#!/usr/bin/env -S node --env-file-if-exists=.env

import {findItemGTID} from '../lib/api/xivapi.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-gt` item infobox parameter into the given page contents.
 * @param {string} pageContent
 * @param {string} gtID
 * @returns {string}
 */
function insertInfoboxGTBID (pageContent, gtID) {
	if (pageContent.includes(`id-gt = ${gtID}`)) {
		console.log('what????', pageContent);
		throw new Error('Page seems to already contain its own GT ID??');
	}

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

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

const mw = await getMediawikiClient();

// TODO: update this to work with the new maintenance category hierarchy
// Get pages in the "Missing internal ID" category from the main article namespace
const itemPagesWithoutGTIDs = await mw.listCategoryPages('Category:Items with no internal ID specified', [0], +process.env.LIMIT || 500);
console.log('Processing', itemPagesWithoutGTIDs.length, 'item pages from [[Category:Items with no internal ID specified]]\n');

for (const page of itemPagesWithoutGTIDs) {
	const {title} = page;
	console.log('Page:', title);
	// look up on XIVAPI
	let gtID;
	try {
		gtID = await findItemGTID(title);
	} catch (error) {
		console.log('Error looking up item ID:', error);
	}
	if (!gtID) {
		console.log('No ID found for this item, skipping');
		continue;
	}
	console.log('GT ID:', gtID, `(https://garlandtools.org/db/#item/${encodeURIComponent(gtID)})`);

	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 = insertInfoboxGTBID(originalText, gtID);
		diff(originalText, updatedText, page);
	} 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 GT 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!');