let leRadio = [
  { "name": "Radio Spore", "stream": "https://stream.radiospore.oziosi.org:8003/spore.ogg" },
  { "name": "Radio Wombat", "stream": "https://s.streampunk.cc/wombat.ogg"},
  { "name": "RadioGramma", "stream": "https://stream.radiospore.oziosi.org:8003/radiogramma.ogg"},
  { "name": "RadioForte", "stream": "http://stream.s.streampunk.cc/player/RadioForte.ogg"},
  { "name": "RadioEustachio", "stream": "https://stream.radiospore.oziosi.org:8003/radioeustachio.ogg"}]
let playlist = []
let radio = document.querySelector("#radio");
leRadio = leRadio.map((r) => {
  r.stream  += "?" + Math.floor((Math.random() * 10000) + 1)
  return r
});
radio.src =  leRadio[0].stream
const playButton = document.querySelector("#play")
const nextButton = document.querySelector("#next")
const prevButton = document.querySelector("#prev")
const contents = document.querySelector("#contents")
const contentsButton = document.querySelector("#contents-button")
const volumeOn = document.querySelector("#volume-on")
const volumeOff = document.querySelector("#volume-off")
const showContentsEl = document.querySelector("#programmi-content")
const showListEl = document.querySelector("#programmi-lista")
let currentStatus
async function playPauseRadio() {
  try {
    if(radio.paused) {
      await radio.play();
    }
    else {
      await radio.pause();
    }
  }
  catch(err) {
    console.log(err);
  }
}
function onVolumeChange(e) {
  if(e.target.value == 0) {
    volumeOn.classList.add("hidden");
    volumeOff.classList.remove("hidden")
  }
  else {
    volumeOff.classList.add("hidden");   
    volumeOn.classList.remove("hidden")
  }
  radio.volume = e.target.value;
}
function setupTabs() {
  for(let el of document.querySelectorAll("#menu > input")){
    console.log(el)
    el.addEventListener('change', (e) => {
      for(let ce of document.querySelectorAll("#menu > input")) {
	if(ce.checked) {
	  document.querySelector("#"+ce.id.split('-').slice(1).join('-')).classList.remove("hidden")
	}
	else {
	  document.querySelector("#"+ce.id.split('-').slice(1).join('-')).classList.add("hidden")
	}
      }
    })
  }
}
function setupPlayer() {
  playButton.addEventListener("click", playPauseRadio, false);
  volumeOff.addEventListener("click", (e) => {
    volume.disabled = false;
    e.target.classList.add("hidden");
    volumeOn.classList.remove("hidden");
    radio.volume = volume.value;
  });
  volumeOn.addEventListener("click", (e) => {
    volume.disabled = true;
    e.target.classList.add("hidden");
    volumeOff.classList.remove("hidden");
    radio.volume = 0;
  });
  volume.addEventListener('change', onVolumeChange);
  contentsButton.addEventListener("click", (e) => {
    contents.hidden = !contents.hidden;
    e.target.classList.toggle("arrow-up");
  })
  let showBackToLive = () => {
    document.querySelector(".is-live").classList.add("hidden");
    document.querySelector(".back-to-live").classList.remove("hidden");
  }
  prevButton.addEventListener("click",(e) => {
    radio.currentTime -= 15;
    showBackToLive() 
  }, false)
  nextButton.addEventListener("click",(e) => {
    radio.currentTime += 15;
    showBackToLive() 
  }, false)

  radio.addEventListener('pause', (e) => {
    showBackToLive() 
  })
  document.querySelector(".back-to-live").addEventListener('click', (e) => {
    document.querySelector(".is-live").classList.remove("hidden")
    e.target.classList.add("hidden")
    radio.currentTime = radio.duration
    radio.play()
  })
}
function downloadPlaylist() {
  let m3u = "#EXTM3U\n"
  m3u = playlist.reduce((data, track) => {
    data += `#EXTINF:${track.itunes.duration},${track.itunes.name} \n`
    data += `${track.guid}\n`
    return data
  }, m3u)
  console.log(m3u)
  const blob = new Blob([m3u], { 'type': 'audio/x-mpegurl'});
  const m3uFile = window.URL.createObjectURL(blob);
  var a = document.createElement("a");
  a.style = "display: none";
  document.body.appendChild(a);
  url = window.URL.createObjectURL(blob);
  a.href = url;
  a.download = "playlist.m3u";
  a.click();
  window.URL.revokeObjectURL(url);
}
function setupRadios() {
  for(let r of leRadio) {
    let el = document.createElement("span")
    el.innerHTML = r.name;
    el.addEventListener('click', (e) => {
      radio.src = r.stream;
      document.querySelector("#radio-name").textContent = r.name
      radio.play()
    })
    document.querySelector("#other-radios").appendChild(el)
  }
}
function setupShowButtons() {
  let scrollFwd = (el) => {
    let scrollAmount = 0;
    let timer = setInterval( () => {
      el.scrollLeft += 10;
      scrollAmount += 10;
      if(scrollAmount >= 100){
        window.clearInterval(timer);
      }
    }, 25);	  

  }
  let scrollBack = (el) => {
    let scrollAmount = 0;
    let timer = setInterval( () => {
      el.scrollLeft -= 10;
      scrollAmount -= 10;
      if(scrollAmount <= -100){
        window.clearInterval(timer);
      }
    }, 25);	  
  }
  document.getElementById("prev-show").addEventListener("click", (e) => {
    scrollBack(showListEl)
  })
  document.getElementById("next-show").addEventListener("click", (e) => {
    scrollFwd(showListEl)
  })
  document.getElementById("next-show-card").addEventListener("click", (e) => {
    scrollFwd(showContentsEl.querySelector("div.content-box:not(.hidden)"))
  })
  document.getElementById("prev-show-card").addEventListener("click", (e) => {
    scrollBack(showContentsEl.querySelector("div.content-box:not(.hidden)"))
  })

}
async function setupProgrammi() {
  const res = await fetch("https://www.arkiwi.org/path64/cmFkaW9zcG9yZQ/shows");
  const shows = Array.from(await new window.DOMParser().parseFromString(await res.text(), "text/xml").getElementsByTagName("show"));
  programmi = shows.map(show => Array.from(show.childNodes).reduce((data, node) => {
    if(node.localName) {
      data[node.localName] = node.textContent // + ( node.localName == 'feed' ? '?limit=6' : '')
    }
    return data;
  }, {}))

  for(let p of programmi) {
    let el = document.createElement("span")
    el.innerHTML = p.name;
    el.addEventListener('click', (e) => {
      const id = p.name.replaceAll(/[\W_]+/g," ").replaceAll(' ','-');	    
      for(let box of document.querySelectorAll("#programmi-content > .content-box")) {
	if(box.id != id) {
	  box.classList.add("hidden");
	}	   
      }
      document.getElementById(id).classList.toggle("hidden");
      document.querySelectorAll("#programmi > .show-content > .arrow").forEach((el) => {
	el.classList.remove("hidden")
      })
    })
    showListEl.appendChild(el)
    fetch(p.feed)
      .then(res => res.text())
      .then(res => new window.DOMParser().parseFromString(res, "text/xml"))
      .then(xml => {
	let data = Array.from(xml.getElementsByTagName("item")).
	    map(item =>  Array.from(item.childNodes)
		.reduce((data, node) => {
		  if(node.localName) {
		    if(node.prefix){
		      if(!data[node.prefix]) {
			data[node.prefix] = {}
		      }
		      data[node.prefix][node.localName] = node.textContent
		    }
		    else {
		      data[node.localName] = node.textContent
		      // if(localName == "pubDate") {
		      //   data[node.localName] = new Date(data[node.localName])
		      // }
		    }}
		  return data;
		}, {}))
	let programma = document.createElement("div")
	programma.setAttribute("id", p.name.replaceAll(/[\W_]+/g," ").replaceAll(' ', '-'));
	programma.classList.add("content-box");
	programma.classList.add("hidden");
	document.getElementById("programmi-content").append(programma);
	for(let s of data) {
	  let template = document.querySelector("#show-card-template");
	  let puntata = template.content.cloneNode(true);
	  let keywords = ''
	  if(s['itunes'] && s.itunes.keywords) {
	    s['itunes']['keywords'].split(',').map((k) => `<span>${k}</span>`).join('')
	  }
	  puntata.querySelector(".title").textContent = s.title;
	  puntata.querySelector(".description").textContent = s.description;
	  //puntata.innerHTML = `<span><b>${data[a].title}</b></span> <div class="small-tags">${keywordso}</div> <br/> <br/><div>${data[a].description}</div>`;
	  puntata.querySelector(".play-pause").addEventListener('click', (e) => {
	    radio.src = s.guid;
	    playPauseRadio();
	    document.querySelector("#radio-name").textContent = p.name;
	    document.querySelector("#program-name").textContent = s.title;
	  })
	  puntata.querySelector(".add-to-playlist").addEventListener('click', (e) => {
	    playlist.push(s)
	  })
	  programma.appendChild(puntata)	      
	}
      })	
  }
}
setupPlayer();
setupRadios();
setupTabs();
setupShowButtons();
setupProgrammi();