package org.leumasjaffe.charsheet.model;

import java.io.File;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;

import org.leumasjaffe.charsheet.model.features.DDFeature;
import org.leumasjaffe.charsheet.model.magic.DDSpell;
import org.leumasjaffe.charsheet.model.magic.DDSpellList;
import org.leumasjaffe.charsheet.model.magic.DDSpellList.SpellList;

import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;

import lombok.AccessLevel;
import lombok.Data;
import lombok.Getter;
import lombok.NonNull;
import lombok.SneakyThrows;
import lombok.experimental.FieldDefaults;

@Data
@FieldDefaults(level=AccessLevel.PRIVATE, makeFinal=true)
@JsonIgnoreProperties(ignoreUnknown=true)
public class DDClass {
	@NonNull String name;
	
	int skillPoints;
	@NonNull AttackQuality bab;
	@NonNull SaveQuality fort;
	@NonNull SaveQuality ref;
	@NonNull SaveQuality will;
	
	@Getter(AccessLevel.NONE) @NonNull List<List<DDFeature>> features;
	
	@NonNull Set<String> skills;
	
	@NonNull Optional<DDSpellList> spells;
	
	static Map<String, DDClass> store = new HashMap<>();
	
	@SneakyThrows
	public static DDClass getFromResource(final String name) {
		if (!store.containsKey(name)) {
			final ObjectMapper mapper = new ObjectMapper();
			mapper.registerModule(new Jdk8Module());
			store.put(name, mapper.readValue(new File("resources/classes/" + name + ".json"), DDClass.class));
		}
		return store.get(name);
	}
	
	public Collection<DDSpell> getSpellList( int level ) {
		List<SpellList> list = spells.get().getSpellList();
		return list.size() <= level ? Collections.emptySet() : list.get( level ).getSpellList();
	}
	
	public boolean isClassSkill(final String skillName) {
		if (skillName.contains("(")) {
			return skills.contains(skillName) || skills.contains(skillName.replaceFirst("\\(.*\\)", "(*)"));
		}
		return skills.contains(skillName);
	}
}