@using ImageBoardServerApp.Auth
@using ImageBoardServerApp.Data.Repository
@using ImageBoardServerApp.Util
@using System.Text.RegularExpressions
@using System.ComponentModel.DataAnnotations
@inject AuthenticationStateProvider authStateProvider
@inject NavigationManager navigationManager;

<div class="comment">
    <div class="threadHeader">
        <span>[</span>
        <a class="toggleOpened" onclick="@ToggleOpened">@toggleText</a>
        <span>]</span>
        <span class="name">@comment.Username</span>
        @if (@role != "User" && !comment.shouldAnon)
        {
            <span class="@role">##@role</span>
        }
        <span>&nbsp;</span>
        <span class="date">@getTimeFromUnix(comment.CreatedAt)</span>
        <span class="post-id">No.@comment.GET</span>
    </div>
    @if (opened)
    {
        <div class="threadContent">
            @if (image != null)
            {
                string isActiveClass = isActive ? "active" : "";
                <div class="threadImage">
                    <img @onclick="() => isActive = !isActive" class="@isActiveClass" src="@($"{@image.ImageLocation}?size=258x258")" alt="No Image found"/>
                </div>
            }
            <div class="threadTextContainer">
                @for (var y = 0; y < comment.Content.Split("\n").Length; y++)
                {
                    var s = comment.Content.Split("\n")[y];
                    var className = "";

                    @if (s.StartsWith(">") && !Regex.IsMatch(s, "^>{2,}"))
                    {
                        className = "greenText";
                    }
                    <p class='threadText @className'>
                        @for (var x = 0; x < s.Split(" ").Length; x++)
                        {
                            var line = s.Split(" ")[x];
                            @if (@Regex.IsMatch(line, ">>\\d+"))
                            {
                                var className2 = "";
                                var x1 = x;
                                var y1 = y;
                                var commentNumber = int.Parse(Regex.Match(s, ">>(\\d+)").Value.Substring(2));
                                className2 = "redText";
                                <a
                                    @onmousedown="() => onHover(x1, y1, commentNumber)"
                                    @onmouseup="() => onHover(x1, y1, -1)"
                                    class="threadMsg @className2">
                                    @line
                                </a>
                                @if (hoveringOver.p != -1 && hoveringOver == (x, y, commentNumber) && (hoverComment.ContainsKey(commentNumber) || hoverPost.ContainsKey(commentNumber)))
                                {
                                    @if (isComment[commentNumber])
                                    {
                                        <div>
                                            <CommentHover comment="hoverComment[commentNumber]"/>
                                        </div>
                                    }
                                    else
                                    {
                                        <div>
                                            <Post post="hoverPost[commentNumber]" showOpenThread="false"/>
                                        </div>
                                    }
                                }
                            }
                            else
                            {
                                @if (line.StartsWith("https://") || line.StartsWith("http://"))
                                {
                                    <a href="@line">@line</a>
                                }
                                else
                                {
                                    @line
                                }
                                @(" ")
                            }
                        }
                    </p>
                }
            </div>
        </div>
        <div class="threadFooter">
            <span>[</span>
            <a class="repButton" href="@reportURL" target="_blank">Report</a>
            @if (canDel)
            {
                <button class="delButton" onclick="@deletePost">Delete</button>
            }
            <span>]</span>
        </div>
    }
</div>


@code {
    private string reportURL { get; set; }

    private bool isActive { get; set; } = false;

    private (int x, int y, int p) hoveringOver { get; set; } = (-1, -1, -1);
    private Dictionary<int, bool> isComment { get; set; }
    private Dictionary<int, CommentData> hoverComment { get; set; }
    private Dictionary<int, PostData> hoverPost { get; set; }
    private Dictionary<int, int> nrToGet { get; set; }

    private void onHover(int x, int y, int p)
    {
        if (hoverComment.ContainsKey(p) || hoverPost.ContainsKey(p))
        {
            hoveringOver = (x, y, -1);
        }
        hoveringOver = (x, y, p);
    }

    public bool canDel { get; set; } = false;

    private async Task deletePost()
    {
        var cauthStateProvder = (CustomAuthenticationStateProvider)authStateProvider;
        var user = await cauthStateProvder.GetAuthenticationStateAsync();
        var usr = user.User;
        UserData foundusr = await UsersRepository.getUserByEmailRawAsync(usr.Identity.Name);
        if (foundusr.Role != "User" || comment.UserID == foundusr.UserID)
        {
            await TheManager.deleteComment(comment);
            navigationManager.NavigateTo($"/sys/click/red/_{comment.Board}_thread_{comment.PostID}");
        }
    }


    private static DateTime getTimeFromUnix(double javaTimeStamp)
    {
        var dateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
        dateTime = dateTime.AddMilliseconds(javaTimeStamp).ToLocalTime();
        return dateTime;
    }

    private ImageData image;
    private string role;

    protected override async Task OnParametersSetAsync()
    {
        await base.OnParametersSetAsync();

        hoverComment = new Dictionary<int, CommentData>();
        hoverPost = new Dictionary<int, PostData>();
        nrToGet = new Dictionary<int, int>();
        isComment = new Dictionary<int, bool>();

        foreach (string s in comment.Content.Split("\n"))
        {
            @foreach (string line in s.Split(" "))
            {
                @if (Regex.IsMatch(line, ">>\\d+"))
                {
                    var commentNumber = int.Parse(Regex.Match(s, ">>(\\d+)").Value.Substring(2));
                    string board = comment.Board;
                    if (await TheManager.isGETComment(board, commentNumber))
                    {
                        CommentData c = await CommentsRepository.getCommentByGETAsync(board, commentNumber);
                        if (c == null)
                            continue;
                        hoverComment[commentNumber] = c;
                        nrToGet[commentNumber] = c.GET;
                        isComment[commentNumber] = true;
                    }
                    else
                    {
                        PostData p = await PostsRepository.getPostByGETAsync(board, commentNumber);
                        if (p == null)
                            continue;
                        hoverPost[commentNumber] = p;
                        nrToGet[commentNumber] = p.GET;
                        isComment[commentNumber] = false;
                    }
                }
            }
        }
        reportURL = $"/sys/report/comment/{comment.Board}/{comment.CommentID}";
        var cauthStateProvder = (CustomAuthenticationStateProvider)authStateProvider;
        var user = await cauthStateProvder.GetAuthenticationStateAsync();
        var usr = user.User;
        UserData foundusr = await UsersRepository.getUserByEmailRawAsync(usr.Identity.Name);
        if (foundusr != null && (foundusr.Role != "User" || comment.UserID == foundusr.UserID))
        {
            canDel = true;
        }
        else
        {
            canDel = false;
        }
    }


    protected override async Task OnInitializedAsync()
    {
        int i;
        try
        {
            i = (int)comment.ImageID;
        }
        catch (InvalidOperationException ioe)
        {
            i = -1;
        }
        if (i != null)
        {
            image = await ImagesRepository.getImageByIdAsync(i);
        }

        var cmt = await CommentsRepository.getCommentByIdAsync(comment.CommentID);
        role = cmt.User.Role;
    }

    private bool opened = true;

    private string toggleText = "-";

    private void ToggleOpened()
    {
        opened = !opened;
        toggleText = opened ? "-" : "+";
    }

    private string toggleText2 = "-";
    private bool showHover = false;

    private void ToggleHovered(MouseEventArgs e, string id)
    {
        showHover = !showHover;
        toggleText2 = showHover ? "-" : "+";
    }

    [Parameter]
    [Required]
    public CommentData comment { get; set; }

}