@using DigitalData.Core.Contracts.Application;
@using EnvelopeGenerator.Application.DTOs;
@model IServiceResult<EnvelopeDto>;
@{
    ViewData["Title"] = "Dokument unterschreiben";
}
@if (Model.IsSuccess && Model.Data is not null)
{
    var envelope = Model.Data;
    var document = envelope.Documents?.FirstOrDefault();
    var receiver = envelope.Receivers?.FirstOrDefault();
    var receiverName = receiver?.Name ?? string.Empty;
    var pages = document?.Elements?.Select(e => e.Page) ?? Array.Empty<int>();
    var stPageIndexes = string.Join(pages.Count() > 1 ? ", " : "", pages.Take(pages.Count() - 1))
                  + (pages.Count() > 1 ? " und " : "") + pages.LastOrDefault();

<nav class="navbar navbar-light bg-light">
    <div class="container-fluid">
        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarToggleExternalContent" aria-controls="navbarToggleExternalContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
            <div class="navbar-brand me-auto ms-5 envelope-message">@($"Hallo {receiverName}, {@envelope.Message}")</div>
        <div class="col-1  p-0 m-0 me-3 d-flex">
            <img src="~/img/digital_data.svg" alt="...">
        </div>
    </div>
</nav>
<div class="collapse show" id="navbarToggleExternalContent" data-bs-theme="light">
    <div class="bg-light p-1">
        <div class="card sender-card mb-3">
            <div class="row g-0">
                <div class="col-1  p-0 m-0 ps-4 mx-auto">
                    <img src="~/img/default-user.svg" class="img-fluid p-0 m-0" alt="...">
                </div>
                <div class="col p-0 m-0">
                    <div class="card-body p-0 m-0">
                        <h5 class="card-title p-0 m-0">@($"{envelope.Title}")</h5>
                        <p class="card-text p-0 m-0">@($"Sie haben {(pages.Count())} Briefe zu unterschreiben. Bitte prüfen Sie die Seiten {stPageIndexes}.")</p>
                        <p class="card-text p-0 m-0"><small class="text-body-secondary">Erstellt am @envelope.AddedWhen</small></p>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
}
<script>
    const collapseNav = () => {
        document.addEventListener('click', function (event) {
            var navbarToggle = document.getElementById('navbarToggleExternalContent');
            var navbarButton = document.querySelector('[data-bs-target="#navbarToggleExternalContent"]');
            var isCollapsed = new bootstrap.Collapse(navbarToggle)._isTransitioning;

            if (!navbarToggle.contains(event.target) && !navbarButton.contains(event.target) && !isCollapsed) {
                new bootstrap.Collapse(navbarToggle).hide();
            }
        });
    }
</script>
@if (ViewData["DocumentBytes"] is byte[] documentBytes)
{
    var envelopeResponse = ViewData["EnvelopeResponse"];
    var settings = new Newtonsoft.Json.JsonSerializerSettings
                {
                    ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver()
                };
    var envelopeResponseJson = Newtonsoft.Json.JsonConvert.SerializeObject(envelopeResponse, settings);

    var documentBase64String = Convert.ToBase64String(documentBytes);

    <script>
        var base64String = "@Html.Raw(documentBase64String)";
        var byteCharacters = atob(base64String);
        var byteNumbers = new Array(byteCharacters.length);
        for (var i = 0; i < byteCharacters.length; i++) {
            byteNumbers[i] = byteCharacters.charCodeAt(i);
        }
        var byteArray = new Uint8Array(byteNumbers);
        var documentArrayBuffer = byteArray.buffer;

        var envelopeResponse = @Html.Raw(envelopeResponseJson);
        document.addEventListener("DOMContentLoaded", async () => {
            const app = new App("#app", "@ViewData["EnvelopeKey"]", envelopeResponse, documentArrayBuffer);
            await app.init();
        })
    </script>
}

<div id='app' style='background: gray; width: 100vw; height: 100vh; margin: 0 auto;'></div>