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

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

        name: data.name || null,
        location: data.location || null,
        crowd_density: data.crowd_density || null,
        importHash: data.importHash || null,
        createdById: currentUser.id,
        updatedById: currentUser.id,
      },
      { transaction },
    );

    await tourist_spots.setSmarttourismhub(data.smarttourismhub || null, {
      transaction,
    });

    await tourist_spots.setNearby_accommodations(
      data.nearby_accommodations || [],
      {
        transaction,
      },
    );

    await tourist_spots.setNearby_restaurants(data.nearby_restaurants || [], {
      transaction,
    });

    await tourist_spots.setNearby_health_facilities(
      data.nearby_health_facilities || [],
      {
        transaction,
      },
    );

    return tourist_spots;
  }

  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 tourist_spotsData = data.map((item, index) => ({
      id: item.id || undefined,

      name: item.name || null,
      location: item.location || null,
      crowd_density: item.crowd_density || null,
      importHash: item.importHash || null,
      createdById: currentUser.id,
      updatedById: currentUser.id,
      createdAt: new Date(Date.now() + index * 1000),
    }));

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

    // For each item created, replace relation files

    return tourist_spots;
  }

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

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

    const updatePayload = {};

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

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

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

    updatePayload.updatedById = currentUser.id;

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

    if (data.smarttourismhub !== undefined) {
      await tourist_spots.setSmarttourismhub(
        data.smarttourismhub,

        { transaction },
      );
    }

    if (data.nearby_accommodations !== undefined) {
      await tourist_spots.setNearby_accommodations(data.nearby_accommodations, {
        transaction,
      });
    }

    if (data.nearby_restaurants !== undefined) {
      await tourist_spots.setNearby_restaurants(data.nearby_restaurants, {
        transaction,
      });
    }

    if (data.nearby_health_facilities !== undefined) {
      await tourist_spots.setNearby_health_facilities(
        data.nearby_health_facilities,
        { transaction },
      );
    }

    return tourist_spots;
  }

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

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

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

    return tourist_spots;
  }

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

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

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

    await tourist_spots.destroy({
      transaction,
    });

    return tourist_spots;
  }

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

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

    if (!tourist_spots) {
      return tourist_spots;
    }

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

    output.nearby_accommodations = await tourist_spots.getNearby_accommodations(
      {
        transaction,
      },
    );

    output.nearby_restaurants = await tourist_spots.getNearby_restaurants({
      transaction,
    });

    output.nearby_health_facilities =
      await tourist_spots.getNearby_health_facilities({
        transaction,
      });

    output.smarttourismhub = await tourist_spots.getSmarttourismhub({
      transaction,
    });

    return output;
  }

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

    const user = (options && options.currentUser) || null;
    const userSmarttourismhub = (user && user.SmartTourismHub?.id) || null;

    if (userSmarttourismhub) {
      if (options?.currentUser?.SmartTourismHubId) {
        where.SmartTourismHubId = options.currentUser.SmartTourismHubId;
      }
    }

    offset = currentPage * limit;

    const orderBy = null;

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

    let include = [
      {
        model: db.smarttourismhub,
        as: 'smarttourismhub',

        where: filter.smarttourismhub
          ? {
              [Op.or]: [
                {
                  id: {
                    [Op.in]: filter.smarttourismhub
                      .split('|')
                      .map((term) => Utils.uuid(term)),
                  },
                },
                {
                  name: {
                    [Op.or]: filter.smarttourismhub
                      .split('|')
                      .map((term) => ({ [Op.iLike]: `%${term}%` })),
                  },
                },
              ],
            }
          : {},
      },

      {
        model: db.accommodations,
        as: 'nearby_accommodations',
        required: false,
      },

      {
        model: db.accommodations,
        as: 'nearby_restaurants',
        required: false,
      },

      {
        model: db.health_facilities,
        as: 'nearby_health_facilities',
        required: false,
      },
    ];

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

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

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

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

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

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

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

      if (filter.nearby_accommodations) {
        const searchTerms = filter.nearby_accommodations.split('|');

        include = [
          {
            model: db.accommodations,
            as: 'nearby_accommodations_filter',
            required: searchTerms.length > 0,
            where:
              searchTerms.length > 0
                ? {
                    [Op.or]: [
                      {
                        id: {
                          [Op.in]: searchTerms.map((term) => Utils.uuid(term)),
                        },
                      },
                      {
                        name: {
                          [Op.or]: searchTerms.map((term) => ({
                            [Op.iLike]: `%${term}%`,
                          })),
                        },
                      },
                    ],
                  }
                : undefined,
          },
          ...include,
        ];
      }

      if (filter.nearby_restaurants) {
        const searchTerms = filter.nearby_restaurants.split('|');

        include = [
          {
            model: db.accommodations,
            as: 'nearby_restaurants_filter',
            required: searchTerms.length > 0,
            where:
              searchTerms.length > 0
                ? {
                    [Op.or]: [
                      {
                        id: {
                          [Op.in]: searchTerms.map((term) => Utils.uuid(term)),
                        },
                      },
                      {
                        name: {
                          [Op.or]: searchTerms.map((term) => ({
                            [Op.iLike]: `%${term}%`,
                          })),
                        },
                      },
                    ],
                  }
                : undefined,
          },
          ...include,
        ];
      }

      if (filter.nearby_health_facilities) {
        const searchTerms = filter.nearby_health_facilities.split('|');

        include = [
          {
            model: db.health_facilities,
            as: 'nearby_health_facilities_filter',
            required: searchTerms.length > 0,
            where:
              searchTerms.length > 0
                ? {
                    [Op.or]: [
                      {
                        id: {
                          [Op.in]: searchTerms.map((term) => Utils.uuid(term)),
                        },
                      },
                      {
                        name: {
                          [Op.or]: searchTerms.map((term) => ({
                            [Op.iLike]: `%${term}%`,
                          })),
                        },
                      },
                    ],
                  }
                : undefined,
          },
          ...include,
        ];
      }

      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,
            },
          };
        }
      }
    }

    if (globalAccess) {
      delete where.SmartTourismHubId;
    }

    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.tourist_spots.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,
    globalAccess,
    organizationId,
  ) {
    let where = {};

    if (!globalAccess && organizationId) {
      where.organizationId = organizationId;
    }

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

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

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