#pragma once

#include "../lib/ConstTransitivePtr.h"
#include "int3.h"
#include "GameConstants.h"

/*
 * CSpellHandler.h, part of VCMI engine
 *
 * Authors: listed in file AUTHORS in main folder
 *
 * License: GNU General Public License v2.0 or later
 * Full text of license available in license.txt file, in main folder
 *
 */

class CLegacyConfigParser;
struct BattleHex;

class DLL_LINKAGE CSpell
{
public:
	enum ETargetType {NO_TARGET, CREATURE, CREATURE_EXPERT_MASSIVE, OBSTACLE};
	enum ESpellPositiveness {NEGATIVE = -1, NEUTRAL = 0, POSITIVE = 1};
	TSpell id;
	std::string name;
	std::string abbName; //abbreviated name
	std::vector<std::string> descriptions; //descriptions of spell for skill levels: 0 - none, 1 - basic, etc
	si32 level;
	bool earth;
	bool water;
	bool fire;
	bool air;
	si32 power; //spell's power
	std::vector<si32> costs; //per skill level: 0 - none, 1 - basic, etc
	std::vector<si32> powers; //[er skill level: 0 - none, 1 - basic, etc
	std::vector<si32> probabilities; //% chance to gain for castles 
	std::vector<si32> AIVals; //AI values: per skill level: 0 - none, 1 - basic, etc
	std::string attributes; //reference only attributes
	bool combatSpell; //is this spell combat (true) or adventure (false)
	bool creatureAbility; //if true, only creatures can use this spell
	si8 positiveness; //1 if spell is positive for influenced stacks, 0 if it is indifferent, -1 if it's negative
	std::vector<std::string> range; //description of spell's range in SRSL by magic school level
	std::vector<TSpell> counteredSpells; //spells that are removed when effect of this spell is placed on creature (for bless-curse, haste-slow, and similar pairs)

	std::vector<BattleHex> rangeInHexes(BattleHex centralHex, ui8 schoolLvl, ui8 side, bool *outDroppedHexes = NULL ) const; //convert range to specific hexes; last optional out parameter is set to true, if spell would cover unavailable hexes (that are not included in ret)
	si16 mainEffectAnim; //main spell effect animation, in AC format (or -1 when none)
	ETargetType getTargetType() const;

	bool isPositive() const;
	bool isNegative() const;
	bool isRisingSpell() const;
	bool isDamageSpell() const;

	template <typename Handler> void serialize(Handler &h, const int version)
	{
		h & id & name & abbName & descriptions & level & earth & water & fire & air & power & costs 
			& powers & probabilities & AIVals & attributes & combatSpell & creatureAbility & positiveness & range & counteredSpells & mainEffectAnim;
	}
};

namespace Spells
{
	enum
	{
		SUMMON_BOAT=0, SCUTTLE_BOAT=1, VISIONS=2, VIEW_EARTH=3, DISGUISE=4, VIEW_AIR=5,
		FLY=6, WATER_WALK=7, DIMENSION_DOOR=8, TOWN_PORTAL=9,

		QUICKSAND=10, LAND_MINE=11, FORCE_FIELD=12, FIRE_WALL=13, EARTHQUAKE=14,
		MAGIC_ARROW=15, ICE_BOLT=16, LIGHTNING_BOLT=17, IMPLOSION=18, 
		CHAIN_LIGHTNING=19, FROST_RING=20, FIREBALL=21, INFERNO=22, 
		METEOR_SHOWER=23, DEATH_RIPPLE=24, DESTROY_UNDEAD=25, ARMAGEDDON=26, 
		SHIELD=27, AIR_SHIELD=28, FIRE_SHIELD=29, PROTECTION_FROM_AIR=30, 
		PROTECTION_FROM_FIRE=31, PROTECTION_FROM_WATER=32, 
		PROTECTION_FROM_EARTH=33, ANTI_MAGIC=34, DISPEL=35, MAGIC_MIRROR=36, 
		CURE=37, RESURRECTION=38, ANIMATE_DEAD=39, SACRIFICE=40, BLESS=41, 
		CURSE=42, BLOODLUST=43, PRECISION=44, WEAKNESS=45, STONE_SKIN=46, 
		DISRUPTING_RAY=47, PRAYER=48, MIRTH=49, SORROW=50, FORTUNE=51, 
		MISFORTUNE=52, HASTE=53, SLOW=54, SLAYER=55, FRENZY=56, 
		TITANS_LIGHTNING_BOLT=57, COUNTERSTRIKE=58, BERSERK=59, HYPNOTIZE=60, 
		FORGETFULNESS=61, BLIND=62, TELEPORT=63, REMOVE_OBSTACLE=64, CLONE=65, 
		SUMMON_FIRE_ELEMENTAL=66, SUMMON_EARTH_ELEMENTAL=67, SUMMON_WATER_ELEMENTAL=68, SUMMON_AIR_ELEMENTAL=69,

		STONE_GAZE=70, POISON=71, BIND=72, DISEASE=73, PARALYZE=74, AGE=75, DEATH_CLOUD=76, THUNDERBOLT=77,
		DISPEL_HELPFUL_SPELLS=78, DEATH_STARE=79, ACID_BREATH_DEFENSE=80, ACID_BREATH_DAMAGE=81
	};
}

bool DLL_LINKAGE isInScreenRange(const int3 &center, const int3 &pos); //for spells like Dimension Door

class DLL_LINKAGE CSpellHandler
{
	CSpell * loadSpell(CLegacyConfigParser & parser);

public:
	CSpellHandler();
	std::vector< ConstTransitivePtr<CSpell> > spells;
	std::set<TSpell> damageSpells; //they inflict damage and require particular threatment
	std::set<TSpell> risingSpells; //they affect dead stacks and need special target selection
	std::set<TSpell> mindSpells;
	void loadSpells();

	template <typename Handler> void serialize(Handler &h, const int version)
	{
		h & spells & damageSpells & risingSpells & mindSpells;
	}
};