(R.color.action_bar_tint_color);
        }

        // Locate ListView
        mNoteListView = getListView();

        // Set up FAB
        mFAB = (FloatingActionButton) findViewById(R.id.floating_action_button);
        mFAB.listenTo(mNoteListView);

        // Map all the titles into the title_text TextView
        String[] from = new String[]{
                TITLE, SUMMARY
        };
        int[] to = new int[]{
                R.id.title_text, R.id.summary_text
        };

        // Create a SimpleCursorAdapter
        mNoteAdapter = new SimpleCursorAdapter(DisplayNotes.this,
                R.layout.note_item, null, from, to);

        // Set the Adapter into SimpleCursorAdapter
        setListAdapter(mNoteAdapter);
    }

    @Override
    protected Dialog onCreateDialog(int id) {
        switch (id) {
            case DIALOG_ALERT:
                // Set up the add note dialog
                mTitle = (EditText) findViewById(R.id.title_edit_text);
                mSummary = (EditText) findViewById(R.id.summary_edit_text);

                // Retrieve the Row ID from DisplayNotes.java
                Bundle extras = getIntent().getExtras();
                if (extras != null) {
                    mRowID = extras.getLong("row_id");
                    mTitle.setText(extras.getString(TITLE_NOTES));
                    mSummary.setText(extras.getString(SUMMARY_NOTES));
                }

                CustomDialog.Builder mAddNoteDialog = new CustomDialog.Builder(mContext);
                mAddNoteDialog.title(mContext.getString(R.string.add_note));
                mAddNoteDialog.content(mContext.getString(R.string.add_note));
                mAddNoteDialog.positiveText(mContext.getString(R.string.button_save));
                mAddNoteDialog.negativeText(mContext.getString(R.string.button_cancel));
                mAddNoteDialog.positiveColor("#4285F4");

                CustomDialog mAddNoteAlertDialog = mAddNoteDialog.build();
                mAddNoteAlertDialog.setCanceledOnTouchOutside(false);
                mAddNoteAlertDialog.setCancelable(false);
                mAddNoteAlertDialog.show();
        }
        return super.onCreateDialog(id);
    }

    @TargetApi(19)
    private void setTranslucentStatus(boolean on) {
        Window win = getWindow();
        WindowManager.LayoutParams winParams = win.getAttributes();
        final int bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
        if (on) {
            winParams.flags |= bits;
        } else {
            winParams.flags &= ~bits;
        }
        win.setAttributes(winParams);
    }

    // Save the note
    private void saveNote() {
        DatabaseConnecter dbConnector = new DatabaseConnecter(this);

        if (getIntent().getExtras() == null) {
            // Passes the data to InsertNote in DatabaseConnector.java
            dbConnector.InsertNote(mTitle.getText().toString(),
                    mSummary.getText().toString());
        }
    }

    public void fabClicked(View view) {
        showDialog(DIALOG_ALERT);
    }

    @Override
    protected void onResume() {
        super.onResume();

        // Execute GetNotes Asynctask on return to MainActivity
        new GetNotes().execute((Object[]) null);
    }

    @Override
    protected void onStop() {
        Cursor cursor = mNoteAdapter.getCursor();

        // Deactivates the Cursor
        if (cursor != null)
            cursor.deactivate();

        mNoteAdapter.changeCursor(null);
        super.onStop();
    }

    // GetNotes AsyncTask
    private class GetNotes extends AsyncTask<Object, Object, Cursor> {
        DatabaseConnecter dbConnector = new DatabaseConnecter(DisplayNotes.this);

        @Override
        protected Cursor doInBackground(Object... params) {
            // Open the database
            dbConnector.open();

            return dbConnector.ListAllNotes();
        }

        @Override
        protected void onPostExecute(Cursor result) {
            mNoteAdapter.changeCursor(result);

            // Close Database
            dbConnector.close();
        }
    }
}