{% extends "newbase.html" %}
{% load static %}
{% load rowerfilters %}

{% block title %}Rowsandall Training Plans{% endblock %}


{% block main %}
<h2>Plan Training Steps</h2>
<p>
  WARNING: This is experimental functionality which may not behave as you
  expect. Does not work on smartphones.
</p>
<p>
  Drag from Library to Training to add a step to the end.
  Drag on top of a training step to insert after it.
  Drag out of Training to remove a step.
</p>
<div class="stepcontainer" id="list">
<section class="drop-zone">
<h2>Training Steps for {{ ps.name }}</h2>
<p>
  <form target="/rowers/plans/stepadder/{{ ps.id}}/?save=1" onsubmit="event.preventDefault(); saveSession();">
    <input id="hidden" type="hidden" value="">
    <input id="savebutton" type="submit" value="Save">
</form>
</p>
{% for step in currentsteps %}
<div id="{{ step.id }}" draggable="true" class="trainingstep {{ step.intensity }} {{ step.durationtype }}" >
  <span id="{{ step.id }}" class="stepid">
    ({{ forloop.counter|add:-1 }})
  </span>
  <span  id="{{ step.id }}" class="stepcontent">
  {{ step.name }}
  {% if step.durationtype == "RepeatUntilStepsCmplt" %}
  - repeat {{ step.targetvalue }}x from block {{ step.durationvalue|floatformat }}
  {% endif %}
  </span>
  <span id="{{ step.id }}">
    <a href="/rowers/plans/step/{{ step.id }}/edit/{{ ps.id }}/">
    <i class="fas fa-pencil-alt fa-fw"></i>
    </a>
  </span>
  <span id="{{ step.id }}">
    <a href="/rowers/plans/step/{{ step.id }}/delete/?id={{ ps.id }}">
    <i class="fas fa-trash-alt fa-fw"></i>
    </a>
  </span>
</div>
{% endfor %}
</section>
<section class="allcentered">
  <div class="allcenteredchild">
  <h1><i class="fas fa-arrow-left fa-fw"></i></h1>
  </div>
</section>
<section class="library">
  <h2>Step Library</h2>
  {% for step in steps %}
  <div id="{{ step.id }}" draggable="true" class="trainingstep {{ step.intensity }} {{ step.durationtype}}" >
    <span id="{{ step.id }}" class="stepid">
    </span>
    <span  id="{{ step.id }}" class="stepcontent">
    {{ step.name }}
    {% if step.durationtype == "RepeatUntilStepsCmplt" %}
    - repeat {{ step.targetvalue }}x from block {{ step.durationvalue|floatformat }}
    {% endif %}
    </span>
    <span id="{{ step.id }}">
      <a href="/rowers/plans/step/{{ step.id }}/edit/{{ ps.id }}/">
      <i class="fas fa-pencil-alt fa-fw"></i>
      </a>
    </span>
    <span id="{{ step.id }}">
      <a href="/rowers/plans/step/{{ step.id }}/delete/?id={{ ps.id }}">
      <i class="fas fa-trash-alt fa-fw"></i>
      </a>
    </span>
  </div>
  {% endfor %}
</div>
</section>
<ul class="main-content">
<li class="grid_2 library">
  <h2>Add new step</h2>
  <form enctype="multipart/multipart/form-data" method="post">
  <table>
    {{ form.as_table }}
  </table>
  {% csrf_token %}
  <input name="newstep" type="submit" value="Add to Library">
  </form>
</li>
<li class="grid_2 library">
  <h2>Step Information</h2>
  <div id="stepinfo">
    <p>Step information</p>
  </div>
</li>
<li class="grid_2">
  <h2>Explanation</h2>
  <table width=90% class="listtable shortpadded">
    <tr>
      <th>Parameter</th>
      <th>Regular Step</th>
      <th>Repeat Step</th>
    </tr>
    <tr>
      <th>Duration Type</th><td>Time or Distance</td><td>Repeat</td>
    </tr>
    <tr>
      <th>Duration Value</th><td>Minutes / Meters</td><td>Block number to start repeat from</td>
    </tr>
    <tr>
      <th>Target Type</th><td>Set a target to hold</td><td>---</td>
    </tr>
    <tr>
      <th>Target Value</th>
      <td>
        <div>Power: Zone number (1-10), &#37; of FTP (10-1000)</div>
        <div>Speed: 1000x target speed in m/s</div>
        <div>Heart Rate: Zone number (1-10), &#37; of max (10-100); </div>
        <div>Cadence: Strokes per Minute</div>
      </td>
      <td>
        Number of repetitions
      </td>
    </tr>
    <tr>
      <th>Target Value Low</th>
      <td>
        <div>Power: &#37; of FTP (10-1000)</div>
        <div>Speed: 1000x target speed in m/s</div>
        <div>Heart Rate: &#37; of max (10-100); </div>
        <div>Cadence: Strokes per Minute</div>
      </td>
      <td>
      </td>
    </tr>
    <tr>
      <th>Target Value High</th>
      <td>
        <div>Power: &#37; of FTP (10-1000)</div>
        <div>Speed: 1000x target speed in m/s</div>
        <div>Heart Rate: &#37; of max (10-100); </div>
        <div>Cadence: Strokes per Minute</div>
      </td>
      <td>
      </td>
    </tr>
    <tr>
      <th>Intensity</th><td>Warming Up, Active, Rest</td><td>Set to Active</td>
    </tr>
    <tr>
      <th>Description</th><td>Any other text</td><td></td>
    </tr>
  </table>
</li>

</ul>
{% endblock %}

{% block scripts %}
<script type='text/javascript'
        src='https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js'>
</script>
<script>
  let csrftoken;
  let mysteps = {};
  {% for step in steps %}
  mysteps["{{ step.id }}"] = { 'name': '{{ step.name }}' };
  {% endfor %}
  let descriptions = {}
  {% for key, value in stepdescriptions.items %}
  descriptions["{{ key }}"] = "{{ value }}"
  {% endfor %}
  $(document).ready(function() {
      csrftoken = jQuery("[name=csrfmiddlewaretoken]").val();
  });
  function csrfSafeMethod(method) {
      // these HTTP methods do not require CSRF protection
      return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
  }
  $.ajaxSetup({
      beforeSend: function(xhr, settings) {
	  if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
              xhr.setRequestHeader("X-CSRFToken", csrftoken);
	  }
      }
  });
  
  let dragged;
  let origcolor;
  
  function saveSession() {
      
      var list = [];
      steps = document.querySelector('.drop-zone');
      steps.childNodes.forEach(function(item) {
	  if (item.className && item.className.includes("trainingstep")) {
	      item.childNodes.forEach(function(child) {
		  if (child.id && child.className == 'stepcontent') {
		      list.push(child.id);
		  }
              })
          }
      });
      $.ajax({
          data: JSON.stringify(list),
          type: 'POST',
          url: '/rowers/plans/stepadder/{{ ps.id }}/?save=1',
          error: function(result) {
              $("#id_waiting").replaceWith(
		  '<div id="id_failed" class="grid_12 alpha message">Your upload failed</div>'
              );
          },
          success: function(result) {
              console.log(result)
          }
      })
      saveState();
      // reload the page
      location.reload();
      // window.location.reload(true);
  }

  function saveState() {
      var cntr = 0;
      var list = [];
      steps = document.querySelector('.drop-zone');
      steps.childNodes.forEach(function(item) {
          if (item.className && item.className.includes("trainingstep")) {
              item.childNodes.forEach(function(child) {
		  if (child.id && child.className == 'stepcontent') {
		      list.push(child.id);
		  }
		  if (child.className == "stepid") {
		      s = `(${cntr})`
		      child.replaceWith(s);
		      cntr++;
		  }
              })
          }
      });
      $.ajax({
          data: JSON.stringify(list),
          type: 'POST',
          url: '/rowers/plans/stepadder/{{ ps.id }}/',
          error: function(result) {
              $("#id_waiting").replaceWith(
		  '<div id="id_failed" class="grid_12 alpha message">Your upload failed</div>'
              );
          },
          success: function(result) {
              console.log(result)
          }
      })
  };
  
  function handleDragStart(event) {
      let target = event.target;
      if (target) {
          dragged = target;
          origcolor = dragged.style.backgroundColor;
          event.dataTransfer.setData('text', target.id);
          event.dataTransfer.dropEffect = 'move';
          // Make it half transparent
          event.target.style.opacity = .3;
      }
  }
  
  function handleDragEnd(event) {
      if (event.target) {
          // Reset the transparency
          event.target.style.opacity = ''; // reset opacity when drag ends
          items.forEach(function (item) {
              item.classList.remove('over');
          });
          dragged = null;
          origcolor = null;
      }
      saveState();
  }
  
  function handleMouseOver(event) {
      if (event.preventDefault) {
          const id = event.target.id;
          if (id) {
              var name = mysteps[id]['name'];
              var txt = descriptions[id];
              var divstring = `<p>${name}</p><p>${txt}</p>`
              const div = document.getElementById("stepinfo");
              div.innerHTML = divstring;
          }
      }

      return false;
  }

  function handleMouseLeave(event) {
      if (event.preventDefault) {
          const div = document.getElementById("stepinfo");
          div.innerHTML = '<p>Hover over a step to get details</p>'
      }

      return false;
  }
  
  function handleDragOver(event) {
      event.preventDefault();
  }
  
  function handleDragEnter(event) {
      this.classList.add('over');
      const target = event.target;
      overcolor = event.target.style.backgroundColor;
      
      if (target && dragged) {
          event.preventDefault();
          // Set the dropEffect to move
          event.dataTransfer.dropEffect = 'move'
          target.style.background = '#1f904e';
      }
  }
  
  function handleDragLeave(event) {
      event.target.style.backgroundColor = '';
      
      if (dragged.parentNode.className.includes("drop-zone")) {
          trash(event);
      }
      saveState();
  }
  
  function trash(event) {
      const target = event.target;
      event.target.style.backgroundColor = '';
      if (target && dragged) {
          event.preventDefault();
          if (dragged.parentNode.className.includes("drop-zone")) {
              dragged.remove();
          }
      }
  }
  
  function handleDrop(event) {
      const target = event.target;
      if (target && dragged) {
          target.style.backgroundColor = '';
          event.preventDefault();
          // Get the id of the target and add the moved element to the targets DOM
          // dragged.parentNode.removeChild(dragged);
          if (target.nodeName == "SECTION") {
              dragged.style.opacity = '';
              dragged.style.backgroundColor = origcolor;
              var dropped = dragged.cloneNode(true);
              dropped.id = 0;
              target.appendChild(dropped);
          }
          if (target.nodeName == 'DIV') {
              // insert after
              dragged.style.opacity = '';
              dragged.style.backgroundColor = origcolor;
              var dropped = dragged.cloneNode(true);
              if (target.parentNode.nodeName == 'SECTION') {
		  target.after(dropped);
              }
              if (target.parentNode.parentNode.nodeName == 'SECTION') {
		  target.parentNode.after(dropped);
              }
          }
      }
      saveState();
  }
  
  function noDrop(event) {
      event.preventDefault();
  }
  
  
  let dropzone = document.querySelector('.drop-zone')
  dropzone.addEventListener('dragenter', handleDragEnter);
  dropzone.addEventListener('dragleave', handleDragLeave);
  dropzone.addEventListener('drop', handleDrop)
  dropzone.addEventListener('dragover', handleDragOver);
  dropzone.addEventListener('dragstart', handleDragStart);
  dropzone.addEventListener('dragend', handleDragEnd);
  
  let items = document.querySelectorAll('.stepcontainer .trainingstep');
  items.forEach(function(item) {
      item.addEventListener('dragstart', handleDragStart);
      item.addEventListener('dragend', handleDragEnd);
      item.addEventListener('dragleave', handleDragLeave);
      item.addEventListener('drop',noDrop);
      item.addEventListener('dragenter',noDrop);
      item.addEventListener('mouseover',handleMouseOver);
      item.addEventListener('mouseleave',handleMouseLeave);
  });
  
  
  </script>
{% endblock %}

{% block sidebar %}
{% include 'menu_plan.html' %}
{% endblock %}