towerops/lib/towerops_web/live/coverage_live/form.html.heex

<Layouts.authenticated
  flash={@flash}
  current_scope={@current_scope}
  active_page="coverage"
>
  <.breadcrumb items={[
    %{label: t("Dashboard"), navigate: ~p"/dashboard"},
    %{label: t("Coverage"), navigate: ~p"/coverage"},
    %{label: @page_title}
  ]} />

  <.header>
    {@page_title}
    <:subtitle>
      {t(
        "Configure the radio and antenna. Coverage will be computed in the background once you save."
      )}
    </:subtitle>
    <:actions>
      <span class="inline-flex items-center px-3 py-1.5 rounded-md border border-blue-200 dark:border-blue-900/50 bg-blue-50 dark:bg-blue-900/20 text-sm">
        <span class="text-blue-700 dark:text-blue-300 font-medium mr-2">EIRP:</span>
        <span class="text-blue-900 dark:text-blue-100 font-mono">
          {Float.round(@computed_eirp, 1)} dBm
        </span>
      </span>
    </:actions>
  </.header>

  <.form
    for={@form}
    id="coverage-form"
    phx-change="validate"
    phx-submit="save"
    class="mt-6 space-y-8"
  >
    <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
      <%!-- Identity --%>
      <div class="space-y-4">
        <h3 class="text-sm font-semibold text-gray-900 dark:text-white">
          {t("Identity")}
        </h3>

        <.input
          field={@form[:name]}
          type="text"
          label={t("Name")}
          placeholder={t("e.g. North sector 5 GHz")}
          required
        />

        <.input
          field={@form[:site_id]}
          type="select"
          label={t("Site")}
          prompt={t("Select a site")}
          options={Enum.map(@sites, &{&1.name, &1.id})}
          required
        />

        <.input
          :if={@devices != []}
          field={@form[:device_id]}
          type="select"
          label={t("Attach to device (optional)")}
          prompt={t("No specific device")}
          options={Enum.map(@devices, &{device_label(&1), &1.id})}
        />
        <p
          :if={@form[:site_id].value not in [nil, ""] and @devices == []}
          class="text-xs text-gray-500 dark:text-gray-400"
        >
          {t("This site has no devices yet — coverage will not be attached to a specific device.")}
        </p>

        <.input
          field={@form[:antenna_slug]}
          type="select"
          label={t("Antenna")}
          prompt={t("Select an antenna")}
          options={@antenna_options}
          required
        />
      </div>

      <%!-- Radio --%>
      <div class="space-y-4">
        <h3 class="text-sm font-semibold text-gray-900 dark:text-white">
          {t("Radio")}
        </h3>

        <.input
          field={@form[:frequency_ghz]}
          type="number"
          label={t("Frequency (GHz)")}
          step="0.001"
          min="0.7"
          max="90"
          required
        />

        <.input
          field={@form[:tx_power_dbm]}
          type="number"
          label={t("TX power (dBm)")}
          step="0.1"
          min="-10"
          max="50"
          required
        />

        <.input
          field={@form[:radius_mi]}
          type="number"
          label={t("Range (mi)")}
          step="0.1"
          min="0.3"
          max="25"
          required
        />
      </div>

      <%!-- Mounting --%>
      <div class="space-y-4">
        <h3 class="text-sm font-semibold text-gray-900 dark:text-white">
          {t("Mounting")}
        </h3>

        <.input
          field={@form[:height_agl_ft]}
          type="number"
          label={t("Height above ground (ft)")}
          step="1"
          min="3"
          max="650"
          required
        />

        <.input
          field={@form[:azimuth_deg]}
          type="number"
          label={t("Azimuth (°, true north)")}
          step="1"
          min="0"
          max="360"
          required
        />

        <.input
          field={@form[:downtilt_deg]}
          type="number"
          label={t("Tilt (°, positive = down)")}
          step="0.1"
          min="-10"
          max="30"
        />
      </div>

      <%!-- Foliage --%>
      <div class="space-y-4">
        <h3 class="text-sm font-semibold text-gray-900 dark:text-white">
          {t("Environment")}
        </h3>

        <div>
          <label
            for="coverage_foliage_tuning"
            class="block text-sm font-medium text-gray-900 dark:text-gray-100 mb-1"
          >
            {t("Foliage tuning")}: {Phoenix.HTML.Form.input_value(@form, :foliage_tuning) || 0}
          </label>
          <input
            type="range"
            id="coverage_foliage_tuning"
            name="coverage[foliage_tuning]"
            value={Phoenix.HTML.Form.input_value(@form, :foliage_tuning) || 0}
            min="0"
            max="100"
            step="1"
            class="w-full"
          />
          <p class="text-xs text-gray-500 dark:text-gray-400 mt-1">
            {t("Higher values reduce predicted signal in wooded areas.")}
          </p>
        </div>
      </div>
    </div>

    <div class="flex justify-end gap-2">
      <.link navigate={~p"/coverage"} class="btn btn-outline">
        {t("Cancel")}
      </.link>
      <.button type="submit" variant="primary">
        {if @live_action == :new, do: t("Create coverage"), else: t("Save changes")}
      </.button>
    </div>
  </.form>
</Layouts.authenticated>