package com.example.cosmosclient.yolp;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;

public class Yolp {
    private static Yolp theInstance = null;

    private HashMap<Integer, SubCategory> codeToSubcategory = new HashMap<>();
    private HashMap<String, Category> nameToCategory = new HashMap<>();

    private Yolp() {
//        Yolp.getInstance().getCategoryByName("ショッピング").getSubCategories();
//        for (Category c: Yolp.getInstance().getCategories()) {
//        }
//        for (String n: Yolp.getInstance().getCategoryNames()) {
//        }
        Category cat203 = new Category("家電・携帯電話");
        cat203.addSubCategory(new SubCategory(203001, "電化製品"));
        cat203.addSubCategory(new SubCategory(203002,"家電量販店"));
        cat203.addSubCategory(new SubCategory(203003,"携帯電話"));
        cat203.addSubCategory(new SubCategory(203004, "パソコン"));
        putNameToCategory(cat203.getName(),cat203);

        Category cat205 = new Category("コンビニ・スーパー");
        cat205.addSubCategory(new SubCategory(205001, "コンビニ"));
        cat205.addSubCategory(new SubCategory(205002, "スーパー"));
        putNameToCategory(cat205.getName(), cat205);
    }

    public static Yolp getInstance() {
        if (theInstance == null) {
            theInstance = new Yolp();
        }
        return theInstance;
    }

    // 業種コードから業種名3
    public SubCategory getSubCategoryByCode(int code) {
        return codeToSubcategory.get(code);
    }

    public HashMap<Integer, SubCategory> getCodeToSubcategory() {
        return codeToSubcategory;
    }

    public void setCodeToSubcategory(HashMap<Integer, SubCategory> codeToSubcategory) {
        this.codeToSubcategory = codeToSubcategory;
    }

    public void putCodeToSubCategory(int code, SubCategory subCategory) {
        codeToSubcategory.put(code, subCategory);
    }

    // 業種名2から業種名3
    public String[] getCategoryNames() {
        return nameToCategory.keySet().toArray(new String[0]);
    }

    public Collection<Category> getCategories() {
        return nameToCategory.values();
    }

    public Category getCategoryByName(String name) {
        return nameToCategory.get(name);
    }

    public void setNameToCategory(HashMap<String, Category> nameToCategory) {
        this.nameToCategory = nameToCategory;
    }

    public void putNameToCategory(String name, Category category) {
        nameToCategory.put(name, category);
        for (SubCategory s: category.getSubCategories()) {
            codeToSubcategory.put(s.getCode(), s);
        }
    }


    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Yolp yolp = (Yolp) o;
        return codeToSubcategory.equals(yolp.codeToSubcategory) || nameToCategory.equals(yolp.nameToCategory);
    }
}