const pool = require("../config");

// Get all devices
const getAllSparepartDb = async (searchParams = {}) => {
  let queryParams = [];

  // Pagination
  if (searchParams.limit) {
    const page = Number(searchParams.page ?? 1) - 1;
    queryParams = [Number(searchParams.limit ?? 10), page];
  }

  // Search
  const { whereOrConditions, whereParamOr } = pool.buildStringOrIlike(
    [
      "a.sparepart_name",
      "a.sparepart_code",
      "a.sparepart_model",
      "a.updated_at",
    ],
    searchParams.criteria,
    queryParams
  );

  queryParams = whereParamOr ? whereParamOr : queryParams;

  // Filter
  const { whereConditions, whereParamAnd } = pool.buildFilterQuery(
    [
      { column: "a.sparepart_name", param: searchParams.code, type: "string" },
      {
        column: "a.sparepart_code",
        param: searchParams.location,
        type: "string",
      },
      {
        column: "b.sparepart_model",
        param: searchParams.brand,
        type: "string",
      },
      { column: "a.updated_at", param: searchParams.status, type: "string" },
    ],
    queryParams
  );

  queryParams = whereParamAnd ? whereParamAnd : queryParams;

  const queryText = `
    SELECT 
    COUNT(*) OVER() AS total_data,
    a.*,
    COALESCE(a.sparepart_code, '') + ' - ' + COALESCE(a.sparepart_name, '') AS sparepart_code_name
    FROM m_sparepart a
    WHERE a.deleted_at IS NULL
      ${
        whereConditions.length > 0 ? `AND ${whereConditions.join(" AND ")}` : ""
      }
      ${whereOrConditions ? whereOrConditions : ""}
    ORDER BY a.sparepart_id ASC
    ${searchParams.limit ? `OFFSET $2 * $1 ROWS FETCH NEXT $1 ROWS ONLY` : ""}
  `;

  const result = await pool.query(queryText, queryParams);

  const total =
    result?.recordset.length > 0
      ? parseInt(result.recordset[0].total_data, 10)
      : 0;

  return { data: result.recordset, total };
};

const getSparepartByIdDb = async (id) => {
  const queryText = `
    SELECT 
    a.*,
    COALESCE(a.sparepart_code, '') + ' - ' + COALESCE(a.sparepart_name, '') AS sparepart_code_name
    FROM m_sparepart a
    WHERE a.sparepart_id = $1 AND a.deleted_at IS NULL
  `;
  const result = await pool.query(queryText, [id]);
  return result.recordset;
};

const checkSparepartNameExistsDb = async (sparePartName, excludeId = null) => {
  let queryText = `
    SELECT sparepart_id
    FROM m_sparepart
    WHERE sparepart_name = $1 AND deleted_at IS NULL
  `;
  let values = [sparePartName];
  if (excludeId) {
    queryText += ` AND sparepart_id != $2`;
    values.push(excludeId);
  }
  const result = await pool.query(queryText, values);
  return result.recordset.length > 0;
};

const createSparepartDb = async (data) => {
  const newCode = await pool.generateKode(
    "SPAREPART",
    "m_sparepart",
    "sparepart_code"
  );

  const store = {
    ...data,
    sparepart_code: newCode,
  };

  const { query: queryText, values } = pool.buildDynamicInsert(
    "m_sparepart",
    store
  );
  const result = await pool.query(queryText, values);
  const insertedId = result.recordset[0]?.inserted_id;
  return insertedId ? await getSparepartByIdDb(insertedId) : null;
};

const updateSparepartDb = async (id, data) => {
  const store = {
    ...data,
  };

  // Kondisi WHERE
  const whereData = {
    sparepart_id: id,
  };

  const { query: queryText, values } = pool.buildDynamicUpdate(
    "m_sparepart",
    store,
    whereData
  );
  await pool.query(`${queryText} AND deleted_at IS NULL`, values);
  return getSparepartByIdDb(id);
};

const deleteSparepartDb = async (id, deletedBy) => {
  const queryText = `
    UPDATE m_sparepart
    SET deleted_at = CURRENT_TIMESTAMP, deleted_by = $1
    WHERE sparepart_id = $2 AND deleted_at IS NULL
  `;
  await pool.query(queryText, [deletedBy, id]);
  return true;
};

module.exports = {
  getAllSparepartDb,
  getSparepartByIdDb,
  checkSparepartNameExistsDb,
  createSparepartDb,
  updateSparepartDb,
  deleteSparepartDb,
};