{% extends "base.html" %}
{% block title %}Settings — Pi Multi-FX Pedal{% endblock %}
{% block content %}
<div class="page settings-page">
    <div class="page-header">
        <h1>Settings</h1>
    </div>

    <div class="settings-layout">
        <!-- Left sidebar navigation -->
        <nav class="settings-sidebar">
            <a class="settings-nav-item active" href="#connection" data-tab="connection" onclick="switchTab('connection')">
                <span class="settings-nav-icon">🔌</span>
                <span class="settings-nav-label">Connection</span>
            </a>
            <a class="settings-nav-item" href="#audio" data-tab="audio" onclick="switchTab('audio')">
                <span class="settings-nav-icon">🎚️</span>
                <span class="settings-nav-label">Audio</span>
            </a>
            <a class="settings-nav-item" href="#routing" data-tab="routing" onclick="switchTab('routing')">
                <span class="settings-nav-icon">🔀</span>
                <span class="settings-nav-label">4CM Routing</span>
            </a>
            <a class="settings-nav-item" href="#network" data-tab="network" onclick="switchTab('network')">
                <span class="settings-nav-icon">📶</span>
                <span class="settings-nav-label">Network</span>
            </a>
            <a class="settings-nav-item" href="#bluetooth" data-tab="bluetooth" onclick="switchTab('bluetooth')">
                <span class="settings-nav-icon">🔵</span>
                <span class="settings-nav-label">Bluetooth</span>
            </a>
            <a class="settings-nav-item" href="#about" data-tab="about" onclick="switchTab('about')">
                <span class="settings-nav-icon">ℹ️</span>
                <span class="settings-nav-label">About</span>
            </a>
        </nav>

        <!-- Content area -->
        <div class="settings-content">
            <!-- Tab: Connection -->
            <div class="settings-panel active" id="tab-connection">
                <div class="card">
                    <div class="card-header"><h2>Connection</h2></div>
                    <div class="card-body">
                        <div class="setting-row">
                            <div class="setting-label">Hostname</div>
                            <div class="setting-value"><code id="hostname">pedal.local</code></div>
                        </div>
                        <div class="setting-row">
                            <div class="setting-label">Web Server</div>
                            <div class="setting-value"><code id="web-url">http://pedal.local:8080</code></div>
                        </div>
                        <div class="setting-row">
                            <div class="setting-label">Connected Clients</div>
                            <div class="setting-value"><span id="ws-count">0</span></div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Tab: Audio -->
            <div class="settings-panel" id="tab-audio">
                <div class="card">
                    <div class="card-header"><h2>Audio</h2></div>
                    <div class="card-body">
                        <div class="setting-row">
                            <div class="setting-label">Master Volume</div>
                            <div class="setting-value">
                                <input type="range" class="slider" id="settings-volume"
                                       min="0" max="100" value="{{ (master_volume * 100)|int }}"
                                       oninput="setVolume(this.value)">
                                <span id="settings-volume-text">{{ (master_volume * 100)|int }}%</span>
                            </div>
                        </div>
                        <div class="setting-row">
                            <div class="setting-label">Tuner</div>
                            <div class="setting-value">
                                <button class="btn toggle-btn {% if tuner_enabled %}active{% endif %}"
                                        id="settings-tuner-btn" onclick="toggleTuner()">
                                    {% if tuner_enabled %}ON{% else %}OFF{% endif %}
                                </button>
                            </div>
                        </div>
                        <div class="setting-row" style="border-bottom:none">
                            <div class="setting-label">Latency Profile</div>
                            <div class="setting-value">
                                <select id="audio-profile-select" class="profile-select"
                                        onchange="switchAudioProfile(this.value)">
                                    <option value="">Loading...</option>
                                </select>
                            </div>
                        </div>
                        <div class="setting-row" style="border-bottom:none">
                            <div class="setting-label">JACK Status</div>
                            <div class="setting-value">
                                <span id="jack-status" class="jack-check">—</span>
                                <button class="btn btn-secondary btn-sm" onclick="refreshAudioProfile()">⟳</button>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Tab: 4CM Routing -->
            <div class="settings-panel" id="tab-routing">
                <div class="card">
                    <div class="card-header"><h2>4-Cable Method (4CM)</h2></div>
                    <div class="card-body">
                        <div class="setting-row">
                            <div class="setting-label">4CM Mode</div>
                            <div class="setting-value">
                                <button class="btn toggle-btn {% if routing_mode == '4cm' %}active{% endif %}"
                                        id="4cm-toggle-btn" onclick="toggle4cm()">
                                    {% if routing_mode == '4cm' %}ON{% else %}OFF{% endif %}
                                </button>
                            </div>
                        </div>
                        <div class="setting-row" id="breakpoint-row"
                             {% if routing_mode != '4cm' %}style="opacity: 0.4; pointer-events: none;"{% endif %}>
                            <div class="setting-label">Breakpoint</div>
                            <div class="setting-value">
                                <input type="range" class="slider" id="4cm-breakpoint"
                                       min="0" max="16" value="{{ routing_breakpoint }}"
                                       oninput="set4cmBreakpoint(this.value)">
                                <span id="4cm-breakpoint-text">{{ routing_breakpoint }}</span>
                            </div>
                        </div>
                        <div class="setting-row">
                            <div class="setting-label">Routing</div>
                            <div class="setting-value">
                                <span id="4cm-routing-desc" class="routing-desc">
                                    {% if routing_mode == '4cm' %}
                                        Input 1 (Guitar) → Pre blocks [0..{{ routing_breakpoint }}) → Send
                                        &nbsp;|&nbsp; Input 2 (Return) → Post blocks [{{ routing_breakpoint }}..] → Output
                                    {% else %}
                                        Mono: Guitar → Full chain → Output
                                    {% endif %}
                                </span>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Tab: Network -->
            <div class="settings-panel" id="tab-network">
                <!-- WiFi Client Status -->
                <div class="card" id="wifi-status-card">
                    <div class="card-header"><h2>WiFi Status</h2></div>
                    <div class="card-body">
                        <div class="network-status-row">
                            <div class="network-status-icon" id="wifi-icon">📶</div>
                            <div class="network-status-info">
                                <div class="network-ssid" id="wifi-ssid">—</div>
                                <div class="network-ip" id="wifi-ip">—</div>
                                <div class="network-signal"><span id="wifi-signal-text">—</span></div>
                            </div>
                            <button class="btn btn-secondary" onclick="refreshWiFiStatus()">Refresh</button>
                        </div>
                    </div>
                </div>

                <!-- WiFi Scan & Connect -->
                <div class="card">
                    <div class="card-header">
                        <h2>WiFi Networks</h2>
                        <button class="btn btn-secondary" onclick="scanWiFi()" id="wifi-scan-btn">Scan</button>
                    </div>
                    <div class="card-body" id="wifi-scan-results">
                        <div class="hint">Click Scan to find available WiFi networks.</div>
                    </div>
                </div>

                <!-- Known Networks -->
                <div class="card" id="wifi-saved-card">
                    <div class="card-header"><h2>Known Networks</h2></div>
                    <div class="card-body" id="wifi-saved-list">
                        <div class="loading">Loading...</div>
                    </div>
                </div>

                <!-- Hotspot -->
                <div class="card">
                    <div class="card-header"><h2>WiFi Hotspot</h2></div>
                    <div class="card-body">
                        <div class="hotspot-controls">
                            <div class="setting-row">
                                <div class="setting-label">Hotspot Status</div>
                                <div class="setting-value">
                                    <span id="hotspot-status-indicator" class="hotspot-indicator hotspot-off">Off</span>
                                </div>
                            </div>
                            <div class="setting-row" id="hotspot-ssid-row">
                                <div class="setting-label">SSID</div>
                                <div class="setting-value">
                                    <input type="text" class="network-input" id="hotspot-ssid" value="Pi-Pedal" maxlength="32">
                                </div>
                            </div>
                            <div class="setting-row" id="hotspot-psk-row">
                                <div class="setting-label">Password</div>
                                <div class="setting-value">
                                    <input type="password" class="network-input" id="hotspot-psk" value="pedal1234" maxlength="63">
                                </div>
                            </div>
                            <div class="setting-row">
                                <div class="setting-label">Connected Clients</div>
                                <div class="setting-value"><span id="hotspot-clients">0</span></div>
                            </div>
                            <div class="hotspot-actions">
                                <button class="btn btn-primary" id="hotspot-enable-btn" onclick="enableHotspot()">Enable Hotspot</button>
                                <button class="btn btn-danger" id="hotspot-disable-btn" onclick="disableHotspot()">Disable Hotspot</button>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Tab: Bluetooth -->
            <div class="settings-panel" id="tab-bluetooth">
                <!-- BT Adapter Status -->
                <div class="card">
                    <div class="card-header"><h2>Bluetooth</h2></div>
                    <div class="card-body">
                        <div class="setting-row">
                            <div class="setting-label">Bluetooth</div>
                            <div class="setting-value">
                                <button class="btn toggle-btn" id="bt-power-btn" onclick="toggleBTPower()">OFF</button>
                            </div>
                        </div>
                        <div class="setting-row">
                            <div class="setting-label">Discoverable</div>
                            <div class="setting-value">
                                <button class="btn toggle-btn" id="bt-discoverable-btn" onclick="toggleBTDiscoverable()">OFF</button>
                            </div>
                        </div>
                        <div class="setting-row">
                            <div class="setting-label">Adapter Name</div>
                            <div class="setting-value"><span id="bt-adapter-name">—</span></div>
                        </div>
                        <div class="setting-row">
                            <div class="setting-label">Address</div>
                            <div class="setting-value"><code id="bt-address">—</code></div>
                        </div>
                    </div>
                </div>

                <!-- BT Scan -->
                <div class="card">
                    <div class="card-header">
                        <h2>Discover Devices</h2>
                        <button class="btn btn-secondary" onclick="scanBT()" id="bt-scan-btn">Scan</button>
                    </div>
                    <div class="card-body" id="bt-scan-results">
                        <div class="hint">Click Scan to find discoverable Bluetooth devices.</div>
                    </div>
                </div>

                <!-- Paired Devices -->
                <div class="card">
                    <div class="card-header"><h2>Paired Devices</h2></div>
                    <div class="card-body" id="bt-paired-list">
                        <div class="loading">Loading...</div>
                    </div>
                </div>

                <!-- BT MIDI Service -->
                <div class="card">
                    <div class="card-header"><h2>Bluetooth MIDI</h2></div>
                    <div class="card-body">
                        <div class="setting-row">
                            <div class="setting-label">BT MIDI Service</div>
                            <div class="setting-value">
                                <span class="bt-midi-indicator" id="bt-midi-indicator">Off</span>
                            </div>
                        </div>
                        <div class="bt-midi-actions">
                            <button class="btn btn-primary" id="bt-midi-enable-btn" onclick="enableBTMIDI()">Enable</button>
                            <button class="btn btn-danger" id="bt-midi-disable-btn" onclick="disableBTMIDI()">Disable</button>
                        </div>
                        <div class="setting-row mt-8">
                            <div class="setting-label">Connected MIDI Devices</div>
                            <div class="setting-value" id="bt-midi-devices">
                                <span class="hint">None connected</span>
                            </div>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Tab: About -->
            <div class="settings-panel" id="tab-about">
                <div class="card">
                    <div class="card-header"><h2>About</h2></div>
                    <div class="card-body">
                        <div class="about-info">
                            <p><strong>Pi Multi-FX Pedal</strong> v0.1.0</p>
                            <p>Raspberry Pi 4B — Python 3.11 — JACK Audio</p>
                            <p><a href="https://gitea.ourpad.casa/shawn/pi-multifx-pedal" target="_blank">Gitea Repository</a></p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- WiFi connect modal -->
    <div class="modal-overlay" id="wifi-connect-modal" style="display:none;" onclick="if(event.target===this)closeWiFiModal()">
        <div class="modal">
            <div class="modal-header">
                <h2>Connect to <span id="wifi-modal-ssid"></span></h2>
                <button class="btn-close" onclick="closeWiFiModal()">&times;</button>
            </div>
            <div class="modal-body">
                <div class="setting-row">
                    <div class="setting-label">Password</div>
                    <div class="setting-value">
                        <input type="password" class="network-input" id="wifi-modal-password" placeholder="Enter WiFi password">
                    </div>
                </div>
                <div class="modal-footer">
                    <button class="btn btn-primary" onclick="connectWiFi()">Connect</button>
                    <button class="btn btn-secondary" onclick="closeWiFiModal()">Cancel</button>
                </div>
                <div id="wifi-modal-error" class="network-error mt-8"></div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script src="/static/network.js"></script>
<script src="/static/bluetooth.js"></script>
<script>
/* ── Tab switching (left nav) ──────────────────────────────────── */
function switchTab(tabId) {
    // Update nav items
    document.querySelectorAll('.settings-nav-item').forEach(a => a.classList.remove('active'));
    document.querySelector(`.settings-nav-item[data-tab="${tabId}"]`).classList.add('active');

    // Update panels
    document.querySelectorAll('.settings-panel').forEach(p => p.classList.remove('active'));
    document.getElementById(`tab-${tabId}`).classList.add('active');

    // Sync URL hash
    if (window.location.hash !== `#${tabId}`) {
        history.pushState(null, '', `#${tabId}`);
    }

    // Refresh tab data when switching to it
    if (tabId === 'network') {
        refreshWiFiStatus();
        loadSavedNetworks();
    } else if (tabId === 'bluetooth') {
        refreshBTStatus();
        refreshBTMIDIStatus();
        loadPairedDevices();
    } else if (tabId === 'audio') {
        refreshAudioProfile();
    }
}

/* ── Initial load & hash routing ───────────────────────────────── */
document.addEventListener('DOMContentLoaded', () => {
    const hash = window.location.hash.replace('#', '');
    const valid = ['connection', 'audio', 'routing', 'network', 'bluetooth', 'about'];
    if (valid.includes(hash)) {
        switchTab(hash);
    }
});

/* ── Listen for back/forward navigation ───────────────────────── */
window.addEventListener('popstate', () => {
    const hash = window.location.hash.replace('#', '');
    const valid = ['connection', 'audio', 'routing', 'network', 'bluetooth', 'about'];
    if (valid.includes(hash)) {
        switchTab(hash);
    }
});
</script>
{% endblock %}