/**
 * @file
 * @brief Misc Xom related functions.
**/

#ifndef XOM_H
#define XOM_H

#include "ouch.h"

struct item_def;

enum xom_message_type
{
    XM_NORMAL,
    XM_INTRIGUED,
    NUM_XOM_MESSAGE_TYPES
};

enum xom_event_type
{
    XOM_DID_NOTHING = 0,

    // good acts
    XOM_GOOD_NOTHING, // good act suppressed
    XOM_GOOD_POTION,
    XOM_GOOD_SPELL_TENSION,
    XOM_GOOD_SPELL_CALM,
    XOM_GOOD_DIVINATION,
    XOM_GOOD_CONFUSION,
    XOM_GOOD_SINGLE_ALLY,
    XOM_GOOD_ANIMATE_MON_WPN,
    XOM_GOOD_RANDOM_ITEM,
    XOM_GOOD_ACQUIREMENT,
    XOM_GOOD_ALLIES,
    XOM_GOOD_POLYMORPH,
    XOM_GOOD_SWAP_MONSTERS,
    XOM_GOOD_TELEPORT,
    XOM_GOOD_VITRIFY,
    XOM_GOOD_MUTATION,
    XOM_GOOD_LIGHTNING,
    XOM_GOOD_SCENERY,
    XOM_GOOD_SNAKES,
    XOM_GOOD_DESTRUCTION,
    XOM_GOOD_ENCHANT_MONSTER,
    XOM_LAST_GOOD_ACT = XOM_GOOD_ENCHANT_MONSTER,

    // bad acts
    XOM_BAD_NOTHING,  // bad act suppressed
    XOM_BAD_COLOUR_SMOKE_TRAIL,
    XOM_BAD_MISCAST_PSEUDO,
    XOM_BAD_MISCAST_MINOR,
    XOM_BAD_MISCAST_MAJOR,
    XOM_BAD_MISCAST_NASTY,
    XOM_BAD_STATLOSS,
    XOM_BAD_TELEPORT,
    XOM_BAD_SWAP_WEAPONS,
    XOM_BAD_CHAOS_UPGRADE,
    XOM_BAD_MUTATION,
    XOM_BAD_POLYMORPH,
    XOM_BAD_STAIRS,
    XOM_BAD_CONFUSION,
    XOM_BAD_DRAINING,
    XOM_BAD_TORMENT,
    XOM_BAD_SUMMON_HOSTILES,
    XOM_BAD_PSEUDO_BANISHMENT,
    XOM_BAD_BANISHMENT,
    XOM_BAD_NOISE,
    XOM_BAD_ENCHANT_MONSTER,
    XOM_BAD_BLINK_MONSTERS,
    XOM_LAST_BAD_ACT = XOM_BAD_BLINK_MONSTERS,

    XOM_PLAYER_DEAD = 100, // player already dead (shouldn't happen)
    NUM_XOM_EVENTS
};

void xom_tick();
void xom_is_stimulated(int maxinterestingness,
                       xom_message_type message_type = XM_NORMAL,
                       bool force_message = false);
void xom_is_stimulated(int maxinterestingness, const string& message,
                       bool force_message = false);
bool xom_is_nice(int tension = -1);
int xom_acts(bool niceness, int sever, int tension = -1, bool debug = false);
const string describe_xom_favour();

static inline int xom_acts(int sever, int tension = -1)
{
    return xom_acts(xom_is_nice(tension), sever, tension);
}

int xom_maybe_reverts_banishment(bool xom_banished = true, bool debug = false);
void xom_check_lost_item(const item_def& item);
void xom_check_destroyed_item(const item_def& item, int cause = -1);
void xom_death_message(const kill_method_type killed_by);
bool xom_saves_your_life(const kill_method_type death_type, const char *aux);
void xom_new_level_noise_or_stealth();

#ifdef WIZARD
void debug_xom_effects();
#endif

bool swap_monsters(monster* m1, monster* m2);
bool move_stair(coord_def stair_pos, bool away, bool allow_under);

#endif