Category.java

package com.kickstarter.models;

import android.content.Context;
import android.os.Parcelable;
import android.support.annotation.ColorInt;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.content.ContextCompat;

import com.kickstarter.R;
import com.kickstarter.libs.utils.KSColorUtils;
import com.kickstarter.libs.qualifiers.AutoGson;

import auto.parcel.AutoParcel;

@AutoParcel
@AutoGson
public abstract class Category implements Parcelable, Comparable<Category> {
  public abstract int color();
  public abstract long id();
  public abstract String name();
  public abstract @Nullable Category parent();
  public abstract @Nullable Long parentId();
  public abstract int position();
  public abstract @Nullable Integer projectsCount();
  public abstract String slug();

  @AutoParcel.Builder
  public abstract static class Builder {
    public abstract Builder color(int __);
    public abstract Builder id(long __);
    public abstract Builder name(String __);
    public abstract Builder parent(Category __);
    public abstract Builder parentId(Long __);
    public abstract Builder position(int __);
    public abstract Builder projectsCount(Integer __);
    public abstract Builder slug(String __);
    public abstract Category build();
  }

  public static Builder builder() {
    return new AutoParcel_Category.Builder();
  }

  public abstract Builder toBuilder();

  public @ColorInt int colorWithAlpha() {
    return KSColorUtils.setAlpha(color(), 255);
  }

  @Override
  public int compareTo(final @NonNull Category other) {
    if (id() == other.id()) {
      return 0;
    }

    if (isRoot() && id() == other.rootId()) {
      return -1;
    } else if (!isRoot() && rootId() == other.id()) {
      return 1;
    }

    return root().name().compareTo(other.root().name());
  }

  public boolean isRoot() {
    return parentId() == null || parentId() == 0;
  }

  public Category root() {
    return isRoot() ? this : parent();
  }

  public long rootId() {
    return isRoot() ? id() : parentId();
  }

  public int secondaryColor(final @NonNull Context context) {
    final int identifier;
    switch ((int) rootId()) {
      case 1:
        identifier = R.color.category_secondary_art;
        break;
      case 3:
        identifier = R.color.category_secondary_comics;
        break;
      case 26:
        identifier = R.color.category_secondary_crafts;
        break;
      case 6:
        identifier = R.color.category_secondary_dance;
        break;
      case 7:
        identifier = R.color.category_secondary_design;
        break;
      case 9:
        identifier = R.color.category_secondary_fashion;
        break;
      case 11:
        identifier = R.color.category_secondary_film;
        break;
      case 10:
        identifier = R.color.category_secondary_food;
        break;
      case 12:
        identifier = R.color.category_secondary_games;
        break;
      case 13:
        identifier = R.color.category_secondary_journalism;
        break;
      case 14:
        identifier = R.color.category_secondary_music;
        break;
      case 15:
        identifier = R.color.category_secondary_photography;
        break;
      case 18:
        identifier = R.color.category_secondary_publishing;
        break;
      case 16:
        identifier = R.color.category_secondary_technology;
        break;
      case 17:
        identifier = R.color.category_secondary_theater;
        break;
      default:
        identifier = R.color.white;
        break;
    }

    return ContextCompat.getColor(context, identifier);
  }

  public @ColorInt int overlayTextColor(final Context context) {
    return overlayShouldBeLight() ? KSColorUtils.lightColor(context) : KSColorUtils.darkColor(context);
  }

  public boolean overlayShouldBeDark() {
    switch ((int) rootId()) {
      case 1:
      case 3:
      case 14:
      case 15:
      case 18:
        return true;
      default:
        return false;
    }
  }

  public boolean overlayShouldBeLight() {
    return !overlayShouldBeDark();
  }
}