{% extends 'base.html' %}
{% load static %}
{% load static_v %}
{% block title %}{% if is_b2b %}{{ t.title_choose_truck }}{% else %}{{ t.title_choose_picker }}{% endif %} — PickkerMarket{% endblock %}

{% block extra_head %}
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" />
{% endblock %}

{% block content %}
<section class="content-section">
    <div class="content-inner" style="max-width: 900px;">
        <div class="checkout-steps">
            <span class="checkout-step done">1. {{ t.checkout_step_cart }}</span>
            <span class="checkout-step done">2. {{ t.checkout_step_location }}</span>
            <span class="checkout-step done">3. {{ t.checkout_step_schedule }}</span>
            <span class="checkout-step active">4. {{ t.checkout_step_picker }}</span>
        </div>

        {% if is_b2b %}
        <h1>{{ t.truck_choose_title }}</h1>
        <p style="color: var(--muted); margin-bottom: 20px;">{{ t.picker_delivering_to }} {{ checkout.address|default:t.picker_selected_location_default }} &middot; {{ total_weight_kg|floatformat:0 }} kg</p>

        {% if truck_options %}
        <label for="picker-instructions-shared">{{ t.picker_instructions_label }}</label>
        <textarea id="picker-instructions-shared" rows="2" maxlength="500" placeholder="{{ t.picker_instructions_placeholder }}" style="margin-bottom: 16px;"></textarea>

        <div class="truck-option-grid">
            {% for option in truck_options %}
            <form method="post" class="truck-option-card" data-picker-instructions-form>
                {% csrf_token %}
                <input type="hidden" name="truck_type_id" value="{{ option.truck_type.id }}">
                <span class="truck-icon">{{ option.truck_type.icon }}</span>
                <h3>{{ option.truck_type.name }}</h3>
                <p class="truck-capacity">{{ option.truck_type.capacity_label }}</p>
                <p class="truck-distance">~{{ option.distance_km }} {{ t.picker_km_away }}</p>
                <p class="truck-price">TSh {{ option.total|floatformat:0 }}</p>
                <button type="submit" class="btn-cta" style="width: 100%; margin-top: 10px;">{{ t.truck_book }}</button>
            </form>
            {% endfor %}
        </div>
        <p style="color: var(--muted); font-size: 0.82rem; margin-top: 8px;">{% if package_fee > 0 %}{{ t.schedule_fee_breakdown_note }}{% else %}{{ t.schedule_fee_breakdown_note_2part }}{% endif %}</p>
        {% else %}
        <p>{{ t.truck_none_available }}</p>
        {% endif %}

        {% else %}
        <h1>{{ t.picker_choose_title }}</h1>
        <p style="color: var(--muted); margin-bottom: 20px;">{{ t.picker_delivering_to }} {{ checkout.address|default:t.picker_selected_location_default }}</p>

        {% if pickers %}
        <div class="picker-select-grid" id="picker-select-grid">
            {% for p in pickers %}
            <a href="?picker_id={{ p.user_id }}" class="picker-select-card picker-select-link {% if selected_picker.user_id == p.user_id %}selected{% endif %}">
                <h3>{{ p.name }}</h3>
                <span class="source-type-tag">
                    {% if p.source_type == 'warehouse' %}{{ t.picker_source_warehouse }}{% elif p.source_type == 'shop' %}{{ t.picker_source_shop }}{% else %}{{ t.picker_source_market }}{% endif %}
                </span>
                {% if p.same_route %}
                <span class="surface-badge ok" style="display: block; margin-top: 6px; width: fit-content;">{{ t.picker_already_delivering }}{{ p.same_route_distance_km }} {{ t.picker_km_from_here }}</span>
                {% endif %}
                <p style="color: var(--muted); font-size: 0.88rem; margin-top: 4px;">{{ p.market_location|default:t.picker_market_base_default }}</p>
                <span class="distance">~{{ p.distance_km }} {{ t.picker_km_away_straight_line }}</span>
            </a>
            {% endfor %}
        </div>
        {% else %}
        <p>{{ t.picker_none_available }}</p>
        {% endif %}

        {% if selected_picker %}
        <div id="route-map" class="map-container"></div>
        <p id="amenities-status" style="color: var(--muted); font-size: 0.82rem;"></p>
        <div class="map-search-wrap" style="margin-bottom: 16px;">
            <input type="text" id="amenity-search" placeholder="{{ t.amenity_search_placeholder }}">
            <div class="geocode-results" id="amenity-search-results"></div>
        </div>

        <div class="cart-summary" style="margin-left: 0; max-width: 100%;">
            <div class="cart-summary-row">
                <span>{{ t.picker_route_distance }}</span>
                <span>{{ route_distance }} km</span>
            </div>
            {% if eta_with_buffer %}
            <div class="cart-summary-row">
                <span>{{ t.picker_travel_time }} <small style="color: var(--muted);">(incl. time-of-day traffic estimate)</small></span>
                <span>~{{ eta_with_buffer }} min</span>
            </div>
            {% endif %}
            <div class="cart-summary-row" id="road-condition-row">
                <span>{{ t.picker_road_condition }}</span>
                <span class="surface-badge" id="road-condition-badge">{{ t.picker_checking_road_conditions }}</span>
            </div>
            <div class="cart-summary-row">
                <span>{{ t.schedule_items_subtotal }}</span>
                <span>TSh {{ subtotal|floatformat:0 }}</span>
            </div>
            <div class="cart-summary-row">
                <span>{{ t.schedule_delivery_fee }}</span>
                <span>TSh {{ delivery_fee|floatformat:0 }}</span>
            </div>
            <div class="cart-summary-row">
                <span>{{ t.schedule_picking_fee }}</span>
                <span>TSh {{ picking_fee|floatformat:0 }}</span>
            </div>
            {% if package_fee > 0 %}
            <div class="cart-summary-row">
                <span>{{ t.schedule_package_fee }}</span>
                <span>TSh {{ package_fee|floatformat:0 }}</span>
            </div>
            {% endif %}
            <div class="cart-summary-row total">
                <span>{{ t.schedule_total }}</span>
                <span>TSh {{ total|floatformat:0 }}</span>
            </div>
        </div>
        <p style="color: var(--muted); font-size: 0.82rem; margin-top: 8px;">{% if package_fee > 0 %}{{ t.schedule_fee_breakdown_note }}{% else %}{{ t.schedule_fee_breakdown_note_2part }}{% endif %}</p>

        <form method="post" style="margin-top: 20px;">
            {% csrf_token %}
            <input type="hidden" name="picker_id" value="{{ selected_picker.user_id }}">
            <label for="picker-instructions">{{ t.picker_instructions_label }}</label>
            <textarea id="picker-instructions" name="picker_instructions" rows="2" maxlength="500" placeholder="{{ t.picker_instructions_placeholder }}"></textarea>
            <div style="text-align: right; margin-top: 12px;">
                <button type="submit" class="btn-cta">{{ t.schedule_confirm_order }}</button>
            </div>
        </form>
        {% endif %}
        {% endif %}
    </div>
</section>
{% endblock %}

{% block extra_scripts %}
<script>
    // Selecting a picker reloads the page (server recomputes the route) —
    // give immediate feedback on click rather than leaving the grid looking
    // unresponsive until the new page arrives.
    document.addEventListener('DOMContentLoaded', function () {
        document.querySelectorAll('.picker-select-link').forEach(function (link) {
            link.addEventListener('click', function () {
                document.querySelectorAll('.picker-select-link').forEach(function (l) { l.classList.add('loading'); });
                link.classList.add('selected-loading');
                link.insertAdjacentHTML('beforeend', '<span class="picker-loading-note">{{ t.picker_loading_route|escapejs }}</span>');
            });
        });

        // B2B: one shared instructions box above the truck cards — copied into
        // whichever truck's own form is the one actually submitted, since each
        // truck option is its own form (no single "confirm" step to attach it to).
        var sharedInstructions = document.getElementById('picker-instructions-shared');
        if (sharedInstructions) {
            document.querySelectorAll('[data-picker-instructions-form]').forEach(function (form) {
                form.addEventListener('submit', function () {
                    var hidden = document.createElement('input');
                    hidden.type = 'hidden';
                    hidden.name = 'picker_instructions';
                    hidden.value = sharedInstructions.value;
                    form.appendChild(hidden);
                });
            });
        }
    });
</script>
<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
<script src="{% static_v 'js/amenities.js' %}"></script>
<script src="{% static_v 'js/vehicle-icons.js' %}"></script>
<script src="{% static_v 'js/map-intelligence.js' %}"></script>
{% if selected_picker %}
<script>
    document.addEventListener('DOMContentLoaded', function () {
        var map = L.map('route-map');
        L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
            maxZoom: 19,
            attribution: '&copy; OpenStreetMap contributors',
        }).addTo(map);
        addTrafficLayer(map);
        addWeatherBadge(map, {{ checkout.lat }}, {{ checkout.lng }});

        var pickerLatLng = [{{ selected_picker.lat }}, {{ selected_picker.lng }}];
        var customerLatLng = [{{ checkout.lat }}, {{ checkout.lng }}];

        var pickerIcon = vehicleMarkerIcon('{{ selected_picker.vehicle_type|escapejs }}', { size: 36 });
        var pickerTag = pickerTagHtml('{{ selected_picker.name|escapejs }}', {
            availableLabel: '{{ t.picker_tag_available|escapejs }}',
            closeLabel: '{{ t.picker_tag_close_to_you|escapejs }}',
            isClose: {{ selected_picker.distance_km }} <= 2,
        });
        L.marker(pickerLatLng, { icon: pickerIcon }).addTo(map)
            .bindTooltip(pickerTag, { permanent: true, direction: 'top', offset: [0, -20], className: 'picker-tag' })
            .bindPopup('{{ selected_picker.name|escapejs }} {{ t.picker_popup_suffix|escapejs }}');
        L.marker(customerLatLng, { icon: circlePointIcon({}) }).addTo(map)
            .bindTooltip('{{ t.picker_popup_delivery_location|escapejs }}', { permanent: true, direction: 'top', offset: [0, -14], className: 'picker-tag' })
            .bindPopup('{{ t.picker_popup_delivery_location|escapejs }}');

        syncNearbyAmenities({{ checkout.lat }}, {{ checkout.lng }}, document.getElementById('amenities-status'));
        enableAmenitySearch(map, 'amenity-search', 'amenity-search-results', {{ checkout.lat }}, {{ checkout.lng }});

        var routeGeometry = null;
        {% if route_geometry_json %}
        routeGeometry = {{ route_geometry_json|safe }};
        var routeLine = L.geoJSON(routeGeometry, {
            style: { color: '#1c3fd6', weight: 5, opacity: 0.8 },
        }).addTo(map);
        map.fitBounds(routeLine.getBounds(), { padding: [30, 30] });
        {% else %}
        var bounds = L.latLngBounds([pickerLatLng, customerLatLng]);
        L.polyline([pickerLatLng, customerLatLng], { color: '#1c3fd6', weight: 3, dashArray: '6 8' }).addTo(map);
        map.fitBounds(bounds, { padding: [30, 30] });
        {% endif %}

        // Road-surface condition hits a shared public API that can be slow,
        // so it's fetched here (after the map + route are already visible)
        // instead of blocking the whole page on it.
        var badgeEl = document.getElementById('road-condition-badge');
        var rowEl = document.getElementById('road-condition-row');
        if (routeGeometry && badgeEl) {
            function getCsrfToken() {
                var match = document.cookie.match(/csrftoken=([^;]+)/);
                return match ? match[1] : '';
            }
            var body = new URLSearchParams();
            body.set('geometry', JSON.stringify(routeGeometry));
            fetch('{% url "market:checkout_surface_check" %}', {
                method: 'POST',
                headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'X-CSRFToken': getCsrfToken() },
                body: body.toString(),
            })
                .then(function (r) { return r.json(); })
                .then(function (data) {
                    var summary = data.surface_summary;
                    if (!summary) {
                        rowEl.style.display = 'none';
                        return;
                    }
                    badgeEl.textContent = summary.label + (summary.paved_pct != null ? ' (' + summary.paved_pct + '{{ t.picker_percent_paved|escapejs }})' : '');
                    badgeEl.classList.toggle('warn', summary.picker_ok === false);
                    badgeEl.classList.toggle('ok', summary.picker_ok === true);
                })
                .catch(function () {
                    rowEl.style.display = 'none';
                });
        } else if (rowEl) {
            rowEl.style.display = 'none';
        }
    });
</script>
{% endif %}
{% endblock %}