<div class="row justify-content-center">
  <div class="col-12 col-md-10 col-xl-8">

    <h2>
      <i class="bi bi-box-arrow-in-left me-1"></i> Import Shifts
    </h2>
    <p class="lead">If you have an iCal/ics formatted calendar hosted elsewhere, provide its URL here to import its events.</p>

    <div class="row justify-content-center">
      <div class="col-12 col-sm-11 col-md-10 col-lg-9 col-xxl-8">

        <%= form_for :ics_import, "#", [phx_change: "validate", phx_submit: "save"], fn iimf -> %>

        <% show_url_error = @url_validated && !@url_valid || false %>
        <% valid_class = @url_validated && "is-valid" || "" %>
        <%= label iimf, :ics_url, "iCal/ics URL", class: "form-label" %>
        <div class="inner-addon left-addon mb-3">
          <i class="bi bi-link icon is-left text-muted fs-5"></i>
          <%= url_input iimf, :ics_url,
              class: show_url_error && "form-control is-invalid" || "form-control #{valid_class}",
              phx_debounce: 500,
              aria_describedby: "ics-import-url-error"
            %>
          <%= if show_url_error do %>
            <div class="invalid-feedback d-block" id="ics-import-url-error">
              Must be a valid URL
            </div>
          <% end %>
        </div>


        <%= label iimf, :time_zone, class: "form-label" %>
        <div class="inner-addon left-addon mb-3">
          <i class="bi bi-map icon is-left text-muted fs-5"></i>
          <%= text_input iimf, :time_zone,
              value: Shift73k.app_time_zone(),
              class: @tz_valid && "form-control" || "form-control is-invalid",
              phx_debounce: 250,
              aria_describedby: "ics-import-tz-error",
              list: "tz_list"
            %>
            <datalist id="tz_list">
              <%= for tz_name <- Tzdata.zone_list() do %>
                <option value={tz_name}></option>
              <% end %>
            </datalist>
          <div class="valid-feedback d-block text-primary">Type to search & select from list of known <%= link "IANA tz database", to: "https://en.wikipedia.org/wiki/List_of_tz_database_time_zones", target: "_blank" %> time zones</div>
          <%= if !@tz_valid do %>
            <div class="invalid-feedback d-block" id="ics-import-tz-error">
              Invalid time zone
            </div>
          <% end %>
        </div>


          <div class="row">
            <div class="col mb-3 text-end">
              <%= submit "Submit", class: "btn btn-primary", disabled: !@tz_valid || !@url_valid %>
            </div>
          </div>

        <% end %>

      </div>
    </div>

  </div>
</div>
