process.env.FFMPEG_PATH = require('ffmpeg-static');
require('opusscript');
require('libsodium-wrappers');
const { Client, GatewayIntentBits, SlashCommandBuilder, Routes } = require('discord.js');
const { joinVoiceChannel, createAudioPlayer, createAudioResource, StreamType, getVoiceConnection } = require('@discordjs/voice');
const fs = require('fs');
const path = require('path');
const { REST } = require('@discordjs/rest');

// Load Config
const configPath = path.join(__dirname, 'data/config.json');
const config = JSON.parse(fs.readFileSync(configPath, 'utf8'));
const token = config.discord_token;

const client = new Client({
    intents: [GatewayIntentBits.Guilds, GatewayIntentBits.GuildVoiceStates]
});

const player = createAudioPlayer();

// Monitoring Status
player.on('stateChange', (oldState, newState) => {
    console.log(`Status Player: ${newState.status}`);
});

player.on('error', error => {
    console.log('ERROR AUDIO:', error.message);
});

client.on('ready', async () => {
    console.log(`Bot Sahur Online: ${client.user.tag}`);
    
    const commands = [
        new SlashCommandBuilder().setName('join').setDescription('Perintah untuk bot masuk ke Voice Channel'),
        new SlashCommandBuilder().setName('testsahur').setDescription('Perintah untuk memutar suara alarm sahur')
    ].map(cmd => cmd.toJSON());

    const rest = new REST({ version: '10' }).setToken(token);
    try {
        await rest.put(Routes.applicationCommands(client.user.id), { body: commands });
        console.log('Slash Commands Berhasil Didaftarkan.');
    } catch (err) {
        console.error('Gagal daftar command:', err);
    }
});

client.on('interactionCreate', async interaction => {
    if (!interaction.isChatInputCommand()) return;

    // 1. PERINTAH JOIN (Hanya Masuk)
    if (interaction.commandName === 'join') {
        await interaction.deferReply();
        const channel = interaction.member.voice.channel;
        
        if (!channel) {
            return interaction.editReply('❌ Kamu harus masuk ke Voice Channel dulu!');
        }

        const connection = joinVoiceChannel({
            channelId: channel.id,
            guildId: interaction.guildId,
            adapterCreator: interaction.guild.voiceAdapterCreator,
            selfDeaf: false,
            selfMute: false,
            debug: true
        });

        // Keep-Alive Logic
        connection.on('stateChange', (oldState, newState) => {
            if (newState.status === 'disconnected') {
                console.log('Bot terputus, mencoba masuk kembali...');
                try {
                    joinVoiceChannel({
                        channelId: channel.id,
                        guildId: interaction.guildId,
                        adapterCreator: interaction.guild.voiceAdapterCreator,
                        selfDeaf: false,
                        selfMute: false
                    });
                } catch (e) {
                    console.log('Gagal rejoin:', e.message);
                }
            }
        });

        console.log('Bot masuk voice!');
        await interaction.editReply('✅ Bot sudah masuk ke Voice Channel. Siap untuk /testsahur!');
    }

    // 2. PERINTAH TESTSAHUR (Auto-Join & Play)
    if (interaction.commandName === 'testsahur') {
        await interaction.deferReply();
        
        let connection = getVoiceConnection(interaction.guildId);
        const channel = interaction.member.voice.channel;

        // Auto-Reconnect: Jika tidak ada koneksi, join dulu
        if (!connection) {
            if (!channel) {
                return interaction.editReply('❌ Bot tidak di VC dan kamu juga tidak di VC. Join VC dulu!');
            }
            
            console.log('Connection tidak ditemukan, mencoba auto-join...');
            connection = joinVoiceChannel({
                channelId: channel.id,
                guildId: interaction.guildId,
                adapterCreator: interaction.guild.voiceAdapterCreator,
                selfDeaf: false,
                selfMute: false
            });
        }

        try {
            const audioPath = path.join(process.cwd(), 'assets', 'audio', 'sahur.mp3');
            console.log('Membaca file audio di:', audioPath);
            
            if (!fs.existsSync(audioPath)) {
                return interaction.editReply('❌ File audio tidak ditemukan!');
            }

            const resource = createAudioResource(audioPath, { 
                inputType: StreamType.Arbitrary, 
                inlineVolume: true 
            });
            
            resource.volume.setVolume(1.5);
            connection.subscribe(player);
            player.play(resource);
            
            console.log('Kabel audio tersambung dan suara diputar!');
            await interaction.editReply('🔊 Sedang memutar alarm sahur (Auto-Connect Aktif)...');
        } catch (error) {
            console.log('ERROR AUDIO:', error.message);
            await interaction.editReply('❌ Terjadi kesalahan: ' + error.message);
        }
    }
});

client.login(token);