package com.xxx.zzz.aall.gsonllll.googlepp;

import java.lang.reflect.Field;
import java.util.Locale;


public enum FieldNamingPolicyq implements FieldbNamingbStrategyq {


  IDENTITY() {
    @Override public String translateName(Field f) {
      return f.getName();
    }
  },


  UPPER_CAMEL_CASE() {
    @Override public String translateName(Field f) {
      return upperCaseFirstLetter(f.getName());
    }
  },


  UPPER_CAMEL_CASE_WITH_SPACES() {
    @Override public String translateName(Field f) {
      return upperCaseFirstLetter(separateCamelCase(f.getName(), ' '));
    }
  },


  UPPER_CASE_WITH_UNDERSCORES() {
    @Override public String translateName(Field f) {
      return separateCamelCase(f.getName(), '_').toUpperCase(Locale.ENGLISH);
    }
  },


  LOWER_CASE_WITH_UNDERSCORES() {
    @Override public String translateName(Field f) {
      return separateCamelCase(f.getName(), '_').toLowerCase(Locale.ENGLISH);
    }
  },


  LOWER_CASE_WITH_DASHES() {
    @Override public String translateName(Field f) {
      return separateCamelCase(f.getName(), '-').toLowerCase(Locale.ENGLISH);
    }
  },


  LOWER_CASE_WITH_DOTS() {
    @Override public String translateName(Field f) {
      return separateCamelCase(f.getName(), '.').toLowerCase(Locale.ENGLISH);
    }
  };


  static String separateCamelCase(String name, char separator) {
    StringBuilder translation = new StringBuilder();
    for (int i = 0, length = name.length(); i < length; i++) {
      char character = name.charAt(i);
      if (Character.isUpperCase(character) && translation.length() != 0) {
        translation.append(separator);
      }
      translation.append(character);
    }
    return translation.toString();
  }


  static String upperCaseFirstLetter(String s) {
    int length = s.length();
    for (int i = 0; i < length; i++) {
      char c = s.charAt(i);
      if (Character.isLetter(c)) {
        if (Character.isUpperCase(c)) {
          return s;
        }

        char uppercased = Character.toUpperCase(c);

        if (i == 0) {
          return uppercased + s.substring(1);
        } else {
          return s.substring(0, i) + uppercased + s.substring(i + 1);
        }
      }
    }

    return s;
  }
}