package main

import (
	"fmt"
	"net/http"
	"time"

	"github.com/PuerkitoBio/goquery"
)

type NvidiaParser struct {
}

func (this NvidiaParser) Parse() []*RssEntry {
	var result []*RssEntry

	resp, err := http.Get(this.RootUrl() + "/publications")
	if err != nil {
	}

	doc, err := goquery.NewDocumentFromResponse(resp)

	// parse articles and links
	doc.Find(".views-field-title").Each(func(i int, s *goquery.Selection) {
		link := s.Find("a")
		href, exists := link.Attr("href")
		if exists {
			result = append(result, &RssEntry{title: link.Text(), url: this.RootUrl() + href})
		}
	})

	// parse times
	for _, re := range result {
		resp, err := http.Get(re.url)
		if err != nil {
		}

		doc, err := goquery.NewDocumentFromResponse(resp)
		re.descripiton = doc.Find(".field--type-text-with-summary").Text()

		date, exists := doc.Find(".field--name-field-publication-date").Find("time").Attr("datetime")
		if exists {
			t, err := time.Parse(time.RFC3339, date)
			if err == nil {
				re.time = t
			}
		}

		fmt.Println(re.url)
	}

	return result
}

func (this NvidiaParser) Title() string {
	return "NVidia Research"
}

func (this NvidiaParser) Description() string {
	return "NVidia Research papers"
}

func (this NvidiaParser) RootUrl() string {
	return "https://research.nvidia.com"
}

func (this NvidiaParser) ImageUrl() string {
	return this.RootUrl() + "/themes/custom/nvidia/favicon.ico"
}

func (this NvidiaParser) ServerUrl() string {
	return "/nvidia"
}

func (this NvidiaParser) CacheName() string {
	return "NvidiaParser"
}

func (this NvidiaParser) CacheTimeout() int {
	return 7200
}