<?php

Flight::route('GET /v1/api/images', function()
{

  $model = new ImagesModel();

  $type_array = [
	'id' => 'integer',
	'url' => 'string',
	'user_id' => 'integer',
	'caption' => 'string'
  ];

  $allow_fields = ['id', 'url', 'user_id', 'caption'];
  $allow_column_fields = ['ID', 'URL', 'User ID', 'Caption'];
  $format = isset($_GET['format']) ? $_GET['format'] : 'json';
  $page = isset($_GET['page']) ? intval($_GET['page']) : 1;
  $id = isset($_GET['id']) ? intval($_GET['id']) : 0;
  $per_page = isset($_GET['size']) ? intval($_GET['size']) : 25;
  $sort = isset($_GET['sort']) ? $_GET['sort'] : 'id';
  $direction = isset($_GET['direction']) ? $_GET['direction'] : 'ASC';
  //TODO: default sort/direction from cms builder

  $query_service = new QueryService();
  $format_service = new FormatService();
  $custom_where = $query_service->create_where(
    $type_array,
    Flight::request()->query['field'] ?? [],
    Flight::request()->query['operator'] ?? [],
    Flight::request()->query['value'] ?? []);

  $result = $model->get_paginated($page, $per_page, $custom_where, $sort, $direction);
  // $result = $model->get_cursor_paginated($page, $per_page, $custom_where, $sort, $direction, $id);

  if ($result)
  {
    $result['code'] = 200;
    $result['error'] = false;
    $result['query'] = $custom_where;

    if ($format == 'json')
    {
      $result['data'] = $format_service->to_json($result['data'], $model->get_mapping(), $allow_column_fields, $allow_fields);
      echo json_encode($result);
      exit;
    }

    if ($format == 'csv')
    {
      header('Content-Type: text/csv');
      header('Content-Disposition: attachment; filename="export.csv"');

      echo implode("\n", $format_service->to_csv($result['list'], $model->get_mapping(), $allow_column_fields), $allow_fields);
      exit();
    }
  }
  else
  {
    echo json_encode([
      'code' => 409,
      'error' => false
    ]);
    http_response_code(409);
    exit;
  }
});