#!/usr/bin/env node

import {findItemEDBID} from '../lib/api/lodestone.js';
import {getMediawikiClient} from '../lib/config.js';
import {diff} from '../lib/util/diff.js';
import {
	addParameterBesideExistingParameter,
	setEmptyParameter,
} from '../lib/util/template-parameters.js';

/**
 * Inserts the `id-edb` item infobox parameter into the given page contents.
 * @param {string} pageContent
 * @param {string} edbID
 * @returns {string}
 */
function insertInfoboxEDBID (pageContent, edbID) {
	if (pageContent.includes(`id-edb = ${edbID}`)) {
		console.log('what????', pageContent);
		throw new Error('Page seems to already contain its own EDB ID??');
	}

	let result = setEmptyParameter(pageContent, 'id-edb', edbID)
		?? addParameterBesideExistingParameter(pageContent, 'id-edb', edbID, 'before', 'id-gt')
		?? addParameterBesideExistingParameter(pageContent, 'id-edb', edbID, 'after', 'release')
		?? addParameterBesideExistingParameter(pageContent, 'id-edb', edbID, 'after', 'patch');

	if (result == null) {
		throw new Error('Dunno how to insert the parameter into this page');
	}
	return result;
}

const mw = await getMediawikiClient();

// Get pages in the "Missing EDB ID" category from the main article namespace
const itemPagesWithoutEDBIDs = await mw.listCategoryPages('Category:Missing EDB ID', [0], +process.env.LIMIT || 500);
console.log('Processing', itemPagesWithoutEDBIDs.length, 'item pages from [[Category:Missing EDB ID]]\n');

for (const {title} of itemPagesWithoutEDBIDs) {
	// this runs serially with an artificial delay between requests to decrease
	// the chance of sqenix sending ninjas to my house
	await new Promise(resolve => setTimeout(resolve, 1000));

	console.log('Page:', title);
	// look up on EDB
	const edbID = await findItemEDBID(title);
	if (!edbID) {
		console.log('No EDB ID found for this item, skipping');
		continue;
	}
	console.log('EDB ID:', edbID, `(https://na.finalfantasyxiv.com/lodestone/playguide/db/item/${encodeURIComponent(edbID)})`);

	let originalText;
	try {
		originalText = await mw.readPage(title);
	} catch (error) {
		console.log('Error reading page:', error);
		continue;
	}

	// rewrite wiki page to include id-edb infobox parameter
	let updatedText;
	try {
		updatedText = insertInfoboxEDBID(originalText, edbID);
		diff(originalText, updatedText);
	} catch (error) {
		console.log('Error inserting parameter:', error);
		console.group('Bad page content:');
		console.log(originalText);
		console.groupEnd();
		console.log();
		continue;
	}

	// write the new stuff back to the wiki
	try {
		await mw.editPage(title, updatedText, "Add EDB item ID", true);
	} catch (error) {
		console.error(error);
		console.error('writes should not fail, this seems bad, dying now');
		process.exit(1);
	}
	console.log('Written.');
	console.log();
}

console.log('done!');