@page "/plugins/add-local"
@using System.ComponentModel.DataAnnotations

@using DiscordBotCore.Configuration
@using DiscordBotCore.Logging
@using DiscordBotCore.PluginManagement
@using DiscordBotCore.PluginManagement.Models
@using WebUI.Models
@using WebUI.Services
@using WebUI.Components.Shared

@inject NavigationManager Navigation
@inject NotificationService NotificationService

@inject IPluginManager PluginManager
@inject IConfiguration Configuration
@inject ILogger Logger

@rendermode InteractiveServer

<CenteredCard Title="Upload plugin">
    <EditForm Model="@pluginModel" OnValidSubmit="HandleValidSubmit" FormName="pluginForm">
        <DataAnnotationsValidator />
        <ValidationSummary />

        <div class="form-group">
            <ModernLabel Text="Plugin Name"></ModernLabel>
            <RoundedTextBox @bind-Value="pluginModel.Name" Placeholder="Example Plugin"></RoundedTextBox>
        </div>

        <div class="form-group">
            <ModernLabel Text="Plugin version"></ModernLabel>
            <RoundedTextBox @bind-Value="pluginModel.Version" Placeholder="1.0.0"></RoundedTextBox>
        </div>

        <div class="form-group">
            <ModernCheckbox @bind-Checked="pluginModel.IsEnabled" Label="Enable Plugin"></ModernCheckbox>
        </div>

        <div class="form-group">
            <ModernFileUploader OnFileUploaded="HandleUploadedFile" AllowedFileTypes="@allowedFileTypes"/>
            @if (_message is not null)
            {
                <p class="mt-2 text-green-600">@_message</p>
            }

        </div>

        <button class="btn btn-primary" type="submit">Upload</button>
    </EditForm>
</CenteredCard>

@code {
    private PluginUploadModel pluginModel = new();
    private IBrowserFile? selectedFile;
    
    private List<string> allowedFileTypes { get; set; } = new List<string> { ".dll"};

    private string? _message;

    private bool IsValidVersion => System.Text.RegularExpressions.Regex.IsMatch(pluginModel.Version ?? "", @"^\d+\.\d+\.\d+$");

    private async Task HandleUploadedFile(IBrowserFile file)
    {
        var buffer = new byte[file.Size];
        await file.OpenReadStream().ReadAsync(buffer);
        _message = $"Uploaded file: {file.Name} ({file.Size} bytes)";
    }

    private async Task HandleValidSubmit()
    {
        if (!IsValidVersion || selectedFile is null || string.IsNullOrEmpty(selectedFile.Name))
        {
            NotificationService.Notify("Invalid field values. Please check the form.", NotificationType.Error);
            return;
        }

        string? pluginsFolder = Configuration.Get<string>("PluginFolder");
        
        if (string.IsNullOrEmpty(pluginsFolder))
        {
            Logger.Log("Plugins folder is not set in the configuration.", this, LogType.Error);
            NotificationService.Notify("Plugins folder is not set in the configuration.", NotificationType.Error);
            return;
        }
        
        string filePath = Path.Combine(pluginsFolder, selectedFile.Name);
        
        await using var stream = selectedFile.OpenReadStream(maxAllowedSize: 10 * 1024 * 1024);
        await using var fileStream = File.Create(filePath);
        await stream.CopyToAsync(fileStream);

        LocalPlugin plugin = new LocalPlugin(pluginModel.Name, pluginModel.Version, filePath, new(), true, pluginModel.IsEnabled);
        await PluginManager.AppendPluginToDatabase(plugin);
        
        NotificationService.Notify($"Plugin {pluginModel.Name} uploaded successfully!", NotificationType.Success);

        Navigation.NavigateTo("/");
    }

    public class PluginUploadModel
    {
        [Required]
        public string Name { get; set; } = string.Empty;

        [Required]
        public string Version { get; set; } = string.Empty;

        public bool IsEnabled { get; set; }
    }
}