{% extends "base.html" %}
{% block title %}Dashboard – Location Management{% endblock %}

{% block content %}
<div class="d-flex align-items-center justify-content-between mb-4">
  <h2 class="fw-bold mb-0"><i class="bi bi-grid-1x2-fill me-2 text-primary"></i>Dashboard</h2>
  {% if current_user.is_admin() %}
  <a href="{{ url_for('boards.add_board') }}" class="btn btn-primary">
    <i class="bi bi-plus-circle me-1"></i> Add Board
  </a>
  {% endif %}
</div>

<!-- ── Summary cards ─────────────────────────────────────────────────────── -->
<div class="row g-3 mb-4">
  <div class="col-sm-4">
    <div class="card stat-card border-0 rounded-4 bg-primary bg-opacity-10">
      <div class="card-body d-flex align-items-center gap-3">
        <i class="bi bi-motherboard display-5 text-primary"></i>
        <div>
          <div class="display-6 fw-bold">{{ boards | length }}</div>
          <div class="text-secondary small">Total Boards</div>
        </div>
      </div>
    </div>
  </div>
  <div class="col-sm-4">
    <div class="card stat-card border-0 rounded-4 bg-success bg-opacity-10">
      <div class="card-body d-flex align-items-center gap-3">
        <i class="bi bi-wifi display-5 text-success"></i>
        <div>
          <div class="display-6 fw-bold">{{ boards | selectattr('is_online') | list | length }}</div>
          <div class="text-secondary small">Online</div>
        </div>
      </div>
    </div>
  </div>
  <div class="col-sm-4">
    <div class="card stat-card border-0 rounded-4 bg-warning bg-opacity-10">
      <div class="card-body d-flex align-items-center gap-3">
        <i class="bi bi-diagram-3 display-5 text-warning"></i>
        <div>
          <div class="display-6 fw-bold">{{ active_workflows }}</div>
          <div class="text-secondary small">Active Workflows</div>
        </div>
      </div>
    </div>
  </div>
</div>

<!-- ── Board grid ─────────────────────────────────────────────────────────── -->
{% if boards %}
<div class="row g-3" id="board-grid">
  {% for board in boards %}
  <div class="col-md-6 col-xl-4" id="board-card-{{ board.id }}">
    <div class="card board-card border-0 rounded-4 h-100 {% if board.is_online %}border-start border-3 border-success{% else %}border-start border-3 border-secondary{% endif %}">
      <div class="card-header bg-transparent d-flex justify-content-between align-items-center pt-3">
        <div>
          <h5 class="mb-0 fw-semibold">{{ board.name }}</h5>
          <span class="badge text-bg-secondary small">{{ board.board_type }}</span>
          <span class="badge {% if board.is_online %}text-bg-success{% else %}text-bg-secondary{% endif %} small ms-1" id="online-badge-{{ board.id }}">
            {% if board.is_online %}Online{% else %}Offline{% endif %}
          </span>
        </div>
        <a href="{{ url_for('boards.board_detail', board_id=board.id) }}" class="btn btn-sm btn-outline-primary">
          <i class="bi bi-box-arrow-up-right"></i>
        </a>
      </div>
      <div class="card-body">
        <p class="text-secondary small mb-2"><i class="bi bi-hdd-network me-1"></i>{{ board.host }}:{{ board.port }}</p>

        <!-- Quick relay controls -->
        <div class="d-flex flex-wrap gap-2">
          {% for n in range(1, board.num_relays + 1) %}
          {% set relay_key = "relay_" ~ n %}
          {% set is_on = board.relay_states.get(relay_key, false) %}
          {% set e = board.get_relay_entity(n) %}
          <button type="button"
                  class="btn btn-sm relay-btn {% if is_on %}btn-{{ e.on_color }}{% else %}btn-outline-secondary{% endif %}"
                  data-relay="{{ n }}" data-board="{{ board.id }}"
                  data-toggle-url="{{ url_for('boards.toggle_relay_view', board_id=board.id, relay_num=n) }}"
                  title="{{ e.name }}"
                  onclick="dashToggleRelay(this)">
            <i class="bi {{ e.icon }}"></i>
            {{ e.name }}
          </button>
          {% endfor %}
        </div>

        <!-- Input states -->
        {% if board.num_inputs > 0 %}
        <div class="mt-2 d-flex flex-wrap gap-1">
          {% for n in range(1, board.num_inputs + 1) %}
          {% set input_key = "input_" ~ n %}
          {% set raw_state = board.input_states.get(input_key, true) %}
          {% set is_active = not raw_state %}
          {% set e = board.get_input_entity(n) %}
          <span class="badge {% if is_active %}text-bg-{{ e.active_color }}{% else %}text-bg-dark{% endif %} input-badge"
                data-input="{{ n }}" data-board="{{ board.id }}">
            <i class="bi {{ e.icon }}"></i> {{ e.name }}
          </span>
          {% endfor %}
        </div>
        {% endif %}
      </div>
      <div class="card-footer bg-transparent text-secondary small">
        {% if board.last_seen %}
          Last seen {{ board.last_seen.strftime('%H:%M:%S') }}
        {% else %}
          Never polled
        {% endif %}
      </div>
    </div>
  </div>
  {% endfor %}
</div>
{% else %}
<div class="text-center py-5 text-secondary">
  <i class="bi bi-motherboard display-2"></i>
  <p class="mt-3 fs-5">No boards added yet.</p>
  {% if current_user.is_admin() %}
  <a href="{{ url_for('boards.add_board') }}" class="btn btn-primary">
    <i class="bi bi-plus-circle me-1"></i> Add your first board
  </a>
  {% endif %}
</div>
{% endif %}
{% endblock %}

{% block scripts %}
<script>
// ── Entity config for all boards (embedded from server) ─────────────────────
const BOARD_ENTITIES = {
  {% for board in boards %}
  {{ board.id }}: {
    relays: {
      {% for n in range(1, board.num_relays + 1) %}{% set e = board.get_relay_entity(n) %}
      {{ n }}: {icon:"{{ e.icon }}",onColor:"{{ e.on_color }}",offColor:"{{ e.off_color }}"},
      {% endfor %}
    },
    inputs: {
      {% for n in range(1, board.num_inputs + 1) %}{% set e = board.get_input_entity(n) %}
      {{ n }}: {icon:"{{ e.icon }}",activeColor:"{{ e.active_color }}",idleColor:"{{ e.idle_color }}"},
      {% endfor %}
    }
  },
  {% endfor %}
};

const socket = io();
socket.on("board_update", function(data) {
  const bid = data.board_id;
  const ent = BOARD_ENTITIES[bid] || {relays:{}, inputs:{}};

  // online badge
  const onlineBadge = document.getElementById("online-badge-" + bid);
  if (onlineBadge) {
    onlineBadge.textContent = data.is_online ? "Online" : "Offline";
    onlineBadge.className = "badge small ms-1 " + (data.is_online ? "text-bg-success" : "text-bg-secondary");
  }

  // relay buttons
  if (data.relay_states) {
    for (const [key, isOn] of Object.entries(data.relay_states)) {
      const n = parseInt(key.split("_")[1]);
      const e = ent.relays[n] || {};
      document.querySelectorAll(`[data-relay="${n}"][data-board="${bid}"]`).forEach(btn => {
        btn.className = `btn btn-sm relay-btn ${isOn ? 'btn-' + (e.onColor||'success') : 'btn-outline-secondary'}`;
        const icon = btn.querySelector("i");
        if (icon && e.icon) icon.className = `bi ${e.icon}`;
      });
    }
  }

  // input badges — NC inversion: raw true = resting = idle
  if (data.input_states) {
    for (const [key, rawState] of Object.entries(data.input_states)) {
      const n = parseInt(key.split("_")[1]);
      const e = ent.inputs[n] || {};
      const isActive = !rawState;
      document.querySelectorAll(`[data-input="${n}"][data-board="${bid}"]`).forEach(span => {
        span.className = `badge input-badge text-bg-${isActive ? (e.activeColor||'info') : (e.idleColor||'dark')}`;
      });
    }
  }
});

// ── Dashboard relay toggle (AJAX — no page navigation) ───────────────────────
function dashToggleRelay(btn) {
  const url = btn.getAttribute("data-toggle-url");
  btn.disabled = true;

  fetch(url, {
    method: "POST",
    headers: { "Accept": "application/json", "X-Requested-With": "XMLHttpRequest" },
  })
  .then(r => r.json())
  .then(data => {
    // SocketIO will update the button colour; just re-enable it
    btn.disabled = false;
    if (!data.hw_ok) {
      // Brief visual indicator that hardware was unreachable
      btn.title = "(board unreachable — local state updated)";
      setTimeout(() => btn.title = btn.getAttribute("data-label") || "", 3000);
    }
  })
  .catch(() => { btn.disabled = false; });
}
</script>
{% endblock %}