const db = require('../models');
const FileDBApi = require('./file');
const crypto = require('crypto');
const Utils = require('../utils');

const Sequelize = db.Sequelize;
const Op = Sequelize.Op;

module.exports = class ProductsDBApi {
  static async create(data, options) {
    const currentUser = (options && options.currentUser) || { id: null };
    const transaction = (options && options.transaction) || undefined;

    const products = await db.products.create(
      {
        id: data.id || undefined,

        title: data.title || null,
        description: data.description || null,
        type: data.type || null,
        accepts_cash: data.accepts_cash || false,

        accepts_online_payment: data.accepts_online_payment || false,

        location_address: data.location_address || null,
        location_lat: data.location_lat || null,
        location_lng: data.location_lng || null,
        region: data.region || null,
        social_website: data.social_website || null,
        social_youtube: data.social_youtube || null,
        social_instagram: data.social_instagram || null,
        social_tiktok: data.social_tiktok || null,
        social_facebook: data.social_facebook || null,
        importHash: data.importHash || null,
        createdById: currentUser.id,
        updatedById: currentUser.id,
      },
      { transaction },
    );

    return products;
  }

  static async bulkImport(data, options) {
    const currentUser = (options && options.currentUser) || { id: null };
    const transaction = (options && options.transaction) || undefined;

    // Prepare data - wrapping individual data transformations in a map() method
    const productsData = data.map((item, index) => ({
      id: item.id || undefined,

      title: item.title || null,
      description: item.description || null,
      type: item.type || null,
      accepts_cash: item.accepts_cash || false,

      accepts_online_payment: item.accepts_online_payment || false,

      location_address: item.location_address || null,
      location_lat: item.location_lat || null,
      location_lng: item.location_lng || null,
      region: item.region || null,
      social_website: item.social_website || null,
      social_youtube: item.social_youtube || null,
      social_instagram: item.social_instagram || null,
      social_tiktok: item.social_tiktok || null,
      social_facebook: item.social_facebook || null,
      importHash: item.importHash || null,
      createdById: currentUser.id,
      updatedById: currentUser.id,
      createdAt: new Date(Date.now() + index * 1000),
    }));

    // Bulk create items
    const products = await db.products.bulkCreate(productsData, {
      transaction,
    });

    // For each item created, replace relation files

    return products;
  }

  static async update(id, data, options) {
    const currentUser = (options && options.currentUser) || { id: null };
    const transaction = (options && options.transaction) || undefined;

    const products = await db.products.findByPk(id, {}, { transaction });

    const updatePayload = {};

    if (data.title !== undefined) updatePayload.title = data.title;

    if (data.description !== undefined)
      updatePayload.description = data.description;

    if (data.type !== undefined) updatePayload.type = data.type;

    if (data.accepts_cash !== undefined)
      updatePayload.accepts_cash = data.accepts_cash;

    if (data.accepts_online_payment !== undefined)
      updatePayload.accepts_online_payment = data.accepts_online_payment;

    if (data.location_address !== undefined)
      updatePayload.location_address = data.location_address;

    if (data.location_lat !== undefined)
      updatePayload.location_lat = data.location_lat;

    if (data.location_lng !== undefined)
      updatePayload.location_lng = data.location_lng;

    if (data.region !== undefined) updatePayload.region = data.region;

    if (data.social_website !== undefined)
      updatePayload.social_website = data.social_website;

    if (data.social_youtube !== undefined)
      updatePayload.social_youtube = data.social_youtube;

    if (data.social_instagram !== undefined)
      updatePayload.social_instagram = data.social_instagram;

    if (data.social_tiktok !== undefined)
      updatePayload.social_tiktok = data.social_tiktok;

    if (data.social_facebook !== undefined)
      updatePayload.social_facebook = data.social_facebook;

    updatePayload.updatedById = currentUser.id;

    await products.update(updatePayload, { transaction });

    return products;
  }

  static async deleteByIds(ids, options) {
    const currentUser = (options && options.currentUser) || { id: null };
    const transaction = (options && options.transaction) || undefined;

    const products = await db.products.findAll({
      where: {
        id: {
          [Op.in]: ids,
        },
      },
      transaction,
    });

    await db.sequelize.transaction(async (transaction) => {
      for (const record of products) {
        await record.update({ deletedBy: currentUser.id }, { transaction });
      }
      for (const record of products) {
        await record.destroy({ transaction });
      }
    });

    return products;
  }

  static async remove(id, options) {
    const currentUser = (options && options.currentUser) || { id: null };
    const transaction = (options && options.transaction) || undefined;

    const products = await db.products.findByPk(id, options);

    await products.update(
      {
        deletedBy: currentUser.id,
      },
      {
        transaction,
      },
    );

    await products.destroy({
      transaction,
    });

    return products;
  }

  static async findBy(where, options) {
    const transaction = (options && options.transaction) || undefined;

    const products = await db.products.findOne({ where }, { transaction });

    if (!products) {
      return products;
    }

    const output = products.get({ plain: true });

    output.event_details_post = await products.getEvent_details_post({
      transaction,
    });

    output.help_details_post = await products.getHelp_details_post({
      transaction,
    });

    output.images_post = await products.getImages_post({
      transaction,
    });

    output.notifications_linked_product =
      await products.getNotifications_linked_product({
        transaction,
      });

    output.product_details_post = await products.getProduct_details_post({
      transaction,
    });

    output.session_requests_linked_product =
      await products.getSession_requests_linked_product({
        transaction,
      });

    output.sessions_linked_post = await products.getSessions_linked_post({
      transaction,
    });

    return output;
  }

  static async findAll(filter, options) {
    const limit = filter.limit || 0;
    let offset = 0;
    let where = {};
    const currentPage = +filter.page;

    offset = currentPage * limit;

    const orderBy = null;

    const transaction = (options && options.transaction) || undefined;

    let include = [];

    if (filter) {
      if (filter.id) {
        where = {
          ...where,
          ['id']: Utils.uuid(filter.id),
        };
      }

      if (filter.title) {
        where = {
          ...where,
          [Op.and]: Utils.ilike('products', 'title', filter.title),
        };
      }

      if (filter.description) {
        where = {
          ...where,
          [Op.and]: Utils.ilike('products', 'description', filter.description),
        };
      }

      if (filter.location_address) {
        where = {
          ...where,
          [Op.and]: Utils.ilike(
            'products',
            'location_address',
            filter.location_address,
          ),
        };
      }

      if (filter.region) {
        where = {
          ...where,
          [Op.and]: Utils.ilike('products', 'region', filter.region),
        };
      }

      if (filter.social_website) {
        where = {
          ...where,
          [Op.and]: Utils.ilike(
            'products',
            'social_website',
            filter.social_website,
          ),
        };
      }

      if (filter.social_youtube) {
        where = {
          ...where,
          [Op.and]: Utils.ilike(
            'products',
            'social_youtube',
            filter.social_youtube,
          ),
        };
      }

      if (filter.social_instagram) {
        where = {
          ...where,
          [Op.and]: Utils.ilike(
            'products',
            'social_instagram',
            filter.social_instagram,
          ),
        };
      }

      if (filter.social_tiktok) {
        where = {
          ...where,
          [Op.and]: Utils.ilike(
            'products',
            'social_tiktok',
            filter.social_tiktok,
          ),
        };
      }

      if (filter.social_facebook) {
        where = {
          ...where,
          [Op.and]: Utils.ilike(
            'products',
            'social_facebook',
            filter.social_facebook,
          ),
        };
      }

      if (filter.location_latRange) {
        const [start, end] = filter.location_latRange;

        if (start !== undefined && start !== null && start !== '') {
          where = {
            ...where,
            location_lat: {
              ...where.location_lat,
              [Op.gte]: start,
            },
          };
        }

        if (end !== undefined && end !== null && end !== '') {
          where = {
            ...where,
            location_lat: {
              ...where.location_lat,
              [Op.lte]: end,
            },
          };
        }
      }

      if (filter.location_lngRange) {
        const [start, end] = filter.location_lngRange;

        if (start !== undefined && start !== null && start !== '') {
          where = {
            ...where,
            location_lng: {
              ...where.location_lng,
              [Op.gte]: start,
            },
          };
        }

        if (end !== undefined && end !== null && end !== '') {
          where = {
            ...where,
            location_lng: {
              ...where.location_lng,
              [Op.lte]: end,
            },
          };
        }
      }

      if (filter.active !== undefined) {
        where = {
          ...where,
          active: filter.active === true || filter.active === 'true',
        };
      }

      if (filter.type) {
        where = {
          ...where,
          type: filter.type,
        };
      }

      if (filter.accepts_cash) {
        where = {
          ...where,
          accepts_cash: filter.accepts_cash,
        };
      }

      if (filter.accepts_online_payment) {
        where = {
          ...where,
          accepts_online_payment: filter.accepts_online_payment,
        };
      }

      if (filter.createdAtRange) {
        const [start, end] = filter.createdAtRange;

        if (start !== undefined && start !== null && start !== '') {
          where = {
            ...where,
            ['createdAt']: {
              ...where.createdAt,
              [Op.gte]: start,
            },
          };
        }

        if (end !== undefined && end !== null && end !== '') {
          where = {
            ...where,
            ['createdAt']: {
              ...where.createdAt,
              [Op.lte]: end,
            },
          };
        }
      }
    }

    const queryOptions = {
      where,
      include,
      distinct: true,
      order:
        filter.field && filter.sort
          ? [[filter.field, filter.sort]]
          : [['createdAt', 'desc']],
      transaction: options?.transaction,
      logging: console.log,
    };

    if (!options?.countOnly) {
      queryOptions.limit = limit ? Number(limit) : undefined;
      queryOptions.offset = offset ? Number(offset) : undefined;
    }

    try {
      const { rows, count } = await db.products.findAndCountAll(queryOptions);

      return {
        rows: options?.countOnly ? [] : rows,
        count: count,
      };
    } catch (error) {
      console.error('Error executing query:', error);
      throw error;
    }
  }

  static async findAllAutocomplete(query, limit, offset) {
    let where = {};

    if (query) {
      where = {
        [Op.or]: [
          { ['id']: Utils.uuid(query) },
          Utils.ilike('products', 'title', query),
        ],
      };
    }

    const records = await db.products.findAll({
      attributes: ['id', 'title'],
      where,
      limit: limit ? Number(limit) : undefined,
      offset: offset ? Number(offset) : undefined,
      orderBy: [['title', 'ASC']],
    });

    return records.map((record) => ({
      id: record.id,
      label: record.title,
    }));
  }
};