export function getPartialEndTiplocMatchPipeline(query: string[]) {
  return [
    {
      $match: {
        tiplocs: {
          $all: query,
        },
      },
    },
    {
      $addFields: {
        reversedTiplocs: {
          $reverseArray: "$tiplocs",
        },
        query: {
          $literal: query,
        },
      },
    },
    {
      $addFields: {
        reversedQuery: {
          $reverseArray: "$query",
        },
      },
    },
    {
      $match: {
        $expr: {
          $eq: [
            {
              $slice: [
                "$reversedTiplocs",
                0,
                {
                  $size: "$reversedQuery",
                },
              ],
            },
            "$reversedQuery",
          ],
        },
      },
    },
    {
      $addFields: {
        skipStops: {
          $subtract: [
            {
              $size: "$tiplocs",
            },
            {
              $size: "$reversedQuery",
            },
          ],
        },
      },
    },
    {
      $sort: {
        skipStops: 1,
      },
    },
    {
      $limit: 1,
    },
    {
      $project: {
        code: 1,
        skipStops: 1,
        toc: 1,
        _id: 0,
      },
    },
  ];
}

export function getFullTiplocMatchPipeline(query: string[]) {
  return [
    {
      $match: {
        tiplocs: query,
      },
    },
    {
      $limit: 1,
    },
    {
      $addFields: {
        skipStops: 0,
      },
    },
    {
      $project: {
        code: 1,
        toc: 1,
        skipStops: 1,
        _id: 0,
      },
    },
  ];
}