package com.example.surgerylog;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Comparator;
import java.util.Date;
import java.util.List;
import java.util.SortedSet;
import net.redroid.medlog.R;

import android.R.color;
import android.app.Activity;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.sax.TextElementListener;
import android.support.v4.app.Fragment;
import android.text.method.DateTimeKeyListener;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewDebug.FlagToString;
import android.webkit.WebView.FindListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.AdapterView.OnItemSelectedListener;

public class NewEntryFragment extends Fragment {
	/**
	 * The fragment argument representing the section number for this fragment.
	 */
	public static final String ARG_SECTION_NUMBER = "section_number";

	private MainActivity _activity;

	public NewEntryFragment() {
	}

	@Override
	public void onAttach(Activity activity) {
		super.onAttach(activity);

		// This makes sure that the container activity has implemented
		// the callback interface. If not, it throws an exception
		try {
			_activity = (MainActivity) activity;
		} catch (ClassCastException e) {
			throw new ClassCastException(activity.toString()
					+ " must implement OnHeadlineSelectedListener");
		}
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		// get root view
		View rootView = inflater.inflate(R.layout.fragment_new_entry,
				container, false);

		return rootView;
	}

	@Override
	public void onActivityCreated(Bundle savedInstanceState) {
		super.onActivityCreated(savedInstanceState);

		// get view
		View view = getView();

		// set TYPE spinner listener
		Spinner typeSpinner = (Spinner) view.findViewById(R.id.medTypeSpinner);
		typeSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
			// An item was selected. You can retrieve the selected item using
			// parent.getItemAtPosition(pos)
			@Override
			public void onItemSelected(AdapterView<?> parent, View view,
					int pos, long id) {
				// get TYPE
				MedLogType medType = _activity.Root.GetMedLogType(parent
						.getSelectedItem().toString());

				// set TYPE child spinner
				SetSpinnerData(R.id.medSubTypeSpinner, medType.GetSubTypeList());
			}

			@Override
			public void onNothingSelected(AdapterView<?> arg0) {
				// TODO Auto-generated method stub
			}
		});

		// set SUBTYPE spinner listener
		Spinner subTypeSpinner = (Spinner) view
				.findViewById(R.id.medSubTypeSpinner);
		subTypeSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
			// An item was selected. You can retrieve the selected item using
			// parent.getItemAtPosition(pos)
			@Override
			public void onItemSelected(AdapterView<?> parent, View view,
					int pos, long id) {
				// get selected TYPE
				Spinner typeSpinner = (Spinner) getView().findViewById(
						R.id.medTypeSpinner);
				String selectedType = typeSpinner.getSelectedItem().toString();
				MedLogType medType = _activity.Root.GetMedLogType(selectedType);

				// get selected SUBTYPE item
				MedLogSubType medSubtype = medType.GetMedLogSubType(parent
						.getSelectedItem().toString());

				// set SUBTYPE children spinners
				SetSpinnerData(R.id.medSubSubTypeSpinner,
						medSubtype.GetSubSubTypeList());
				SetSpinnerData(R.id.pathologySpinner,
						medSubtype.GetPathologyList());
				SetSpinnerData(R.id.interventionSpinner,
						medSubtype.GetInterventionList());
			}

			@Override
			public void onNothingSelected(AdapterView<?> arg0) {
				// TODO Auto-generated method stub
			}
		});
		
		// set save entry button
		Button saveBtn = (Button) getView().findViewById(R.id.saveButton);
		saveBtn.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {

				// if process number is missing... do not accept
				if (((EditText) getView().findViewById(R.id.nProcess)).getText()
						.toString().trim().isEmpty() == true) {
					_activity.ShowMessage(R.string.errorMissingProcessNumber_str);
					return;
				}
				
				// gather med log info
				GatherMedLogInfo();

				// apply overriden fields
				if (OverrideIsActivate()) {
					ApplyOverride();
				}

				// Log.e("Trace NewEntry", "All info collected");

				_activity.AddNewEntry();

				_activity.ShowMessage(R.string.successSavingEntry_str);

				// reset all entries to the initial state
				ResetAllEntries();
				
				// Log.e("Trace NewEntry", "Entry saved");
			}
		});

		// set override check box
		CheckBox overrideCheck = (CheckBox) getView().findViewById(
				R.id.overrideCheckBox);
		overrideCheck.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View arg0) {
				if (OverrideIsActivate()) {
					ShowOverrideFields();
				} else {
					HideOverrideFields();
				}
			}
		});
		
		// set fill override text button
		Button fillOverrideBtn = (Button) getView().findViewById(
				R.id.fillOverrideButton);
		fillOverrideBtn.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View arg0) {
				FillOverrideFromSpinners();
			}
		});

		// hide override fields
		HideOverrideFields();
	}

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

		// update type spinner based on current activity root
		SetSpinnerData(R.id.medTypeSpinner, _activity.Root.GetTypeList());

		// update first aider spinner
		SetSpinnerData(R.id.firstAiderSpinner,
				_activity.Root.GetFirstAiderList());

		// update anesthesia spinner
		SetSpinnerData(R.id.anesthesiaSpinner,
				_activity.Root.GetAnesthesiaList());

		// update place spinner
		SetSpinnerData(R.id.placeSpinner, _activity.Root.GetPlaceList());
	}

	private void SetSpinnerData(int spinnerId, List<String> spinnerValues) {
		// create array adapter
		ArrayAdapter<String> adapter = new ArrayAdapter<String>(getView()
				.getContext(),
		// android.R.layout.simple_spinner_dropdown_item,
				R.layout.multiline_spinner_dropdown_item, spinnerValues);

		// sort spinner values
		adapter.sort(new Comparator<String>() {
			public int compare(String object1, String object2) {
				return object1.compareTo(object2);
			}
		});

		// get spinner
		Spinner spinner = (Spinner) getView().findViewById(spinnerId);

		// set adapter
		spinner.setAdapter(adapter);
	}

	private Spinner GetSpinner(int spinnerId) {
		return (Spinner) getView().findViewById(spinnerId);
	}

	private EditText GetEditText(int editTextId) {
		return (EditText) getView().findViewById(editTextId);
	}
	
	private CheckBox GetCheckBox(int checkBoxId){
		return (CheckBox) getView().findViewById(checkBoxId);
	}
	
	private String GetTextFromEditText(int editTextId) {
		return ((EditText) getView().findViewById(editTextId)).getText().toString();
	}

	private Boolean OverrideIsActivate() {
		return ((CheckBox) getView().findViewById(R.id.overrideCheckBox))
				.isChecked();
	}

	private String GetTextFromSpinner(int spinnerId) {
		Object item = ((Spinner) getView().findViewById(spinnerId)).getSelectedItem();
		if (item != null)
			return item.toString();
		else
			return "";
	}

	private void GatherMedLogInfo() {
		// Log.e("Trace NewEntry", "Save requested...");

		// collect med log info
		_activity.CurrentInfo.ProcessNumber = Long
				.parseLong(((EditText) getView().findViewById(R.id.nProcess))
						.getText().toString());

		// check if surgery number is empty
		if (((EditText) getView().findViewById(R.id.nSurgery)).getText()
				.toString().trim().isEmpty() == true) {
			_activity.CurrentInfo.SurgeryNumber = (long) 0;
		} else {
			_activity.CurrentInfo.SurgeryNumber = Long
					.parseLong(((EditText) getView()
							.findViewById(R.id.nSurgery)).getText().toString());
		}

		// Log.e("Trace NewEntry", "Collected numbers");

		DatePicker date = ((DatePicker) getView().findViewById(R.id.datePicker));
		_activity.CurrentInfo.Date.set(date.getYear(), date.getMonth(),
				date.getDayOfMonth());

		// Log.e("Trace NewEntry", "Collected date");

		// get spinners (avoid empty ones)
		_activity.CurrentInfo.Type = GetTextFromSpinner(R.id.medTypeSpinner);
		_activity.CurrentInfo.SubType = GetTextFromSpinner(R.id.medSubTypeSpinner);

		_activity.CurrentInfo.SubSubType = GetTextFromSpinner(R.id.medSubSubTypeSpinner);
		_activity.CurrentInfo.Pathology = GetTextFromSpinner(R.id.pathologySpinner);
		_activity.CurrentInfo.Intervention = GetTextFromSpinner(R.id.interventionSpinner);
		_activity.CurrentInfo.FirstAider = GetTextFromSpinner(R.id.firstAiderSpinner);
		_activity.CurrentInfo.Anesthesia = GetTextFromSpinner(R.id.anesthesiaSpinner);
		_activity.CurrentInfo.Place = GetTextFromSpinner(R.id.placeSpinner);
		_activity.CurrentInfo.Urgency = ((CheckBox) getView().findViewById(
				R.id.urgencyCheckBox)).isChecked();

		_activity.CurrentInfo.Notes = GetTextFromEditText(R.id.notesText);
	}

	private void ResetAllEntries()
	{
		GetEditText(R.id.nProcess).setText("");
		GetEditText(R.id.nSurgery).setText("");
		GetEditText(R.id.placeOverride).setText("");
		GetEditText(R.id.firstAiderOverride).setText("");
		GetEditText(R.id.anesthesiaOverride).setText("");
		GetEditText(R.id.medTypeOverride).setText("");
		GetEditText(R.id.medSubTypeOverride).setText("");
		GetEditText(R.id.medSubSubTypeOverride).setText("");
		GetEditText(R.id.pathologyOverride).setText("");
		GetEditText(R.id.interventionOverride).setText("");
		GetCheckBox(R.id.urgencyCheckBox).setChecked(false);
		GetCheckBox(R.id.overrideCheckBox).setChecked(false);
		GetEditText(R.id.notesText).setText("");
		
		// set default spinners
		GetSpinner(R.id.medTypeSpinner).setSelection(0);
		GetSpinner(R.id.firstAiderSpinner).setSelection(0);
		GetSpinner(R.id.anesthesiaSpinner).setSelection(0);
		GetSpinner(R.id.placeSpinner).setSelection(0);
		
		// hide override
		HideOverrideFields();
	}
	
	private void ApplyOverride() {
		String value;
		
		value = GetTextFromEditText(R.id.medTypeOverride);
		if(value.isEmpty() == false)
		{
			_activity.CurrentInfo.Type = value;
		}
		
		value = GetTextFromEditText(R.id.medSubTypeOverride);
		if(value.isEmpty() == false)
		{
			_activity.CurrentInfo.SubType = value;
		}
		
		value = GetTextFromEditText(R.id.medSubSubTypeOverride);
		if(value.isEmpty() == false)
		{
			_activity.CurrentInfo.SubSubType = value;
		}
		
		value = GetTextFromEditText(R.id.pathologyOverride);
		if(value.isEmpty() == false)
		{
			_activity.CurrentInfo.Pathology = value;
		}
		
		value = GetTextFromEditText(R.id.interventionOverride);
		if(value.isEmpty() == false)
		{
			_activity.CurrentInfo.Intervention = value;
		}
		
		value = GetTextFromEditText(R.id.firstAiderOverride);
		if(value.isEmpty() == false)
		{
			_activity.CurrentInfo.FirstAider = value;
		}
		
		value = GetTextFromEditText(R.id.anesthesiaOverride);
		if(value.isEmpty() == false)
		{
			_activity.CurrentInfo.Anesthesia = value;
		}
		
		value = GetTextFromEditText(R.id.placeOverride);
		if(value.isEmpty() == false)
		{
			_activity.CurrentInfo.Place = value;
		}
	}

	private void HideOverrideFields() {
		GetEditText(R.id.firstAiderOverride).setVisibility(View.GONE);
		GetEditText(R.id.anesthesiaOverride).setVisibility(View.GONE);
		GetEditText(R.id.placeOverride).setVisibility(View.GONE);
		GetEditText(R.id.medTypeOverride).setVisibility(View.GONE);
		GetEditText(R.id.medSubTypeOverride).setVisibility(View.GONE);
		GetEditText(R.id.medSubSubTypeOverride).setVisibility(View.GONE);
		GetEditText(R.id.pathologyOverride).setVisibility(View.GONE);
		GetEditText(R.id.interventionOverride).setVisibility(View.GONE);
		
		((Button) getView().findViewById(R.id.fillOverrideButton)).setVisibility(View.GONE);
	}

	private void ShowOverrideFields()
	{
		SetOverrideProperties(R.id.firstAiderOverride);
		SetOverrideProperties(R.id.anesthesiaOverride);
		SetOverrideProperties(R.id.placeOverride);
		SetOverrideProperties(R.id.medTypeOverride);
		SetOverrideProperties(R.id.medSubTypeOverride);
		SetOverrideProperties(R.id.medSubSubTypeOverride);
		SetOverrideProperties(R.id.pathologyOverride);
		SetOverrideProperties(R.id.interventionOverride);
		
		((Button) getView().findViewById(R.id.fillOverrideButton)).setVisibility(View.VISIBLE);
	}
	
	private void SetOverrideProperties(int exitTextId)
	{
		int overrideColor = Color.argb(128, 51, 181, 229);
		EditText override;
		override = GetEditText(exitTextId);
		override.setVisibility(View.VISIBLE);
		override.setBackgroundColor(overrideColor);
	}
	
	private void FillOverrideFromSpinners()
	{
		GetEditText(R.id.firstAiderOverride).setText(GetTextFromSpinner(R.id.firstAiderSpinner));
		GetEditText(R.id.anesthesiaOverride).setText(GetTextFromSpinner(R.id.anesthesiaSpinner));
		GetEditText(R.id.placeOverride).setText(GetTextFromSpinner(R.id.placeSpinner));
		GetEditText(R.id.medTypeOverride).setText(GetTextFromSpinner(R.id.medTypeSpinner));
		GetEditText(R.id.medSubTypeOverride).setText(GetTextFromSpinner(R.id.medSubTypeSpinner));
		GetEditText(R.id.medSubSubTypeOverride).setText(GetTextFromSpinner(R.id.medSubSubTypeSpinner));
		GetEditText(R.id.pathologyOverride).setText(GetTextFromSpinner(R.id.pathologySpinner));
		GetEditText(R.id.interventionOverride).setText(GetTextFromSpinner(R.id.interventionSpinner));
	}

}