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

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

        symbol: data.symbol || null,
        volatility: data.volatility || null,
        volume: data.volume || null,
        spread: data.spread || null,
        profit_potential: data.profit_potential || null,
        trend: data.trend || null,
        risk_level: data.risk_level || null,
        rsi: data.rsi || null,
        macd_signal: data.macd_signal || null,
        support: data.support || null,
        resistance: data.resistance || null,
        last_update: data.last_update || null,
        importHash: data.importHash || null,
        createdById: currentUser.id,
        updatedById: currentUser.id,
      },
      { transaction },
    );

    return symbol_analyses;
  }

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

      symbol: item.symbol || null,
      volatility: item.volatility || null,
      volume: item.volume || null,
      spread: item.spread || null,
      profit_potential: item.profit_potential || null,
      trend: item.trend || null,
      risk_level: item.risk_level || null,
      rsi: item.rsi || null,
      macd_signal: item.macd_signal || null,
      support: item.support || null,
      resistance: item.resistance || null,
      last_update: item.last_update || null,
      importHash: item.importHash || null,
      createdById: currentUser.id,
      updatedById: currentUser.id,
      createdAt: new Date(Date.now() + index * 1000),
    }));

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

    // For each item created, replace relation files

    return symbol_analyses;
  }

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

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

    const updatePayload = {};

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

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

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

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

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

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

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

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

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

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

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

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

    updatePayload.updatedById = currentUser.id;

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

    return symbol_analyses;
  }

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

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

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

    return symbol_analyses;
  }

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

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

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

    await symbol_analyses.destroy({
      transaction,
    });

    return symbol_analyses;
  }

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

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

    if (!symbol_analyses) {
      return symbol_analyses;
    }

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

    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.symbol) {
        where = {
          ...where,
          [Op.and]: Utils.ilike('symbol_analyses', 'symbol', filter.symbol),
        };
      }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

      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.symbol_analyses.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('symbol_analyses', 'symbol', query),
        ],
      };
    }

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

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