using Microsoft.AspNetCore.Mvc;
using PlanTempus.Application.Features.Localization.Services;
using System.Globalization;

namespace PlanTempus.Application.Features.Customers.Components;

public class CustomerDetailActivityViewComponent : ViewComponent
{
    private readonly ILocalizationService _localization;

    public CustomerDetailActivityViewComponent(ILocalizationService localization)
    {
        _localization = localization;
    }

    public IViewComponentResult Invoke(string customerId)
    {
        var customer = CustomerDetailCatalog.Get(customerId);
        var culture = new CultureInfo("da-DK");
        var today = DateTime.Today;

        // Group activities by date
        var groupedActivities = customer.Activity
            .OrderByDescending(a => DateTime.Parse(a.Date))
            .ThenByDescending(a => a.Time)
            .GroupBy(a => a.Date)
            .Select(g =>
            {
                var date = DateTime.Parse(g.Key);
                string dateHeader;
                if (date.Date == today)
                {
                    dateHeader = "I dag";
                }
                else if (date.Date == today.AddDays(-1))
                {
                    dateHeader = "I gar";
                }
                else
                {
                    dateHeader = date.ToString("d. MMMM yyyy", culture);
                }

                return new ActivityDateGroupViewModel
                {
                    DateHeader = dateHeader,
                    Items = g.Select(a => new ActivityItemViewModel
                    {
                        Time = a.Time,
                        Type = a.Type,
                        Icon = a.Icon,
                        Title = a.Title,
                        Actor = a.Actor,
                        Badges = a.Badges.Select(b => new ActivityBadgeViewModel
                        {
                            Text = char.ToUpper(b[0]) + b[1..],
                            CssClass = b.ToLowerInvariant()
                        }).ToList()
                    }).ToList()
                };
            })
            .ToList();

        var model = new CustomerDetailActivityViewModel
        {
            DateGroups = groupedActivities,
            Filters = new List<ActivityFilterViewModel>
            {
                new() { Label = "Alle", Type = null, Icon = null, IsActive = true },
                new() { Label = "Bookinger", Type = "booking", Icon = "calendar" },
                new() { Label = "Kommunikation", Type = "communication", Icon = "envelope" },
                new() { Label = "Ændringer", Type = "edit", Icon = "pencil-simple" },
                new() { Label = "Betalinger", Type = "payment", Icon = "credit-card" },
                new() { Label = "Advarsler", Type = "warning", Icon = "warning" },
                new() { Label = "Kunde", Type = "customer", Icon = "user" }
            }
        };

        return View(model);
    }
}

public class CustomerDetailActivityViewModel
{
    public List<ActivityDateGroupViewModel> DateGroups { get; init; } = new();
    public List<ActivityFilterViewModel> Filters { get; init; } = new();
}

public class ActivityFilterViewModel
{
    public required string Label { get; init; }
    public string? Type { get; init; }
    public string? Icon { get; init; }
    public bool IsActive { get; init; }
}

public class ActivityDateGroupViewModel
{
    public required string DateHeader { get; init; }
    public List<ActivityItemViewModel> Items { get; init; } = new();
}

public class ActivityItemViewModel
{
    public required string Time { get; init; }
    public required string Type { get; init; }
    public required string Icon { get; init; }
    public required string Title { get; init; }
    public string? Actor { get; init; }
    public List<ActivityBadgeViewModel> Badges { get; init; } = new();
}

public class ActivityBadgeViewModel
{
    public required string Text { get; init; }
    public required string CssClass { get; init; }
}