commit f1465a26a1cd01bb55d19511cfc632e9c7c2ab4d
Author: Kalle Carlbark <kalle.carlbark@kcbark.net>
Date:   Fri Aug 9 22:37:19 2019 +0200

    Initial commit.

diff --git a/hummhumm.go b/hummhumm.go
new file mode 100644
index 0000000..4bb532e
--- /dev/null
+++ b/hummhumm.go
@@ -0,0 +1,210 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	termui "github.com/gizak/termui/v3"
+	"github.com/gizak/termui/v3/widgets"
+	"io/ioutil"
+	"log"
+	//	"math"
+	"net/http"
+	"strconv"
+	"time"
+)
+
+type HnStories struct {
+	Stories []HnItem
+	Items   []int
+}
+type HnItem struct {
+	By          string `json:"by,omitempty"`
+	Descendants int    `json:"descendants,omitempty"`
+	Id          int    `json:"id,omitempty"`
+	Kids        []int  `json:"kids,omitempty"`
+	Score       int    `json:"score,omitempty"`
+	Added       int    `json:"time,omitempty"`
+	Title       string `json:"title,omitempty"`
+	Type        string `json:"type,omitempty"`
+	Url         string `json:"url,omitempty"`
+}
+
+const apiUrl string = "https://hacker-news.firebaseio.com/v0"
+
+func (h *HnStories) populateStories(numstories int, done chan bool, widget *widgets.Gauge) {
+	var item string
+	var itemUrl string
+	var counter int = 1
+	for _, id := range h.Items[:numstories] {
+		item = strconv.Itoa(id)
+		itemUrl = apiUrl + "/item/" + item + ".json"
+		timeout := time.Duration(5 * time.Second)
+		client := &http.Client{
+			Timeout: timeout,
+		}
+		request, err := http.NewRequest("GET", itemUrl, nil)
+		if err != nil {
+			log.Println(err)
+		}
+		response, err := client.Do(request)
+		if err != nil {
+			log.Println(err)
+		}
+		storydata, err := ioutil.ReadAll(response.Body)
+		if err != nil {
+			log.Println(err)
+		}
+
+		var item HnItem
+
+		json.Unmarshal(storydata, &item)
+
+		h.Stories = append(h.Stories, HnItem{
+			By:    item.By,
+			Id:    item.Id,
+			Added: item.Added,
+			Title: item.Title,
+			Type:  item.Type,
+			Url:   item.Url,
+			Kids:  item.Kids,
+		})
+		counter++
+		fcounter := float64(counter)
+		fnumstories := float64(numstories)
+		percentage := (fcounter / fnumstories) * 100
+		widget.Percent = int(percentage)
+		termui.Render(widget)
+	}
+	widget.Percent = 100
+	done <- true
+}
+func (h *HnStories) httpHNFetchIds(url string, done chan bool) {
+	timeout := time.Duration(5 * time.Second)
+	client := &http.Client{
+		Timeout: timeout,
+	}
+	request, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		log.Println(err)
+	}
+	response, err := client.Do(request)
+	if err != nil {
+		log.Println(err)
+	}
+	d := json.NewDecoder(response.Body)
+	err = d.Decode(&h.Items)
+	if err != nil {
+		log.Println(err)
+	}
+	done <- true
+}
+
+func (h *HnStories) httpHNDisplayStories(numstories int, done chan []string) {
+	counter := 1
+	var termuiitems []string
+	for _, item := range h.Stories[:numstories] {
+		itemstring := fmt.Sprintf("%-6s %-6s | %d comments", "["+strconv.Itoa(counter)+".](fg:white,bold)", "["+item.Title+"](fg:green)", len(item.Kids))
+		termuiitems = append(termuiitems, itemstring)
+		counter++
+	}
+	done <- termuiitems
+}
+
+func main() {
+	if err := termui.Init(); err != nil {
+		log.Fatalf("failed to initialize termui: %v", err)
+	}
+	defer termui.Close()
+	x, y := termui.TerminalDimensions()
+	tabpane := widgets.NewTabPane("[Y] Hacker News", "[L] Lobste.rs")
+	tabpane.SetRect(0, 0, x, 1)
+	tabpane.Border = false
+	g0 := widgets.NewGauge()
+	g0.Title = "Fetching Stories.."
+	g0.SetRect(0, 3, x, 6)
+	g0.BarColor = termui.ColorYellow
+	g0.LabelStyle = termui.NewStyle(termui.ColorBlue)
+	g0.BorderStyle.Fg = termui.ColorWhite
+	hnurl := apiUrl + "/topstories.json"
+	var a HnStories
+	var numstories = 10
+	done1 := make(chan bool, 10)
+	done2 := make(chan bool, 10)
+	g0.Percent = 1
+	termui.Render(g0)
+	go a.httpHNFetchIds(hnurl, done1)
+	<-done1
+	go a.populateStories(numstories, done2, g0)
+	<-done2
+	termui.Clear()
+	l := widgets.NewList()
+	//l.Title = "[Y] hacker news"
+	termuiitems := make(chan []string, numstories)
+	go a.httpHNDisplayStories(numstories, termuiitems)
+	l.Border = false
+	l.SetRect(0, 1, x, y)
+	l.Rows = <-termuiitems
+	l.TextStyle = termui.NewStyle(termui.ColorYellow)
+	l.WrapText = true
+	x, y = termui.TerminalDimensions()
+	renderTab := func() {
+		switch tabpane.ActiveTabIndex {
+		case 0:
+			termui.Render(tabpane, l)
+		}
+	}
+	termui.Render(tabpane, l)
+
+	previousKey := ""
+	uiEvents := termui.PollEvents()
+	for {
+		e := <-uiEvents
+		switch e.ID {
+		case "h":
+			tabpane.FocusLeft()
+			termui.Clear()
+			termui.Render(tabpane, l)
+			renderTab()
+		case "l":
+			tabpane.FocusRight()
+			termui.Clear()
+			termui.Render(tabpane, l)
+			renderTab()
+		case "q", "<C-c>":
+			return
+		case "j", "<Down>":
+			l.ScrollDown()
+		case "k", "<Up>":
+			l.ScrollUp()
+		case "<C-d>":
+			l.ScrollHalfPageDown()
+		case "<C-u>":
+			l.ScrollHalfPageUp()
+		case "<C-f>":
+			l.ScrollPageDown()
+		case "<C-b>":
+			l.ScrollPageUp()
+		case "g":
+			if previousKey == "g" {
+				l.ScrollTop()
+			}
+		case "<Home>":
+			l.ScrollTop()
+		case "G", "<End>":
+			l.ScrollBottom()
+		case "<Resize>":
+			payload := e.Payload.(termui.Resize)
+			l.SetRect(0, 1, payload.Width, payload.Height)
+			termui.Clear()
+			termui.Render(l)
+		}
+
+		if previousKey == "g" {
+			previousKey = ""
+		} else {
+			previousKey = e.ID
+		}
+
+		termui.Render(l, tabpane)
+	}
+}