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module Battle.Struct.Attributes exposing
   (
      Type,
      Category(..),
      get_constitution,
      get_dexterity,
      get_intelligence,
      get_mind,
      get_speed,
      get_strength,
      get_effective_constitution,
      get_effective_dexterity,
      get_effective_intelligence,
      get_effective_mind,
      get_effective_speed,
      get_effective_strength,
      mod_constitution,
      mod_dexterity,
      mod_intelligence,
      mod_mind,
      mod_speed,
      mod_strength,
      mod,
      get,
      new,
      decode_category,
      encode_category,
      default
   )

--------------------------------------------------------------------------------
-- TYPES -----------------------------------------------------------------------
--------------------------------------------------------------------------------
type Category =
   Constitution
   | Dexterity
   | Intelligence
   | Mind
   | Speed
   | Strength

type alias Type =
   {
      constitution : Int,
      dexterity : Int,
      intelligence : Int,
      mind : Int,
      speed : Int,
      strength : Int
   }

--------------------------------------------------------------------------------
-- LOCAL -----------------------------------------------------------------------
--------------------------------------------------------------------------------
get_within_range : Int -> Int -> Int -> Int
get_within_range vmin vmax v = (min vmax (max vmin v))

get_within_att_range : Int -> Int
get_within_att_range v = (get_within_range 0 100 v)

--------------------------------------------------------------------------------
-- EXPORTED --------------------------------------------------------------------
--------------------------------------------------------------------------------
get_constitution : Type -> Int
get_constitution t = t.constitution

get_dexterity : Type -> Int
get_dexterity t = t.dexterity

get_intelligence : Type -> Int
get_intelligence t = t.intelligence

get_mind : Type -> Int
get_mind t = t.mind

get_speed : Type -> Int
get_speed t = t.speed

get_strength : Type -> Int
get_strength t = t.strength

get_effective_constitution : Type -> Int
get_effective_constitution t = (get_within_att_range t.constitution)

get_effective_dexterity : Type -> Int
get_effective_dexterity t = (get_within_att_range t.dexterity)

get_effective_intelligence : Type -> Int
get_effective_intelligence t = (get_within_att_range t.intelligence)

get_effective_mind : Type -> Int
get_effective_mind t = (get_within_att_range t.mind)

get_effective_speed : Type -> Int
get_effective_speed t = (get_within_att_range t.speed)

get_effective_strength : Type -> Int
get_effective_strength t = (get_within_att_range t.strength)

mod_constitution : Int -> Type -> Type
mod_constitution i t =
   {t |
      constitution = (i + t.constitution)
   }

mod_dexterity : Int -> Type -> Type
mod_dexterity i t =
   {t |
      dexterity = (i + t.dexterity)
   }

mod_intelligence : Int -> Type -> Type
mod_intelligence i t =
   {t |
      intelligence = (i + t.intelligence)
   }

mod_mind : Int -> Type -> Type
mod_mind i t =
   {t |
      mind = (i + t.mind)
   }

mod_speed : Int -> Type -> Type
mod_speed i t =
   {t |
      speed = (i + t.speed)
   }

mod_strength : Int -> Type -> Type
mod_strength i t =
   {t |
      strength = (i + t.strength)
   }

mod : Category -> Int -> Type -> Type
mod cat i t =
   case cat of
      Constitution -> (mod_constitution i t)
      Dexterity -> (mod_dexterity i t)
      Intelligence -> (mod_intelligence i t)
      Mind -> (mod_mind i t)
      Speed -> (mod_speed i t)
      Strength -> (mod_strength i t)

get : Category -> Type -> Int
get cat t =
   case cat of
      Constitution -> (get_constitution t)
      Dexterity -> (get_dexterity t)
      Intelligence -> (get_intelligence t)
      Mind -> (get_mind t)
      Speed -> (get_speed t)
      Strength -> (get_strength t)

new : (
      Int -> -- constitution
      Int -> -- dexterity
      Int -> -- intelligence
      Int -> -- mind
      Int -> -- speed
      Int -> -- strength
      Type
   )
new con dex int min spe str =
   {
      constitution = con,
      dexterity = dex,
      intelligence = int,
      mind = min,
      speed = spe,
      strength = str
   }

default : Type
default =
   {
      constitution = 50,
      dexterity = 50,
      intelligence = 50,
      mind = 50,
      speed = 50,
      strength = 50
   }

decode_category : String -> Category
decode_category str =
   case str of
      "con" -> Constitution
      "dex" -> Dexterity
      "int" -> Intelligence
      "min" -> Mind
      "spe" -> Speed
      _ -> Strength

encode_category : Category -> String
encode_category cat =
   case cat of
      Constitution -> "con"
      Dexterity -> "dex"
      Intelligence -> "int"
      Mind -> "min"
      Speed -> "spe"
      Strength -> "str"