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

const jsPath = path.join(__dirname, 'assets/js/main.js');
let jsCode = fs.readFileSync(jsPath, 'utf8');

// Replace the icon logic
jsCode = jsCode.replace(
    /audioBtn\.innerHTML = '<i class="bi bi-volume-up"><\/i>';/g,
    `audioBtn.innerHTML = '<i class="bi bi-megaphone-fill text-success"></i>';`
).replace(
    /audioBtn\.innerHTML = '<i class="bi bi-volume-mute"><\/i>';/g,
    `audioBtn.innerHTML = '<i class="bi bi-megaphone"></i>';`
);

// Add logic to test sound when audio is enabled
const repl1 = `if (nextState) {
                    initAudio();
                    if ('speechSynthesis' in window) {
                        const primeUtterance = new SpeechSynthesisUtterance('');
                        window.speechSynthesis.speak(primeUtterance);
                    }
                }`;
const repl2 = `if (nextState) {
                    initAudio();
                    if ('speechSynthesis' in window) {
                        const primeUtterance = new SpeechSynthesisUtterance('');
                        window.speechSynthesis.speak(primeUtterance);
                    }
                    
                    // Force latest announcement to replay
                    const cards = Array.from(document.querySelectorAll('.announcement-card'));
                    const latest = cards[0];
                    if (latest) {
                        const storageKey = 
`hospitalQueue:lastAnnouncement:${locale}
`;
                        window.localStorage.removeItem(storageKey);
                        setTimeout(checkAnnouncements, 200);
                    }
                }`;
jsCode = jsCode.replace(repl1, repl2);

// Make sure speech synthesis gets voices early, and handle fallback properly
const oldVoiceLogic = `if (langVoices.length > 0) {
                                        // Try to find a high-quality (Google/Microsoft Natural) voice
                                        const bestVoice = langVoices.find(v => 
                                            v.name.includes('Google') || 
                                            v.name.includes('Natural') || 
                                            v.name.includes('Premium') || 
                                            v.name.includes('Online')
                                        ) || langVoices.find(v => v.name.includes('Microsoft')) || langVoices[0];
                                        
                                        utterance.voice = bestVoice;
                                    }`;

const newVoiceLogic = `if (langVoices.length > 0) {
                                        // Try to find a high-quality (Google/Microsoft Natural) voice
                                        const bestVoice = langVoices.find(v => 
                                            v.name.includes('Google') || 
                                            v.name.includes('Natural') || 
                                            v.name.includes('Premium') || 
                                            v.name.includes('Online')
                                        ) || langVoices.find(v => v.name.includes('Microsoft')) || langVoices[0];
                                        
                                        utterance.voice = bestVoice;
                                    } else if (voices.length > 0) {
                                        // Fallback to any available voice to ensure sound plays
                                        utterance.voice = voices[0];
                                    }`;

jsCode = jsCode.replace(oldVoiceLogic, newVoiceLogic);

// Call getVoices early
if (!jsCode.includes('window.speechSynthesis.getVoices();')) {
    jsCode = jsCode.replace(
        `document.addEventListener('DOMContentLoaded', () => {`,
        `document.addEventListener('DOMContentLoaded', () => {
    if ('speechSynthesis' in window) {
        window.speechSynthesis.onvoiceschanged = () => { window.speechSynthesis.getVoices(); };
        window.speechSynthesis.getVoices();
    }`
    );
}

fs.writeFileSync(jsPath, jsCode);
console.log('patched');