module FundLab.Api.Program

open System
open Giraffe
open Microsoft.AspNetCore.Builder
open Microsoft.Extensions.DependencyInjection

let private requiredEnvironment name =
    match Environment.GetEnvironmentVariable(name) with
    | value when not (String.IsNullOrWhiteSpace value) -> value
    | _ -> failwithf "%s must be configured" name

[<EntryPoint>]
let main argv =
    let builder = WebApplication.CreateBuilder(argv)
    builder.Services.AddGiraffe() |> ignore
    let repository = FundRepository(requiredEnvironment "FUND_LAB_DATABASE_URL")
    repository.EnsureSchema()
    let collector = ProcessMarketDataCollector.FromEnvironment() :> IMarketDataCollector
    let marketData = MarketDataService(repository, collector) :> IMarketDataService

    let app = builder.Build()
    app.UseGiraffe(App.createApplicationWithMarketData repository marketData)
    app.Run()
    0