{% extends "base.html" %}
{% block title %}Offers — Vela Platform{% endblock %}
{% block content %}

<div class="d-flex justify-content-between align-items-center mb-4">
    <h2 class="mb-0"><i class="bi bi-gear"></i> Offers &amp; Pricing</h2>
    {% if current_user.role == 'admin' %}
    <button class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#serviceModal"
            onclick="resetServiceForm()">
        <i class="bi bi-plus-lg"></i> Add Offer
    </button>
    {% endif %}
</div>

{% for s in services %}
<div class="card mb-4" id="svc-card-{{ s.id }}">
    <!-- Service Header -->
    <div class="card-header d-flex justify-content-between align-items-center"
         style="cursor: pointer;" onclick="toggleService({{ s.id }})">
        <div>
            <strong class="fs-5">{{ s.name }}</strong>
            <small class="text-muted ms-2">{{ s.description }}</small>
        </div>
        <div class="d-flex align-items-center gap-3">
            <span class="badge bg-success fs-6">Sell: {{ "%.0f"|format(s.sell_price) }} MAD</span>
            <span class="badge bg-danger fs-6">Cost: {{ "%.0f"|format(s.cost_price) }} MAD</span>
            <span class="badge {{ 'bg-success' if (s.sell_price - s.cost_price) > 0 else 'bg-warning' }} fs-6">
                Margin: {{ "%.0f"|format(s.sell_price - s.cost_price) }} MAD
            </span>
            <span class="badge {{ 'bg-success' if s.active else 'bg-secondary' }}">
                {{ 'Active' if s.active else 'Inactive' }}
            </span>
            <i class="bi bi-chevron-down" id="chevron-{{ s.id }}"></i>
        </div>
    </div>

    <!-- Service Body (collapse) -->
    <div id="svc-body-{{ s.id }}">
        <div class="card-body p-0">
            <div class="table-responsive">
                <table class="table table-hover mb-0">
                    <thead class="table-light">
                        <tr>
                            <th style="width:22%">Component</th>
                            <th style="width:14%">Unit Cost</th>
                            <th style="width:14%">Unit Sell</th>
                            <th style="width:8%">Qty</th>
                            <th style="width:14%">Row Cost</th>
                            <th style="width:14%">Row Sell</th>
                            <th style="width:8%">Margin</th>
                            {% if current_user.role == 'admin' %}
                            <th style="width:6%"></th>
                            {% endif %}
                        </tr>
                    </thead>
                    <tbody id="comp-tbody-{{ s.id }}">
                        {% for c in s.components %}
                        <tr class="component-row" id="comp-row-{{ c.id }}">
                            <td><strong>{{ c.name }}</strong>
                                {% if c.notes %}<br><small class="text-muted">{{ c.notes }}</small>{% endif %}
                            </td>
                            <td>{{ "%.0f"|format(c.unit_cost) }}</td>
                            <td>{{ "%.0f"|format(c.unit_sell) }}</td>
                            <td>{{ c.quantity }}</td>
                            <td>{{ "%.0f"|format(c.unit_cost * c.quantity) }}</td>
                            <td>{{ "%.0f"|format(c.unit_sell * c.quantity) }}</td>
                            <td class="{{ 'text-success' if (c.unit_sell - c.unit_cost) > 0 else 'text-danger' }}">
                                {{ "%.0f"|format(c.unit_sell - c.unit_cost) }}
                            </td>
                            {% if current_user.role == 'admin' %}
                            <td>
                                <div class="btn-group btn-group-sm">
                                    <button class="btn btn-outline-secondary"
                                            onclick="editComponent({{ c.id }}, '{{ c.name|e }}', {{ c.unit_cost }}, {{ c.unit_sell }}, {{ c.quantity }}, '{{ c.notes|e }}')">
                                        <i class="bi bi-pencil"></i>
                                    </button>
                                    <button class="btn btn-outline-danger"
                                            onclick="deleteComponent({{ c.id }})">
                                        <i class="bi bi-trash"></i>
                                    </button>
                                </div>
                            </td>
                            {% endif %}
                        </tr>
                        {% else %}
                        <tr class="text-muted"><td colspan="8" class="text-center py-3">No components yet.</td></tr>
                        {% endfor %}
                    </tbody>
                    <tfoot class="table-light fw-bold">
                        <tr>
                            <td>TOTAL</td>
                            <td></td>
                            <td></td>
                            <td></td>
                            <td id="tot-cost-{{ s.id }}">{{ "%.0f"|format(s.cost_price) }}</td>
                            <td id="tot-sell-{{ s.id }}">{{ "%.0f"|format(s.sell_price) }}</td>
                            <td id="tot-margin-{{ s.id }}"
                                class="{{ 'text-success' if (s.sell_price - s.cost_price) > 0 else 'text-danger' }}">
                                {{ "%.0f"|format(s.sell_price - s.cost_price) }}
                            </td>
                            {% if current_user.role == 'admin' %}
                            <td>
                                <button class="btn btn-sm btn-outline-primary"
                                        onclick="addComponent({{ s.id }})">
                                    <i class="bi bi-plus-lg"></i>
                                </button>
                            </td>
                            {% endif %}
                        </tr>
                    </tfoot>
                </table>
            </div>
        </div>
    </div>
</div>
{% else %}
<div class="card">
    <div class="card-body text-center text-muted py-5">
        <i class="bi bi-box" style="font-size: 3rem;"></i>
        <p class="mt-3">No offers yet. Create your first one!</p>
    </div>
</div>
{% endfor %}

{% if current_user.role == 'admin' %}
<!-- Add/Edit Service Modal -->
<div class="modal fade" id="serviceModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <form id="serviceForm">
                <div class="modal-header">
                    <h5 class="modal-title" id="serviceModalTitle">Add Offer</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <div class="modal-body">
                    <input type="hidden" id="svcId" name="id" value="">
                    <div class="mb-3">
                        <label for="svcName" class="form-label">Offer Name</label>
                        <input type="text" class="form-control" id="svcName" name="name"
                               placeholder="e.g., Atlas" required>
                    </div>
                    <div class="mb-3">
                        <label for="svcDesc" class="form-label">Description</label>
                        <input type="text" class="form-control" id="svcDesc" name="description"
                               placeholder="Short description">
                    </div>
                    <div id="svcError" class="alert alert-danger d-none py-2"></div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary">Save</button>
                </div>
            </form>
        </div>
    </div>
</div>

<!-- Add/Edit Component Modal -->
<div class="modal fade" id="compModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <form id="compForm">
                <div class="modal-header">
                    <h5 class="modal-title" id="compModalTitle">Add Component</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <div class="modal-body">
                    <input type="hidden" id="compId" name="comp_id" value="">
                    <input type="hidden" id="compServiceId" name="service_id" value="">
                    <div class="mb-3">
                        <label for="compName" class="form-label">Component Name</label>
                        <input type="text" class="form-control" id="compName" name="name"
                               placeholder="e.g., RAM, HDD, Transport" required>
                    </div>
                    <div class="row g-2 mb-3">
                        <div class="col-6">
                            <label for="compUnitCost" class="form-label">Unit Cost (MAD)</label>
                            <input type="number" class="form-control" id="compUnitCost" name="unit_cost"
                                   step="0.01" min="0" value="0" required>
                        </div>
                        <div class="col-6">
                            <label for="compUnitSell" class="form-label">Unit Sell (MAD)</label>
                            <input type="number" class="form-control" id="compUnitSell" name="unit_sell"
                                   step="0.01" min="0" value="0" required>
                        </div>
                    </div>
                    <div class="row g-2 mb-3">
                        <div class="col-4">
                            <label for="compQty" class="form-label">Quantity</label>
                            <input type="number" class="form-control" id="compQty" name="quantity"
                                   min="1" value="1" required>
                        </div>
                        <div class="col-8">
                            <label for="compNotes" class="form-label">Notes</label>
                            <input type="text" class="form-control" id="compNotes" name="notes"
                                   placeholder="Optional notes">
                        </div>
                    </div>
                    <div id="compError" class="alert alert-danger d-none py-2"></div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary">Save Component</button>
                </div>
            </form>
        </div>
    </div>
</div>
{% endif %}

{% endblock %}
{% block scripts %}
<script>
{% if current_user.role == 'admin' %}
const compModal = new bootstrap.Modal(document.getElementById('compModal'));
const svcModal = new bootstrap.Modal(document.getElementById('serviceModal'));

// Toggle service body
function toggleService(id) {
    const body = document.getElementById(`svc-body-${id}`);
    const chevron = document.getElementById(`chevron-${id}`);
    if (body.style.display === 'none') {
        body.style.display = '';
        chevron.className = 'bi bi-chevron-down';
    } else {
        body.style.display = 'none';
        chevron.className = 'bi bi-chevron-up';
    }
}

// Service CRUD
function resetServiceForm() {
    document.getElementById('svcId').value = '';
    document.getElementById('svcName').value = '';
    document.getElementById('svcDesc').value = '';
    document.getElementById('serviceModalTitle').textContent = 'Add Offer';
    document.getElementById('svcError').classList.add('d-none');
}

document.getElementById('serviceForm').addEventListener('submit', async (e) => {
    e.preventDefault();
    const svcError = document.getElementById('svcError');
    svcError.classList.add('d-none');

    const formData = new FormData(e.target);
    const id = formData.get('id');
    const isEdit = !!id;

    try {
        const url = isEdit ? `/api/services/${id}` : '/api/services';
        const method = isEdit ? 'PUT' : 'POST';
        const resp = await apiFetch(url, { method, body: formData });
        if (!resp.ok) {
            const data = await resp.json();
            svcError.textContent = data.detail || 'Failed to save offer';
            svcError.classList.remove('d-none');
            return;
        }
        svcModal.hide();
        window.location.reload();
    } catch (err) {
        svcError.textContent = 'Error saving offer';
        svcError.classList.remove('d-none');
    }
});

// Component CRUD
function addComponent(serviceId) {
    document.getElementById('compId').value = '';
    document.getElementById('compServiceId').value = serviceId;
    document.getElementById('compName').value = '';
    document.getElementById('compUnitCost').value = '0';
    document.getElementById('compUnitSell').value = '0';
    document.getElementById('compQty').value = '1';
    document.getElementById('compNotes').value = '';
    document.getElementById('compModalTitle').textContent = 'Add Component';
    document.getElementById('compError').classList.add('d-none');
    compModal.show();
}

function editComponent(id, name, unitCost, unitSell, qty, notes) {
    // Find the service ID from the card
    const row = document.getElementById(`comp-row-${id}`);
    const card = row.closest('.card');
    const cardId = card.id; // svc-card-N
    const svcId = parseInt(cardId.split('-')[2]);

    document.getElementById('compId').value = id;
    document.getElementById('compServiceId').value = svcId;
    document.getElementById('compName').value = name;
    document.getElementById('compUnitCost').value = unitCost;
    document.getElementById('compUnitSell').value = unitSell;
    document.getElementById('compQty').value = qty;
    document.getElementById('compNotes').value = notes;
    document.getElementById('compModalTitle').textContent = 'Edit Component';
    document.getElementById('compError').classList.add('d-none');
    compModal.show();
}

document.getElementById('compForm').addEventListener('submit', async (e) => {
    e.preventDefault();
    const compError = document.getElementById('compError');
    compError.classList.add('d-none');

    const compId = document.getElementById('compId').value;
    const serviceId = document.getElementById('compServiceId').value;
    const name = document.getElementById('compName').value;
    const unitCost = parseFloat(document.getElementById('compUnitCost').value) || 0;
    const unitSell = parseFloat(document.getElementById('compUnitSell').value) || 0;
    const quantity = parseInt(document.getElementById('compQty').value) || 1;
    const notes = document.getElementById('compNotes').value;

    const body = JSON.stringify({ name, unit_cost: unitCost, unit_sell: unitSell, quantity, notes });
    const isEdit = !!compId;

    try {
        const url = isEdit ? `/api/components/${compId}` : `/api/services/${serviceId}/components`;
        const method = isEdit ? 'PUT' : 'POST';
        const resp = await apiFetch(url, { method, body });
        if (!resp.ok) {
            const data = await resp.json();
            compError.textContent = data.detail || 'Failed to save component';
            compError.classList.remove('d-none');
            return;
        }
        compModal.hide();
        window.location.reload();
    } catch (err) {
        compError.textContent = 'Error saving component';
        compError.classList.remove('d-none');
    }
});

async function deleteComponent(id) {
    if (!confirm('Delete this component?')) return;
    try {
        const resp = await apiFetch(`/api/components/${id}`, { method: 'DELETE' });
        if (resp.ok) window.location.reload();
    } catch (err) {
        alert('Error deleting component');
    }
}
{% endif %}
</script>
{% endblock %}