using System.Security.Claims;
using Blazorise;
using Blazorise.DataGrid;
using Gremlin_BlazorServer.Data.EntityClasses;
using Gremlin_BlazorServer.Services;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Components.Authorization;

namespace Gremlin_BlazorServer.Pages;

public partial class CustomDescriptions {
	private IList<CustomDescription>? customDescriptions;
	private CustomDescription? selectedCustomDescription;

	[CascadingParameter] private Task<AuthenticationState>? AuthenticationStateTask { get; set; }

	protected override async Task OnInitializedAsync() {
		if (AuthenticationStateTask != null) {
			ClaimsPrincipal user = (await AuthenticationStateTask).User;
			if (user.Identity is { IsAuthenticated: true }) customDescriptions = GenericController.GetAll<CustomDescription>("Supplier");

			await base.OnInitializedAsync();
		}
	}

	private void OnSelectedCustomDescriptionChanged(CustomDescription selectedCustomDescription) => this.selectedCustomDescription = selectedCustomDescription;

	private async Task OnImportCustomDescriptions(FileChangedEventArgs fileChangedEventArgs) {
		try {
			foreach (IFileEntry? file in fileChangedEventArgs.Files) {
				using MemoryStream stream = new();
				await file.WriteToStreamAsync(stream);
				_ = stream.Seek(0, SeekOrigin.Begin);
				using StreamReader reader = new(stream);
				string fileContent = await reader.ReadToEndAsync();
				_ = await GenericImporter.ImportCsvAsync<CustomDescription>(fileContent);
			}
		}
		catch (Exception exception) {
			Console.WriteLine(exception.Message);
		}

		StateHasChanged();
	}

	private async Task OnRowInsertedAsync(SavedRowItem<CustomDescription, Dictionary<string, object>> customDescription) {
		CustomDescription newCustomDescription = await ResolveCustomDescriptionAsync(customDescription.Item);
		if (newCustomDescription.ProductNumber == null || newCustomDescription.OptionNumber == null)
			return;
		int count = await GenericController.InsertAsync(newCustomDescription);
		Console.WriteLine($"Inserted {count} properties for new custom description {newCustomDescription.ProductNumber}#{newCustomDescription.OptionNumber}: {newCustomDescription.Heading}");
	}

	private async Task OnRowUpdatedAsync(SavedRowItem<CustomDescription, Dictionary<string, object>> customDescription) {
		CustomDescription newCustomDescription = await ResolveCustomDescriptionAsync(customDescription.Item);
		if (newCustomDescription.ProductNumber == null || newCustomDescription.OptionNumber == null)
			return;
		int count = await GenericController.UpdateAsync(customDescription.Item);
		Console.WriteLine($"Updated {count} properties for custom description {newCustomDescription.ProductNumber}#{newCustomDescription.OptionNumber}: {newCustomDescription.Heading}");
	}

	private async Task OnRowRemovedAsync(CustomDescription customDescription) {
		int count = await GenericController.RemoveAsync(customDescription);
		Console.WriteLine($"Removed {count} properties and custom description {customDescription.ProductNumber}#{customDescription.OptionNumber}: {customDescription.Heading}");
	}

	private async Task<CustomDescription> ResolveCustomDescriptionAsync(CustomDescription newCustomDescription) {
		newCustomDescription.Supplier = await GenericController.GetAsync<Account>(a => a.AccountId.Equals(newCustomDescription.AccountId));
		newCustomDescription.DataModificationByUser = "Gremlin Blazor Server GUI";
		newCustomDescription.DataVersionNumber++;
		return newCustomDescription;
	}
}