module Config

open System

open Const

type Debug =
    | DebugOff
    | DebugOn of string // Output directory.

type Parameters = {
    scale: float

    initialAreaOpen: int

    minRbcRadius: float32
    maxRbcRadius: float32

    preFilterSigma: float

    // Ellipse.
    factorNbPick: float

    // Parasites detection.
    darkStainLevel: float
    maxDarkStainRatio: float

    stainArea: float32 // Factor of a RBC area. 0.5 means the half of RBC area.
    stainLevel: float // > 1
    maxStainRatio: float // [0, 1]

    infectionArea: float32 // Factor of a RBC area. 0.5 means the half of RBC area.
    infectionLevel: float // > 1

    standardDeviationMaxRatio: float // The standard deviation of the pixel values of a cell can't be greater than standardDeviationMaxRatio * global standard deviation
    minimumCellArea: float32 // Factor of the nominal RBC area.
}

type Config (param: Parameters) =
    member this.Parameters = param
    member val Debug = DebugOff with get, set
    member val RBCRadius = 30.f with get, set

    member this.RBCMinRadius = this.RBCRadius + param.minRbcRadius * this.RBCRadius
    member this.RBCMaxRadius = this.RBCRadius + param.maxRbcRadius * this.RBCRadius

    member this.RBCArea = PI * this.RBCRadius ** 2.f
    member this.RBCMinArea = param.minimumCellArea * this.RBCArea

    member this.InfectionArea = param.infectionArea * this.RBCArea
    member this.StainArea = param.stainArea * this.RBCArea

    member this.Copy () =
        this.MemberwiseClone() :?> Config