{% extends "base.html" %}

{% block title %}Einstellungen - VideoKonverter{% endblock %}

{% block content %}
<section class="admin-section">
    <h2>Einstellungen</h2>

    <form hx-post="/htmx/settings" hx-target="#save-result" hx-swap="innerHTML">

        <!-- Encoding -->
        <fieldset>
            <legend>Encoding</legend>
            <div class="form-grid">
                <div class="form-group">
                    <label for="encoding_mode">Modus</label>
                    <select name="encoding_mode" id="encoding_mode">
                        <option value="cpu" {% if settings.encoding.mode == 'cpu' %}selected{% endif %}>CPU</option>
                        <option value="gpu" {% if settings.encoding.mode == 'gpu' %}selected{% endif %}>GPU (Intel VAAPI)</option>
                        <option value="auto" {% if settings.encoding.mode == 'auto' %}selected{% endif %}>Auto-Erkennung</option>
                    </select>
                </div>

                <div class="form-group">
                    <label for="gpu_device">GPU Device</label>
                    <select name="gpu_device" id="gpu_device">
                        {% for device in gpu_devices %}
                        <option value="{{ device }}" {% if device == settings.encoding.gpu_device %}selected{% endif %}>{{ device }}</option>
                        {% endfor %}
                        {% if not gpu_devices %}
                        <option value="/dev/dri/renderD128">Keine GPU erkannt</option>
                        {% endif %}
                    </select>
                    {% if gpu_available %}
                    <span class="status-badge ok">GPU verfuegbar</span>
                    {% else %}
                    <span class="status-badge warn">Keine GPU</span>
                    {% endif %}
                </div>

                <div class="form-group">
                    <label for="default_preset">Standard-Preset</label>
                    <select name="default_preset" id="default_preset">
                        {% for key, preset in presets.items() %}
                        <option value="{{ key }}" {% if key == settings.encoding.default_preset %}selected{% endif %}>{{ preset.name }}</option>
                        {% endfor %}
                    </select>
                </div>

                <div class="form-group">
                    <label for="max_parallel_jobs">Max. parallele Jobs</label>
                    <input type="number" name="max_parallel_jobs" id="max_parallel_jobs"
                           value="{{ settings.encoding.max_parallel_jobs }}" min="1" max="8">
                </div>
            </div>
        </fieldset>

        <!-- Dateien -->
        <fieldset>
            <legend>Dateien</legend>
            <div class="form-grid">
                <div class="form-group">
                    <label for="target_container">Ziel-Container</label>
                    <select name="target_container" id="target_container">
                        <option value="webm" {% if settings.files.target_container == 'webm' %}selected{% endif %}>WebM (AV1/Opus)</option>
                        <option value="mkv" {% if settings.files.target_container == 'mkv' %}selected{% endif %}>MKV (Matroska)</option>
                        <option value="mp4" {% if settings.files.target_container == 'mp4' %}selected{% endif %}>MP4</option>
                    </select>
                </div>

                <div class="form-group">
                    <label for="target_folder">Ziel-Ordner</label>
                    <input type="text" name="target_folder" id="target_folder"
                           value="{{ settings.files.target_folder }}"
                           placeholder="same = gleicher Ordner">
                </div>

                <div class="form-group checkbox-group">
                    <label>
                        <input type="checkbox" name="delete_source"
                               {% if settings.files.delete_source %}checked{% endif %}>
                        Quelldatei nach Konvertierung loeschen
                    </label>
                </div>

                <div class="form-group checkbox-group">
                    <label>
                        <input type="checkbox" name="recursive_scan"
                               {% if settings.files.recursive_scan %}checked{% endif %}>
                        Unterordner rekursiv scannen
                    </label>
                </div>
            </div>
        </fieldset>

        <!-- Cleanup -->
        <fieldset>
            <legend>Cleanup</legend>
            <div class="form-grid">
                <div class="form-group checkbox-group">
                    <label>
                        <input type="checkbox" name="cleanup_enabled"
                               {% if settings.cleanup.enabled %}checked{% endif %}>
                        Auto-Cleanup aktivieren
                    </label>
                </div>
                <div class="form-group">
                    <label>Zu loeschende Extensions</label>
                    <input type="text" name="cleanup_extensions"
                           value="{{ settings.cleanup.delete_extensions | join(', ') }}"
                           placeholder=".avi, .wmv, .nfo, .txt, .jpg">
                </div>
                <div class="form-group">
                    <label>Ausnahmen (Muster)</label>
                    <input type="text" name="cleanup_exclude"
                           value="{{ settings.cleanup.exclude_patterns | join(', ') }}"
                           placeholder="readme*, *.md">
                </div>
            </div>
        </fieldset>

        <!-- Audio -->
        <fieldset>
            <legend>Audio</legend>
            <div class="form-grid">
                <div class="form-group">
                    <label for="audio_languages">Sprachen</label>
                    <input type="text" name="audio_languages" id="audio_languages"
                           value="{{ settings.audio.languages | join(', ') }}"
                           placeholder="ger, eng, und">
                </div>

                <div class="form-group">
                    <label for="audio_codec">Codec</label>
                    <select name="audio_codec" id="audio_codec">
                        <option value="libopus" {% if settings.audio.default_codec == 'libopus' %}selected{% endif %}>Opus</option>
                        <option value="aac" {% if settings.audio.default_codec == 'aac' %}selected{% endif %}>AAC</option>
                        <option value="copy" {% if settings.audio.default_codec == 'copy' %}selected{% endif %}>Stream Copy</option>
                    </select>
                </div>

                <div class="form-group checkbox-group">
                    <label>
                        <input type="checkbox" name="keep_channels"
                               {% if settings.audio.keep_channels %}checked{% endif %}>
                        Kanalanzahl beibehalten (kein Downmix)
                    </label>
                </div>
            </div>
        </fieldset>

        <!-- Untertitel -->
        <fieldset>
            <legend>Untertitel</legend>
            <div class="form-grid">
                <div class="form-group">
                    <label for="subtitle_languages">Sprachen</label>
                    <input type="text" name="subtitle_languages" id="subtitle_languages"
                           value="{{ settings.subtitle.languages | join(', ') }}"
                           placeholder="ger, eng">
                </div>
            </div>
        </fieldset>

        <!-- TVDB / Bibliothek -->
        <fieldset>
            <legend>Bibliothek / TVDB</legend>
            <div class="form-grid">
                <div class="form-group">
                    <label for="tvdb_api_key">TVDB API Key</label>
                    <input type="text" name="tvdb_api_key" id="tvdb_api_key"
                           value="{{ settings.library.tvdb_api_key if settings.library else '' }}"
                           placeholder="API Key von thetvdb.com"
                           autocomplete="off" spellcheck="false">
                </div>
                <div class="form-group">
                    <label for="tvdb_pin">TVDB PIN</label>
                    <input type="text" name="tvdb_pin" id="tvdb_pin"
                           value="{{ settings.library.tvdb_pin if settings.library else '' }}"
                           placeholder="Subscriber PIN (optional)">
                </div>
                <div class="form-group">
                    <label for="tvdb_language">TVDB Sprache</label>
                    <select name="tvdb_language" id="tvdb_language">
                        {% set lang = settings.library.tvdb_language if settings.library and settings.library.tvdb_language else 'deu' %}
                        <option value="deu" {% if lang == 'deu' %}selected{% endif %}>Deutsch</option>
                        <option value="eng" {% if lang == 'eng' %}selected{% endif %}>English</option>
                        <option value="fra" {% if lang == 'fra' %}selected{% endif %}>Francais</option>
                        <option value="spa" {% if lang == 'spa' %}selected{% endif %}>Espanol</option>
                        <option value="ita" {% if lang == 'ita' %}selected{% endif %}>Italiano</option>
                        <option value="jpn" {% if lang == 'jpn' %}selected{% endif %}>Japanese</option>
                    </select>
                </div>
            </div>
        </fieldset>

        <!-- Logging -->
        <fieldset>
            <legend>Logging</legend>
            <div class="form-grid">
                <div class="form-group">
                    <label for="log_level">Log-Level</label>
                    <select name="log_level" id="log_level">
                        {% for level in ['DEBUG', 'INFO', 'WARNING', 'ERROR'] %}
                        <option value="{{ level }}" {% if level == settings.logging.level %}selected{% endif %}>{{ level }}</option>
                        {% endfor %}
                    </select>
                </div>
            </div>
        </fieldset>

        <div class="form-actions">
            <button type="submit" class="btn-primary">Speichern</button>
        </div>
        <div id="save-result"></div>
    </form>
</section>

<!-- Scan-Pfade -->
<section class="admin-section">
    <h2>Bibliothek - Scan-Pfade</h2>
    <div id="library-paths">
        <div class="loading-msg">Lade Pfade...</div>
    </div>
    <div class="form-grid" style="margin-top:1rem">
        <div class="form-group">
            <label>Name</label>
            <input type="text" id="new-path-name" placeholder="z.B. Serien">
        </div>
        <div class="form-group">
            <label>Pfad</label>
            <input type="text" id="new-path-path" placeholder="/mnt/30 - Media/Serien">
        </div>
        <div class="form-group">
            <label>Typ</label>
            <select id="new-path-type">
                <option value="series">Serien</option>
                <option value="movie">Filme</option>
            </select>
        </div>
        <div class="form-group" style="justify-content:flex-end">
            <button class="btn-primary" onclick="addLibraryPath()">Pfad hinzufuegen</button>
        </div>
    </div>
</section>

<!-- Presets -->
<section class="admin-section">
    <h2>Encoding-Presets</h2>
    <div class="preset-editor" id="preset-editor">
        {% for key, preset in presets.items() %}
        <div class="preset-edit-card" id="preset-{{ key }}">
            <div class="preset-header" onclick="togglePresetEdit('{{ key }}')">
                <div class="preset-header-left">
                    <h3>{{ preset.name }}</h3>
                    <div class="preset-details">
                        <span class="tag">{{ preset.video_codec }}</span>
                        <span class="tag">{{ preset.container }}</span>
                        <span class="tag">{{ preset.quality_param }}={{ preset.quality_value }}</span>
                        {% if preset.hw_init %}<span class="tag gpu">GPU</span>{% else %}<span class="tag cpu">CPU</span>{% endif %}
                        {% if key == settings.encoding.default_preset %}<span class="tag default">Standard</span>{% endif %}
                    </div>
                </div>
                <span class="preset-toggle" id="toggle-{{ key }}">&#9660;</span>
            </div>

            <div class="preset-body" id="preset-body-{{ key }}" style="display:none">
                <form hx-post="/htmx/preset/{{ key }}" hx-target="#preset-result-{{ key }}" hx-swap="innerHTML">
                    <div class="form-grid">
                        <div class="form-group">
                            <label>Anzeigename</label>
                            <input type="text" name="name" value="{{ preset.name }}">
                        </div>
                        <div class="form-group">
                            <label>Video-Codec</label>
                            <select name="video_codec">
                                {% for codec, label in [
                                    ('av1_vaapi', 'GPU AV1 (VAAPI)'),
                                    ('hevc_vaapi', 'GPU HEVC (VAAPI)'),
                                    ('h264_vaapi', 'GPU H.264 (VAAPI)'),
                                    ('libsvtav1', 'CPU SVT-AV1'),
                                    ('libx265', 'CPU x265'),
                                    ('libx264', 'CPU x264'),
                                    ('libvpx-vp9', 'CPU VP9')
                                ] %}
                                <option value="{{ codec }}" {% if preset.video_codec == codec %}selected{% endif %}>{{ label }}</option>
                                {% endfor %}
                            </select>
                        </div>
                        <div class="form-group">
                            <label>Container</label>
                            <select name="container">
                                <option value="webm" {% if preset.container == 'webm' %}selected{% endif %}>WebM</option>
                                <option value="mkv" {% if preset.container == 'mkv' %}selected{% endif %}>MKV</option>
                                <option value="mp4" {% if preset.container == 'mp4' %}selected{% endif %}>MP4</option>
                            </select>
                        </div>
                        <div class="form-group">
                            <label>Qualitaetsparameter</label>
                            <select name="quality_param">
                                <option value="crf" {% if preset.quality_param == 'crf' %}selected{% endif %}>CRF (Constant Rate Factor)</option>
                                <option value="qp" {% if preset.quality_param == 'qp' %}selected{% endif %}>QP (Quantization Parameter)</option>
                            </select>
                        </div>
                        <div class="form-group">
                            <label>Qualitaetswert <small>(niedrig = besser)</small></label>
                            <input type="number" name="quality_value" value="{{ preset.quality_value }}" min="0" max="63">
                        </div>
                        <div class="form-group">
                            <label>GOP-Groesse <small>(Keyframe-Intervall)</small></label>
                            <input type="number" name="gop_size" value="{{ preset.gop_size }}" min="1" max="1000">
                        </div>
                        <div class="form-group">
                            <label>Speed-Preset <small>(nur CPU)</small></label>
                            <input type="text" name="speed_preset"
                                   value="{{ preset.speed_preset if preset.speed_preset is not none else '' }}"
                                   placeholder="z.B. 5 (SVT-AV1) oder medium (x264/x265)">
                        </div>
                        <div class="form-group">
                            <label>Video-Filter</label>
                            <input type="text" name="video_filter" value="{{ preset.video_filter }}"
                                   placeholder="z.B. format=nv12,hwupload">
                        </div>
                        <div class="form-group checkbox-group">
                            <label>
                                <input type="checkbox" name="hw_init" {% if preset.hw_init %}checked{% endif %}>
                                Hardware-Init (GPU VAAPI)
                            </label>
                        </div>
                        <div class="form-group" style="grid-column: 1 / -1">
                            <label>Extra-Parameter <small>(key=value, je Zeile)</small></label>
                            <textarea name="extra_params" rows="3"
                                      placeholder="svtav1-params=tune=0:film-grain=8">{% for k, v in (preset.extra_params or {}).items() %}{{ k }}={{ v }}{% if not loop.last %}
{% endif %}{% endfor %}</textarea>
                        </div>
                    </div>
                    <div class="form-actions">
                        <button type="submit" class="btn-primary">Speichern</button>
                        {% if key != settings.encoding.default_preset %}
                        <button type="button" class="btn-secondary" onclick="setDefaultPreset('{{ key }}')">
                            Als Standard setzen
                        </button>
                        <button type="button" class="btn-danger" onclick="deletePreset('{{ key }}')">
                            Loeschen
                        </button>
                        {% endif %}
                    </div>
                    <div id="preset-result-{{ key }}"></div>
                </form>
            </div>
        </div>
        {% endfor %}
    </div>
    <div style="margin-top:1rem">
        <button class="btn-secondary" onclick="showNewPresetForm()">+ Neues Preset</button>
    </div>
</section>
{% endblock %}

{% block scripts %}
<script>
// Scan-Pfade Verwaltung
function loadLibraryPaths() {
    fetch("/api/library/paths")
        .then(r => r.json())
        .then(data => {
            const container = document.getElementById("library-paths");
            const paths = data.paths || [];
            if (!paths.length) {
                container.innerHTML = '<div class="loading-msg">Keine Scan-Pfade konfiguriert</div>';
                return;
            }
            container.innerHTML = paths.map(p => `
                <div class="preset-card" style="display:flex;justify-content:space-between;align-items:center;margin-bottom:0.5rem">
                    <div>
                        <strong>${p.name}</strong>
                        <span class="tag">${p.media_type === 'series' ? 'Serien' : 'Filme'}</span>
                        <br><span style="font-size:0.8rem;color:#888">${p.path}</span>
                        ${p.last_scan ? '<br><span style="font-size:0.75rem;color:#666">Letzter Scan: ' + p.last_scan + '</span>' : ''}
                    </div>
                    <div style="display:flex;gap:0.3rem">
                        <button class="btn-small btn-secondary" onclick="scanPath(${p.id})">Scannen</button>
                        <button class="btn-small btn-danger" onclick="deletePath(${p.id})">Loeschen</button>
                    </div>
                </div>
            `).join("");
        })
        .catch(() => {
            document.getElementById("library-paths").innerHTML =
                '<div style="text-align:center;color:#666;padding:1rem">Fehler beim Laden</div>';
        });
}

function addLibraryPath() {
    const name = document.getElementById("new-path-name").value.trim();
    const path = document.getElementById("new-path-path").value.trim();
    const mediaType = document.getElementById("new-path-type").value;
    if (!name || !path) {
        showToast("Name und Pfad erforderlich", "error");
        return;
    }
    fetch("/api/library/paths", {
        method: "POST",
        headers: {"Content-Type": "application/json"},
        body: JSON.stringify({name: name, path: path, media_type: mediaType}),
    })
        .then(r => r.json())
        .then(data => {
            if (data.error) {
                showToast("Fehler: " + data.error, "error");
            } else {
                document.getElementById("new-path-name").value = "";
                document.getElementById("new-path-path").value = "";
                showToast("Pfad hinzugefuegt", "success");
                loadLibraryPaths();
            }
        })
        .catch(e => showToast("Fehler: " + e, "error"));
}

async function deletePath(pathId) {
    if (!await showConfirm("Scan-Pfad und alle zugehoerigen Daten loeschen?", {title: "Pfad loeschen", okText: "Loeschen", icon: "danger", danger: true})) return;
    fetch("/api/library/paths/" + pathId, {method: "DELETE"})
        .then(r => r.json())
        .then(() => { showToast("Pfad geloescht", "success"); loadLibraryPaths(); })
        .catch(e => showToast("Fehler: " + e, "error"));
}

function scanPath(pathId) {
    fetch("/api/library/scan/" + pathId, {method: "POST"})
        .then(r => r.json())
        .then(data => showToast(data.message || "Scan gestartet", "success"))
        .catch(e => showToast("Fehler: " + e, "error"));
}


// === Preset-Editor ===

function togglePresetEdit(key) {
    const body = document.getElementById("preset-body-" + key);
    const toggle = document.getElementById("toggle-" + key);
    const open = body.style.display === "none";
    body.style.display = open ? "" : "none";
    toggle.innerHTML = open ? "&#9650;" : "&#9660;";
}

async function setDefaultPreset(key) {
    const resp = await fetch("/api/settings", {
        method: "PUT",
        headers: {"Content-Type": "application/json"},
        body: JSON.stringify({encoding: {default_preset: key}})
    });
    if (resp.ok) {
        showToast("Standard-Preset geaendert", "success");
        location.reload();
    } else {
        showToast("Fehler beim Aendern", "error");
    }
}

async function deletePreset(key) {
    if (!await showConfirm('Preset "' + key + '" wirklich loeschen?',
        {title: "Preset loeschen", okText: "Loeschen", icon: "danger", danger: true})) return;

    const resp = await fetch("/api/presets/" + key, {method: "DELETE"});
    const data = await resp.json();
    if (data.error) {
        showToast("Fehler: " + data.error, "error");
    } else {
        showToast("Preset geloescht", "success");
        location.reload();
    }
}

async function showNewPresetForm() {
    const key = prompt("Preset-Schluessel (z.B. gpu_vp9):");
    if (!key) return;
    if (!/^[a-z][a-z0-9_]*$/.test(key.trim())) {
        showToast("Nur Kleinbuchstaben, Zahlen und Unterstriche erlaubt", "error");
        return;
    }
    const resp = await fetch("/api/presets", {
        method: "POST",
        headers: {"Content-Type": "application/json"},
        body: JSON.stringify({
            key: key.trim(),
            preset: {
                name: key.trim(),
                video_codec: "libx264",
                container: "mp4",
                quality_param: "crf",
                quality_value: 23,
                gop_size: 240,
                video_filter: "",
                hw_init: false,
                extra_params: {}
            }
        })
    });
    const data = await resp.json();
    if (data.error) {
        showToast("Fehler: " + data.error, "error");
    } else {
        showToast("Preset erstellt", "success");
        location.reload();
    }
}

document.addEventListener("DOMContentLoaded", () => {
    loadLibraryPaths();
});
</script>
{% endblock %}