{% extends "base.html" %}
{% block title %}Pools — nanio-orchestrator{% endblock %}
{% block content %}
<h1>Upstream Pools</h1>

<div class="actions">
    <button class="btn btn-primary" onclick="showModal('create-pool-modal')">+ New Pool</button>
</div>

{% for pool in pools %}
<div class="card">
    <div class="card-header">
        <h3>{{ pool.name }}</h3>
        <div class="card-badges">
            <span class="badge type-{{ pool.type }}">{{ pool.type }}</span>
            <span class="badge">{{ pool.lb_method }}</span>
            <span class="badge">keepalive={{ pool.keepalive }}</span>
        </div>
        <div class="card-actions">
            <button class="btn btn-sm" onclick="editPool({{ pool.id }})">Edit</button>
            <button class="btn btn-sm" onclick="previewPool({{ pool.id }})">Preview</button>
            <button class="btn btn-sm btn-danger" onclick="deletePool({{ pool.id }}, '{{ pool.name }}')">Delete</button>
        </div>
    </div>
    {% if pool.description %}
    <p class="description">{{ pool.description }}</p>
    {% endif %}
    {% if pool.type == 'http' and pool.source_nanio_pool_id %}
    <p style="color:var(--text-muted);font-size:0.9rem;margin:0.3rem 0">
        ↳ backed by:
        {% for np in nanio_pools %}{% if np.id == pool.source_nanio_pool_id %}<strong>{{ np.name }}</strong>{% endif %}{% endfor %}
    </p>
    {% endif %}

    <h4>Members</h4>
    <table>
        <thead>
            <tr>
                <th>Address</th>
                <th>Role</th>
                <th>Weight</th>
                <th>Max Fails</th>
                <th>Fail Timeout</th>
                <th>Status</th>
                <th>Actions</th>
            </tr>
        </thead>
        <tbody>
        {% for m in pool.members %}
            <tr>
                <td><code>{{ m.address }}</code></td>
                <td><span class="badge role-{{ m.role }}">{{ m.role }}</span></td>
                <td>{{ m.weight }}</td>
                <td>{{ m.max_fails }}</td>
                <td>{{ m.fail_timeout_s }}s</td>
                <td>
                    {% if m.enabled %}<span class="badge ok">enabled</span>{% else %}<span class="badge warn">disabled</span>{% endif %}
                </td>
                <td>
                    <button class="btn btn-xs" onclick="showNodeSetup({{ pool.id }}, {{ m.id }}, '{{ m.address }}', '{{ pool.type }}')">Node Setup</button>
                    <button class="btn btn-xs btn-danger" onclick="deleteMember({{ pool.id }}, {{ m.id }})">×</button>
                </td>
            </tr>
        {% endfor %}
        {% if not pool.members %}
            <tr><td colspan="7" class="empty">No members yet</td></tr>
        {% endif %}
        </tbody>
    </table>
    <button class="btn btn-sm" onclick="showAddMember({{ pool.id }}, '{{ pool.type }}')">+ Add Member</button>

    {% if pool.type == 'nanio' %}
    <div style="margin-top:0.5rem">
        <strong>S3 Credentials:</strong>
        <button class="btn btn-xs" onclick="showCredentials({{ pool.id }})">View</button>
        <button class="btn btn-xs" onclick="setCredentials({{ pool.id }})">Set</button>
        <button class="btn btn-xs btn-danger" onclick="deleteCredentials({{ pool.id }})">Delete</button>
    </div>
    {% endif %}
</div>
{% endfor %}

{% if not pools %}
<div class="card empty-state">
    <p>No pools configured yet. Create your first upstream pool to get started.</p>
</div>
{% endif %}

<!-- Create Pool Modal -->
<div id="create-pool-modal" class="modal hidden">
    <div class="modal-content">
        <h3>Create Pool</h3>
        <form id="create-pool-form" onsubmit="createPool(event)">
            <label>Name <input type="text" name="name" required pattern="[a-zA-Z0-9_-]+" placeholder="pool-2025"></label>
            <label>Description <input type="text" name="description" placeholder="Optional"></label>
            <label>Type
                <select name="type" onchange="togglePoolTypeFields(this, 'create')">
                    <option value="nanio">nanio (shared storage)</option>
                    <option value="http">http (read-only serve)</option>
                </select>
            </label>
            <label>LB Method
                <select name="lb_method">
                    <option value="least_conn">least_conn</option>
                    <option value="round_robin">round_robin</option>
                    <option value="ip_hash">ip_hash</option>
                </select>
            </label>
            <label>Keepalive <input type="number" name="keepalive" value="32" min="0" max="1024"></label>
            <div id="create-backing-nanio-row" style="display:none">
                <label>Backing nanio pool (optional)
                    <select name="source_nanio_pool_id" id="create-source-nanio-select">
                        <option value="">— none —</option>
                        {% for np in nanio_pools %}
                        <option value="{{ np.id }}">{{ np.name }}</option>
                        {% endfor %}
                    </select>
                </label>
            </div>
            <div class="modal-actions">
                <button type="submit" class="btn btn-primary">Create</button>
                <button type="button" class="btn" onclick="hideModal('create-pool-modal')">Cancel</button>
            </div>
        </form>
    </div>
</div>

<!-- Edit Pool Modal -->
<div id="edit-pool-modal" class="modal hidden">
    <div class="modal-content">
        <h3>Edit Pool</h3>
        <form id="edit-pool-form" onsubmit="submitEditPool(event)">
            <input type="hidden" name="pool_id" id="edit-pool-id">
            <p id="edit-pool-type-display" style="color:var(--text-muted);font-size:0.9rem;margin:0 0 0.5rem"></p>
            <label>Name <input type="text" name="name" id="edit-pool-name" required pattern="[a-zA-Z0-9_-]+"></label>
            <label>Description <input type="text" name="description" id="edit-pool-description" placeholder="Optional"></label>
            <label>LB Method
                <select name="lb_method" id="edit-pool-lb-method">
                    <option value="least_conn">least_conn</option>
                    <option value="round_robin">round_robin</option>
                    <option value="ip_hash">ip_hash</option>
                </select>
            </label>
            <label>Keepalive <input type="number" name="keepalive" id="edit-pool-keepalive" min="0" max="1024"></label>
            <div id="edit-backing-nanio-row" style="display:none">
                <label>Backing nanio pool (optional)
                    <select name="source_nanio_pool_id" id="edit-source-nanio-select">
                        <option value="">— none —</option>
                        {% for np in nanio_pools %}
                        <option value="{{ np.id }}">{{ np.name }}</option>
                        {% endfor %}
                    </select>
                </label>
            </div>
            <div class="modal-actions">
                <button type="submit" class="btn btn-primary">Save</button>
                <button type="button" class="btn" onclick="hideModal('edit-pool-modal')">Cancel</button>
            </div>
        </form>
    </div>
</div>

<!-- Add Member Modal -->
<div id="add-member-modal" class="modal hidden">
    <div class="modal-content">
        <h3>Add Member</h3>
        <form id="add-member-form" onsubmit="addMember(event)">
            <input type="hidden" name="pool_id" id="member-pool-id">
            <label>Address <input type="text" name="address" required placeholder="10.0.1.10:9000"></label>
            <label id="member-role-label">Role
                <select name="role" id="member-role-select">
                    <option value="active">active</option>
                    <option value="primary">primary</option>
                    <option value="replica">replica</option>
                </select>
            </label>
            <label>Weight <input type="number" name="weight" value="1" min="1" max="100"></label>
            <label>Max Fails <input type="number" name="max_fails" value="3" min="0" max="100"></label>
            <label>Fail Timeout (s) <input type="number" name="fail_timeout_s" value="30" min="0" max="600"></label>
            <div class="modal-actions">
                <button type="submit" class="btn btn-primary">Add</button>
                <button type="button" class="btn" onclick="hideModal('add-member-modal')">Cancel</button>
            </div>
        </form>
    </div>
</div>

<!-- Node Setup Modal -->
<div id="node-setup-modal" class="modal hidden">
    <div class="modal-content modal-wide">
        <h3>Node Setup — <span id="node-setup-address"></span></h3>
        <form id="node-setup-form" onsubmit="generateNodeConfig(event)">
            <input type="hidden" name="pool_id" id="node-pool-id">
            <input type="hidden" name="member_id" id="node-member-id">
            <label>Node Type
                <select name="node_type" id="node-type-select" onchange="toggleNanioFields()">
                    <option value="nanio-only">nanio-only</option>
                    <option value="nginx-only">nginx-only</option>
                    <option value="nginx-nanio">nginx + nanio</option>
                </select>
            </label>
            <label>Data Directory <input type="text" name="data_dir" value="/data"></label>
            <div id="nanio-fields">
                <label>Nanio Port <input type="number" name="nanio_port" value="9000"></label>
                <label>Nanio Host <input type="text" name="nanio_host" value="0.0.0.0"></label>
                <label>Region <input type="text" name="nanio_region" value="us-east-1"></label>
                <label>Access Key <input type="text" name="access_key" placeholder="Optional"></label>
                <label>Secret Key <input type="text" name="secret_key" placeholder="Optional"></label>
            </div>
            <div class="modal-actions">
                <button type="submit" class="btn btn-primary">Generate Config</button>
                <button type="button" class="btn" onclick="hideModal('node-setup-modal')">Cancel</button>
            </div>
        </form>
        <div id="node-config-output" class="hidden">
            <h4>Generated Config Files</h4>
            <div id="node-config-files"></div>
            <p id="node-config-instructions" class="instructions"></p>
        </div>
    </div>
</div>

<!-- Preview Modal -->
<div id="preview-modal" class="modal hidden">
    <div class="modal-content modal-wide">
        <h3>Config Preview</h3>
        <pre id="preview-content" class="output"></pre>
        <div class="modal-actions">
            <button class="btn" onclick="hideModal('preview-modal')">Close</button>
        </div>
    </div>
</div>
{% endblock %}