@page "/cocktails/{CocktailId}"
@using CocktailWeb.Data
@using Microsoft.AspNetCore.Components.Sections
@using Microsoft.EntityFrameworkCore
@inject IDbContextFactory<DbDataContext> DataContextFactory;


<SectionContent SectionId="TopRow.Title">
    <a class="btn btn-primary" href="/cocktails">
        <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-arrow-left-circle" viewBox="0 0 16 16">
            <path fill-rule="evenodd" d="M1 8a7 7 0 1 0 14 0A7 7 0 0 0 1 8m15 0A8 8 0 1 1 0 8a8 8 0 0 1 16 0m-4.5-.5a.5.5 0 0 1 0 1H5.707l2.147 2.146a.5.5 0 0 1-.708.708l-3-3a.5.5 0 0 1 0-.708l3-3a.5.5 0 1 1 .708.708L5.707 7.5z" />
        </svg>
        Zurück
    </a>
</SectionContent>

@if (SelectedCocktail == null)
{
    <h3>Cocktail konnte nicht gefunden werden</h3>

}
else
{
    <div class="d-flex gap-3">
        <div class="card mb-3 w-100">
            <div class="row g-0">
                <div class="col-md-8">
                    <div class="card-body">
                        <h5 class="card-title">Einstellungen</h5>
                        <p class="card-text">
                            <h6>
                                Stärke
                            </h6>
                            <div class="btn-group" role="group">
                                <button @onclick="() => SetIntensity(-60)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -60 ? "" : "outline-")success"><i class="bi bi-peace fs-5"></i></button>
                                <button @onclick="() => SetIntensity(-40)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -40 ? "" : "outline-")success"><i class="bi bi-dash fs-5"></i></button>
                                <button @onclick="() => SetIntensity(-20)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity <= -20 ? "" : "outline-")success"><i class="bi bi-dash"></i></button>
                                <button @onclick="() => SetIntensity(0)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity == 0 ? "" : "")warning"><i class="bi bi-circle"></i></button>
                                <button @onclick="() => SetIntensity(20)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 20 ? "" : "outline-")danger"><i class="bi bi-plus"></i></button>
                                <button @onclick="() => SetIntensity(40)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 40 ? "" : "outline-")danger"><i class="bi bi-plus fs-5"></i></button>
                                <button @onclick="() => SetIntensity(60)" class="btn @(SelectedCocktail.IsAlcoholic ? "" : "disabled") btn-@(DrinkIntensity >= 60 ? "" : "outline-")danger"><i class="bi bi-radioactive fs-5"></i></button>
                            </div>
                        </p>

                        @if (ErrorMessage != null)
                        {
                            <div class="alert alert-danger" role="alert">
                                @ErrorMessage
                            </div>
                        }
                        @if(CocktailCode != null)
                        {
                            <div class="alert alert-dark" style="white-space: pre-line" role="alert">
                                @CocktailCode
                            </div>
                        }                        
                        <button class="btn btn-primary" @onclick=CreateCocktailCode>Lets goooooo!</button>
                    </div>
                </div>
            </div>
        </div>
        <div class="card mb-3 w-100">
            <div class="row g-0">
                <div class="col-md-4">
                    <img src="@SelectedCocktail.ImageURL" class="img-fluid rounded-start" alt="...">
                </div>
                <div class="col-md-8">
                    <div class="card-body">
                        <h5 class="card-title">@SelectedCocktail.Name</h5>
                        <p class="card-text">
                            <h6>Rezept:</h6>
                            <table class="table-primary table-borderless w-100">
                                @{
                                    int i = 1;
                                }
                                @foreach (var Zutat in SelectedCocktail.Cocktailflaschen.OrderBy(f => f.Reihenfolge))
                                {
                                    <tr class="@(ZutatInMaschine(Zutat) ? "" : "text-danger")">
                                        <td>@i.</td>
                                        <td>@Zutat.Flasche?.Name</td>
                                        <td class="text-end">@Zutat.Menge ml</td>
                                        @if (DrinkIntensity != 0)
                                        {
                                            <td>=></td>
                                            <td class="text-end">@ModifiedCocktail?.Cocktailflaschen.First(cf => cf.FlascheID == Zutat.FlascheID).Menge ml</td>
                                        }
                                        <td class="text-end">@(ZutatInMaschine(Zutat) ? "" : "fehlt")</td>
                                    </tr>
                                    i++;
                                }
                                <tr>
                                    <td></td>
                                    <td>Gesamt</td>
                                    <td class="text-end">@SelectedCocktail.Cocktailflaschen.Sum(cf => cf.Menge) ml</td>
                                    @if (DrinkIntensity != 0)
                                    {
                                        <td>=></td>
                                        <td class="text-end">@ModifiedCocktail?.Cocktailflaschen.Sum(cf => cf.Menge) ml</td>
                                    }
                                    <td class="text-end"></td>
                                </tr>
                            </table>
                        </p>
                    </div>
                </div>
            </div>
        </div>
    </div>
}


@code {
    [Parameter]
    public string? CocktailId { get; set; }
    private DbDataContext? _DataContext;
    private Cocktail? SelectedCocktail;
    private Cocktail? ModifiedCocktail;
    private List<Filler>? MaschinenFiller;
    //private List<CocktailFlasche> ModifiedCocktailRecipe = new();

    private int DrinkIntensity = 0;

    private string? ErrorMessage;
    private string? CocktailCode;

    protected override async Task OnInitializedAsync()
    {
        int id = Convert.ToInt32(CocktailId);

        //Staerke_Off.Add();

        _DataContext ??= await DataContextFactory.CreateDbContextAsync();
        if (_DataContext != null)
        {
            SelectedCocktail = _DataContext.Cocktails.Include(c => c.Cocktailflaschen).ThenInclude(cf => cf.Flasche).Single(c => c.Id == id);
            ModifiedCocktail = _DataContext.Cocktails.Include(c => c.Cocktailflaschen).ThenInclude(cf => cf.Flasche).AsNoTracking().Single(c => c.Id == id);
            MaschinenFiller = _DataContext.Fillers.Include(f => f.Flasche).OrderBy(f => f.Pos).ToList();
        }

        //  if (SelectedCocktail != null)
        //  {
        //      foreach (CocktailFlasche cf in SelectedCocktail.Cocktailflaschen)
        //      {
        //          ModifiedCocktailRecipe.Add(new CocktailFlasche() {
        //              Flasche = cf.Flasche,
        //              Menge = cf.Menge
        //          });
        //      }
        //  }

    }

    private bool ZutatInMaschine(CocktailFlasche zutat)
    {
        return (MaschinenFiller != null && MaschinenFiller.Exists(f => f.Flasche == zutat.Flasche));
    }

    /// <summary>
    /// Prüft, ob der Cocktail gesendet werden kann
    /// </summary>
    /// <returns></returns>
    private bool IsValid()
    {
        ErrorMessage = null;
        if (ModifiedCocktail == null || MaschinenFiller == null)
        {
            ErrorMessage = "Cocktail nicht gefunden.";
            return false;
        }
        if (ModifiedCocktail.Cocktailflaschen.Count == 0)
        {
            ErrorMessage = "Der Cocktail enthält keine Zutaten";
            return false;
        }
        if (!ModifiedCocktail.Cocktailflaschen.All(cf => MaschinenFiller.Any(mf => mf.Flasche?.Id == cf.FlascheID)))
        {
            ErrorMessage = "Es sind nicht alle Zutaten in der Cocktailmaschine geladen!";
            return false;
        }
        return true;
    }


    private void CreateCocktailCode()
    {
        CocktailCode = null;
        if (!IsValid() || ModifiedCocktail == null || MaschinenFiller == null) return;

        List<string> lines = new();
        lines.Add("START");

        @foreach (CocktailFlasche Zutat in ModifiedCocktail.Cocktailflaschen.OrderBy(f => f.Reihenfolge))
        {
            string line = "";
            Filler Filler = MaschinenFiller.First(mf => mf.Flasche?.Id == Zutat.FlascheID);
            if (Filler.Type == Filler.FillerType.Pump)
            {
                line = $"P{Filler.Pos}={Zutat.Menge}";
            } else if (Filler.Type == Filler.FillerType.Pourer)
            {
                line = $"F{Filler.Pos}={Zutat.Menge}";
            }
            lines.Add(line);
        }

    lines.Add("ZIEL");
        CocktailCode =  String.Join("\r\n", lines.ToArray());
    }

    /// <summary>
    /// Setzt die Alkoholintensität
    /// </summary>
    /// <param name="intensity">Zugabe/Abzug von Alkohol in Prozent</param>
    private void SetIntensity(int intensity)
    {
        DrinkIntensity = intensity;
        if (ModifiedCocktail != null && SelectedCocktail != null)
        {

            foreach (CocktailFlasche cf in ModifiedCocktail.Cocktailflaschen)
            {
                int OriginalMenge = SelectedCocktail.Cocktailflaschen.First(scf => scf.FlascheID == cf.FlascheID).Menge;
                if (cf.Flasche.Alkoholisch)
                {
                    cf.Menge = OriginalMenge + (OriginalMenge * intensity / 100);
                }
                else
                {
                    cf.Menge = OriginalMenge - (OriginalMenge * intensity / 100);
                }
            }

            // Durch das anteilige Umrechnen ändert sich die Gesamtmenge, daher passen wir die Mengen nochmal an
            int AktGesMenge = ModifiedCocktail.Cocktailflaschen.Sum(cf => cf.Menge);
            int OrigMenge = SelectedCocktail.Cocktailflaschen.Sum(cf => cf.Menge);
            foreach (CocktailFlasche cf in ModifiedCocktail.Cocktailflaschen)
            {
                cf.Menge = (int)((float)cf.Menge / AktGesMenge * OrigMenge);
            }

        }


    }

}