#!/usr/bin/env node
'use strict';
const fs   = require('fs');
const path = require('path');

const iconMap = {
    'sunny':         'sun',
    'partly cloudy': 'cloud-sun',
    'cloudy':        'cloud',
    'foggy':         'cloud-fog',
    'drizzle':       'cloud-drizzle',
    'rain':          'cloud-rain',
    'snow':          'cloud-snow',
    'thunderstorm':  'cloud-lightning'
};

const wrapAttrs = 'width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"';

function buildSvg(iconName) {
    const src  = path.resolve(__dirname, '..', 'node_modules', 'lucide-static', 'icons', iconName + '.svg');
    const raw  = fs.readFileSync(src, 'utf8');
    const inner = raw
        .replace(/^[\s\S]*?<svg[^>]*>/, '')
        .replace(/<\/svg>[\s\S]*$/, '')
        .replace(/\s+/g, ' ')
        .trim();
    return `<svg ${wrapAttrs}>${inner}</svg>`;
}

const entries = Object.entries(iconMap);
const lines   = entries.map(([condition, iconName], i) => {
    const svg   = buildSvg(iconName).replace(/'/g, "\\'");
    const pad   = ' '.repeat(Math.max(0, 16 - condition.length));
    const comma = i < entries.length - 1 ? ',' : '';
    return `    '${condition}':${pad}'${svg}'${comma}`;
});

const twig = [
    '{# Auto-generated by scripts/gen-weather-icons.js — do not edit directly #}',
    '{% set weather_icons = {',
    ...lines,
    '} %}'
].join('\n') + '\n';

const dest = path.resolve(__dirname, '..', 'templates', 'partials', 'weather-icons.html.twig');
fs.writeFileSync(dest, twig);
console.log('Generated ' + path.relative(path.resolve(__dirname, '..'), dest));