module BattleHandlers
  # Battler's speed calculation
  SpeedCalcAbility                    = AbilityHandlerHash.new
  SpeedCalcItem                       = ItemHandlerHash.new
  # Battler's weight calculation
  WeightCalcAbility                   = AbilityHandlerHash.new
  WeightCalcItem                      = ItemHandlerHash.new   # Float Stone
  # Battler's HP/stat changed
  HPHealItem                          = ItemHandlerHash.new
  AbilityOnHPDroppedBelowHalf         = AbilityHandlerHash.new
  ItemOnStatDropped                   = ItemHandlerHash.new
  # Battler's status problem
  StatusCheckAbilityNonIgnorable      = AbilityHandlerHash.new   # Comatose
  StatusImmunityAbility               = AbilityHandlerHash.new
  StatusImmunityAbilityNonIgnorable   = AbilityHandlerHash.new
  StatusImmunityAllyAbility           = AbilityHandlerHash.new
  AbilityOnStatusInflicted            = AbilityHandlerHash.new   # Synchronize
  StatusCureItem                      = ItemHandlerHash.new
  StatusCureAbility                   = AbilityHandlerHash.new
  # Battler's stat stages
  StatLossImmunityAbility             = AbilityHandlerHash.new
  StatLossImmunityAbilityNonIgnorable = AbilityHandlerHash.new   # Full Metal Body
  StatLossImmunityAllyAbility         = AbilityHandlerHash.new   # Flower Veil
  AbilityOnStatGain                   = AbilityHandlerHash.new   # None!
  AbilityOnStatLoss                   = AbilityHandlerHash.new
  # Priority and turn order
  PriorityChangeAbility               = AbilityHandlerHash.new
  PriorityBracketChangeAbility        = AbilityHandlerHash.new   # Stall
  PriorityBracketChangeItem           = ItemHandlerHash.new
  PriorityBracketUseAbility           = AbilityHandlerHash.new   # None!
  PriorityBracketUseItem              = ItemHandlerHash.new
  # Move usage failures
  AbilityOnFlinch                     = AbilityHandlerHash.new   # Steadfast
  MoveBlockingAbility                 = AbilityHandlerHash.new
  MoveImmunityTargetAbility           = AbilityHandlerHash.new
  UserItemOnMissing                   = ItemHandlerHash.new   # Blunder Policy
  # Move usage
  MoveBaseTypeModifierAbility         = AbilityHandlerHash.new
  # Accuracy calculation
  AccuracyCalcUserAbility             = AbilityHandlerHash.new
  AccuracyCalcUserAllyAbility         = AbilityHandlerHash.new   # Victory Star
  AccuracyCalcTargetAbility           = AbilityHandlerHash.new
  AccuracyCalcUserItem                = ItemHandlerHash.new
  AccuracyCalcTargetItem              = ItemHandlerHash.new
  # Damage calculation
  DamageCalcUserAbility               = AbilityHandlerHash.new
  DamageCalcUserAllyAbility           = AbilityHandlerHash.new
  DamageCalcTargetAbility             = AbilityHandlerHash.new
  DamageCalcTargetAbilityNonIgnorable = AbilityHandlerHash.new
  DamageCalcTargetAllyAbility         = AbilityHandlerHash.new
  DamageCalcUserItem                  = ItemHandlerHash.new
  DamageCalcTargetItem                = ItemHandlerHash.new
  # Critical hit calculation
  CriticalCalcUserAbility             = AbilityHandlerHash.new
  CriticalCalcTargetAbility           = AbilityHandlerHash.new
  CriticalCalcUserItem                = ItemHandlerHash.new
  CriticalCalcTargetItem              = ItemHandlerHash.new   # None!
  # Upon a move hitting a target
  TargetAbilityOnHit                  = AbilityHandlerHash.new
  UserAbilityOnHit                    = AbilityHandlerHash.new   # Poison Touch
  TargetItemOnHit                     = ItemHandlerHash.new
  TargetItemOnHitPositiveBerry        = ItemHandlerHash.new
  # Abilities/items that trigger at the end of using a move
  UserAbilityEndOfMove                = AbilityHandlerHash.new
  TargetItemAfterMoveUse              = ItemHandlerHash.new
  UserItemAfterMoveUse                = ItemHandlerHash.new
  TargetAbilityAfterMoveUse           = AbilityHandlerHash.new
  EndOfMoveItem                       = ItemHandlerHash.new   # Leppa Berry
  EndOfMoveStatRestoreItem            = ItemHandlerHash.new   # White Herb
  # Experience and EV gain
  ExpGainModifierItem                 = ItemHandlerHash.new   # Lucky Egg
  EVGainModifierItem                  = ItemHandlerHash.new
  # Weather and terrin
  WeatherExtenderItem                 = ItemHandlerHash.new
  TerrainExtenderItem                 = ItemHandlerHash.new   # Terrain Extender
  TerrainStatBoostItem                = ItemHandlerHash.new
  # End Of Round
  EORWeatherAbility                   = AbilityHandlerHash.new
  EORHealingAbility                   = AbilityHandlerHash.new
  EORHealingItem                      = ItemHandlerHash.new
  EOREffectAbility                    = AbilityHandlerHash.new
  EOREffectItem                       = ItemHandlerHash.new
  EORGainItemAbility                  = AbilityHandlerHash.new
  # Switching and fainting
  CertainSwitchingUserAbility         = AbilityHandlerHash.new   # None!
  CertainSwitchingUserItem            = ItemHandlerHash.new   # Shed Shell
  TrappingTargetAbility               = AbilityHandlerHash.new
  TrappingTargetItem                  = ItemHandlerHash.new   # None!
  AbilityOnSwitchIn                   = AbilityHandlerHash.new
  ItemOnSwitchIn                      = ItemHandlerHash.new   # Air Balloon
  ItemOnIntimidated                   = ItemHandlerHash.new   # Adrenaline Orb
  AbilityOnSwitchOut                  = AbilityHandlerHash.new
  AbilityChangeOnBattlerFainting      = AbilityHandlerHash.new
  AbilityOnBattlerFainting            = AbilityHandlerHash.new   # Soul-Heart
  AbilityOnTerrainChange              = AbilityHandlerHash.new   # Mimicry
  AbilityOnIntimidated                = AbilityHandlerHash.new   # Rattled (Gen 8)
  # Running from battle
  RunFromBattleAbility                = AbilityHandlerHash.new   # Run Away
  RunFromBattleItem                   = ItemHandlerHash.new   # Smoke Ball

  #=============================================================================

  def self.triggerSpeedCalcAbility(ability,battler,mult)
    ret = SpeedCalcAbility.trigger(ability,battler,mult)
    return (ret!=nil) ? ret : mult
  end

  def self.triggerSpeedCalcItem(item,battler,mult)
    ret = SpeedCalcItem.trigger(item,battler,mult)
    return (ret!=nil) ? ret : mult
  end

  #=============================================================================

  def self.triggerWeightCalcAbility(ability,battler,w)
    ret = WeightCalcAbility.trigger(ability,battler,w)
    return (ret!=nil) ? ret : w
  end

  def self.triggerWeightCalcItem(item,battler,w)
    ret = WeightCalcItem.trigger(item,battler,w)
    return (ret!=nil) ? ret : w
  end

  #=============================================================================

  def self.triggerHPHealItem(item,battler,battle,forced)
    ret = HPHealItem.trigger(item,battler,battle,forced)
    return (ret!=nil) ? ret : false
  end

  def self.triggerAbilityOnHPDroppedBelowHalf(ability, user, move_user, battle)
    ret = AbilityOnHPDroppedBelowHalf.trigger(ability, user, move_user, battle)
    return (ret!=nil) ? ret : false
  end

  def self.triggerItemOnStatDropped(item, user, move_user, battle)
    ret = ItemOnStatDropped.trigger(item, user, move_user, battle)
    return (ret != nil) ? ret : false
  end

  #=============================================================================

  def self.triggerStatusCheckAbilityNonIgnorable(ability,battler,status)
    ret = StatusCheckAbilityNonIgnorable.trigger(ability,battler,status)
    return (ret!=nil) ? ret : false
  end

  def self.triggerStatusImmunityAbility(ability,battler,status)
    ret = StatusImmunityAbility.trigger(ability,battler,status)
    return (ret!=nil) ? ret : false
  end

  def self.triggerStatusImmunityAbilityNonIgnorable(ability,battler,status)
    ret = StatusImmunityAbilityNonIgnorable.trigger(ability,battler,status)
    return (ret!=nil) ? ret : false
  end

  def self.triggerStatusImmunityAllyAbility(ability,battler,status)
    ret = StatusImmunityAllyAbility.trigger(ability,battler,status)
    return (ret!=nil) ? ret : false
  end

  def self.triggerAbilityOnStatusInflicted(ability,battler,user,status)
    AbilityOnStatusInflicted.trigger(ability,battler,user,status)
  end

  def self.triggerStatusCureItem(item,battler,battle,forced)
    ret = StatusCureItem.trigger(item,battler,battle,forced)
    return (ret!=nil) ? ret : false
  end

  def self.triggerStatusCureAbility(ability,battler)
    ret = StatusCureAbility.trigger(ability,battler)
    return (ret!=nil) ? ret : false
  end

  #=============================================================================

  def self.triggerStatLossImmunityAbility(ability,battler,stat,battle,showMessages)
    ret = StatLossImmunityAbility.trigger(ability,battler,stat,battle,showMessages)
    return (ret!=nil) ? ret : false
  end

  def self.triggerStatLossImmunityAbilityNonIgnorable(ability,battler,stat,battle,showMessages)
    ret = StatLossImmunityAbilityNonIgnorable.trigger(ability,battler,stat,battle,showMessages)
    return (ret!=nil) ? ret : false
  end

  def self.triggerStatLossImmunityAllyAbility(ability,bearer,battler,stat,battle,showMessages)
    ret = StatLossImmunityAllyAbility.trigger(ability,bearer,battler,stat,battle,showMessages)
    return (ret!=nil) ? ret : false
  end

  def self.triggerAbilityOnStatGain(ability,battler,stat,user)
    AbilityOnStatGain.trigger(ability,battler,stat,user)
  end

  def self.triggerAbilityOnStatLoss(ability,battler,stat,user)
    AbilityOnStatLoss.trigger(ability,battler,stat,user)
  end

  #=============================================================================

  def self.triggerPriorityChangeAbility(ability,battler,move,pri)
    ret = PriorityChangeAbility.trigger(ability,battler,move,pri)
    return (ret!=nil) ? ret : pri
  end

  def self.triggerPriorityBracketChangeAbility(ability,battler,subPri,battle)
    ret = PriorityBracketChangeAbility.trigger(ability,battler,subPri,battle)
    return (ret!=nil) ? ret : subPri
  end

  def self.triggerPriorityBracketChangeItem(item,battler,subPri,battle)
    ret = PriorityBracketChangeItem.trigger(item,battler,subPri,battle)
    return (ret!=nil) ? ret : subPri
  end

  def self.triggerPriorityBracketUseAbility(ability,battler,battle)
    PriorityBracketUseAbility.trigger(ability,battler,battle)
  end

  def self.triggerPriorityBracketUseItem(item,battler,battle)
    PriorityBracketUseItem.trigger(item,battler,battle)
  end

  #=============================================================================

  def self.triggerAbilityOnFlinch(ability,battler,battle)
    AbilityOnFlinch.trigger(ability,battler,battle)
  end

  def self.triggerMoveBlockingAbility(ability,bearer,user,targets,move,battle)
    ret = MoveBlockingAbility.trigger(ability,bearer,user,targets,move,battle)
    return (ret!=nil) ? ret : false
  end

  def self.triggerMoveImmunityTargetAbility(ability, user, target, move, type, battle, show_message)
    ret = MoveImmunityTargetAbility.trigger(ability, user, target, move, type, battle, show_message)
    return (ret!=nil) ? ret : false
  end

  def self.triggerUserItemOnMissing(item, user, target, move, hit_num, battle)
    UserItemOnMissing.trigger(item, user, target, move, hit_num, battle)
  end

  #=============================================================================

  def self.triggerMoveBaseTypeModifierAbility(ability,user,move,type)
    ret = MoveBaseTypeModifierAbility.trigger(ability,user,move,type)
    return (ret!=nil) ? ret : type
  end

  #=============================================================================

  def self.triggerAccuracyCalcUserAbility(ability,mods,user,target,move,type)
    AccuracyCalcUserAbility.trigger(ability,mods,user,target,move,type)
  end

  def self.triggerAccuracyCalcUserAllyAbility(ability,mods,user,target,move,type)
    AccuracyCalcUserAllyAbility.trigger(ability,mods,user,target,move,type)
  end

  def self.triggerAccuracyCalcTargetAbility(ability,mods,user,target,move,type)
    AccuracyCalcTargetAbility.trigger(ability,mods,user,target,move,type)
  end

  def self.triggerAccuracyCalcUserItem(item,mods,user,target,move,type)
    AccuracyCalcUserItem.trigger(item,mods,user,target,move,type)
  end

  def self.triggerAccuracyCalcTargetItem(item,mods,user,target,move,type)
    AccuracyCalcTargetItem.trigger(item,mods,user,target,move,type)
  end

  #=============================================================================

  def self.triggerDamageCalcUserAbility(ability,user,target,move,mults,baseDmg,type)
    DamageCalcUserAbility.trigger(ability,user,target,move,mults,baseDmg,type)
  end

  def self.triggerDamageCalcUserAllyAbility(ability,user,target,move,mults,baseDmg,type)
    DamageCalcUserAllyAbility.trigger(ability,user,target,move,mults,baseDmg,type)
  end

  def self.triggerDamageCalcTargetAbility(ability,user,target,move,mults,baseDmg,type)
    DamageCalcTargetAbility.trigger(ability,user,target,move,mults,baseDmg,type)
  end

  def self.triggerDamageCalcTargetAbilityNonIgnorable(ability,user,target,move,mults,baseDmg,type)
    DamageCalcTargetAbilityNonIgnorable.trigger(ability,user,target,move,mults,baseDmg,type)
  end

  def self.triggerDamageCalcTargetAllyAbility(ability,user,target,move,mults,baseDmg,type)
    DamageCalcTargetAllyAbility.trigger(ability,user,target,move,mults,baseDmg,type)
  end

  def self.triggerDamageCalcUserItem(item,user,target,move,mults,baseDmg,type)
    DamageCalcUserItem.trigger(item,user,target,move,mults,baseDmg,type)
  end

  def self.triggerDamageCalcTargetItem(item,user,target,move,mults,baseDmg,type)
    DamageCalcTargetItem.trigger(item,user,target,move,mults,baseDmg,type)
  end

  #=============================================================================

  def self.triggerCriticalCalcUserAbility(ability,user,target,c)
    ret = CriticalCalcUserAbility.trigger(ability,user,target,c)
    return (ret!=nil) ? ret : c
  end

  def self.triggerCriticalCalcTargetAbility(ability,user,target,c)
    ret = CriticalCalcTargetAbility.trigger(ability,user,target,c)
    return (ret!=nil) ? ret : c
  end

  def self.triggerCriticalCalcUserItem(item,user,target,c)
    ret = CriticalCalcUserItem.trigger(item,user,target,c)
    return (ret!=nil) ? ret : c
  end

  def self.triggerCriticalCalcTargetItem(item,user,target,c)
    ret = CriticalCalcTargetItem.trigger(item,user,target,c)
    return (ret!=nil) ? ret : c
  end

  #=============================================================================

  def self.triggerTargetAbilityOnHit(ability,user,target,move,battle)
    TargetAbilityOnHit.trigger(ability,user,target,move,battle)
  end

  def self.triggerUserAbilityOnHit(ability,user,target,move,battle)
    UserAbilityOnHit.trigger(ability,user,target,move,battle)
  end

  def self.triggerTargetItemOnHit(item,user,target,move,battle)
    TargetItemOnHit.trigger(item,user,target,move,battle)
  end

  def self.triggerTargetItemOnHitPositiveBerry(item,battler,battle,forced)
    ret = TargetItemOnHitPositiveBerry.trigger(item,battler,battle,forced)
    return (ret!=nil) ? ret : false
  end

  #=============================================================================

  def self.triggerUserAbilityEndOfMove(ability,user,targets,move,battle)
    UserAbilityEndOfMove.trigger(ability,user,targets,move,battle)
  end

  def self.triggerTargetItemAfterMoveUse(item, battler, user, move, switched_battlers, battle)
    TargetItemAfterMoveUse.trigger(item, battler, user, move, switched_battlers, battle)
  end

  def self.triggerUserItemAfterMoveUse(item,user,targets,move,numHits,battle)
    UserItemAfterMoveUse.trigger(item,user,targets,move,numHits,battle)
  end

  def self.triggerTargetAbilityAfterMoveUse(ability, target, user, move, switched_battlers, battle)
    TargetAbilityAfterMoveUse.trigger(ability, target, user, move, switched_battlers, battle)
  end

  def self.triggerEndOfMoveItem(item,battler,battle,forced)
    ret = EndOfMoveItem.trigger(item,battler,battle,forced)
    return (ret!=nil) ? ret : false
  end

  def self.triggerEndOfMoveStatRestoreItem(item,battler,battle,forced)
    ret = EndOfMoveStatRestoreItem.trigger(item,battler,battle,forced)
    return (ret!=nil) ? ret : false
  end

  #=============================================================================

  def self.triggerExpGainModifierItem(item,battler,exp)
    ret = ExpGainModifierItem.trigger(item,battler,exp)
    return (ret!=nil) ? ret : -1
  end

  def self.triggerEVGainModifierItem(item,battler,evarray)
    return false if !EVGainModifierItem[item]
    EVGainModifierItem.trigger(item,battler,evarray)
    return true
  end

  #=============================================================================

  def self.triggerWeatherExtenderItem(item,weather,duration,battler,battle)
    ret = WeatherExtenderItem.trigger(item,weather,duration,battler,battle)
    return (ret!=nil) ? ret : duration
  end

  def self.triggerTerrainExtenderItem(item,terrain,duration,battler,battle)
    ret = TerrainExtenderItem.trigger(item,terrain,duration,battler,battle)
    return (ret!=nil) ? ret : duration
  end

  def self.triggerTerrainStatBoostItem(item,battler,battle)
    ret = TerrainStatBoostItem.trigger(item,battler,battle)
    return (ret!=nil) ? ret : false
  end

  #=============================================================================

  def self.triggerEORWeatherAbility(ability,weather,battler,battle)
    EORWeatherAbility.trigger(ability,weather,battler,battle)
  end

  def self.triggerEORHealingAbility(ability,battler,battle)
    EORHealingAbility.trigger(ability,battler,battle)
  end

  def self.triggerEORHealingItem(item,battler,battle)
    EORHealingItem.trigger(item,battler,battle)
  end

  def self.triggerEOREffectAbility(ability,battler,battle)
    EOREffectAbility.trigger(ability,battler,battle)
  end

  def self.triggerEOREffectItem(item,battler,battle)
    EOREffectItem.trigger(item,battler,battle)
  end

  def self.triggerEORGainItemAbility(ability,battler,battle)
    EORGainItemAbility.trigger(ability,battler,battle)
  end

  #=============================================================================

  def self.triggerCertainSwitchingUserAbility(ability,switcher,battle)
    ret = CertainSwitchingUserAbility.trigger(ability,switcher,battle)
    return (ret!=nil) ? ret : false
  end

  def self.triggerCertainSwitchingUserItem(item,switcher,battle)
    ret = CertainSwitchingUserItem.trigger(item,switcher,battle)
    return (ret!=nil) ? ret : false
  end

  def self.triggerTrappingTargetAbility(ability,switcher,bearer,battle)
    ret = TrappingTargetAbility.trigger(ability,switcher,bearer,battle)
    return (ret!=nil) ? ret : false
  end

  def self.triggerTrappingTargetItem(item,switcher,bearer,battle)
    ret = TrappingTargetItem.trigger(item,switcher,bearer,battle)
    return (ret!=nil) ? ret : false
  end

  def self.triggerAbilityOnSwitchIn(ability,battler,battle)
    AbilityOnSwitchIn.trigger(ability,battler,battle)
  end

  def self.triggerItemOnSwitchIn(item,battler,battle)
    ItemOnSwitchIn.trigger(item,battler,battle)
  end

  def self.triggerItemOnIntimidated(item,battler,battle)
    ret = ItemOnIntimidated.trigger(item,battler,battle)
    return (ret!=nil) ? ret : false
  end

  def self.triggerAbilityOnSwitchOut(ability,battler,endOfBattle)
    AbilityOnSwitchOut.trigger(ability,battler,endOfBattle)
  end

  def self.triggerAbilityChangeOnBattlerFainting(ability,battler,fainted,battle)
    AbilityChangeOnBattlerFainting.trigger(ability,battler,fainted,battle)
  end

  def self.triggerAbilityOnBattlerFainting(ability,battler,fainted,battle)
    AbilityOnBattlerFainting.trigger(ability,battler,fainted,battle)
  end

  def self.triggerAbilityOnTerrainChange(ability, battler, battle, ability_changed)
    AbilityOnTerrainChange.trigger(ability, battler, battle, ability_changed)
  end

  def self.triggerAbilityOnIntimidated(ability,battler,battle)
    AbilityOnIntimidated.trigger(ability,battler,battle)
  end

  #=============================================================================

  def self.triggerRunFromBattleAbility(ability,battler)
    ret = RunFromBattleAbility.trigger(ability,battler)
    return (ret!=nil) ? ret : false
  end

  def self.triggerRunFromBattleItem(item,battler)
    ret = RunFromBattleItem.trigger(item,battler)
    return (ret!=nil) ? ret : false
  end
end