@page "{id=A}"
@model HaLive.Pages.ForschungModel
@inject IReaderService readerservice;
@inject ILibrary lib;
@functions{
    string setAct(string s) {
        if (Model.id.ToString().ToLower() == s.ToLower())
            return "is-active";
        else
            return "";
    }
}
@{
    // Acquire data
    ViewData["Title"] = "Forschungsbibliographie";
    var id = Model.id.ToUpper();
    var comments = Model.SelectComments();
    var availableletters = lib.CommentsByCategoryLetter["forschung"].OrderBy(x => x.Key);


    // Parsing Rules
    List<(Func<Tag, bool>, Action<StringBuilder, Tag>)> OTag_Funcs = new List<(Func<Tag, bool>, Action<StringBuilder, Tag>)>() { 
            ( x => x.Name == "lemma", (sb, tag) => sb.Append(HTMLHelpers.CreateElement("div", "lemma"))),
            ( x => x.Name == "title", (sb, tag) => sb.Append(HTMLHelpers.CreateElement("div", "title"))),
            ( x => x.Name == "titel", (sb, tag) => sb.Append(HTMLHelpers.CreateElement("div", "title")))
        };
    List<(Func<Tag, bool>, Action<StringBuilder, Tag>)> CTag_Funcs = new List<(Func<Tag, bool>, Action<StringBuilder, Tag>)>() { 
            ( x => x.Name == "lemma", (sb, tag) => sb.Append(HTMLHelpers.CreateEndElement("div"))),
            ( x => x.Name == "title", (sb, tag) => sb.Append(HTMLHelpers.CreateEndElement("div"))),
            ( x => x.Name == "titel", (sb, tag) => sb.Append(HTMLHelpers.CreateEndElement("div")))
        };
    List<(Func<Tag, bool>, Action<StringBuilder, Tag>)> STag_Funcs = new List<(Func<Tag, bool>, Action<StringBuilder, Tag>)>() { 
            ( x => x.Name == "line", (sb, tag) => sb.Append(HTMLHelpers.CreateElement("br")) )
        };
    List<(Func<Text, bool>, Action<StringBuilder, Text>)> Text_Funcs = new List<(Func<Text, bool>, Action<StringBuilder, Text>)>() {
            ( x => true, ( sb, txt ) => sb.Append(txt.Value) )
        };
    List<(Func<Whitespace, bool>, Action<StringBuilder, Whitespace>)> Whitespace_Funcs = new List<(Func<Whitespace, bool>, Action<StringBuilder, Whitespace>)>() {
            ( x => true, ( sb, txt ) => sb.Append(txt.Value) )
        };

    string handleComment(Comment comm) {
        StringBuilder sb = new StringBuilder();
        var rd = readerservice.RequestStringReader(comm.Lemma);
        new StandardSubscriber(rd, sb, OTag_Funcs, STag_Funcs, CTag_Funcs, Text_Funcs, Whitespace_Funcs);
        sb.Append(HTMLHelpers.CreateElement("div", "lemma", comm.Index));
        new LinkBuilder(lib, rd, sb);
        rd.Read();
        var backlinks = lib.Backlinks.ContainsKey(comm.Index) ? lib.Backlinks[comm.Index].OrderBy(x => x.Letter) : null;
        if (backlinks != null) {
           sb.Append(HTMLHelpers.CreateElement("div", "backlinks"));
            var arrow = false;
            foreach(var blk in backlinks) {
                var let = lib.Metas.ContainsKey(blk.Letter) ? lib.Metas[blk.Letter] : null;
                if (let != null) {
                    if (!arrow) {
                        sb.Append("&emsp;&rarr;&nbsp;");
                        sb.Append("HKB&nbsp;");
                        arrow = true;
                    }
                    sb.Append(HTMLHelpers.CreateElement("a", "backlink", "/Briefe/" + let.Autopsic + "#" + blk.Page + "-" + blk.Line));
                    @* sb.Append(" "); *@
                    var linkstring = "";
                    var ZHstring = "";
                    var pglnstring= "";
                    @* linkstring += "HKB&nbsp;"; *@
                    linkstring += let.Autopsic;
                    pglnstring += "&nbsp;(&#8239;" + blk.Page + "/" + blk.Line + "&#8239;)";
                    linkstring += pglnstring;
                    @* if (let.ZH != null) {
                        ZHstring += HTMLHelpers.CreateElement("span", "autopsic", "");
                        ZHstring += "ZH&nbsp;" + HTMLHelpers.ToRoman(Int32.Parse(let.ZH.Volume)) ;
                        ZHstring += HTMLHelpers.CreateEndElement("span");
                        linkstring += "&nbsp;" + ZHstring;
                    } *@
                    sb.Append(linkstring);
                    @* sb.Append("ZH" + "&nbsp;" +
                        HTMLHelpers.ToRoman(Int32.Parse(let.Volume)) +
                        "&nbsp;" +
                        blk.Page +
                        "/" + 
                        blk.Line + 
                        "&nbsp;(" +
                        let.Autopsic +
                        ")"
                        ); *@
                    if (blk != backlinks.Last())
                        sb.Append(",&emsp;");
                    sb.Append(HTMLHelpers.CreateEndElement("a"));
                }
            }
            sb.Append(HTMLHelpers.CreateEndElement("div"));
        }
        sb.Append(HTMLHelpers.CreateEndElement("div"));
        rd = readerservice.RequestStringReader(comm.Entry);
        new StandardSubscriber(rd, sb, OTag_Funcs, STag_Funcs, CTag_Funcs, Text_Funcs, Whitespace_Funcs);
        new LinkBuilder(lib, rd, sb);
        rd.Read();
        return sb.ToString();
    }
}

<div class="mainhead row"><!-- + sticky-top if sticky -->
    <!--Sticky grey space on top of header -->
    <div class="col">
        <div class="widehead">
            <div class="flexcol">
                <div style="align-self: flex-end" class="printbutton">
                    <a class="" href="/pdf/HKB_Forschungsbibliographie.pdf">
                        PDF
                    </a>
                </div>
                <div class="flexrow" style="margin-bottom:-30px; align-items: last baseline;">
                    <div class="heading">
                        @ViewData["Title"] 
                    </div>
                    <form>
                        <div class="form-inline hformbox">
                            <input type="search" class="form-control hform"  asp-for="search" placeholder="Suchbegriff" />
                            <input type="submit" class="form-control hform" value="Suche in der Bibliographie"  />
                        </div>
                    </form>
                </div>
                <div class="alphabet">
                 
                @if (String.IsNullOrWhiteSpace(Model.search))
                {
                    <br/>
                    @foreach (var entry in availableletters)
                    {
                        <span><a class="invlink @setAct(entry.Key)" href="/Supplementa/Forschung/@entry.Key">@entry.Key</a> &emsp;</span>
                    }
                    <span class="caps">&emsp;<a class="@setAct("editionen")" href="/Supplementa/Forschung/editionen">Editionen</a></span>
                }
                else 
                {
                    <br/>
                    <span>Einträge, die &#x00BB;@Model.search&#x00AB; enthalten. <a href="/Supplementa/Forschung/A" class="hlink">&emsp;&emsp;&#x2190;&nbsp;Zurück</a></span>
                    @if (Model.maxSearch)
                    {
                        <br/><br/>
                        <span class="searchwarning">Zu viele Treffer. Die Anzeige wurde auf die ersten 150 Suchergebnisse beschränkt.</span>
                    }
                }
            </div>
            </div>
                
        </div>
    </div>
</div>

<div class="row no-gutters">
    <div class="col">
        <div class="registerbox research">
            
            <div class="text">    
            @if(comments == null || comments.Count() == 0)
            {
                @if(!String.IsNullOrWhiteSpace(Model.search))
                {
                    <span class="searchwarning">Keine Einträge gefunden.</span>
                }
            }
            @foreach (var comm in comments)
            {
                <div class="comment hangingindent">
                    @Html.Raw(handleComment(comm))
                @if(comm.Kommentare != null)
                {
                    @foreach (var subcomm in comm.Kommentare.OrderBy(x => x.Value.Order))
                    {
                    <div class="subsection hangingindent">
                        @Html.Raw(handleComment(subcomm.Value))
                    </div>
                    }
                }
                </div>
            }
            </div>
        </div>
    </div>
</div>


@section Scripts {
    <script>
        // The function actually applying the offset
        function offsetAnchor() {
        if (location.hash.length !== 0) {
            window.scrollTo(window.scrollX, window.scrollY - 240);
        }
        }

        // Captures click events of all <a> elements with href starting with #
        $(document).on('click', 'a[href^="#"]', function(event) {
        // Click events are captured before hashchanges. Timeout
        // causes offsetAnchor to be called after the page jump.
        window.setTimeout(function() {
            offsetAnchor();
        }, 0);
        });

        // Set the offset when entering page with hash present in the url
        window.setTimeout(offsetAnchor, 0);
        $( "#" + window.location.hash.substr(1) ).prepend("<div class=\"selected\">☛</div> ");
    </script>
}