/**
 * One-off: add `texts.label` to a list of morfos + corresponding entry in the
 * langs catalog. Used to batch-fix passive components missing A-1.3 in the
 * audit.
 */

import { readFileSync, writeFileSync } from 'node:fs';
import { join, dirname } from 'node:path';
import { fileURLToPath } from 'node:url';

const HERE = dirname(fileURLToPath(import.meta.url));
const REPO = join(HERE, '..');
const MORFO_DIR = join(REPO, 'src', 'uix', 'morfo', 'components');
const LANGS_DIR = join(REPO, 'src', 'uix', 'langs', 'components');

interface Entry {
	kebab: string;
	label: { es: string; en: string };
}

const BATCH: Entry[] = [
	{ kebab: 'alert-dialog', label: { es: 'Diálogo de alerta', en: 'Alert dialog' } },
	{ kebab: 'clipboard', label: { es: 'Portapapeles', en: 'Clipboard' } },
	{ kebab: 'color-picker', label: { es: 'Selector de color', en: 'Color picker' } },
	{ kebab: 'link-preview', label: { es: 'Vista previa de enlace', en: 'Link preview' } },
	{ kebab: 'pin-input', label: { es: 'Código PIN', en: 'PIN input' } },
	{ kebab: 'scroll-area', label: { es: 'Área desplazable', en: 'Scroll area' } },
	{ kebab: 'date-range-field', label: { es: 'Rango de fechas', en: 'Date range field' } },
	{ kebab: 'virtual-grid', label: { es: 'Cuadrícula virtual', en: 'Virtual grid' } },
	{ kebab: 'virtual-list', label: { es: 'Lista virtual', en: 'Virtual list' } },
	{ kebab: 'time-picker', label: { es: 'Selector de hora', en: 'Time picker' } },
	{ kebab: 'time-range-field', label: { es: 'Rango de horas', en: 'Time range field' } },
	{ kebab: 'time-range-picker', label: { es: 'Selector de rango de horas', en: 'Time range picker' } }
];

function addLabelToMorfo(kebab: string): boolean {
	const path = join(MORFO_DIR, `${kebab}.ts`);
	const src = readFileSync(path, 'utf8');
	if (src.includes(`#?components.${kebab}.label`)) return false; // already has it
	// Find `texts: {` block
	const m = src.match(/^\ttexts:\s*\{/m);
	if (m) {
		// Insert label as first entry
		const insertAt = m.index! + m[0].length;
		const labelLine = `\n\t\tlabel: '#?components.${kebab}.label|${kebab[0].toUpperCase()}${kebab.slice(1).replace(/-(.)/g, (_, c) => ' ' + c.toUpperCase())}',`;
		const next = src.slice(0, insertAt) + labelLine + src.slice(insertAt);
		writeFileSync(path, next, 'utf8');
		return true;
	}
	// No texts block — insert one after `scope:` line
	const scopeRe = /(\n\tscope:\s*\[[^\]]+\],?\n)/;
	const sm = src.match(scopeRe);
	if (!sm) {
		console.error(`No scope: line in ${path}`);
		return false;
	}
	const label = `\tscope: [...},\n\ttexts: {\n\t\tlabel: '#?components.${kebab}.label|Generated'\n\t},\n`;
	// Simpler: locate the kebab line and insert texts after it
	const kebabRe = new RegExp(`(\\n\\tkebab:\\s*'${kebab}'.*?\\n)`);
	const km = src.match(kebabRe);
	if (!km) {
		console.error(`No kebab: '${kebab}' line`);
		return false;
	}
	// Find next significant property after scope to anchor insert
	const scopeEndRe = /\tscope:\s*\[[^\]]+\][^\n]*\n/;
	const sem = src.match(scopeEndRe);
	if (!sem) return false;
	const start = sem.index! + sem[0].length;
	const camel = kebab[0].toUpperCase() + kebab.slice(1).replace(/-(.)/g, (_, c) => ' ' + c.toUpperCase());
	const textsBlock = `\ttexts: {\n\t\tlabel: '#?components.${kebab}.label|${camel}'\n\t},\n`;
	const next = src.slice(0, start) + textsBlock + src.slice(start);
	writeFileSync(path, next, 'utf8');
	return true;
}

function kebabToCamel(kebab: string): string {
	return kebab.replace(/-([a-z])/g, (_, c) => c.toUpperCase());
}

function addLabelToLangs(entry: Entry): boolean {
	const path = join(LANGS_DIR, `${entry.kebab}.ts`);
	const camel = kebabToCamel(entry.kebab);
	let src: string;
	try {
		src = readFileSync(path, 'utf8');
	} catch {
		// Create new langs file
		src = `import type { LangNode } from '$libs/langs';\n\n/**\n * Default strings for the ${entry.kebab} component. Merged under\n * \`components.${entry.kebab}.*\` by \`ActiveUix\` (via \`componentLangs\` barrel).\n */\nexport const ${camel}Langs = {\n} satisfies LangNode;\n`;
		writeFileSync(path, src, 'utf8');
		console.log(`  + created ${path.replace(REPO, '')}`);
		// Re-read
		src = readFileSync(path, 'utf8');
		// Add to barrel
		addToBarrel(entry.kebab, camel);
	}
	if (/^\s*label:\s*\{/m.test(src)) return false; // already has it
	const exportRe = new RegExp(`(export const ${camel}Langs\\s*=\\s*\\{)`);
	const m = src.match(exportRe);
	if (!m) {
		console.error(`No export const ${camel}Langs in ${path}`);
		return false;
	}
	const insertAt = m.index! + m[0].length;
	const labelBlock = `\n\tlabel: {\n\t\tes: '${entry.label.es}',\n\t\ten: '${entry.label.en}'\n\t},`;
	const next = src.slice(0, insertAt) + labelBlock + src.slice(insertAt);
	writeFileSync(path, next, 'utf8');
	return true;
}

function addToBarrel(kebab: string, camel: string): void {
	const barrelPath = join(LANGS_DIR, 'index.ts');
	let src = readFileSync(barrelPath, 'utf8');
	if (src.includes(`from './${kebab}'`)) return;
	// Insert import in alphabetical-ish position by appending before last import
	const importLine = `import { ${camel}Langs } from './${kebab}';\n`;
	const lastImportMatch = [...src.matchAll(/^import .* from '\.\/[^']+';$/gm)].pop();
	if (lastImportMatch) {
		const insertAt = lastImportMatch.index! + lastImportMatch[0].length + 1;
		src = src.slice(0, insertAt) + importLine + src.slice(insertAt);
	}
	// Add entry to satisfies block — insert before closing brace
	const closeBraceMatch = src.match(/\n\} satisfies LangNode;/);
	if (closeBraceMatch) {
		const keyName = /^[a-zA-Z_$][a-zA-Z0-9_$]*$/.test(kebab) ? kebab : `'${kebab}'`;
		const entry = `\t${keyName}: ${camel}Langs,\n`;
		const insertAt = closeBraceMatch.index!;
		src = src.slice(0, insertAt) + entry + src.slice(insertAt);
	}
	writeFileSync(barrelPath, src, 'utf8');
	console.log(`  + barrel updated for ${kebab}`);
}

let added = 0;
for (const entry of BATCH) {
	const m = addLabelToMorfo(entry.kebab);
	const l = addLabelToLangs(entry);
	if (m || l) {
		console.log(`✓ ${entry.kebab}${m ? ' [morfo]' : ''}${l ? ' [langs]' : ''}`);
		added++;
	} else {
		console.log(`- ${entry.kebab} (already has label)`);
	}
}
console.log(`\nAdded labels to ${added}/${BATCH.length} components.`);