import config from '../../config.js';
import { fulfillmentPolicyModel } from '../../database/schemas/sales/fulfillmentpolicy.schema.js';
import log4js from 'log4js';
import mongoose from 'mongoose';
import {
  deleteObject,
  listObjects,
  getObject,
  editObject,
  newObject,
  listObjectsByProperties,
  getModelStats,
  getModelHistory,
  searchObjects,
  getPropertyValues,
  getObjectNeighbors,
} from '../../database/database.js';
import { syncFulfillmentPolicy } from '../../integrations/marketplace.js';
import { startPolicyMarketplaceSync } from '../misc/syncPolicyMarketplaces.js';

const logger = log4js.getLogger('FulfillmentPolicies');
logger.level = config.server.logLevel;

export const FULFILLMENT_POLICY_POPULATE = ['courierServices', 'marketplaces.marketplace'];

const policyFields = (body = {}) => ({
  name: body.name,
  description: body.description,
  handlingTime: body.handlingTime,
  localPickup: body.localPickup,
  globalShipping: body.globalShipping,
  freightShipping: body.freightShipping,
  pickupDropOff: body.pickupDropOff,
  courierServices: body.courierServices,
  marketplaces: body.marketplaces,
});

export const listFulfillmentPoliciesRouteHandler = async (
  req,
  res,
  page = 1,
  limit = 25,
  property = '',
  filter = {},
  search = '',
  sort = '',
  order = 'ascend'
) => {
  const result = await listObjects({
    model: fulfillmentPolicyModel,
    page,
    limit,
    property,
    filter,
    search,
    sort,
    order,
    populate: FULFILLMENT_POLICY_POPULATE,
  });

  if (result?.error) {
    logger.error('Error listing fulfillment policies.');
    res.status(result.code).send(result);
    return;
  }

  logger.debug(
    `List of fulfillment policies (Page ${page}, Limit ${limit}). Count: ${result.length}.`
  );
  res.send(result);
};

export const listFulfillmentPoliciesByPropertiesRouteHandler = async (
  req,
  res,
  properties = '',
  filter = {},
  masterFilter = {}
) => {
  const result = await listObjectsByProperties({
    model: fulfillmentPolicyModel,
    properties,
    filter,
    masterFilter,
    populate: FULFILLMENT_POLICY_POPULATE,
  });

  if (result?.error) {
    logger.error('Error listing fulfillment policies.');
    res.status(result.code).send(result);
    return;
  }

  logger.debug(`List of fulfillment policies. Count: ${result.length}`);
  res.send(result);
};

export const getFulfillmentPolicyPropertyValuesRouteHandler = async (
  req,
  res,
  property,
  filter,
  masterFilter
) => {
  const result = await getPropertyValues({
    model: fulfillmentPolicyModel,
    property,
    filter: { ...filter, ...masterFilter },
  });
  res.send(result);
};

export const searchFulfillmentPoliciesRouteHandler = async (req, res, search) => {
  const result = await searchObjects({
    model: fulfillmentPolicyModel,
    search,
    populate: FULFILLMENT_POLICY_POPULATE,
  });
  res.send(result);
};

export const getFulfillmentPolicyRouteHandler = async (req, res) => {
  const id = req.params.id;
  const result = await getObject({
    model: fulfillmentPolicyModel,
    id,
    populate: FULFILLMENT_POLICY_POPULATE,
  });
  if (result?.error) {
    logger.warn('Fulfillment policy not found with supplied id.');
    return res.status(result.code).send(result);
  }
  logger.debug(`Retrieved fulfillment policy with ID: ${id}`);
  res.send(result);
};

export const editFulfillmentPolicyRouteHandler = async (req, res) => {
  const id = new mongoose.Types.ObjectId(req.params.id);
  const result = await editObject({
    model: fulfillmentPolicyModel,
    id,
    updateData: { updatedAt: new Date(), ...policyFields(req.body) },
    user: req.user,
    populate: FULFILLMENT_POLICY_POPULATE,
  });

  if (result.error) {
    logger.error('Error editing fulfillment policy:', result.error);
    res.status(result.code).send(result);
    return;
  }

  logger.debug(`Edited fulfillment policy with ID: ${id}`);
  const synced = await startPolicyMarketplaceSync({
    policy: result,
    user: req.user,
    syncFn: syncFulfillmentPolicy,
    logger,
    model: fulfillmentPolicyModel,
    populate: FULFILLMENT_POLICY_POPULATE,
  });
  res.send(synced || result);
};

export const newFulfillmentPolicyRouteHandler = async (req, res) => {
  const result = await newObject({
    model: fulfillmentPolicyModel,
    newData: { updatedAt: new Date(), ...policyFields(req.body) },
    user: req.user,
  });
  if (result.error) {
    logger.error('No fulfillment policy created:', result.error);
    return res.status(result.code).send(result);
  }

  logger.debug(`New fulfillment policy with ID: ${result._id}`);
  res.send(result);
};

export const deleteFulfillmentPolicyRouteHandler = async (req, res) => {
  const id = new mongoose.Types.ObjectId(req.params.id);
  const result = await deleteObject({
    model: fulfillmentPolicyModel,
    id,
    user: req.user,
  });
  if (result.error) {
    logger.error('No fulfillment policy deleted:', result.error);
    return res.status(result.code).send(result);
  }

  logger.debug(`Deleted fulfillment policy with ID: ${result._id}`);
  res.send(result);
};

export const getFulfillmentPolicyStatsRouteHandler = async (req, res) => {
  const result = await getModelStats({ model: fulfillmentPolicyModel });
  if (result?.error) {
    logger.error('Error fetching fulfillment policy stats:', result.error);
    return res.status(result.code).send(result);
  }
  res.send(result);
};

export const getFulfillmentPolicyHistoryRouteHandler = async (req, res) => {
  const from = req.query.from;
  const to = req.query.to;
  const result = await getModelHistory({ model: fulfillmentPolicyModel, from, to });
  if (result?.error) {
    logger.error('Error fetching fulfillment policy history:', result.error);
    return res.status(result.code).send(result);
  }
  res.send(result);
};

export const getFulfillmentPolicyNeighborsRouteHandler = async (
  req,
  res,
  property = '',
  filter = {},
  search = '',
  sort = '',
  order = 'ascend',
  id
) => {
  if (!id) {
    return res.status(400).send({ error: 'Missing id parameter', code: 400 });
  }

  const result = await getObjectNeighbors({
    model: fulfillmentPolicyModel,
    id,
    filter,
    search,
    sort,
    order,
  });

  if (result?.error) {
    logger.error('Error fetching fulfillmentPolicy neighbors.');
    return res.status(result.code).send(result);
  }

  res.send(result);
};