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package de.thedevstack.conversationsplus.persistance.db.migrations;

import java.net.MalformedURLException;
import java.net.URL;

import de.thedevstack.conversationsplus.entities.FileParams;

/**
 * Created by steckbrief on 24.08.2016.
 */
public class FileParamsBodyToDatabaseFieldsMigration {

    public static FileParams getFileParams(String body) {
        FileParams params = getLegacyFileParams(body);
        if (params != null) {
            return params;
        }
        params = new FileParams();
        if (body == null) {
            return params;
        }
        String parts[] = body.split("\\|");
        switch (parts.length) {
            case 1:
                try {
                    params.setSize(Long.parseLong(parts[0]));
                } catch (NumberFormatException e) {
                    try {
                        URL url = new URL(parts[0]);
                        params.setUrl(url.toString());
                    } catch (MalformedURLException e1) {
                    }
                }
                break;
            case 2:
            case 4:
                try {
                    URL url = new URL(parts[0]);
                    params.setUrl(url.toString());
                } catch (MalformedURLException e1) {
                }
                try {
                    params.setSize(Long.parseLong(parts[1]));
                } catch (NumberFormatException e) {
                }
                try {
                    params.setWidth(Integer.parseInt(parts[2]));
                } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
                }
                try {
                    params.setHeight(Integer.parseInt(parts[3]));
                } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
                }
                break;
            case 3:
                try {
                    params.setSize(Long.parseLong(parts[0]));
                } catch (NumberFormatException e) {
                }
                try {
                    params.setWidth(Integer.parseInt(parts[1]));
                } catch (NumberFormatException e) {
                }
                try {
                    params.setHeight(Integer.parseInt(parts[2]));
                } catch (NumberFormatException e) {
                }
                break;
        }
        return params;
    }

    private static FileParams getLegacyFileParams(String body) {
        FileParams params = new FileParams();
        if (body == null) {
            return params;
        }
        String parts[] = body.split(",");
        if (parts.length == 3) {
            try {
                params.setSize(Long.parseLong(parts[0]));
            } catch (NumberFormatException e) {
                return null;
            }
            try {
                params.setWidth(Integer.parseInt(parts[1]));
            } catch (NumberFormatException e) {
                return null;
            }
            try {
                params.setHeight(Integer.parseInt(parts[2]));
            } catch (NumberFormatException e) {
                return null;
            }
            return params;
        } else {
            return null;
        }
    }

}