const rq = require('request-promise')
const cheerio = require('cheerio')
const filters = {
    breaks: require('./filter/breaks'),
    spaces: require('./filter/spaces'),
    tags: require('./filter/tags'),
    trim: require('./filter/trim'),
}

const scraper = function(options, selector, filtersToApply, callbackSuccess, callbackError) {
    filtersToApply = filtersToApply || {}

    rq({
        uri: options.url,
        method: options.method || 'GET',
        simple: !(options.acceptAllStatus || false)
    })
        .then(function(body) {
            const $ = cheerio.load(body)
            let value = $(selector).html()

            for (let filter in filtersToApply) {
                value = filters[filter](value, filtersToApply[filter])
            }

            if (callbackSuccess) {
                callbackSuccess(value)
            }
        })
        .catch(function(error) {
            if (callbackError) {
                callbackError(error)
            }
        })
}

module.exports = scraper