import mongoose from "mongoose";
import { AuthenticatedUser } from "../auth";
import {
  getFilterObject,
  getSortObject,
  getTaggedUsersFilter,
  PageQueryParams,
} from "../pagination";
import {
  processedFields,
  processedModel,
  UpdateProcessedInput,
} from "./processed.schema";
import { createNote } from "../note/note.service";
import { createAlert } from "../alert/alert.service";
import { getUser } from "../user/user.service";

export async function getProcessedPermit(permitId: String, tenantId: String) {
  return await processedModel
    .findOne({
      $and: [{ tenantId: tenantId }, { pid: permitId }],
    })
    .populate({ path: "assignedTo", select: "pid name avatar" })
    .populate({ path: "createdBy", select: "pid name avatar" });
}

export async function updateProcessed(
  input: UpdateProcessedInput,
  permitId: string,
  user: AuthenticatedUser
) {
  const updateProcessedResult = await processedModel
    .findOneAndUpdate(
      {
        $and: [{ tenantId: user.tenantId }, { pid: permitId }],
      },
      { ...input, lastUpdateDate: new Date() },
      { new: true }
    )
    .populate({ path: "county", select: "pid name avatar" })
    .populate({ path: "client", select: "pid name avatar" })
    .populate({ path: "assignedTo", select: "pid name avatar" })
    .populate({ path: "createdBy", select: "pid name avatar" });

  if (updateProcessedResult) {
    for (const key in input) {
      if (["manualStatus", "utility", "assignedTo"].includes(key)) {
        let msg = "";

        if (input[key] === null) {
          msg = `Cleared ${key}`;
        } else if (key == "assignedTo") {
          const user = await getUser(input.assignedTo);
          if (!user) continue;

          msg = `Assigned to ${user.firstName + " " + user.lastName}`;
        } else {
          msg = `Updated ${key} to '${input[key]}'`;
        }

        await createNote(
          {
            content: msg,
          },
          permitId,
          "processed",
          user
        );

        if (key == "assignedTo" && input[key] != null) {
          await createAlert(
            user.tenantId,
            `You are assigned to ${updateProcessedResult.permitNumber}`,
            "user",
            input.assignedTo,
            updateProcessedResult.pid,
            "processed"
          );
        }
      }
    }

    return updateProcessedResult;
  }
}

export async function listProcessedPermits(
  params: PageQueryParams,
  user: AuthenticatedUser
) {
  const page = params.page || 1;
  const pageSize = params.pageSize || 10;
  const sortObj = getSortObject(params, processedFields);
  let filterObj = getFilterObject(params) || [];

  if (user.role == "client") {
    filterObj.push({ client: new mongoose.Types.ObjectId(user.orgId) });
  }

  let { taggedFilter, taggedUserFilterIndex } = getTaggedUsersFilter(
    filterObj,
    sortObj
  );

  if (taggedUserFilterIndex != -1) filterObj.splice(taggedUserFilterIndex, 1);

  const pipeline: any = [
    {
      $match: { $and: [{ tenantId: user.tenantId }, ...filterObj] },
    },
  ];

  if (params.searchToken && params.searchToken != "") {
    const regex = new RegExp(params.searchToken, "i");
    pipeline.push({
      $match: {
        $or: [
          { permitNumber: { $regex: regex } },
          { link: { $regex: regex } },
          { "address.full_address": { $regex: regex } },
        ],
      },
    });
  }

  pipeline.push(
    ...[
      ...taggedFilter,
      {
        $lookup: {
          from: "users",
          localField: "assignedTo",
          foreignField: "_id",
          as: "assignedRec",
        },
      },
      {
        $project: {
          _id: 1,
          pid: 1,
          permitNumber: 1,
          permitDate: 1,
          stage: 1,
          status: 1,
          manualStatus: 1,
          cleanStatus: 1,
          permitType: 1,
          utility: 1,
          link: 1,
          address: 1,
          recordType: 1,
          description: 1,
          applicationDetails: 1,
          applicationInfo: 1,
          applicationInfoTable: 1,
          conditions: 1,
          ownerDetails: 1,
          parcelInfo: 1,
          paymentData: 1,
          inspections: 1,
          newProcessingStatus: 1,
          newPayment: 1,
          newConditions: 1,
          professionals: 1,
          recordId: 1,
          relatedRecords: 1,
          accelaStatus: 1,
          createdAt: 1,
          county: 1,
          client: 1,
          clientData: 1,
          openDate: 1,
          lastUpdateDate: 1,
          statusUpdated: 1,
          transferDate: 1,
          issuedDate: 1,
          history: 1,
          communityName: 1,
          lot: 1,
          block: 1,
          jobNumber: 1,
          taggedUsers: 1,
          noc: 1,
          deed: 1,
          assignedTo: {
            $let: {
              vars: { assigned: { $arrayElemAt: ["$assignedRec", 0] } },
              in: {
                _id: "$$assigned._id",
                pid: "$$assigned.pid",
                name: "$$assigned.name",
                avatar: "$$assigned.avatar",
              },
            },
          },
        },
      },
      {
        $facet: {
          metadata: [{ $count: "count" }],
          data: [
            { $sort: sortObj },
            { $skip: (page - 1) * pageSize },
            { $limit: pageSize },
          ],
        },
      },
    ]
  );

  const permitsList = await processedModel.aggregate(pipeline);

  if (permitsList[0].data.length === 0)
    return { permits: [], metadata: { count: 0, page, pageSize } };

  return {
    permits: permitsList[0]?.data,
    metadata: {
      count: permitsList[0].metadata[0].count,
      page,
      pageSize,
    },
  };
}