namespace MattEland.FSharpGeneticAlgorithm.Logic

open System
open MattEland.FSharpGeneticAlgorithm.Logic.Actors
open MattEland.FSharpGeneticAlgorithm.Logic.WorldPos

module World =

  let getRandomPos(maxX:int32, maxY:int32, random: Random): WorldPos =
    let x = random.Next(maxX) + 1
    let y = random.Next(maxY) + 1
    newPos x y

  let generate (maxX:int32, maxY:int32, random: Random): Actor seq =
    let pos = getRandomPos(maxX, maxY, random)
    seq {
      yield createSquirrel pos
    }

  type World (maxX: int32, maxY: int32, random: Random) =
    let actors = generate(maxX, maxY, random)
    member this.Actors = actors
    member this.MaxX = maxX
    member this.MaxY = maxY

    member this.GetCharacterAtCell(x, y) =
      let mutable char = '.'
      for actor in this.Actors do
        if actor.Pos.X = x && actor.Pos.Y = y then
          char <- actor.Character
      char