@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

@inject NavigationManager Navigation
@inject NotificationService NotificationService

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

@rendermode InteractiveServer

<h3>Upload Plugin</h3>

<EditForm Model="@pluginModel" OnValidSubmit="HandleValidSubmit" FormName="pluginForm">
    <DataAnnotationsValidator />
    <ValidationSummary />

    <div class="form-group">
        <label>Plugin Name:</label>
        <InputText @bind-Value="pluginModel.Name" class="form-control" />
    </div>

    <div class="form-group">
        <label>Plugin Version:</label>
        <InputText @bind-Value="pluginModel.Version" class="form-control" />
        @if (!IsValidVersion)
        {
            <div class="text-danger">Version must be in format X.X.X</div>
        }
    </div>

    <div class="form-group">
        <InputCheckbox @bind-Value="pluginModel.IsEnabled" /> Enable Plugin
    </div>

    <div class="form-group">
        <label>Select DLL File:</label>
        <InputFile OnChange="HandleFileSelected" />
        @if (selectedFileName != null)
        {
            <div>Selected: @selectedFileName</div>
        }
    </div>

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

@code {
    private PluginUploadModel pluginModel = new();
    private IBrowserFile? selectedFile;
    private string? selectedFileName;

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

    private async Task HandleFileSelected(InputFileChangeEventArgs e)
    {
        selectedFile = e.File;
        selectedFileName = selectedFile.Name;
    }

    private async Task HandleValidSubmit()
    {
        if (!IsValidVersion || selectedFile is null || string.IsNullOrEmpty(selectedFileName))
        {
            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, selectedFileName);
        
        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; }
    }
}