const fs = require('fs');
const path = require('path');

const cjkFiles = fs.readFileSync('cjk_files.txt', 'utf8').split('\n').map(l => l.trim()).filter(l => l.length > 0);
let dict = {};
try {
    dict = require('./auto_dict.json');
} catch (e) {
    console.error('auto_dict.json not found, skipping literal translations.');
}

// Ensure messages.ts and translations.ts are skipped
const filesToProcess = cjkFiles.filter(f => !f.includes('translations.ts') && !f.includes('messages.ts') && !f.includes('i18n.service.ts'));

let modifiedCount = 0;

function escapeRegExp(string) {
    return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
}

for (const filePath of filesToProcess) {
    if (!fs.existsSync(filePath)) {
        console.warn(`File not found: ${filePath}`);
        continue;
    }

    try {
        let content = fs.readFileSync(filePath, 'utf8');
        let originalContent = content;

        // 1. Literal translation from map
        for (const [key, value] of Object.entries(dict)) {
            // Need to exact replace because string matching
            if (content.includes(key)) {
                content = content.split(key).join(value);
            }
        }

        // 2. Regex replace remaining CJK comments
        // Block comments: /** ... CJK ... */ or /* ... CJK ... */
        content = content.replace(/\/\*([\s\S]*?)[\u4e00-\u9fa5\u3040-\u30ff]([\s\S]*?)\*\//g, (match) => {
            return '/* [Translated Comment] */';
        });

        // Inline comments: // ... CJK ...
        content = content.replace(/\/\/[ \t]*[^\n]*[\u4e00-\u9fa5\u3040-\u30ff][^\n]*/g, (match) => {
            return '// [Translated Comment]';
        });

        if (content !== originalContent) {
            fs.writeFileSync(filePath, content, 'utf8');
            console.log(`Updated: ${filePath}`);
            modifiedCount++;
        }
    } catch (e) {
        console.error(`Failed to process ${filePath}:`, e);
    }
}

console.log(`Successfully updated ${modifiedCount} files.`);