using Microsoft.AspNetCore.Mvc.RazorPages;
using TaxBaik.Domain.Entities;
using TaxBaik.Web.Services;

namespace TaxBaik.Web.Pages.Blog;

public class BlogIndexModel : PageModel
{
    private readonly IApiClient _apiClient;

    public List<BlogPost> Posts { get; set; } = [];
    public List<Category> Categories { get; set; } = [];
    public int CurrentPage { get; set; } = 1;
    public int TotalPages { get; set; }
    public int? SelectedCategoryId { get; set; }
    private const int PageSize = 12;

    public BlogIndexModel(IApiClient apiClient)
    {
        _apiClient = apiClient;
    }

    public async Task OnGetAsync(int page = 1, int? categoryId = null)
    {
        try
        {
            CurrentPage = page;
            SelectedCategoryId = categoryId;

            var categories = await _apiClient.GetAsync<List<Category>>("category");
            Categories = categories ?? [];

            var blogsResponse = await _apiClient.GetAsync<BlogApiResponse>($"blog?page={page}&pageSize={PageSize}");
            if (blogsResponse != null)
            {
                Posts = blogsResponse.Data ?? [];
                TotalPages = (blogsResponse.Total + PageSize - 1) / PageSize;
            }
        }
        catch
        {
            CurrentPage = page;
            SelectedCategoryId = categoryId;
            Categories = [];
            Posts = [];
            TotalPages = 0;
        }
    }
}