import scrapy
from scrapy.spiders import CrawlSpider, Rule
from scrapy.linkextractors import LinkExtractor
import re
from items import MovieItem, Description


class FinaSpider(CrawlSpider):
    name = 'repozytorium.fn.org.pl'
    start_urls = ['http://repozytorium.fn.org.pl/?q=pl/fnsearch/film_index/a']

    rules = (
        # Extract link from index of titles
        Rule(LinkExtractor(restrict_xpaths='//*[@id="content"]/div/div[2]')),

        # Extract links with movie titles
        Rule(LinkExtractor(restrict_xpaths='//*[@id="content"]/div/div[4]/div', deny='\?q=pl\/search\/site'), callback='parse_item'),

        Rule(LinkExtractor(restrict_xpaths='//*[@id="content"]/div/div[4]/div', allow='\?q=pl\/search\/site')),

        Rule(LinkExtractor(restrict_xpaths='//*[@id="fntiles_page_search_0"]'), callback='parse_item')
    )
    custom_settings = {
        'FEED_EXPORT_ENCODING': 'utf-8'
    }


    def parse_item(self, response):

        def getMp4(text):
            x = re.findall('file: encodeURI\("(.+?\.mp4)"\)',text)
            return x
        
        cleanHtml = re.compile('<.*?>')
        cleanPuncSpace = re.compile(': $')

        item = MovieItem()
        item['title'] = response.xpath('//*[@id="block-fnfilm-fnfilm"]/div/div[1]/div/div/span/text()').get()
        item['mp4'] = getMp4(response.xpath('//*[@id="block-fnfilm-fnfilm"]/div/div[2]/div/script/text()').get())
        item['url'] = response.url

        desc = Description()
        desc['fullTitle'] = response.xpath('//*[@id="block-fnfilm-fnfilm"]/div/div[3]/div/div[2]/span[2]/text()').get()
        desc['desc'] = response.xpath('//*[@id="content"]/div[3]/article/div[1]/div/div[2]/div[1]/div/div[2]/span/p/text()').get()
        desc['date'] = response.xpath('//*[@id="block-fnfilm-fnfilm"]/div/div[3]/div/div[3]/span[2]/text()').get()

        seq = {}
        for row in response.xpath('//*[@id="content"]/div[3]/article/div[1]/div/div[2]/div[2]/div/div/table/tr'):
            seq[ row.xpath('td[1]/span/text()').get() ] = row.xpath('td[2]/span/text()').get()

        desc['sequence'] = dict(seq)

        det = {}
        for div in response.xpath('//*[@id="content"]/div[3]/article/div[1]/div/div[2]/div[1]/div/div[4]/div[contains(@class,"fncustom_field")]'):
            key = re.sub(cleanHtml, '', div.xpath('span[1]').extract_first())
            key = re.sub(cleanPuncSpace, '', key)
            val = re.sub(cleanHtml, '', div.xpath('span[2]').extract_first())
            det[ key ] = val
        
        desc['details'] = dict(det)
        
        item['description'] = dict(desc)
        
        return item