{% extends "base.html" %}
{% block title %}Calculator — RWA Calculator{% endblock %}

{% block content %}
<h1>Run a calculation</h1>
<p class="muted">Point at a local data directory of parquet/CSV inputs and run the RWA pipeline.</p>

{% if error %}<div class="callout error">{{ error }}</div>{% endif %}
{% if reusable_run %}
<div class="callout info">This exact calculation (same inputs, unchanged data) already ran at
{{ reusable_run.completed_at }} — <a href="/results/{{ reusable_run.run_id }}">view its results</a>,
or run it again below.</div>
{% endif %}

<form class="form" method="post" action="/calculate">
  <div class="field">
    <label for="data_path">Data path</label>
    <input id="data_path" name="data_path" value="{{ default_path }}" placeholder="/path/to/data" required>
  </div>
  <div class="field">
    <label for="output_folder">Output folder <span class="muted">— optional; leave blank to skip writing to disk</span></label>
    <input id="output_folder" name="output_folder" value="{{ default_output_folder }}" placeholder="/path/to/output">
  </div>
  <fieldset class="field">
    <legend>Output format(s) <span class="muted">— written to the output folder when one is set</span></legend>
    <div class="checkbox-row">
      {% for fmt in export_formats %}
      {% set is_workbook = fmt in ("excel", "corep", "pillar3") %}
      <label class="checkbox{% if is_workbook and not xlsx_available %} is-disabled{% endif %}">
        <input type="checkbox" name="output_formats" value="{{ fmt }}"
          {% if fmt in selected_output_formats %}checked{% endif %}
          {% if is_workbook and not xlsx_available %}disabled{% endif %}>
        {{ fmt }}
      </label>
      {% endfor %}
    </div>
    {% if not xlsx_available %}<p class="muted">Install xlsxwriter to enable Excel, COREP and Pillar III.</p>{% endif %}
  </fieldset>
  <div class="field-row">
    <div class="field">
      <label for="framework">Framework</label>
      <select id="framework" name="framework">
        {% for fw in frameworks %}
        <option value="{{ fw.id }}"{% if selected_framework == fw.id %} selected{% endif %}>{{ fw.name }}</option>
        {% endfor %}
      </select>
    </div>
    <div class="field">
      <label for="permission_mode">Permission mode</label>
      <select id="permission_mode" name="permission_mode">
        <option value="standardised"{% if selected_permission == "standardised" %} selected{% endif %}>Standardised (all SA)</option>
        <option value="irb"{% if selected_permission == "irb" %} selected{% endif %}>IRB (model permissions)</option>
      </select>
    </div>
    <div class="field">
      <label for="data_format">Data format</label>
      <select id="data_format" name="data_format">
        <option value="parquet"{% if selected_format == "parquet" %} selected{% endif %}>parquet</option>
        <option value="csv"{% if selected_format == "csv" %} selected{% endif %}>csv</option>
      </select>
    </div>
    <div class="field">
      <label for="reporting_date">Reporting date</label>
      <input id="reporting_date" name="reporting_date" type="date" value="{{ default_date }}" required>
    </div>
  </div>
  <button class="btn btn-primary" type="submit">Run calculation</button>
</form>
{% endblock %}