const db = require('../db/models');
const ValidationError = require('./notifications/errors/validation');

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

/**
 * @param {string} permission
 * @param {object} currentUser
 */
async function checkPermissions(permission, currentUser) {

  if (!currentUser) {
    throw new ValidationError('auth.unauthorized');
  }

  const userPermission = currentUser.custom_permissions.find(
    (cp) => cp.name === permission,
  );

  if (userPermission) {
    return true;
  }

  try {
    if (!currentUser.app_role) {
      throw new ValidationError('auth.forbidden');
    }

    const permissions = await currentUser.app_role.getPermissions();

    return !!permissions.find((p) => p.name === permission);
  } catch (e) {
    throw e;
  }
}

module.exports = class SearchService {
  static async search(searchQuery, currentUser ) {
    try {
      if (!searchQuery) {
        throw new ValidationError('iam.errors.searchQueryRequired');
      }
      const tableColumns = {
        
          
          

          
            "users": [
              
                "firstName",
              
                "lastName",
              
                "phoneNumber",
              
                "email",
              
            ],
          
        
          
          
          
          

          
            "billing_customers": [
              
                "provider",
              
                "provider_customer_ref",
              
                "default_currency",
              
            ],
          
        
          
          

          
            "subscriptions": [
              
                "provider",
              
                "provider_subscription_ref",
              
                "price_ref",
              
            ],
          
        
          
          

          
            "trading_accounts": [
              
                "name",
              
                "broker_name",
              
                "base_currency",
              
            ],
          
        
          
          

          
            "instruments": [
              
                "symbol",
              
                "name",
              
                "exchange",
              
                "tick_size",
              
                "pip_value_hint",
              
            ],
          
        
          
          

          
            "setups": [
              
                "name",
              
                "description",
              
            ],
          
        
          
          

          
            "tags": [
              
                "name",
              
                "color_hex",
              
            ],
          
        
          
          

          
            "trades": [
              
                "notes",
              
            ],
          
        
          
          

          
            "trade_attachments": [
              
                "caption",
              
            ],
          
        
          
          

          
            "trade_rules": [
              
                "name",
              
                "description",
              
            ],
          
        
          
          

          
            "trade_rule_checks": [
              
                "comment",
              
            ],
          
        
          
          

          
            "mood_entries": [
              
                "emotions_notes",
              
            ],
          
        
          
          

          
            "goals": [
              
                "title",
              
                "description",
              
            ],
          
        
          
          

          
            "milestones": [
              
                "title",
              
                "notes",
              
            ],
          
        
          
          

          
            "watchlist_items": [
              
                "thesis",
              
            ],
          
        
          
          

          
            "economic_events": [
              
                "title",
              
                "country",
              
                "currency",
              
                "source",
              
                "external_ref",
              
                "description",
              
            ],
          
        
          
          

          
            "csv_import_jobs": [
              
                "original_filename",
              
                "mapping_json",
              
                "error_summary",
              
            ],
          
        
          
          

          
            "csv_import_row_errors": [
              
                "raw_row_json",
              
                "error_message",
              
            ],
          
        
          
          

          
            "broker_connections": [
              
                "connection_label",
              
                "last_error",
              
            ],
          
        
          
          

          
            "trade_sync_runs": [
              
                "error_details",
              
            ],
          
        
          
          

          
            "ai_insight_runs": [
              
                "prompt_snapshot",
              
                "output_summary",
              
            ],
          
        
          
          

          
            "ai_insight_items": [
              
                "title",
              
                "detail",
              
            ],
          
        
          
          

          
            "alert_rules": [
              
                "notes",
              
            ],
          
        
          
          

          
            "alerts": [
              
                "title",
              
                "message",
              
            ],
          
        
          
          

          
            "dashboard_widgets": [
              
                "name",
              
                "config_json",
              
            ],
          
        
          
          

          
            "pdf_reports": [
              
                "title",
              
                "error_message",
              
            ],
          
        
      };
      const columnsInt = {
        
          
          
          
        
          
          
          
          
          
        
          
          
          
        
          
          
          
            "trading_accounts": [
              
                "starting_balance",
              
                "current_balance",
              
                "risk_per_trade_default",
              
            ],
          
        
          
          
          
        
          
          
          
        
          
          
          
        
          
          
          
            "trades": [
              
                "entry_price",
              
                "exit_price",
              
                "stop_loss_price",
              
                "take_profit_price",
              
                "position_size",
              
                "fees",
              
                "slippage",
              
                "pnl_amount",
              
                "pnl_percent",
              
                "risk_amount",
              
                "rr_ratio",
              
                "mae_amount",
              
                "mfe_amount",
              
                "duration_minutes",
              
            ],
          
        
          
          
          
        
          
          
          
        
          
          
          
            "trade_rule_checks": [
              
                "score",
              
            ],
          
        
          
          
          
            "mood_entries": [
              
                "stress_score",
              
            ],
          
        
          
          
          
            "goals": [
              
                "target_value",
              
                "current_value",
              
            ],
          
        
          
          
          
            "milestones": [
              
                "target_value",
              
            ],
          
        
          
          
          
        
          
          
          
        
          
          
          
            "csv_import_jobs": [
              
                "total_rows",
              
                "imported_rows",
              
                "failed_rows",
              
            ],
          
        
          
          
          
            "csv_import_row_errors": [
              
                "row_number",
              
            ],
          
        
          
          
          
        
          
          
          
            "trade_sync_runs": [
              
                "created_trades",
              
                "updated_trades",
              
                "skipped_trades",
              
            ],
          
        
          
          
          
            "ai_insight_runs": [
              
                "consistency_score",
              
            ],
          
        
          
          
          
        
          
          
          
            "alert_rules": [
              
                "threshold_value",
              
            ],
          
        
          
          
          
        
          
          
          
            "dashboard_widgets": [
              
                "layout_x",
              
                "layout_y",
              
                "layout_w",
              
                "layout_h",
              
            ],
          
        
          
          
          
        
      };

      let allFoundRecords = [];

      for (const tableName in tableColumns) {
        if (tableColumns.hasOwnProperty(tableName)) {
          const attributesToSearch = tableColumns[tableName];
          const attributesIntToSearch = columnsInt[tableName] || [];
          const whereCondition = {
            [Op.or]: [
              ...attributesToSearch.map(attribute => ({
                [attribute]: {
                  [Op.iLike] : `%${searchQuery}%`,
                },
              })),
              ...attributesIntToSearch.map(attribute => (
                Sequelize.where(
                  Sequelize.cast(Sequelize.col(`${tableName}.${attribute}`), 'varchar'),
                  { [Op.iLike]: `%${searchQuery}%` }
                )
              )),
            ],
          };

          

          const hasPermission = await checkPermissions(`READ_${tableName.toUpperCase()}`, currentUser);
          if (!hasPermission) {
            continue;
          }

          const foundRecords = await db[tableName].findAll({
            where: whereCondition,
            attributes: [...tableColumns[tableName], 'id', ...attributesIntToSearch],
          });
      
          const modifiedRecords = foundRecords.map((record) => {
            const matchAttribute = [];
 
            for (const attribute of attributesToSearch) {
              if (record[attribute]?.toLowerCase()?.includes(searchQuery.toLowerCase())) {
                matchAttribute.push(attribute);
              }
            }

            for (const attribute of attributesIntToSearch) {
              const castedValue = String(record[attribute]);
              if (castedValue && castedValue.toLowerCase().includes(searchQuery.toLowerCase())) {
                matchAttribute.push(attribute);
              }
            }
      
            return {
              ...record.get(),
              matchAttribute,
              tableName,
            };
          });

          allFoundRecords = allFoundRecords.concat(modifiedRecords);
        }
      }

      return allFoundRecords;
    } catch (error) {
      throw error;
    }
  }
}