import type { HttpContextContract } from '@ioc:Adonis/Core/HttpContext';
import { Client } from '@opensearch-project/opensearch';
import User from 'App/Models/User';
import Dataset from 'App/Models/Dataset';
import XmlModel from 'App/Library/XmlModel';
import { XMLBuilder } from 'xmlbuilder2/lib/interfaces';
import { create } from 'xmlbuilder2';
import { readFileSync } from 'fs';
import { transform } from 'saxon-js';
import type { ModelQueryBuilderContract } from '@ioc:Adonis/Lucid/Orm';

// Create a new instance of the client
const client = new Client({ node: 'http://localhost:9200' }); // replace with your OpenSearch endpoint

export default class DatasetsController {
    private proc;

    constructor() {
        this.proc = readFileSync('public/assets2/solr.sef.json');
        // Load the XSLT file
        // this.proc = readFileSync('public/assets2/datasetxml2oai.sef.json');
    }

    // public async index({}: HttpContextContract) {}
    public async index({ auth, request, inertia }: HttpContextContract) {
        const user = (await User.find(auth.user?.id)) as User;
        const page = request.input('page', 1);
        let datasets: ModelQueryBuilderContract<typeof Dataset, Dataset> = Dataset.query();

        // if (request.input('search')) {
        //     // users = users.whereRaw('name like %?%', [request.input('search')])
        //     const searchTerm = request.input('search');
        //     datasets.where('name', 'ilike', `%${searchTerm}%`);
        // }

        if (request.input('sort')) {
            type SortOrder = 'asc' | 'desc' | undefined;
            let attribute = request.input('sort');
            let sortOrder: SortOrder = 'asc';

            if (attribute.substr(0, 1) === '-') {
                sortOrder = 'desc';
                // attribute = substr(attribute, 1);
                attribute = attribute.substr(1);
            }
            datasets.orderBy(attribute, sortOrder);
        } else {
            // users.orderBy('created_at', 'desc');
            datasets.orderBy('id', 'asc');
        }

        // const users = await User.query().orderBy('login').paginate(page, limit);
        const myDatasets = await datasets
            .where('server_state', 'released')
            .orWhere((dQuery) => {
                dQuery
                    .whereIn('server_state', ['editor_accepted', 'rejected_reviewer', 'reviewed', 'published'])
                    .where('editor_id', user.id);
            })
            .preload('titles')
            .preload('user', (query) => query.select('id', 'login'))
            .paginate(page, 10);

        return inertia.render('Editor/Dataset/Index', {
            datasets: myDatasets.serialize(),
            filters: request.all(),
            can: {
                // create: await auth.user?.can(['dataset-submit']),
                receive: await auth.user?.can(['dataset-receive']),
                edit: await auth.user?.can(['dataset-editor-edit']),
                delete: await auth.user?.can(['dataset-editor-delete']),
            },
        });
    }

    public async receive({ request, inertia, response }: HttpContextContract) {
        const id = request.param('id');
        const dataset = await Dataset.query()
            .where('id', id)
            .preload('titles')
            .preload('descriptions')
            .preload('user', (builder) => {
                builder.select('id', 'login');
            })

            .firstOrFail();

        const validStates = ['released'];
        if (!validStates.includes(dataset.server_state)) {
            // session.flash('errors', 'Invalid server state!');
            return response
                .flash(
                    'warning',
                    `Invalid server state. Dataset with id ${id} cannot be received. Datset has server state ${dataset.server_state}.`,
                )
                .redirect()
                .back();
        }

        return inertia.render('Editor/Dataset/Receive', {
            dataset,
        });
    }

    public async create({}: HttpContextContract) {}

    public async store({}: HttpContextContract) {}

    public async show({}: HttpContextContract) {}

    public async edit({}: HttpContextContract) {}

    // public async update({}: HttpContextContract) {}
    public async update({ response }) {
        const id = 273; //request.param('id');
        const dataset = await Dataset.query().preload('xmlCache').where('id', id).firstOrFail();
        // add xml elements
        let xml = create({ version: '1.0', encoding: 'UTF-8', standalone: true }, '<root></root>');
        const datasetNode = xml.root().ele('Dataset');
        await this.createXmlRecord(dataset, datasetNode);
        // const domNode = await this.getDatasetXmlDomNode(dataset);
        // const xmlString = xml.end({ prettyPrint: true });

        // const data = request.only(['field1', 'field2']); // get it from xslt

        // Create an index with non-default settings.
        var index_name = 'tethys-features';

        const xmlString = xml.end({ prettyPrint: false });
        let doc = '';
        try {
            const result = await transform({
                // stylesheetFileName: `${config.TMP_BASE_DIR}/data-quality/rules/iati.sef.json`,
                stylesheetText: this.proc,
                destination: 'serialized',
                // sourceFileName: sourceFile,
                sourceText: xmlString,
                // stylesheetParams: xsltParameter,
                // logLevel: 10,
            });
            doc = result.principalResult;
        } catch (error) {
            return response.status(500).json({
                message: 'An error occurred while creating the user',
                error: error.message,
            });
        }

        // var settings = {
        //     settings: {
        //         index: {
        //             number_of_shards: 4,
        //             number_of_replicas: 3,
        //         },
        //     },
        // };
        // var test = await client.indices.create({
        //     index: index_name,
        //     body: settings,
        // });

        // var document = {
        //     title: 'Sample Document',
        //     authors: [
        //         {
        //             first_name: 'John',
        //             last_name: 'Doe',
        //         },
        //         {
        //             first_name: 'Jane',
        //             last_name: 'Smith',
        //         },
        //     ],
        //     year: '2018',
        //     genre: 'Crime fiction',
        // };

        // http://localhost:9200/datastets/_doc/1

        // var id = '1';

        try {
            // console.log(doc);
            let document = JSON.parse(`${doc}`);

            // https://opensearch.org/docs/2.1/opensearch/supported-field-types/geo-shape/
            // Define the new document
            // const document = {
            //     title: 'Your Document Name',
            //     id: dataset.publish_id,
            //     doctype: 'GIS',
            //     // "location" : {
            //     //     "type" : "point",
            //     //     "coordinates" : [74.00, 40.71]
            //     //   },
            //     geo_location: {
            //         type: 'linestring',
            //         coordinates: [
            //             [-77.03653, 38.897676],
            //             [-77.009051, 38.889939],
            //         ],
            //     },
            //     // geo_location: 'BBOX (71.0589, 74.0060, 42.3601, 40.7128)'
            //     // geo_location: {
            //     //     type: 'envelope',
            //     //     coordinates: [
            //     //         [13.0, 53.0],
            //     //         [14.0, 52.0],
            //     //     ], // Define your BBOX coordinates
            //     // },
            // };

            // Update the document
            var test = await client.index({
                id: dataset.publish_id?.toString(),
                index: index_name,
                body: document,
                refresh: true,
            });

            // Return the result
            return response.json(test.body);
        } catch (error) {
            // Handle any errors
            console.error(error);
            return response.status(500).json({ error: 'An error occurred while updating the data.' });
        }
    }

    public async destroy({}: HttpContextContract) {}

    public async syncOpensearch({}: HttpContextContract) {}

    private async createXmlRecord(dataset: Dataset, datasetNode: XMLBuilder) {
        const domNode = await this.getDatasetXmlDomNode(dataset);
        if (domNode) {
            datasetNode.import(domNode);
        }
    }

    private async getDatasetXmlDomNode(dataset: Dataset) {
        const xmlModel = new XmlModel(dataset);
        // xmlModel.setModel(dataset);
        xmlModel.excludeEmptyFields();
        xmlModel.caching = true;
        // const cache = dataset.xmlCache ? dataset.xmlCache : null;
        // dataset.load('xmlCache');
        if (dataset.xmlCache) {
            xmlModel.xmlCache = dataset.xmlCache;
        }

        // return cache.getDomDocument();
        const domDocument: XMLBuilder | null = await xmlModel.getDomDocument();
        return domDocument;
    }
}