const axios = require('axios');

class TrueCaller {
    constructor({ phone, countryCode }) {
        if (isNaN(phone)) throw new Error('Invalid number input');
        if (!countryCode) throw new Error('Country code is required');
        
        this.phone = parseInt(phone);
        this.countryCode = countryCode;
        this.sessionId = null;
        this.token = null;
    }
    
    login = async function () {
        try {
            const { data } = await axios.post('https://asia-south1-truecaller-web.cloudfunctions.net/webapi/noneu/auth/truecaller/v1/send-otp', {
                phone: this.phone,
                countryCode: this.countryCode
            }, {
                headers: {
                    accept: '*/*',
                    'content-type': 'application/json',
                    origin: 'https://www.truecaller.com',
                    referer: 'https://www.truecaller.com/',
                    'user-agent': 'Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Mobile Safari/537.36'
                }
            });
            
            this.sessionId = data.sessionId;
            return data.sessionId;
        } catch (error) {
            throw new Error(error.message);
        }
    }
    
    sendOtp = async function (otp) {
        try {
            if (!otp) throw new Error('Otp is required');
            if (!this.sessionId) throw new Error('Please login first');
            
            const { data } = await axios.post('https://asia-south1-truecaller-web.cloudfunctions.net/webapi/noneu/auth/truecaller/v1/verify-otp', {
                sessionId: this.sessionId,
                verificationCode: otp,
                phone: this.phone,
                countryCode: this.countryCode
            }, {
                headers: {
                    accept: '*/*',
                    'content-type': 'application/json',
                    origin: 'https://www.truecaller.com',
                    referer: 'https://www.truecaller.com/',
                    'user-agent': 'Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Mobile Safari/537.36'
                }
            });
            
            this.token = data.accessToken;
            return data.accessToken;
        } catch (error) {
            throw new Error(error.message);
        }
    }
    
    checkNumber = async function (phone, countryCode = 'id') {
        try {
            if (!this.token) throw new Error('Login first');
            if (isNaN(phone)) throw new Error('Phone number is required');
            
            const { data } = await axios.get('https://asia-south1-truecaller-web.cloudfunctions.net/webapi/noneu/search/v2', {
                headers: {
                    accept: '*/*',
                    authorization: `Bearer ${this.token}`,
                    'content-type': 'application/json',
                    origin: 'https://www.truecaller.com',
                    referer: 'https://www.truecaller.com/',
                    'user-agent': 'Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Mobile Safari/537.36'
                },
                params: {
                    q: phone,
                    countryCode: countryCode,
                    type: '44'
                }
            });
            
            return data;
        } catch (error) {
            throw new Error(error.message);
        }
    }
}

// Usage:
const t = new TrueCaller({ phone: '62xxx', countryCode: 'id' });
const resp = await t.login();
console.log(resp);