package com.intellectualcrafters.plot.util;

import java.util.Map;
import java.util.Map.Entry;

public class StringMan {
    public static String replaceFromMap(String string, Map<String, String> replacements) {
        StringBuilder sb = new StringBuilder(string);
        int size = string.length();
        for (Entry<String, String> entry : replacements.entrySet()) {
            if (size == 0) {
                break;
            }
            String key = entry.getKey();
            String value = entry.getValue();
            int start = sb.indexOf(key, 0);
            while (start > -1) {
                int end = start + key.length();
                int nextSearchStart = start + value.length();
                sb.replace(start, end, value);
                size -= end - start;
                start = sb.indexOf(key, nextSearchStart);
            }
        }
        return sb.toString();
    }
    
    public static String replaceAll(String string, Object... pairs) {
        StringBuilder sb = new StringBuilder(string);
        for (int i = 0; i < pairs.length; i+=2) {
            String key = pairs[i] + "";
            String value = pairs[i + 1] + "";
            int start = sb.indexOf(key, 0);
            while (start > -1) {
                int end = start + key.length();
                int nextSearchStart = start + value.length();
                sb.replace(start, end, value);
                start = sb.indexOf(key, nextSearchStart);
            }
        }
        return sb.toString();
    }
    
    public static boolean isEqual(String a, String b ) {
        return (a == b || (a.length() == b.length() && a.hashCode() == b.hashCode() && a.equals(b)));
    }
    
}