using Application.Abstractions.Data;
using Application.Abstractions.Messaging;
using SharedKernel.Results;
using Microsoft.EntityFrameworkCore;

namespace Application.Features.Api.MyPage.GetLoginLogs;

internal sealed class Handler(IAppDbContext db) : IQueryHandler<Query, Result<Response>>
{
    public async Task<Result<Response>> Handle(Query request, CancellationToken ct)
    {
        var page = request.Page < 1 ? 1 : request.Page;
        var pageSize = request.PageSize is < 1 or > 50 ? 20 : request.PageSize;

        var query = db.MemberLoginLog
            .AsNoTracking()
            .Where(l => l.MemberID == request.MemberID)
            .OrderByDescending(l => l.CreatedAt);

        var totalCount = await query.CountAsync(ct);

        var items = await query
            .Skip((page - 1) * pageSize)
            .Take(pageSize)
            .Select(l => new LoginLogItem(
                l.ID,
                l.Success,
                l.Account,
                l.Reason,
                l.IpAddress,
                l.UserAgent,
                l.CreatedAt
            ))
            .ToListAsync(ct);

        return Result.Success(new Response(items, totalCount, page, pageSize));
    }
}