package org.leumasjaffe.charsheet.model.magic;

import java.util.Collection;
import java.util.List;

import org.leumasjaffe.observer.Observable;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.annotation.JsonTypeInfo.Id;

import lombok.NonNull;

@JsonTypeInfo(use = Id.MINIMAL_CLASS)
public abstract class DDSpellbook extends Observable.Instance {
	@NonNull public abstract Collection<DDSpell> spellsKnownAtLevel( int level );
	@NonNull public abstract List<DDSpell> spellsPreparedAtLevel( int level );
	
	@NonNull public List<DDSpell> getSpellsPreparedPreviouslyForLevel(int level) { return spellsPreparedAtLevel(level); }	

	public boolean learnsSpells() { return false; }
	public boolean preparesSpells() { return false; }
	@JsonIgnore public int getSharedAllowedSlots() {
		return -1;
	}
	
	public int numSpellsKnownAtLevel( int level ) {
		return spellsKnownAtLevel( level ).size();
	}
	
	public abstract int numSpellsPerDayAtLevel( int level );
	
	public int numSpellsPerDayRemainingAtLevel(int level) {
		return spellsPreparedAtLevel( level ).size();
	}
	
	public abstract void castSpell( int level, final DDSpell spell );
	
	public void learnSpells(int level, Collection<DDSpell> known) {
		throw new UnsupportedOperationException("This class does not have a list of known spells to edit");
	}
	public abstract void prepareSpells(int level, Collection<DDSpell> collection);
}