'use strict';

const normalize = (value) => String(value || '').trim();

module.exports = async (ctx, next) => {
   try {
      const query = ctx?.request?.query || {};
      const body = ctx?.request?.body || {};
      const rawUserId = normalize(
         query.userid || query.userId || query.creator || body.userid || body.userId || body.creator,
      );
      if (!rawUserId) {
         await next();
         return;
      }

      const models = ctx?.app?.fs?.dc?.models || {};
      const TenderUser = models.TenderUser;
      if (!TenderUser) {
         await next();
         return;
      }

      let mappedUserId = '';
      const byPepId = await TenderUser.findOne({
         attributes: ['id', 'pepId'],
         where: { pepId: rawUserId, deletedAt: null },
         raw: true,
      });
      if (byPepId?.pepId !== undefined && byPepId?.pepId !== null) {
         mappedUserId = String(byPepId.pepId);
      } else {
         const byId = await TenderUser.findOne({
            attributes: ['id', 'pepId'],
            where: { id: rawUserId, deletedAt: null },
            raw: true,
         });
         if (byId?.id !== undefined && byId?.id !== null) {
            mappedUserId = byId.pepId ? String(byId.pepId) : String(byId.id);
         } else {
            const byExternalId = await TenderUser.findOne({
               attributes: ['id', 'pepId'],
               where: { externalUserId: rawUserId, deletedAt: null },
               raw: true,
            });
            if (byExternalId?.id !== undefined && byExternalId?.id !== null) {
               mappedUserId = byExternalId.pepId ? String(byExternalId.pepId) : String(byExternalId.id);
            }
         }
      }

      if (mappedUserId) {
         if (query.userid !== undefined || query.userId !== undefined) {
            query.userId = mappedUserId;
         }
         if (query.creator !== undefined) {
            query.creator = mappedUserId;
         }
         if (body.userid !== undefined || body.userId !== undefined) {
            body.userId = mappedUserId;
         }
         if (body.creator !== undefined || body.userid !== undefined || body.userId !== undefined) {
            body.creator = mappedUserId;
         }
         ctx.fs = ctx.fs || {};
         ctx.fs.userIdMapping = {
            externalUserId: rawUserId,
            internalUserId: mappedUserId,
         };
      }

      await next();
   } catch (error) {
      ctx.logger.error(error);
      await next();
   }
};