import { 
  I18nGenerator, 
  I18nValidator, 
  I18nRuntime, 
  StringExtractor, 
  CoverageStats 
} from '@theluckystrike/webext-i18n';

// Generate _locales/messages.json from a translation object
const translations = {
  en: {
    extension_name: 'My Extension',
    greeting: 'Hello, {name}!',
    items_count: 'You have {count, plural, =0 {no items} one {# item} other {# items}}'
  },
  es: {
    extension_name: 'Mi Extensión',
    greeting: '¡Hola, {name}!',
    items_count: 'Tienes {count, plural, =0 {ningún elemento} one {# elemento} other {# elementos}}'
  },
  fr: {
    extension_name: 'Mon Extension',
    greeting: 'Bonjour, {name} !',
    items_count: 'Vous avez {count, plural, =0 {aucun élément} one {# élément} other {# éléments}}'
  }
};

// Generate all locale files
I18nGenerator.generate(translations, './my-extension');

// Or generate a single locale
I18nGenerator.generateLocale('de', translations.de, './my-extension');

// Validate all locales in an extension
const result = I18nValidator.validate('./my-extension');

if (result.valid) {
  console.log('All locales are valid!');
} else {
  console.error('Validation failed:', result.errors);
}

// Result shape:
interface ValidationResult {
  valid: boolean;
  errors: string[];
  warnings: string[];
  locales: string[];
  files: Map<string, MessageEntry[]>;
}

// Extract i18n keys from TypeScript/JavaScript/HTML files
const keys = StringExtractor.extractFromFiles('./src');
console.log(`Found ${keys.length} keys:`, keys);

// Find unused keys (compares against source)
const unused = StringExtractor.findUnused('./my-extension');
console.log('Unused keys:', unused);

// Supported patterns:
const customPatterns = StringExtractor.extractWithPatterns(
  './src',
  [/t\(['"`]([^'"`]+)['"`]\)/g]  // Custom i18n function
);

// Get detailed coverage stats
const stats = CoverageStats.getStats('./my-extension');

console.log(stats);
/*
{
  locales: {
    en: { total: 142, covered: 142, missing: [], percentage: 100 },
    es: { total: 142, covered: 140, missing: ['key1', 'key2'], percentage: 98.6 },
    ...
  },
  overall: { totalKeys: 142, totalLocales: 6, avgCoverage: 98.2 }
}
*/

// Get a summary string
console.log(CoverageStats.getSummary('./my-extension'));

import { I18nRuntime } from '@theluckystrike/webext-i18n';

// Pluralization support
const label = I18nRuntime.plural(count, 'item', 'items');
// count=1 → "1 item"
// count=5 → "5 items"
// count=0 → "no items"

// Simple message with placeholders
const greeting = I18nRuntime.format('Hello, {name}!', { name: 'World' });

// Load translations for runtime use
I18nRuntime.loadTranslations('./my-extension/_locales/en/messages.json');
const msg = I18nRuntime.t('greeting', { name: 'Alice' });