open Plotly.NET
open Plotly.NET.ImageExport

[<EntryPoint>]
let main argv =
    let chromePathEnvOpt =
        System.Environment.GetEnvironmentVariable("GOOGLE_CHROME")
        |> Option.ofObj

    let chromePathOpt: string option =
        if argv.Length >= 1 then
            Some (argv[0])
        else
            chromePathEnvOpt

    match chromePathOpt with
    | Some chromePath ->
        PuppeteerSharpRendererOptions.localBrowserExecutablePath <- Some chromePath

        let chart =
            Chart.Point (
                x = [ 0 .. 10 ],
                y = [ 0 .. 10 ]
            )
            |> Chart.withTitle "Hello world!"

        try
            do chart |> Chart.savePNG("test")
        with e ->
            eprintfn "Error saving PNG: %s" e.Message
    | None ->
        eprintfn "Usage: <chrome-path> or define GOOLE_CHROME with path to binary"

    0