{% extends "layout.html" %}

{% import "bootstrap/wtf.html" as wtf %}

{% from "variants/utils.html" import pagination_footer, pagination_hidden_div %}

{% block title %}
  {{ super() }} - Managed variants
{% endblock %}

{% block css %}
{{ super() }}
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.14.0-beta3/css/bootstrap-select.min.css" integrity="sha512-g2SduJKxa4Lbn3GW+Q7rNz+pKP9AWMR++Ta8fgwsZRCUsawjPvF/BxSMkGS61VsR9yinGoEgrHPGPn2mrj8+4w==" crossorigin="anonymous" referrerpolicy="no-referrer" />
{% endblock %}

{% block top_nav %}
  {{ super() }}
  <li class="nav-item">
    <a class="nav-link" href="{{ url_for('cases.index') }}">Institutes</a>
  </li>
   <li class="nav-item active d-flex align-items-center">
     <span class="navbar-text">Managed variants</span>
   </li>
{% endblock %}
{% block content_main %}


<form method="POST" id="add_form" name="add_variant" action="{{url_for('managed_variants.add_managed_variant')}}" enctype="multipart/form-data">
  <div class="container-float">
    <div id="accordion_add" >
       <div class="card mt-3">
        <div class="card-header">
          <h5>
            <a data-bs-toggle="collapse" data-bs-parent="#accordion_add" href="#collapseAdd">
                Add variant
            </a>
          </h5>
        </div>
        <div id="collapseAdd" class="panel-collapse collapse">
          <div class="card-body" id="add_variant_category">{{ add_variant_form() }}</div>
        </div>
       </div>
    </div>
  </div>
</form>

<form method="POST" id="load_form" action="{{url_for('managed_variants.upload_managed_variants')}}" enctype="multipart/form-data">
  <div class="container-float">
    <div id="accordion_load" >
       <div class="card mt-3">
        <div class="card-header">
          <h5>
            <a data-bs-toggle="collapse" data-bs-parent="#accordion_load" href="#collapseLoad">
                Load variants
            </a>
          </h5>
        </div>
        <div id="collapseLoad" class="panel-collapse collapse">
          <div class="card-body">{{ load_variant_form() }}</div>
        </div>
       </div>
    </div>
  </div>
</form>

<form method="POST" id="filters_form" action="{{url_for('managed_variants.managed_variants')}}" enctype="multipart/form-data">
  <div class="container-float">
    {{ pagination_hidden_div(page, result_size) }}
    <div id="accordion" >
       <div class="card mt-3">
        <div class="card-header d-flex justify-content-between align-items-center">
          <h5>
            <a data-bs-toggle="collapse" data-parent="#accordion" href="#collapseFilters">
                Filters
            </a>
          </h5>
          <div class="text-muted">
            Filter returns {{ result_size }} / {{ total_variants }} variants.
          </div>
        </div>
        <div id="collapseFilters" class="panel-collapse collapse">
          <div class="card-body">{{ filter_variants_form() }}</div>
        </div>
       </div>
    </div>
  </div>
</form>

<div class="table-responsive" style="padding-top: 25px;">
  <table class="table table-bordered table-hover">
    <thead class="thead table-light">
      <tr>
        <th style="width:5%">Chr</th>
        <th style="width:10%">Start</th>
        <th style="width:10%">End</th>
        <th style="width:10%">Ref</th>
        <th style="width:10%">Alt</th>
        <th style="width:5%">Category</th>
        <th style="width:5%">Kind</th>
        <th style="width:25%">Description</th>
        <th style="width:15%">Last edited by</th>
        <th style="width:5%"></th>
      </tr>
    </thead>
    <tbody>
      {% for variant in managed_variants %}
        <tr>
          <td>{{ variant.chromosome }}</td>
          <td>{{ variant.position }}</td>
          <td>{{ variant.end }}</td>
          <td>{{ variant.reference | truncate(20, True, '...') }}</td>
          <td>{{ variant.alternative | truncate(20, True, '...') }}</td>
          <td>{{ variant.category|upper }}</td>
          <td>{{ variant.sub_category|upper }}</td>
          <td>
            {{ variant.description|safe  }}
          </td>
          <td>
            {% for maintainer in variant.maintainers %}
              {{ maintainer.name }}{% if not loop.last %}, {% endif %}
            {% endfor %}
            {% if variant.institute %}
              <span
                class="badge bg-secondary ms-2"
                data-bs-toggle="tooltip"
                data-bs-placement="top"
                title="{{ variant.institute | join(', ') }}"
              >
                {{ variant.institute | length }}
              </span>
            {% endif %}
          </td>
          <td>
            <div class="float-end">
              <form method="POST" action="{{ url_for('managed_variants.remove_managed_variant', variant_id=variant.managed_variant_id) }}">
                  <button id="{{variant._id}}" type="button" data-bs-toggle="collapse" href="#modifydiv_{{variant._id}}" aria-expanded="false" aria-controls="modifydiv_{{variant._id}}" class="btn btn-warning btn-xs">
                    <span class="fa fa-pen-square"></span>
                  </button>
                  <button id="remove_{{variant.managed_variant_id}}" type="button" class="btn btn-danger btn-xs" onclick="removeVariant('{{variant.managed_variant_id}}')">
                    <span class="fa fa-trash"></span>
                  </button>
              </form>
            </div>
          </td>
        </tr>
        <tr>
        {{ modify_variant(variant) }}
        </tr>
      {% endfor %}
    </tbody>
  </table>
</div>

<div class="container-fluid">
  {{ pagination_footer(page, result_size) }}
</div>

{% endblock %}

{% macro modify_variant(variant) %}
  <tr id="modifydiv_{{variant._id}}" class="collapse">
    {{ modify_variant_form(variant) }}
  </tr>
{% endmacro %}

{% macro modify_variant_form(variant) %}
  <form id="modify_variant_{{variant.variant_id}}" method="POST" action="{{ url_for('managed_variants.modify_managed_variant', variant_id=variant.managed_variant_id) }}" enctype="multipart/form-data" class="form-horizontal">
      {{ modify_form.csrf_token }}
      <input type="hidden" name="variant_id" value="{{ variant._id }}">
      <td>
        <select name="chromosome" class="form-control">
          {% for chr,_  in modify_form.chromosome.choices %}
            <option value="{{chr}}" {% if variant.chromosome==chr %} selected {% endif %}>{{chr}}</option>
          {% endfor %}
        </select>
      </td>
      <td>{{ modify_form.position(class="form-control", type="number", value=variant.position) }} </td>
      <td>{{ modify_form.end(class="form-control", type="number", value=variant.end) }}</td>
      <td>{{ modify_form.reference(class="form-control", value=variant.reference) }}
      <td>{{ modify_form.alternative(class="form-control", value=variant.alternative) }}
      <td>
        <select name="category" id="category" class="form-control" onchange="populateSubTypeSelect('modify_variant_{{variant.variant_id}}')">
          {% for ctg,ctg_display in modify_form.category.choices %}
            <option value="{{ctg}}" {% if ctg == variant.category %} selected {% endif %}>{{ctg_display}}</option>
          {% endfor %}
        </select>
      </td>
      <td>
        <select name="sub_category" id="sub_category" class="form-control">
          {% for subctg,subctg_display in modify_form.sub_category.choices %}
            <option value="{{subctg}}" {% if subctg == variant.sub_category %} selected {% endif %}>{{subctg_display}}</option>
          {% endfor %}
        </select>
      </td>
      <td><input type="text" class="form-control" name="description" id="description" value="{{ variant.description }}"></td>
      <td colspan="2" class="text-end">
         <button type="button" class="btn btn-primary btn-sm" onclick="editVariant('{{ variant.variant_id }}')">Save</button>
         <button type="button" class="btn btn-secondary btn-sm" onclick="document.getElementById('filters_form').submit()">Cancel</button>
      </td>
  </form>
{% endmacro %}

{% macro load_variant_form() %}
    <div class="row">
      <div class="col-sm-3">Upload managed variants file</div>
      <div class="col-sm-7 text-center">
        <input type="file" name="csv_file" class="custom-file-input" required onchange="this.nextElementSibling.innerText = this.files[0].name">
        <label class="custom-file-label" for="csv_file">Choose file</label><br>
        <p class="help-block">How do I format my <a href="https://clinical-genomics.github.io/scout/user-guide/variants/#managed-variants-upload-file-format" rel="noopener" target="_blank">managed variants file</a>?</p>
      </div>
      <div class="col-sm-2 text-center">
        <button type="submit" class="btn btn-secondary">Upload</button>
      </div>
    </div>
{% endmacro %}

{% macro add_variant_form() %}
    {{ add_form.csrf_token }}

<div class="table-responsive" style="padding-top: 25px;">
  <table class="table table-bordered table-hover">
    <thead>
      <tr>
        <th>Chr</th>
        <th>{{ add_form.position.label }}</th>
        <th>{{ add_form.end.label }}</th>
        <th>{{ add_form.reference.label }}</th>
        <th>{{ add_form.alternative.label }}</th>
        <th>{{ add_form.category.label }}</th>
        <th>{{ add_form.sub_category.label }}</th>
        <th>{{ add_form.description.label }}</th>
      </tr>
    </thead>
    <tbody>
      <tr>
      <td>{{ add_form.chromosome(class_="form-control") }}</td>
      <td>{{ add_form.position(class="form-control", type="number") }}</td>
      <td>{{ add_form.end(class="form-control", type="number") }}</td>
      <td>{{ add_form.reference(class="form-control") }}
      <td>{{ add_form.alternative(class="form-control") }}
      <td>{{ add_form.category(class="form-control", onchange="populateSubTypeSelect('add_variant')") }}</td>
      <td>{{ add_form.sub_category(class="form-control") }}</td>
      <td>{{ add_form.description(class="form-control") }}</td>
      </tr>
      <tr>
        <td colspan=12>
          <button name="add_variant" id="submit" type="submit" class="btn btn-primary btn-sm">Add</button>
          <button name="cancel" id="cancel" type="cancel" class="btn btn-secondary btn-sm">Cancel</button>
        </td>
      </tr>
    </tbody>
  </table>
</div>
{% endmacro %}

{% macro filter_variants_form() %}
    {{ filters_form.csrf_token }}
    <div class="row">
      <div class="col-2">
        {{ wtf.form_field(filters_form.category, class="selectpicker", data_style="btn-secondary")}}
      </div>
      <div class="col-2">
        {{ wtf.form_field(filters_form.sub_category, class="selectpicker", data_style="btn-secondary")}}
      </div>
      <div class="col-4">
        {{ wtf.form_field(filters_form.description) }}
      </div>
    </div>
    <div class="row">
      <div class="col-2">
        {{ wtf.form_field(filters_form.build, onchange="setChromosomes()") }}
      </div>
      <div class="col-2">
        {{ wtf.form_field(filters_form.chromosome, onchange="setCytobands();set_coords_fields()") }}
      </div>
      <div class="col-2">
        {{ wtf.form_field(filters_form.position, type="number", disabled=True) }}
      </div>
      <div class="col-2">
        {{ wtf.form_field(filters_form.end, type="number", disabled=True) }}
      </div>
      <div class="col-2">
        {{ wtf.form_field(filters_form.cytoband_start, onchange="setElemCoordinate('cytoband_start', 'position')") }}
      </div>
      <div class="col-2">
        {{ wtf.form_field(filters_form.cytoband_end, onchange="setElemCoordinate('cytoband_end', 'end')") }}
      </div>
    </div>
    <div class="row justify-content-center mt-3">
      <div class="col-4">
        {{ filters_form.filter_variants(class_="btn btn-primary form-control") }}
      </div>

      <div class="col-2">
        <a href="{{ url_for('managed_variants.managed_variants')}}" class="btn btn-secondary" style="color: #ffffff !important;">
          Reset&nbsp;filters
        </a>
      </div>
    </div>
{% endmacro %}

{% block scripts %}
{{ super() }}
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.14.0-beta3/js/bootstrap-select.min.js" integrity="sha512-yrOmjPdp8qH8hgLfWpSFhC/+R9Cj9USL8uJxYIveJZGAiedxyIxwNw4RsLDlcjNlIRR4kkHaDHSmNHAkxFTmgg==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script>

  function editVariant(variantId) {
    const form = document.getElementById(`modify_variant_${variantId}`);
    if (!form) return;

    fetch(form.action, { method: "POST", body: new FormData(form) })
      .finally(() => document.getElementById("filters_form").submit());
  }

  function removeVariant(variantId) {
    fetch(`/managed_variant/${variantId}/remove`, {
        method: "POST",
    }).finally(() => {
        document.getElementById("filters_form").submit();
    });
  }

  $(document).ready(function(){
    setChromosomes();
    set_coords_fields();
    populateSubTypeSelect('add_variant');
    {% for variant in managed_variants %}
      populateSubTypeSelect('modify_variant_{{variant.variant_id|safe}}');
    {% endfor %}
  })

  var popoverTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="popover"]'))
  var popoverList = popoverTriggerList.map(function (popoverTriggerEl) {
  return new bootstrap.Popover(popoverTriggerEl, {
      container: 'body',
    })
  })

  var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'))
  var tooltipList = tooltipTriggerList.map(function (tooltipTriggerEl) {
    return new bootstrap.Tooltip(tooltipTriggerEl)
  })

  var subcategoryOptions = {{ subcategory_choices|safe }}; // add form

  var cytoStart = document.forms["filters_form"].elements["cytoband_start"]; // filter form
  var cytoEnd = document.forms["filters_form"].elements["cytoband_end"]; // filter form
  var chromSelect = document.forms["filters_form"].elements["chromosome"]; // filter form chromosome
  var start_coord_field = document.forms["filters_form"].elements["position"]; // filter form start coord
  var end_coord_field = document.forms["filters_form"].elements["end"]; // filter form end coord

  // clear option elements from any given select
  function clearSelect(selectElem){
    Array.from(selectElem).forEach(function(option){
      selectElem.removeChild(option)
    })
  }

  // populates a given select element with a given list of options
  function populateSelect(selectElem, optionsList){
    for (opt of optionsList){
      selectElem.add(new Option(opt[0], opt[1]));
    }
  }

  // populate variant subtype select in add_variant form according to pre-selected variant category
  function populateSubTypeSelect(formId){
    selectedCategory = document.forms[formId].elements["category"].value;
    subCategorySelect = document.forms[formId].elements["sub_category"];

    clearSelect(subCategorySelect) // Reset subcategory select options

    if (selectedCategory.includes("snv")){
      populateSelect(subCategorySelect, subcategoryOptions.slice(0,2))
    }
    else{
      populateSelect(subCategorySelect, subcategoryOptions.slice(2,))
    }
  }

  // Set chromosomes according to selected genome build
  function setChromosomes(){
    clearSelect(chromSelect); // Remove existing chrom options from chromSelect
    let build = document.forms["filters_form"].elements["build"].value;

    chroms = {{chromosomes_37|safe}}; // populate chromosome options list
    if (build === "38"){
      chroms = {{chromosomes_38|safe}};
    }
    let chrom_options = [["", "All"]]
    chroms.forEach(function(chrom){ // append all chroms as options
      chrom_options.push([chrom, chrom])
    })
    populateSelect(chromSelect, chrom_options); // populate chromosome select with chromosome options
    // Remember user query settings
    selectedChrom = "{{filters_form.chromosome.data|safe}}";
    if(selectedChrom !== ""){
      chromSelect.value = selectedChrom;
    }
    setCytobands(); // Reset cytobands select elements
  }

  function set_coords_fields(){
    //Make chromosome coordinates editable if a valid chromsome is selected
    selectedChrom = chromSelect.value;
    if (selectedChrom && selectedChrom !== "All" ){
      start_coord_field.disabled = false;
      end_coord_field.disabled = false;
    }
    else {
      start_coord_field.disabled = true;
      end_coord_field.disabled = true;
    }
    if("{{filters_form.position.data|safe}}" !== "None") {
      start_coord_field.value ={{filters_form.position.data|safe}};
    }
    if("{{filters_form.end.data|safe}}" !== "None") {
      end_coord_field.value ={{filters_form.end.data|safe}};
    }
  }

  // Set cytobands select options according to selected chrom
  function setCytobands(){
    clearSelect(cytoStart)
    clearSelect(cytoEnd)
    // set cytoband selects options only if a chromosome is selected
    let selectedChrom = chromSelect.value;
    let build = document.forms["filters_form"].elements["build"].value;
    if (selectedChrom !== undefined && selectedChrom !== "" && selectedChrom !== "All"){
      cytoband_options = {{ cytobands_37|safe }};
      if (build === "38"){
        cytoband_options = {{ cytobands_38|safe }};
      }
      let chrom_cytobands = cytoband_options[selectedChrom]["cytobands"]; //list of cytoband objects

      // Add each cytoband as an select to the 2 cytoband selects
      cytoStartOptions = [["",""]]
      cytoStopOptions = [["",""]]
      chrom_cytobands.forEach(function (opt) {
        // create option label for cytoband start option
        let interval = ["(start:",opt["start"], ")"].join("");
        let optionText = [ opt["chrom"], opt["band"], interval ].join(" ");
        cytoStartOptions.push([optionText, opt["start"]])

        // create option label for cytoband end option
        interval = ["(end:",opt["stop"], ")"].join("")
        optionText = [ opt["chrom"], opt["band"], interval ].join(" ");
        cytoStopOptions.push([optionText,opt["stop"]])
      });
      populateSelect(cytoStart, cytoStartOptions)
      populateSelect(cytoEnd, cytoStopOptions)
      // Remember user query settings
      selectedCytoStart =  "{{filters_form.cytoband_start.data|safe}}";
      if (selectedCytoStart){
        cytoStart.value=selectedCytoStart;
      }
      selectedCytoEnd =  "{{filters_form.cytoband_end.data|safe}}";
      if (selectedCytoEnd){
          cytoEnd.value=selectedCytoEnd;
      }

    }
    // Reset start and stop positions in filter form
    document.forms["filters_form"].elements["position"].value=""
    document.forms["filters_form"].elements["end"].value=""
  }

  // set start and stop coordinates when selecting cytoband start ot cytoband stop
  function setElemCoordinate(cytobandElem, elem){
    modifyElem = document.forms["filters_form"].elements[elem]
    value = document.forms["filters_form"].elements[cytobandElem].value
    modifyElem.value = value
  }

</script>
{% endblock %}