// replace div data with translated (html output askama)
// like this ? title: "{{"title1"|translate(lang)}}"
let graph = {
    nodes : [
      {id : "hemp", url: "/hemp" ,index: 0, x: 719.1790913580512, y: 326.11409230900296, vy: 0.0009665554475078223, vx: 0.00044710537175425926, title: "Title1", content: "Content 1"},
      {id : "permapp", url: "/spider/permapp",index: 1, x: 473.51321690437135, y: 317.1181430586339, vy: 0.0005811239352358496, vx: 0.0005105059544352408,  title: "Title 2", content: "Content 2"},
      {id : "offgrid",url: "/offgrid", index: 2, x: 495.66982580572676, y: 18.53, vy: 0.0007713356454593206, vx: 0.0007887999665437037,  title: "Title 3", content: "Content 3"},
      {id : "cyberpreneur",url: "/cyberpreneur", index: 3, x: 457.9995206323447, y: 277.13445200140694, vy: 0.0004637678594351416, vx: 0.0007441570379881761,  title: "Title 4", content: "Content 4" },
      {id : "kaoscube",url: "/kaoscube", index: 4, x: 428.05791236956037, y: 237.65121337678465, vy: 0.00037483669542696317, vx: 0.00039028860355878376,  title: "Title 5", content: "Content 5"},
      {id : "spider", url: "/spider",index: 5, x: 461.65464520161396, y: 189.18158017082138, vy: -0.00023265081878199873, vx: 0.00006278089396472572,  title: "Title 6", content: "Content 6" }
  
  ],
  
    links : [
      {source: 0, target: 1, index: 0 },
      {source: 0, target: 2, index: 1 },
      {source: 0, target: 3, index: 2 },
      {source: 0, target: 4, index: 3 },
      {source: 1, target: 2, index: 4 },
      {source: 1, target: 4, index: 5 },
      {source: 2, target: 3 ,index: 6 },
      {source: 2, target: 4 ,index: 7 },
      {source: 2, target: 5 ,index: 8 },
      {source: 4, target: 5 ,index: 9 }
    ],

}

// has to be made responsive to actual screensize !

let width = 100;
let height = 200;
let radius = 15;

const svg = d3.select("#mobile_network").append("svg").attr("viewBox", "0, 0, 100, 200").attr("preserveAspectRatio", "xMidYMid meet").attr("style", "position: relative;"),
    link = svg
      .selectAll(".link")
      .data(graph.links)
      .join("line")
      .classed("link", true),
    node = svg
      .selectAll(".node")
      .data(graph.nodes)
      .join("circle")
      .attr("id", d => d.id)
      .attr("r", 15)
      .classed("node", true)
      .classed("fixed", d => d.fx !== undefined);


const node1 = svg.select("#hemp")
    .attr("fill", "url(#imgHemp)");

const node2 = svg.select("#permapp")
    .attr("fill", "url(#imgPermapp)");

const node3 = svg.select("#spider")
    .attr("fill", "url(#imgSpider)");

const node4 = svg.select("#cyberpreneur")
    .attr("fill", "url(#imgCyber)");

const node5 = svg.select("#kaoscube")
    .attr("fill", "url(#imgKaos)");

const node6 = svg.select("#offgrid")
    .attr("fill", "url(#imgOff)");


const defs = svg.append("svg:defs");

defs.append("svg:pattern")
.attr("width", "100%")
.attr("height", "100%")
.attr("id", "imgHemp")
.append("svg:image")
.attr("xlink:href", "/assets/img/hemp.webp")
.attr("width", 45)
.attr("height", 45)
.attr("x", -7 )
.attr("y", 0);

defs.append("svg:pattern")
.attr("width", "100%")
.attr("height", "100%")
.attr("id", "imgPermapp")
.append("svg:image")
.attr("xlink:href", "/assets/img/v1-permapp.webp")
.attr("width", 35)
.attr("height", 35)
.attr("x", 0 )
.attr("y", 0);

defs.append("svg:pattern")
.attr("width", "100%")
.attr("height", "100%")
.attr("id", "imgSpider")
.append("svg:image")
.attr("xlink:href", "/assets/img/spider_out.webp")
.attr("width", 45)
.attr("height", 45)
.attr("x", -4 )
.attr("y", -7);

defs.append("svg:pattern")
.attr("width", "100%")
.attr("height", "100%")
.attr("id", "imgCyber")
.append("svg:image")
.attr("xlink:href", "/assets/img/3d_greenhouse.webp")
.attr("width", 50)
.attr("height", 50)
.attr("x", -5 )
.attr("y", -10);


defs.append("svg:pattern")
.attr("width", "100%")
.attr("height", "100%")
.attr("id", "imgKaos")
.append("svg:image")
.attr("xlink:href", "/assets/img/cube_space.webp")
.attr("width", 40)
.attr("height", 40)
.attr("x", -6 )
.attr("y", -6);

defs.append("svg:pattern")
.attr("width", "100%")
.attr("height", "100%")
.attr("id", "imgOff")
.append("svg:image")
.attr("xlink:href", "/assets/img/boat_construction.webp")
.attr("width", 40)
.attr("height", 40)
.attr("x", -5 )
.attr("y", -6);


  const simulation = d3
    .forceSimulation()
    .nodes(graph.nodes)
    .force("charge", d3.forceManyBody().strength(-300))
    .force("center", d3.forceCenter(width / 2.5, height / 2.25))
    .force("link", d3.forceLink(graph.links).distance(30))
    .force("collide", d3.forceCollide(22))
    .force("x", d3.forceX(-30))
    .on("tick", tick);

const drag = d3
.drag()
.on("start", dragstart) 
.on("drag", dragged);

node.call(drag).on("click", click);


// on doubleclick release position
node.on("dblclick", release );

function release(event, d) { 
  // back to original position
  delete d.fx;
  delete d.fy;
  simulation.alpha(1).restart();
}

// make this work on touch as well !

function click(event, d) {
  d3.select(this).classed("fixed", false);
}

function dragstart() {
  // select element and set position to fixed
  d3.select(this).classed("fixed", true);

  // show box on single click
  toggleDiv(this.id, status);

  console.log("box atrr", box.attr("class"));
  if ( box.attr("class") == "box_on" ) {
    // make either nodes underneath unclickable as long as box is open or bring content in box to very front !
    this.__on = null;
  }
  // this refers to dragged circle element
  console.log("dragstart", this.id);

}

function dragged(event, d) {

  console.log("dragged",d.id);
  // set x position of dragged node
  d.fx = clamp(event.x, 0, width);
  // set x position of dragged node
  d.fy = clamp(event.y, 0, height);
  // sets duration of animation before restart
  simulation.alpha(1).restart();
}

  function tick() {
    link
      .attr("x1", d => d.source.x)
      .attr("y1", d => d.source.y)
      .attr("x2", d => d.target.x)
      .attr("y2", d => d.target.y);
    node
      .attr("cx", d => d.x = Math.max(radius, Math.min(width - radius, d.x)))
      .attr("cy", d => d.y = Math.max(radius, Math.min(height - radius, d.y)));
  }

function clamp(x, lo, hi) {
    return x < lo ? lo : x > hi ? hi : x;
}

// show info divs with data based on id

// the infobox
const box = d3.select("#box")

// state of box
let toggleDiv = undefined;

// all nodes
let nodeArray = graph.nodes;


// change status of a box from visible to hidden and viceversa on click

toggleDiv = function( event, status ) {

    if ( status == "" ) {
      status = box.attr("class") == "box_off" ? "box_on" : "box_off";
      box.attr("class", status);

    } else  {
      console.log("status is", status);    
    }
  }


// Like that somehow: embed data as html

// Get content data
  //Parameters: data, array containing all nodes

     function getContent( n, nodeArray ) {
      info = '<div id="box">';
      if( n.link )
      // get link of node
        info += '<a href="' + n.url + '"/>';
      else
        console.log("couldn't get link:", n.url);

      if( n.title )
      info += '<h1 id="title">"' + n.title + '"/>'
      else
        console.log("couldn't get title:", n.title);
      if( n.content )
        info += '<p id="content><"' + n.content + '"/>'
          console.log("couldn't get title:", n.content);

      return info;
    }


// Show box for a given node
      function showContent( node ) {
        // Fill it and display the box
        box
        .html( getContent(node,nodeArray) )
      }