@using Radzen
@using System.ComponentModel.DataAnnotations
@using System.IO.Pipelines
@using System.Net.Mime
@using System.Reflection
@using System.Runtime.CompilerServices
@using ImageBoardServerApp.Data
@using ImageBoardServerApp.Data.Repository

@inject NavigationManager NavigationManager
@inject IWebHostEnvironment env

<div>
    <span>[</span>
    <a class="toggleOpened" onclick="@ToggleOpened">@toggleText</a>
    <span>]</span>
</div>
@if (opened)
{
    <div class="pd centered">
        <span>Post to /@board.Tag/ - @board.Topic</span>

        <div class="centered formContent">
            <div>
                <div class="pd centered marg">
                    @if (image != null)
                    {
                        <img class="formImage" src="@($"data:image/png;base64,{Convert.ToBase64String(image)}")" alt="No Image"/>
                    }
                </div>
                <InputFile OnChange="@SingleUpload" type="file" accept="image/*"/>
            </div>

            <div>
                <div class="pd centered marg"> 
                    <RadzenTextBox Placeholder="Username (Anonymous)" MaxLength="15" Change=@(args => OnChange(args, "username")) Class="w-100"/>
                </div>
        
                <div class="pd centered marg"> 
                    <RadzenTextBox Placeholder="Title" MaxLength="20" Change=@(args => OnChange(args, "title")) Class="w-100"/>
                </div>
        
                <div class="pd centered marg"> 
                    <RadzenTextArea Placeholder="Content..." @bind-Value="@postContent" Cols="30" Rows="6" Change=@(args => OnChange(args, "Content")) Class="w-100"/>
                </div>
            </div>
            
        </div>
    
        <div class="pd centered marg">
            <FormInfo/>
            <RadzenButton class="pd" Click="@onPostClick" Text="Post!"></RadzenButton>
        </div>
    
    </div>
}


@code {

    private bool opened = false;

    private string toggleText = "Open Post Formula";

    private void ToggleOpened()
    {
        opened = !opened;
        toggleText = opened ? "Close Post Formula" : "Open Post Formula";
    }

    [Parameter]
    [Required]
    public BoardData board { get; set; } = new BoardData();

    string postUsername = "Anonymous";
    string postTitle  = "";
    string postContent = "";

    void OnChange(string value, string name)
    {
        switch (name)
        {
            case "title":
                postTitle = value;
                break;
            case "username":
                postUsername = value;
                break;
            case "content":
                postContent = value;
                break;
            default:
                Console.WriteLine("not found.");
                break;
        }
        Console.WriteLine($"Smth changed!: {value}");
    }
    
    private IBrowserFile selectedFile;
    
    
    private async Task SingleUpload(InputFileChangeEventArgs e)
    {
        /*
        MemoryStream ms = new MemoryStream();
        await e.File.OpenReadStream().CopyToAsync(ms);
        var bytes = ms.ToArray();
        image = bytes;
        Console.WriteLine("File has been selected!");
        ms.Close(); */
        selectedFile = e.GetMultipleFiles()[0];
        this.StateHasChanged();
    }

    private Byte[] image;

    private async Task onPostClick()
    {
        var userToCreate = new UserData
        {
            Ipv4Address = "192.168.178.101",
            Banned = false,
            lastActionTimeStamp = DateTime.Now.Millisecond
        };

        int userID;
        UserData foundusr = await UsersRepository.getUserByIPAsync(userToCreate.Ipv4Address);
        if (foundusr == null)
        {
            userID = await UsersRepository.createUserAsync(userToCreate);
        }
        else
        {
            userID = foundusr.UserID;
            if(foundusr.Banned)
                return;
            foundusr.lastActionTimeStamp = DateTime.Now.Millisecond;
            await UsersRepository.updateUserAsync(foundusr);
        }
        
        //TODO Add check if data is image
        
        if (selectedFile == null)
        {
            return;
        }
        
        Stream stream = selectedFile.OpenReadStream(maxAllowedSize: 512000 * 4); // max 2MB
        var path = $"{env.WebRootPath}\\dynamic\\op\\{selectedFile.Name}";
        FileStream fs = File.Create(path);
        await stream.CopyToAsync(fs);
        stream.Close();
        fs.Close();
        
        var imageToUpload = new ImageData
        {
            Board = board.Tag,
            Image = image
        };
        int imageID = await ImagesRepository.createImageAsync(imageToUpload);
        var postToPost = new PostData
        {
            UserID = userID,
            ImageID = imageID,
            Username = postUsername,
            Title = postTitle,
            Content = postContent,
            Interactions = 0,
            CreatedAt = DateTimeOffset.Now.ToUnixTimeMilliseconds(),
            Board = board.Tag
        };
        int postId = await PostsRepository.createPostAsync(postToPost);
        if (postId != -1)
        {
            //Open post successfull
            NavigationManager.NavigateTo($"/{board.Tag}/thread/{postId}", true, true);
            Console.WriteLine("Post created");
        }
        else
        {
            //Open post unsucessfull
            NavigationManager.NavigateTo("/UnSuccessfulPost");
            Console.WriteLine("Shit sucks and did not work.");
        }
    }
}