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

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

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

  const { whereOrConditions, whereParamOr } = pool.buildStringOrIlike(
    ["b.brand_name"],
    searchParams.criteria,
    queryParams
  );

  queryParams = whereParamOr ? whereParamOr : queryParams;

  const { whereConditions, whereParamAnd } = pool.buildFilterQuery(
    [
      { column: "b.brand_name", param: searchParams.name, type: "string" },
      { column: "b.created_by", param: searchParams.created_by, type: "number" },
    ],
    queryParams
  );

  queryParams = whereParamAnd ? whereParamAnd : queryParams;

  const queryText = `
    SELECT COUNT(*) OVER() AS total_data, b.*
    FROM m_brands b
    WHERE b.deleted_at IS NULL
    ${whereConditions.length > 0 ? ` AND ${whereConditions.join(" AND ")}` : ""}
    ${whereOrConditions ? whereOrConditions : ""}
    ORDER BY b.brand_id ASC
    ${searchParams.limit ? `OFFSET $2 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 };
};

// Get brand by ID
const getBrandByIdDb = async (id) => {
  const queryText = `
    SELECT b.*
    FROM m_brands b
    WHERE b.brand_id = $1 AND b.deleted_at IS NULL
  `;
  const result = await pool.query(queryText, [id]);
  return result.recordset;
};

// Get brand by name
const getBrandByNameDb = async (name) => {
  const queryText = `
    SELECT b.*
    FROM m_brands b
    WHERE b.brand_name = $1 AND b.deleted_at IS NULL
  `;
  const result = await pool.query(queryText, [name]);
  return result.recordset[0];
};

// Create brand
const createBrandDb = async (data) => {
  const store = {
    ...data,
    created_at: new Date(),
  };

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

// Update brand
const updateBrandDb = async (id, data) => {
  const store = {
    ...data,
    updated_at: new Date(),
  };

  const whereData = {
    brand_id: id,
  };

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

// Soft delete brand
const deleteBrandDb = async (id, deletedBy) => {
  const queryText = `
    UPDATE m_brands
    SET deleted_at = CURRENT_TIMESTAMP, deleted_by = $1
    WHERE brand_id = $2 AND deleted_at IS NULL
  `;
  await pool.query(queryText, [deletedBy, id]);
  return true;
};

module.exports = {
  getAllBrandsDb,
  getBrandByIdDb,
  getBrandByNameDb,
  createBrandDb,
  updateBrandDb,
  deleteBrandDb,
};