package com.swarmconnect.activities;

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

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;

import com.swarmconnect.ActiveSwarmUser.FriendRequestCB;
import com.swarmconnect.ActiveSwarmUser.GotFriendsCB;
import com.swarmconnect.Swarm;
import com.swarmconnect.SwarmUser;
import com.swarmconnect.SwarmUser.GotUserCB;
import com.swarmconnect.ui.UiConf;

public class SwarmFriendsActivity extends SwarmBaseActivity {
    private FriendsAdapter adapter = new FriendsAdapter();

    private List<SwarmUser> friends = new ArrayList<SwarmUser>();
    private List<SwarmUser> incoming = new ArrayList<SwarmUser>();

    @Override
    public void onCreate(Bundle savedInstanceState) {
        setContentView(getResource("@layout/swarm_friends"));

        ((LinearLayout)findViewById(getResource("@id/footer"))).setBackgroundDrawable(UiConf.footerBackground);

        ListView list = (ListView)findViewById(getResource("@id/list"));
        list.setAdapter(adapter);

        ((ImageButton)findViewById(getResource("@id/add"))).setBackgroundDrawable(UiConf.footerButtonBackground);
        ((ImageButton)findViewById(getResource("@id/add"))).setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                EditText edit = ((EditText)findViewById(getResource("@id/add_friend_username")));
                String username = edit.getText().toString().trim();
                if (username.length() > 0) {
                    showLoading();

                    // Search for that user...
                    SwarmUser.getUser(username, new GotUserCB() {
                        public void gotUser(final SwarmUser result) {

                            if (result != null) {
                                Swarm.user.addFriend(result.userId, new FriendRequestCB() {
                                    public void requestSuccess(boolean success) {
                                        hideLoading();

                                        if (success) {
                                            Swarm.toast("Friend Request Sent");
                                        } else {
                                            Swarm.toast("Error when adding friend!");
                                        }
                                    }
                                });

                            } else {
                                hideLoading();
                                Swarm.toast("User not found.");
                            }
                        }
                    });

                }

                edit.setText("");
            }
        });

        super.onCreate(savedInstanceState);
    }

    public void onResume() {
        super.onResume();
        reload();
    }

    public void reload() {
        runOnUiThread(new Runnable() {
            public void run() {
                getFriends();
            }
        });
    }

    private void deleteFriend(int id) {
        showLoading();
        Swarm.user.deleteFriend(id, new FriendRequestCB() {
            public void requestSuccess(boolean success) {
                hideLoading();

                if (success) {
                    Swarm.toast("Friend Deleted");
                } else {
                    Swarm.toast("Request failed.");
                }

                reload();
            }
        });
    }

    private void acceptFriend(int id) {
        showLoading();
        Swarm.user.addFriend(id, new FriendRequestCB() {
            public void requestSuccess(boolean success) {
                hideLoading();

                if (success) {
                    Swarm.toast("Friend Confirmed");
                } else {
                    Swarm.toast("Request failed.");
                }

                reload();
            }
        });
    }

    private void getFriends() {
        showLoading();
        Swarm.user.getFriends(new GotFriendsCB() {
            public void gotFriends(List<SwarmUser> friends, List<SwarmUser> incoming) {
                SwarmFriendsActivity.this.friends = friends;
                SwarmFriendsActivity.this.incoming = incoming;
                adapter.notifyDataSetChanged();
                hideLoading();
            }
        });
    }


    private class FriendsAdapter extends BaseAdapter {
        private boolean isIncoming(int position) {
            return position < incoming.size();
        }

        @Override
        public int getCount() {
            return friends.size() + incoming.size();
        }

        @Override
        public Object getItem(int position) {
            if (position < incoming.size())
                return incoming.get(position);

            position -= incoming.size();
            if (position < friends.size())
                return friends.get(position);

            return null;
        }

        @Override
        public long getItemId(int position) {
            return 0;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            View row = convertView;
            if (row == null) {
                row = View.inflate(getApplicationContext(), getResource("@layout/swarm_friends_row"), null);
            }

            final SwarmUser friend = (SwarmUser) getItem(position);
            if (friend != null) {
                row.setBackgroundColor((position % 2 == 0) ? 0x00ffffff : UiConf.altRowColor);

                ((TextView)row.findViewById(getResource("@id/username"))).setText(friend.username);
                ((TextView)row.findViewById(getResource("@id/online_text"))).setText("Offline");
                ((TextView)row.findViewById(getResource("@id/points"))).setText(""+friend.points);
                ((TextView)row.findViewById(getResource("@id/points"))).setTextColor(UiConf.blueTextColor);

                if (isIncoming(position)) {
                    row.setClickable(false);

                    ((TextView)row.findViewById(getResource("@id/online_text"))).setText("Wants to be your friend!");

                    ((LinearLayout)row.findViewById(getResource("@id/friended_section"))).setVisibility(View.GONE);
                    ((LinearLayout)row.findViewById(getResource("@id/unfriended_section"))).setVisibility(View.VISIBLE);

                    ((ImageButton)findViewById(getResource("@id/add"))).setBackgroundDrawable(UiConf.footerButtonBackground);
                    ((ImageButton)row.findViewById(getResource("@id/accept"))).setBackgroundDrawable(UiConf.footerButtonBackground);
                    ((ImageButton)row.findViewById(getResource("@id/accept"))).setOnClickListener(new OnClickListener() {
                        public void onClick(View v) {
                            acceptFriend(friend.userId);
                        }
                    });
                    ((ImageButton)row.findViewById(getResource("@id/deny"))).setBackgroundDrawable(UiConf.footerButtonBackground);
                    ((ImageButton)row.findViewById(getResource("@id/deny"))).setOnClickListener(new OnClickListener() {
                        public void onClick(View v) {
                            deleteFriend(friend.userId);
                        }
                    });

                } else {

                    ((LinearLayout)row.findViewById(getResource("@id/friended_section"))).setVisibility(View.VISIBLE);
                    ((LinearLayout)row.findViewById(getResource("@id/unfriended_section"))).setVisibility(View.GONE);

//                  row.setOnClickListener(new OnClickListener() {
//                      public void onClick(View v) {
//                          LinearLayout msg = ((LinearLayout)v.findViewById(getResource("@id/message_section")));
//                          msg.setVisibility(msg.getVisibility() == View.GONE ? View.VISIBLE : View.GONE);
//                      }
//                  });

                    row.setOnLongClickListener(new OnLongClickListener() {
                        public boolean onLongClick(View v) {
                            new AlertDialog.Builder(SwarmFriendsActivity.this)
                                .setTitle("Delete Friend")
                                .setMessage("Do you want to remove "+friend.username+" from your friends list?")
                                .setCancelable(true)
                                .setPositiveButton("Remove", new DialogInterface.OnClickListener() {
                                    public void onClick(DialogInterface dialog, int which) {
                                        deleteFriend(friend.userId);
                                    }
                                })
                                .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                                    public void onClick(DialogInterface dialog, int which) {
                                        dialog.cancel();
                                    }
                                })
                                .show();

                            return true;
                        }
                    });
                }
            }

            return row;
        }
    }

}