package com.provagroup.wamp.client;

import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.provagroup.provaserver.wamp.ServerResponseMessage;
import com.provagroup.provaserver.wamp.UploadFile;
import com.provagroup.provaserver.wamp.WampApiFieldKeys;

public class LegitWampClient {
	private static final List<Map<String, Object>> EMPTY_LIST = new ArrayList<>();

    private final String user;
    private final String pw;
    private final String uri;
    private final String realm;
    private PgWampClient client;

	private static final List<String> USER_ARGS;
	static {
		List<String> list = new ArrayList<>();
		list.add(WampApiFieldKeys.U_ID);
		list.add(WampApiFieldKeys.U_LAST);
		list.add(WampApiFieldKeys.U_FIRST);
		list.add(WampApiFieldKeys.U_MIDDLE);
		list.add(WampApiFieldKeys.U_TITLE);
		list.add(WampApiFieldKeys.U_SUFFIX);
		list.add(WampApiFieldKeys.U_COVER_IMG);
		list.add(WampApiFieldKeys.U_PROFILE_IMG);
		list.add(WampApiFieldKeys.U_ADDRESS_LIST);
		USER_ARGS = Collections.unmodifiableList(list );
	}

    public LegitWampClient(String uri, String realm, String user, String pw) {
        this.uri = uri;
        this.realm = realm;
        this.user = user;
        this.pw = pw;
    }

    private PgWampClient getClient() {
        if (client == null) {
            client = PgWampClient.getClient(uri, realm, user, pw);
        }
        return client;
    }

	public String getRealm() {
		return realm;
	}

	public static LegitWampClient getClient(String uri, String realm, String user, String pw) {
		return new LegitWampClient(uri, realm, user, pw);
	}

	@SuppressWarnings("unchecked")
	public String forgotPassword(String email) {
        final PgWampClient client = getGuestClient("<SERVER_ADDRESS_METHOD>");
        String response = "Failed forgot password request";
		try {
			List<Map<String, Object>> args = new ArrayList<>();
			Map<String, Object> m = new HashMap<>();
			m.put(WampApiFieldKeys.U_EMAIL, email);
			args.add(m);

			List<Object> ret = client.sendRequest("forgotPassword", args );

			if (ret != null && ret.size() == 1) {
				response =  (String) ((Map<String, Object>)ret.get(0)).get(WampApiFieldKeys.FP_RES);
			}
			return response;
		} finally {
			if (client != null) {
				client.close();
			}
		}

	}

	private PgWampClient getGuestClient(String realm) {
		return PgWampClient.getClient(uri, realm, "<EMAIL>","<KEY>");
	}

	public Map<String, Object> getLoginUser() {
		List<Map<String, Object>> args = new ArrayList<>();
		List<Object> ret = getClient().sendRequest("getLoginUser", args);
		@SuppressWarnings("unchecked")
		Map<String, Object> user = (Map<String, Object>) ret.get(0);
		return user;
	}

	public void login() {
		getClient();
	}

	public List<Object> getMyCollection() {
		PgWampClient c = getClient();
		List<Object> list = c.sendRequest("myAssets", EMPTY_LIST);
		return list;
	}

	public void updatePassword(String uid, String pw2, String newpw, String newpw2) {
		if (newpw != null && newpw2 != null && newpw.compareTo(newpw2) == 0) {
			PgWampClient c = getClient();
			List<Map<String, Object>> args = new ArrayList<>();
			Map<String, Object> u = new HashMap<String, Object>();
			u.put(WampApiFieldKeys.U_ID, uid);
			u.put(WampApiFieldKeys.U_PWOLD, pw2);
			u.put(WampApiFieldKeys.U_PWNEW, newpw);
			args.add(u);
			c.sendRequest("setLoginPassword", args);
		} else {
			throw new IllegalArgumentException("Passwords must match");
		}

	}

	public Map<String, Object> getAsset(String serno) {
		Map<String, Object> a = new HashMap<String, Object>();
		a.put(WampApiFieldKeys.ASSET_SERIAL_NO, serno);
		return getAsset(a);
	}

	public Map<String, Object> getAssetByTagid(String tagid) {
		Map<String, Object> a = new HashMap<String, Object>();
		a.put(WampApiFieldKeys.ASSET_TAG_ID, tagid);
		return getAsset(a);
	}

	private Map<String, Object> getAsset(Map<String, Object> args) {
		PgWampClient c = getClient();
		List<Map<String, Object>> list = new ArrayList<>();
		list.add(args);
		List<Object> ret = c.sendRequest("getAsset", list);

		@SuppressWarnings("unchecked")
		Map<String, Object> asset = (Map<String, Object>) ret.get(0);
		return asset;
	}


	public Map<String, Object> getError(Map<String, Object> args) {
		PgWampClient c = getClient();
		List<Map<String, Object>> list = new ArrayList<>();
		list.add(args);
		List<Object> ret = c.sendRequest("getSilly", list);

		@SuppressWarnings("unchecked")
		Map<String, Object> asset = (Map<String, Object>) ret.get(0);
		return asset;
	}


	public Map<String, Object> registerAsset(String serno, String certserno) {
		PgWampClient c = getClient();
		List<Map<String, Object>> args = new ArrayList<>();
		Map<String, Object> a = new HashMap<String, Object>();
		a.put(WampApiFieldKeys.ASSET_SERIAL_NO, serno);
		a.put(WampApiFieldKeys.CERT_SERIAL_NO, certserno);
		args.add(a);
		List<Object> ret = c.sendRequest("regAsset", args);

		@SuppressWarnings("unchecked")
		Map<String, Object> asset = (Map<String, Object>) ret.get(0);
		return asset;
	}

	public Map<String,Object> updateUser(Map<String, Object> user) {
		PgWampClient c = getClient();
		List<Map<String, Object>> args = new ArrayList<>();
		Map<String, Object> m = new HashMap<>();
		for (String key : USER_ARGS) {
			add(m, key, user);
		}
		args.add(m);
		List<Object> ret = c.sendRequest("updateLoginUser", args);

		@SuppressWarnings("unchecked")
		Map<String, Object> retUser = (Map<String, Object>) ret.get(0);
		return retUser;
	}

	private void add(Map<String, Object> m, String key, Map<String, Object> user) {
		Object val = user.get(key);
		if (val != null) {
			m.put(key, val);
		}
	}

	@SuppressWarnings("unchecked")
	public Map<String, Object> registerUser(Map<String, Object> args) {
		PgWampClient c = getGuestClient("<SERVER_ADDRESS>");
		try {
			List<Map<String, Object>> o = new ArrayList<>();
			o.add(args);
			return (Map<String, Object>) ((List<Object>) c.sendRequest("registerUser", o)).get(0);
		} finally {
			c.close();
		}
	}

	public String getClientUser() {
		return user;
	}

	public Map<String, Object> uploadMedia(Map<String, Object> args, File sourceFile) {
		PgWampClient c = getClient();
		List<Map<String, Object>> list = new ArrayList<>();
		list.add(args);
		List<Object> ret = c.sendRequest("mediaUpload", list);

		@SuppressWarnings("unchecked")
		Map<String, Object> upload = (Map<String, Object>) ret.get(0);

		String url = (String) upload.get(WampApiFieldKeys.MEDIA_UPLOAD_URL);
		String name = (String) upload.get(WampApiFieldKeys.MEDIA_FILE_NAME);
		// TODO: decide on error response handling for the client.
		ServerResponseMessage resp = UploadFile.uploadFile(sourceFile, url, name);
		return upload;
	}

	public Map<String, Object> updateAsset(Map<String, Object> a) {
		PgWampClient c = getClient();
		List<Map<String, Object>> args = new ArrayList<>();
		args.add(a);
		List<Object> ret = c.sendRequest("updateAssetImages", args);

		@SuppressWarnings("unchecked")
		Map<String, Object> retUser = (Map<String, Object>) ret.get(0);
		return retUser;
	}


}