const axios = require('axios');

const Jawa = {
    translate: async (text, { from = 'indo', to = 'krama-alus' } = {}) => {
        try {
            if (!text) throw new Error('Text is required.');
            
            const languageMap = {
                'indo': 'id',
                'jawa': 'jw',
                'krama-lugu': 'kl',
                'krama-alus': 'ka',
                'ngoko': 'ng'
            };
            
            const fromCode = languageMap[from];
            const toCode = languageMap[to];
            
            if (!fromCode) throw new Error(`Invalid 'from' language: ${from}. Valid options: indo, jawa.`);
            if (!toCode) throw new Error(`Invalid 'to' language: ${to}. Valid options: indo, krama-lugu, krama-alus, ngoko.`);
            if (fromCode === 'id' && toCode === 'id') throw new Error('Cannot translate from indo to indo.');
            if (fromCode === 'jw' && toCode !== 'id') throw new Error('When translating from jawa, target must be indo.');
            
            const { data } = await axios.post('https://api.translatejawa.id/translate', {
                text: text.trim(),
                from: fromCode,
                to: toCode
            }, {
                headers: {
                    'content-type': 'application/json',
                    referer: 'https://translatejawa.id/',
                    'user-agent': 'Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Mobile Safari/537.36'
                }
            });
            
            return data.result;
        } catch (error) {
            throw new Error(error.message);
        }
    },
    
    aksara: async (text, { direction = 'toJavanese', withSpace = true, withMurda = true } = {}) => {
        try {
            if (!text) throw new Error('Text is required.');
            
            const validDirections = ['toJavanese', 'toLatin'];
            if (!validDirections.includes(direction)) throw new Error(`Invalid 'direction': ${direction}. Valid options: ${validDirections.join(', ')}.`);
            
            const { data } = await axios.post('https://aksarajawa.id/api/translate', {
                text: text.trim(),
                direction: direction,
                options: {
                    withSpace: withSpace,
                    withMurda: withMurda,
                    typeMode: true
                }
            }, {
                headers: {
                    'content-type': 'application/json',
                    referer: 'https://aksarajawa.id/',
                    'user-agent': 'Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Mobile Safari/537.36'
                }
            });
            
            return data.result;
        } catch (error) {
            throw new Error(error.message);
        }
    }
};

// Usage:
Jawa.aksara('sragen').then(console.log);