#!/usr/bin/env node
// Adds infobox parameters for Viera and Hrothgar hat compatibility based on
// data compiled by Crye. Expects there to be a `hats.csv` file in the repo root
// which is an export of the "HEAD" sheet of this Google Sheets document:
// https://docs.google.com/spreadsheets/d/13s_qxWThsensslulLfAxN0-hzQZVCqS9fKaImlLXbVU/edit?gid=38787585#gid=38787585

import {readFileSync} from 'node:fs';
import {join} from 'node:path';

import {getMediawikiClient} from '../../lib/config.js';
import {diff} from '../../lib/util/diff.js';
import {addParameterAtBottom, setExistingParameter} from '../../lib/util/template-parameters.js';

const mw = await getMediawikiClient();

// parse CSV, naively assume there are no quotes or backslashes (because i checked)
const data = readFileSync(join(import.meta.dirname, '../../hats.csv'), 'utf-8').split(/\r?\n/g).map(line => line && line.split(','));
console.log(data.slice(0, 1));
const headers = data.splice(0, 1)[0];
const COL_ITEM = headers.findIndex(field => field.toLowerCase() === 'item');
const COL_VIERA = headers.findIndex(field => field.toLowerCase().includes('viera'));
const COL_HROTH = headers.findIndex(field => field.toLowerCase().includes('hrothgar'));

console.log('Processing', data.length, 'items');

for (const line of data) {
	const item = line[COL_ITEM];
	const params = {
		'display-on-viera': line[COL_VIERA].toLowerCase() === 'yes' ? 'y' : 'n',
		'display-on-hrothgar': line[COL_HROTH].toLowerCase() === 'yes' ? 'y' : 'n',
	}
	console.log(item, params);

	// read and apply updates
	const pageContent = await mw.readPage(item);
	let newPageContent = pageContent;
	try {
		for (const [paramName, paramValue] of Object.entries(params)) {
			newPageContent = setExistingParameter(newPageContent, paramName, paramValue)
				?? addParameterAtBottom(newPageContent, paramName, paramValue);

			if (!newPageContent) {
				console.log(pageContent);
				throw new Error('adding parameter to the page failed');
			}
		}
	} catch (error) {
		console.error(error);
		console.log('skipping this item');
		continue;
	}

	if (newPageContent === pageContent) {
		// no changes
		console.log('No changes, skipping');
		continue;
	}

	diff(pageContent, newPageContent);

	// write
	try {
		await mw.editPage(item, newPageContent, 'Add Hrothgar/Viera headwear data');
	} catch (error) {
		console.error('Failed to write:', error);
		process.exit(1);
	}
	console.log('Written.');
}

console.log('done!');