package org.testng.internal;

import org.testng.IReporter;
import org.testng.TestNGException;
import org.testng.collections.Lists;

import java.util.List;

Stores the information regarding the configuration of a pluggable report listener.
/**
 * Stores the information regarding the configuration of a pluggable report listener.
 */
public class ReporterConfig {

    
The class name of the reporter listener /** The class name of the reporter listener */
    // TODO make it private/final once org.testng.ReporterConfig will be removed
    protected String className;

    
The properties of the reporter listener /** The properties of the reporter listener */
    // TODO make it private once org.testng.ReporterConfig will be removed
    protected final List<Property> properties;

    public ReporterConfig(String className, List<Property> properties) {
        this.className = className;
        this.properties = properties;
    }

    public String getClassName() {
        return className;
    }

    @Deprecated
    // TODO remove once org.testng.ReporterConfig will be removed
    public List<Property> getProperties() {
        return properties;
    }

    public String serialize() {
        StringBuilder sb = new StringBuilder(className);
        if (!properties.isEmpty()) {
            sb.append(":");

            for (int i = 0; i < properties.size(); i++) {
                Property property = properties.get(i);
                sb.append(property);
                if (i < properties.size() - 1) {
                    sb.append(",");
                }
            }
        }
        return sb.toString();
    }

    public static ReporterConfig deserialize(String inputString) {

        if (Utils.isStringEmpty(inputString)) {
            return null;
        }

        String className;
        List<Property> properties = Lists.newArrayList();
        int clsNameEndIndex = inputString.indexOf(':');
        if (clsNameEndIndex == -1) {
            className = inputString;
        } else {
            className = inputString.substring(0, clsNameEndIndex);
            String propString = inputString.substring(clsNameEndIndex + 1);
            for (String prop : propString.split(",")) {
                String[] propNameAndVal = prop.split("=");
                if (propNameAndVal.length == 2) {
                    properties.add(new Property(propNameAndVal[0], propNameAndVal[1]));
                }
            }
        }

        return new ReporterConfig(className, properties);
    }

    
Creates a reporter based on the current configuration /** Creates a reporter based on the current configuration */
    public IReporter newReporterInstance() {

        Class<?> reporterClass = ClassHelper.forName(className);
        if (reporterClass == null) {
            return null;
        }
        if (!IReporter.class.isAssignableFrom(reporterClass)) {
            throw new TestNGException(className + " is not a IReporter");
        }

        IReporter reporter = (IReporter) InstanceCreator.newInstance(reporterClass);

        reporter.getConfig().setProperties(properties);

        return reporter;
    }

    public static class Property {
        private final String name;
        private final String value;

        public Property(String name, String value) {
            this.name = name;
            this.value = value;
        }

        public String getName() {
            return name;
        }

        public String getValue() {
            return value;
        }

        @Override
        public String toString() {
            return name + "=" + value;
        }
    }

    @Override
    public String toString() {
        StringBuilder buf = new StringBuilder();
        buf.append("\nClass = ").append(className);
        for (Property prop : properties) {
            buf.append("\n\t ").append(prop);
        }
        return buf.toString();
    }
}