PowderCoatingLogix/src/PowderCoating.Web/Views/Shared/_Pagination.cshtml

@using PowderCoating.Application.DTOs.Common
@model dynamic

@if (Model.TotalCount > 0)
{
    var request = Context.Request;
    var queryParams = request.Query.ToDictionary(k => k.Key, v => v.Value.ToString());

    string BuildUrl(int page, int? pageSize = null)
    {
        var urlParams = new Dictionary<string, string>(queryParams);
        urlParams["pageNumber"] = page.ToString();
        if (pageSize.HasValue)
        {
            urlParams["pageSize"] = pageSize.Value.ToString();
        }
        var queryString = string.Join("&", urlParams.Select(kvp => $"{kvp.Key}={Uri.EscapeDataString(kvp.Value)}"));
        return $"{request.Path}?{queryString}";
    }

    <div class="row mt-4">
        <div class="col-md-6">
            <div class="d-flex align-items-center">
                <span class="me-2">Showing @Model.StartIndex-@Model.EndIndex of @Model.TotalCount results</span>
                <span class="me-2">|</span>
                <label class="me-2 mb-0">Page size:</label>
                <select class="form-select form-select-sm w-auto" style="min-width: 5rem;" onchange="changePageSize(this.value)">
                    <option value="10" selected="@(Model.PageSize == 10)">10</option>
                    <option value="25" selected="@(Model.PageSize == 25)">25</option>
                    <option value="50" selected="@(Model.PageSize == 50)">50</option>
                    <option value="100" selected="@(Model.PageSize == 100)">100</option>
                </select>
            </div>
        </div>
        <div class="col-md-6">
            <nav aria-label="Page navigation">
                <ul class="pagination justify-content-end mb-0">
                    <!-- First Page -->
                    <li class="page-item @(!Model.HasPreviousPage ? "disabled" : "")">
                        <a class="page-link" href="@BuildUrl(1)" aria-label="First">
                            <i class="bi bi-chevron-double-left"></i>
                        </a>
                    </li>

                    <!-- Previous Page -->
                    <li class="page-item @(!Model.HasPreviousPage ? "disabled" : "")">
                        <a class="page-link" href="@BuildUrl(Model.PageNumber - 1)" aria-label="Previous">
                            <i class="bi bi-chevron-left"></i>
                        </a>
                    </li>

                    @{
                        // Calculate page range to show (5 pages at a time)
                        var startPage = Math.Max(1, Model.PageNumber - 2);
                        var endPage = Math.Min(Model.TotalPages, startPage + 4);
                        if (endPage - startPage < 4)
                        {
                            startPage = Math.Max(1, endPage - 4);
                        }

                        for (var i = startPage; i <= endPage; i++)
                        {
                            <li class="page-item @(i == Model.PageNumber ? "active" : "")">
                                <a class="page-link" href="@BuildUrl(i)">@i</a>
                            </li>
                        }
                    }

                    <!-- Next Page -->
                    <li class="page-item @(!Model.HasNextPage ? "disabled" : "")">
                        <a class="page-link" href="@BuildUrl(Model.PageNumber + 1)" aria-label="Next">
                            <i class="bi bi-chevron-right"></i>
                        </a>
                    </li>

                    <!-- Last Page -->
                    <li class="page-item @(!Model.HasNextPage ? "disabled" : "")">
                        <a class="page-link" href="@BuildUrl(Model.TotalPages)" aria-label="Last">
                            <i class="bi bi-chevron-double-right"></i>
                        </a>
                    </li>
                </ul>
            </nav>
        </div>
    </div>
}