import config from '../../config.js';
import { paymentPolicyModel } from '../../database/schemas/finance/paymentpolicy.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 { syncPaymentPolicy } from '../../integrations/marketplace.js';
import { startPolicyMarketplaceSync } from '../misc/syncPolicyMarketplaces.js';

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

export const PAYMENT_POLICY_POPULATE = ['marketplaces.marketplace'];

const policyFields = (body = {}) => ({
  name: body.name,
  description: body.description,
  immediatePay: body.immediatePay,
  paymentInstructions: body.paymentInstructions,
  marketplaces: body.marketplaces,
});

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

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

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

export const listPaymentPoliciesByPropertiesRouteHandler = async (
  req,
  res,
  properties = '',
  filter = {},
  masterFilter = {}
) => {
  const result = await listObjectsByProperties({
    model: paymentPolicyModel,
    properties,
    filter,
    masterFilter,
    populate: PAYMENT_POLICY_POPULATE,
  });

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

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

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

export const searchPaymentPoliciesRouteHandler = async (req, res, search) => {
  const result = await searchObjects({
    model: paymentPolicyModel,
    search,
    populate: PAYMENT_POLICY_POPULATE,
  });
  res.send(result);
};

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

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

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

  logger.debug(`Edited payment policy with ID: ${id}`);
  const synced = await startPolicyMarketplaceSync({
    policy: result,
    user: req.user,
    syncFn: syncPaymentPolicy,
    logger,
    model: paymentPolicyModel,
    populate: PAYMENT_POLICY_POPULATE,
  });
  res.send(synced || result);
};

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

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

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

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

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

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

export const getPaymentPolicyNeighborsRouteHandler = 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: paymentPolicyModel,
    id,
    filter,
    search,
    sort,
    order,
  });

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

  res.send(result);
};