using Microsoft.AspNetCore.Mvc;
using StorageServer.IO;
using StorageServer.Models;
using StorageServer.Models.Request;
using StorageServer.Models.Response;

namespace StorageServer.Controllers;

public class FileListController : Controller
{
    private readonly DatabaseFactory database;
    public FileListController(DatabaseFactory database) {
        this.database = database;
    }

    public IActionResult Read(FileListReadModel model) {
        if (!ModelState.IsValid) {
            return BadRequest();
        }

        if (model.Page < 0) {
            return BadRequest();
        }

        try {
            IEnumerable<FileModel> fileModels = this.database.ReadAll();
            int readCount = 100;
            IEnumerable<FileModel> seekedModels = fileModels.Skip(readCount * model.Page).Take(readCount);

            List<FileListResponseModel> fileLists = new List<FileListResponseModel>();
            foreach (FileModel fileModel in seekedModels) {
                fileLists.Add(new FileListResponseModel(fileModel));
            }

            return Json(fileLists);
        } catch (Exception) {
            return Problem();
        }
    }
}