defmodule MicrowavepropWeb.UserProfileLive do
  @moduledoc "Signed-in user's own profile + callsign linkage at `/account`."
  use MicrowavepropWeb, :live_view

  alias Microwaveprop.Accounts
  alias Microwaveprop.Beacons
  alias Microwaveprop.Beacons.Beacon
  alias Microwaveprop.Format
  alias Microwaveprop.Radio

  @impl true
  def mount(%{"callsign" => raw_callsign}, _session, socket) do
    case Accounts.get_user_by_callsign(raw_callsign) do
      nil ->
        {:ok,
         socket
         |> put_flash(:error, "No profile for #{raw_callsign}.")
         |> push_navigate(to: ~p"/")}

      user ->
        viewer = socket.assigns[:current_scope] && socket.assigns.current_scope.user
        contacts = Radio.list_contacts_for_user(user, viewer)
        beacons = Beacons.list_beacons_for_user(user, viewer)
        involving = Radio.list_contacts_involving_callsign(user.callsign, viewer)

        {:ok,
         assign(socket,
           page_title: user.callsign,
           profile: user,
           contacts: contacts,
           beacons: beacons,
           involving: involving
         )}
    end
  end

  defp initial(%{name: name}) when is_binary(name) and name != "" do
    name |> String.trim() |> String.first() |> String.upcase()
  end

  defp initial(%{callsign: callsign}) when is_binary(callsign), do: callsign |> String.first() |> String.upcase()

  defp initial(_), do: "?"

  @impl true
  def render(assigns) do
    ~H"""
    <Layouts.app flash={@flash} current_scope={@current_scope} max_width="max-w-5xl">
      <div class="card bg-base-200 shadow-sm mb-6">
        <div class="card-body flex-row items-center gap-4 py-5">
          <div class="flex h-16 w-16 shrink-0 items-center justify-center rounded-full bg-primary text-primary-content">
            <span class="font-mono text-2xl font-semibold leading-none">{initial(@profile)}</span>
          </div>
          <div class="flex-1 min-w-0">
            <h1 class="card-title font-mono text-2xl">{@profile.callsign}</h1>
            <p class="text-sm opacity-70">
              <span :if={@profile.name}>{@profile.name} &middot;</span>
              Member since {Calendar.strftime(@profile.inserted_at, "%B %Y")}
            </p>
          </div>
        </div>
      </div>

      <div class="stats bg-base-200 shadow-sm mb-6 w-full">
        <div class="stat">
          <div class="stat-title">Contacts submitted</div>
          <div class="stat-value text-primary">{length(@contacts)}</div>
        </div>
        <div class="stat">
          <div class="stat-title">Beacons submitted</div>
          <div class="stat-value text-secondary">{length(@beacons)}</div>
        </div>
      </div>

      <div class="card bg-base-200 shadow-sm mb-6">
        <div class="card-body">
          <h2 class="card-title">Contacts</h2>
          <%= if @contacts == [] do %>
            <p class="text-sm opacity-70">No contacts submitted yet.</p>
          <% else %>
            <div class="overflow-x-auto">
              <table class="table table-zebra table-sm">
                <thead>
                  <tr>
                    <th>When</th>
                    <th>Stations</th>
                    <th>Band</th>
                    <th>Mode</th>
                    <th>Distance</th>
                  </tr>
                </thead>
                <tbody>
                  <tr :for={contact <- @contacts} class="hover">
                    <td class="whitespace-nowrap">
                      {Calendar.strftime(contact.qso_timestamp, "%Y-%m-%d %H:%M UTC")}
                    </td>
                    <td>
                      <.link navigate={~p"/contacts/#{contact.id}"} class="link link-hover font-mono">
                        {contact.station1} &harr; {contact.station2}
                      </.link>
                    </td>
                    <td>{contact.band && "#{contact.band} MHz"}</td>
                    <td>{contact.mode}</td>
                    <td>{Format.distance_km(contact.distance_km)}</td>
                  </tr>
                </tbody>
              </table>
            </div>
          <% end %>
        </div>
      </div>

      <div class="card bg-base-200 shadow-sm mb-6">
        <div class="card-body">
          <h2 class="card-title">Beacons</h2>
          <%= if @beacons == [] do %>
            <p class="text-sm opacity-70">No beacons submitted yet.</p>
          <% else %>
            <div class="overflow-x-auto">
              <table class="table table-zebra table-sm">
                <thead>
                  <tr>
                    <th>Callsign</th>
                    <th>Frequency</th>
                    <th>Grid</th>
                    <th>Keying</th>
                    <th>Status</th>
                  </tr>
                </thead>
                <tbody>
                  <tr :for={beacon <- @beacons} class="hover">
                    <td>
                      <.link navigate={~p"/beacons/#{beacon.id}"} class="link link-hover font-mono">
                        {beacon.callsign}
                      </.link>
                    </td>
                    <td class="whitespace-nowrap">
                      {Beacon.format_freq(beacon.frequency_mhz)} MHz
                    </td>
                    <td>{beacon.grid}</td>
                    <td>{Beacon.keying_label(beacon.keying)}</td>
                    <td>
                      <div class={[
                        "badge badge-sm",
                        if(beacon.approved, do: "badge-success", else: "badge-warning")
                      ]}>
                        {if beacon.approved, do: "Approved", else: "Pending"}
                      </div>
                    </td>
                  </tr>
                </tbody>
              </table>
            </div>
          <% end %>
        </div>
      </div>

      <div class="card bg-base-200 shadow-sm">
        <div class="card-body">
          <h2 class="card-title">Contacts {@profile.callsign} is in</h2>
          <%= if @involving == [] do %>
            <p class="text-sm opacity-70">No contacts on file with this callsign yet.</p>
          <% else %>
            <p :if={length(@involving) == 100} class="text-xs opacity-60">
              Showing the 100 most recent contacts.
            </p>
            <div class="overflow-x-auto">
              <table class="table table-zebra table-sm">
                <thead>
                  <tr>
                    <th>When</th>
                    <th>Stations</th>
                    <th>Band</th>
                    <th>Mode</th>
                    <th>Distance</th>
                  </tr>
                </thead>
                <tbody>
                  <tr
                    :for={contact <- @involving}
                    class="hover cursor-pointer"
                    phx-click={JS.navigate(~p"/contacts/#{contact.id}")}
                  >
                    <td class="whitespace-nowrap">
                      {Calendar.strftime(contact.qso_timestamp, "%Y-%m-%d %H:%M UTC")}
                    </td>
                    <td class="font-mono">
                      {contact.station1} &harr; {contact.station2}
                    </td>
                    <td>{contact.band && "#{contact.band} MHz"}</td>
                    <td>{contact.mode}</td>
                    <td>{Format.distance_km(contact.distance_km)}</td>
                  </tr>
                </tbody>
              </table>
            </div>
          <% end %>
        </div>
      </div>
    </Layouts.app>
    """
  end
end