module ParasitemiaUI.About

open System.Windows
open System.Diagnostics

open ParasitemiaUIControls

let showWindow (parent : Window) =
    let win = AboutWindow ()
    win.Owner <- parent

    win.Left <- (if parent.WindowState = WindowState.Maximized then 0. else parent.Left) + parent.ActualWidth / 2. - win.Width / 2.
    win.Top <- (if parent.WindowState = WindowState.Maximized then 0. else parent.Top) + parent.ActualHeight / 2. - win.Height / 2.

    let version = System.Reflection.Assembly.GetEntryAssembly().GetName().Version
    let txtVersion = sprintf " %d.%d.%d" version.Major version.Minor version.Revision
    win.txtAbout.Inlines.FirstInline.ElementEnd.InsertTextInRun txtVersion

    let navigateTo =
        Navigation.RequestNavigateEventHandler (
            fun obj args ->
                Process.Start (ProcessStartInfo (args.Uri.AbsoluteUri, UseShellExecute = true)) |> ignore
                args.Handled <- true
        )

    win.linkHESSO.RequestNavigate.AddHandler navigateTo;
    win.linkCHUV.RequestNavigate.AddHandler navigateTo;
    win.linkGBurri.RequestNavigate.AddHandler navigateTo;

#if DEBUG
    win.txtAbout.Inlines.FirstInline.ElementEnd.InsertTextInRun " - DEBUG"
#endif

    win.butClose.Click.AddHandler (fun obj args -> win.Close ())

    win.ShowDialog () |> ignore