@extends('admin.layout')

@section('title', 'Edit Video')
@section('page_title', 'Edit Video')

@php
$adminNeedsOtp = auth()->user()->two_factor_enabled &&
    (! session('admin_2fa_verified_at') || now()->timestamp - session('admin_2fa_verified_at') >= 1800);
@endphp

@section('extra_styles')
<style>
    .ef-grid {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 20px;
        align-items: start;
    }
    @media (max-width: 900px) {
        .ef-grid { grid-template-columns: 1fr; }
    }

    /* ── Form fields ── */
    .ef-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
    .ef-field:last-of-type { margin-bottom: 0; }
    .ef-label {
        font-size: 12px; font-weight: 600; color: var(--text-2);
        text-transform: uppercase; letter-spacing: .04em;
    }
    .ef-input, .ef-select, .ef-textarea {
        width: 100%;
        background: var(--bg-2);
        border: 1px solid var(--border);
        color: var(--text);
        border-radius: 8px;
        font-size: 13px;
        outline: none;
        transition: border-color .15s;
        font-family: inherit;
    }
    .ef-input, .ef-select { height: 38px; padding: 0 12px; }
    .ef-select { cursor: pointer; appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
        background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px;
    }
    .ef-textarea { height: 100px; padding: 10px 12px; resize: vertical; }
    .ef-input:focus, .ef-select:focus, .ef-textarea:focus { border-color: var(--brand); }
    .ef-input.is-invalid, .ef-select.is-invalid, .ef-textarea.is-invalid { border-color: #f87171; }
    .ef-error { font-size: 12px; color: #f87171; margin-top: 2px; }

    .ef-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
    @media (max-width: 600px) { .ef-row-3 { grid-template-columns: 1fr; } }

    /* ── Actions ── */
    .ef-actions { display: flex; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }

    /* ── Sidebar stats ── */
    .ef-thumb {
        width: 100%; border-radius: 10px; object-fit: cover; display: block;
        background: var(--bg-2);
    }
    .ef-thumb-placeholder {
        width: 100%; height: 160px; border-radius: 10px;
        background: var(--bg-2); border: 1px solid var(--border);
        display: flex; align-items: center; justify-content: center;
        color: var(--text-3); font-size: 36px;
    }
    .ef-stat-row {
        display: flex; justify-content: space-between; align-items: center;
        padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.04);
        font-size: 13px;
    }
    .ef-stat-row:last-child { border-bottom: none; padding-bottom: 0; }
    .ef-stat-label { color: var(--text-2); }
    .ef-stat-val   { font-weight: 600; color: var(--text); }

    /* ── Danger zone ── */
    .ef-danger-zone {
        padding: 16px;
        border: 1px solid rgba(248,113,113,.25);
        border-radius: 10px;
        background: rgba(248,113,113,.05);
    }
    .ef-danger-title { font-size: 12px; font-weight: 700; color: #f87171; margin-bottom: 10px; text-transform: uppercase; letter-spacing: .05em; }
    .adm-btn-warning { color: #fb923c; border-color: rgba(251,146,60,.3); }
    .adm-btn-warning:hover { background: rgba(251,146,60,.1); border-color: rgba(251,146,60,.5); color: #fdba74; }
    .adm-btn-warning:disabled { opacity:.5; cursor:not-allowed; pointer-events:none; }
</style>
@endsection

@section('content')

{{-- ── Page header ── --}}
<div class="adm-page-header" style="margin-bottom:20px;">
    <div style="display:flex;align-items:center;gap:12px;">
        <a href="{{ route('admin.videos') }}" class="adm-btn adm-btn-sm">
            <i class="bi bi-arrow-left"></i>
        </a>
        <h1 class="adm-page-title" style="margin:0;">
            <i class="bi bi-pencil-square"></i> Edit Video
        </h1>
    </div>
</div>

{{-- ── Alerts ── --}}
@if(session('success'))
<div class="adm-alert adm-alert-success" style="margin-bottom:16px;">
    <i class="bi bi-check-circle-fill"></i>
    <span>{{ session('success') }}</span>
    <button class="adm-alert-close"><i class="bi bi-x"></i></button>
</div>
@endif
@if(session('error'))
<div class="adm-alert adm-alert-error" style="margin-bottom:16px;">
    <i class="bi bi-exclamation-circle-fill"></i>
    <span>{{ session('error') }}</span>
    <button class="adm-alert-close"><i class="bi bi-x"></i></button>
</div>
@endif

<div class="ef-grid">

    {{-- ── Left: form ── --}}
    <div class="adm-card">
        <div class="adm-card-header">
            <div class="adm-card-title"><i class="bi bi-film"></i> Video Details</div>
        </div>
        <div class="adm-card-body">
            <form method="POST" action="{{ route('admin.videos.update', $video) }}">
                @csrf
                @method('PUT')

                {{-- Title --}}
                <div class="ef-field">
                    <label class="ef-label" for="title">Title</label>
                    <input class="ef-input @error('title') is-invalid @enderror"
                           id="title" name="title" type="text"
                           value="{{ old('title', $video->title) }}" required>
                    @error('title')<div class="ef-error">{{ $message }}</div>@enderror
                </div>

                {{-- Description --}}
                <div class="ef-field">
                    <label class="ef-label" for="description">Description</label>
                    <textarea class="ef-textarea @error('description') is-invalid @enderror"
                              id="description" name="description">{{ old('description', $video->description) }}</textarea>
                    @error('description')<div class="ef-error">{{ $message }}</div>@enderror
                </div>

                {{-- Visibility / Type / Status --}}
                <div class="ef-row-3">
                    <div class="ef-field" style="margin-bottom:0;">
                        <label class="ef-label" for="visibility">Visibility</label>
                        <select class="ef-select @error('visibility') is-invalid @enderror" id="visibility" name="visibility">
                            <option value="public"   {{ old('visibility', $video->visibility) === 'public'   ? 'selected' : '' }}>Public</option>
                            <option value="unlisted" {{ old('visibility', $video->visibility) === 'unlisted' ? 'selected' : '' }}>Unlisted</option>
                            <option value="private"  {{ old('visibility', $video->visibility) === 'private'  ? 'selected' : '' }}>Private</option>
                        </select>
                        @error('visibility')<div class="ef-error">{{ $message }}</div>@enderror
                    </div>
                    <div class="ef-field" style="margin-bottom:0;">
                        <label class="ef-label" for="type">Type</label>
                        <select class="ef-select @error('type') is-invalid @enderror" id="type" name="type">
                            <option value="generic" {{ old('type', $video->type) === 'generic' ? 'selected' : '' }}>Generic</option>
                            <option value="music"   {{ old('type', $video->type) === 'music'   ? 'selected' : '' }}>Music</option>
                            <option value="match"   {{ old('type', $video->type) === 'match'   ? 'selected' : '' }}>Match</option>
                        </select>
                        @error('type')<div class="ef-error">{{ $message }}</div>@enderror
                    </div>
                    <div class="ef-field" style="margin-bottom:0;">
                        <label class="ef-label" for="status">Status</label>
                        <select class="ef-select @error('status') is-invalid @enderror" id="status" name="status">
                            <option value="pending"    {{ old('status', $video->status) === 'pending'    ? 'selected' : '' }}>Pending</option>
                            <option value="processing" {{ old('status', $video->status) === 'processing' ? 'selected' : '' }}>Processing</option>
                            <option value="ready"      {{ old('status', $video->status) === 'ready'      ? 'selected' : '' }}>Ready</option>
                            <option value="failed"     {{ old('status', $video->status) === 'failed'     ? 'selected' : '' }}>Failed</option>
                        </select>
                        @error('status')<div class="ef-error">{{ $message }}</div>@enderror
                    </div>
                </div>

                {{-- Download Access --}}
                <div class="ef-field" style="margin-top:18px;">
                    <label class="ef-label" for="download_access">Who Can Download</label>
                    <select class="ef-select @error('download_access') is-invalid @enderror" id="download_access" name="download_access">
                        <option value="disabled"    {{ old('download_access', $video->download_access) === 'disabled'    ? 'selected' : '' }}>No one (disabled)</option>
                        <option value="everyone"    {{ old('download_access', $video->download_access) === 'everyone'    ? 'selected' : '' }}>Everyone (guests too)</option>
                        <option value="registered"  {{ old('download_access', $video->download_access) === 'registered'  ? 'selected' : '' }}>Registered members</option>
                        <option value="subscribers" {{ old('download_access', $video->download_access) === 'subscribers' ? 'selected' : '' }}>Subscribers only</option>
                    </select>
                    @error('download_access')<div class="ef-error">{{ $message }}</div>@enderror
                </div>

                <div class="ef-actions">
                    <button type="submit" class="adm-btn adm-btn-primary">
                        <i class="bi bi-check-circle-fill"></i> Save Changes
                    </button>
                    <a href="{{ route('admin.videos') }}" class="adm-btn">Cancel</a>
                    <a href="{{ route('videos.show', $video) }}" target="_blank" class="adm-btn" style="margin-left:auto;">
                        <i class="bi bi-play-circle"></i> View Video
                    </a>
                </div>
            </form>
        </div>
    </div>

    {{-- ── Right: sidebar ── --}}
    <div style="display:flex;flex-direction:column;gap:16px;">

        {{-- Thumbnail --}}
        <div class="adm-card">
            <div class="adm-card-body">
                @if($video->thumbnail)
                    <img src="{{ route('media.thumbnail', $video->thumbnail) }}"
                         alt="{{ $video->title }}" class="ef-thumb">
                @else
                    <div class="ef-thumb-placeholder"><i class="bi bi-play-circle"></i></div>
                @endif
            </div>
        </div>

        {{-- Stats --}}
        <div class="adm-card">
            <div class="adm-card-header">
                <div class="adm-card-title"><i class="bi bi-info-circle"></i> Video Info</div>
            </div>
            <div class="adm-card-body">
                <div class="ef-stat-row">
                    <span class="ef-stat-label">Owner</span>
                    <a href="{{ route('channel', $video->user->channel) }}" target="_blank"
                       style="color:var(--brand);font-weight:600;font-size:13px;text-decoration:none;">
                        {{ $video->user->name }}
                    </a>
                </div>
                <div class="ef-stat-row">
                    <span class="ef-stat-label">Uploaded</span>
                    <span class="ef-stat-val">{{ $video->created_at->format('M d, Y') }}</span>
                </div>
                <div class="ef-stat-row">
                    <span class="ef-stat-label">Views</span>
                    <span class="ef-stat-val" style="color:#22d3ee;">
                        {{ number_format(\DB::table('video_views')->where('video_id', $video->id)->count()) }}
                    </span>
                </div>
                <div class="ef-stat-row">
                    <span class="ef-stat-label">Likes</span>
                    <span class="ef-stat-val" style="color:#f472b6;">
                        {{ number_format(\DB::table('video_likes')->where('video_id', $video->id)->count()) }}
                    </span>
                </div>
                <div class="ef-stat-row">
                    <span class="ef-stat-label">Duration</span>
                    <span class="ef-stat-val">{{ $video->duration ? gmdate('H:i:s', $video->duration) : '—' }}</span>
                </div>
                <div class="ef-stat-row">
                    <span class="ef-stat-label">Dimensions</span>
                    <span class="ef-stat-val">{{ $video->width ?? '—' }} × {{ $video->height ?? '—' }}</span>
                </div>
                <div class="ef-stat-row">
                    <span class="ef-stat-label">File size</span>
                    <span class="ef-stat-val">{{ $video->size ? number_format($video->size / 1024 / 1024, 1) . ' MB' : '—' }}</span>
                </div>
                <div class="ef-stat-row">
                    <span class="ef-stat-label">Orientation</span>
                    <span class="ef-stat-val" style="text-transform:capitalize;">{{ $video->orientation ?? '—' }}</span>
                </div>
            </div>
        </div>

        {{-- Replace File --}}
        <div class="ef-danger-zone" style="margin-bottom:12px;">
            <div class="ef-danger-title" style="color:#fb923c;border-color:rgba(251,146,60,.2);">
                <i class="bi bi-arrow-repeat me-1"></i> Replace Media File
            </div>
            <p style="font-size:12px;color:var(--text-2);margin:0 0 12px;line-height:1.5;">
                Fix a corrupted or missing file. All stats are preserved.
            </p>

            <div id="adm-rfl-dropzone" onclick="document.getElementById('adm-rfl-input').click()"
                 style="border:2px dashed var(--border);border-radius:8px;padding:14px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;margin-bottom:8px;"
                 onmouseenter="this.style.borderColor='#ef4444';this.style.background='rgba(239,68,68,.05)'"
                 onmouseleave="this.style.borderColor='var(--border)';this.style.background='transparent'">
                <i class="bi bi-cloud-upload" style="font-size:22px;color:var(--text-2);display:block;margin-bottom:4px;"></i>
                <span id="adm-rfl-label" style="font-size:12px;color:var(--text-2);">Click to choose replacement file</span>
                <input type="file" id="adm-rfl-input" accept="video/*,audio/*,.mp4,.webm,.ogg,.mov,.avi,.wmv,.flv,.mkv,.mp3,.m4a,.aac,.wav,.flac,.opus" style="display:none;" onchange="admRflSelected(this)">
            </div>

            <div id="adm-rfl-info" style="display:none;background:var(--bg-2);border:1px solid var(--border);border-radius:6px;padding:8px 12px;align-items:center;gap:8px;margin-bottom:8px;">
                <i class="bi bi-file-earmark-play" style="font-size:18px;color:#ef4444;flex-shrink:0;"></i>
                <div style="flex:1;min-width:0;">
                    <div id="adm-rfl-name" style="font-size:12px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;"></div>
                    <div id="adm-rfl-size" style="font-size:11px;color:var(--text-2);margin-top:1px;"></div>
                </div>
                <button type="button" onclick="admRflClear()" style="background:none;border:none;color:var(--text-2);cursor:pointer;font-size:14px;flex-shrink:0;padding:0;"><i class="bi bi-x-lg"></i></button>
            </div>

            <div id="adm-rfl-status" style="display:none;margin-bottom:8px;font-size:12px;padding:7px 10px;border-radius:6px;"></div>

            <button type="button" id="adm-rfl-btn" onclick="admRflSubmit()" disabled
                    class="adm-btn adm-btn-warning" style="width:100%;">
                <i class="bi bi-arrow-repeat"></i> Replace File
            </button>
        </div>

        {{-- Danger zone --}}
        <div class="ef-danger-zone">
            <div class="ef-danger-title"><i class="bi bi-exclamation-triangle-fill me-1"></i> Danger Zone</div>
            <button type="button" class="adm-btn adm-btn-danger" style="width:100%;"
                    onclick="openDelDialog()">
                <i class="bi bi-trash3-fill"></i> Delete This Video
            </button>
        </div>

    </div>
</div>

{{-- ── Delete confirmation dialog ── --}}
<div class="adm-dialog-overlay" id="delDialog">
    <div class="adm-dialog">
        <div class="adm-dialog-header">
            <div class="adm-dialog-title">
                <i class="bi bi-exclamation-triangle-fill"></i> Delete Video
            </div>
            <button type="button" class="adm-btn adm-btn-sm" onclick="closeDelDialog()"
                    style="border:none;background:none;color:var(--text-2);">
                <i class="bi bi-x-lg"></i>
            </button>
        </div>
        <div class="adm-dialog-body">
            <p>You are about to permanently delete <strong>{{ $video->title }}</strong>.</p>
            <div class="adm-dialog-warning">
                <i class="bi bi-info-circle-fill" style="flex-shrink:0;margin-top:1px;"></i>
                The video file, thumbnail, and all associated data will be removed. This cannot be undone.
            </div>
            @if($adminNeedsOtp)
            <div style="margin-top:14px;">
                <label style="font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:6px;margin-bottom:6px;">
                    <i class="bi bi-shield-lock-fill" style="color:#a78bfa;"></i>
                    Enter your <strong style="color:var(--text);">2FA code</strong> to confirm
                </label>
                <input type="text" id="delDialogOtp" inputmode="numeric" pattern="[0-9]*"
                       maxlength="6" autocomplete="one-time-code"
                       placeholder="000000"
                       style="width:100%;background:var(--bg-card2);border:1px solid var(--border-light);border-radius:8px;padding:10px 14px;color:#fff;font-size:22px;letter-spacing:0.3em;text-align:center;">
            </div>
            @endif
            <div id="delDialogError" style="display:none;margin-top:10px;padding:8px 12px;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);border-radius:6px;color:#f87171;font-size:13px;"></div>
        </div>
        <div class="adm-dialog-footer">
            <button type="button" class="adm-btn" onclick="closeDelDialog()">Cancel</button>
            <button type="button" class="adm-btn adm-btn-danger" id="delDialogConfirmBtn" onclick="confirmDelVideo()">
                <i class="bi bi-trash3-fill"></i> Delete Permanently
            </button>
        </div>
    </div>
</div>

@endsection

@section('scripts')
<script>
const _adminNeedsOtp = {{ $adminNeedsOtp ? 'true' : 'false' }};
const _editVideoId = '{{ $video->getRouteKey() }}';

function openDelDialog() {
    document.getElementById('delDialogError').style.display = 'none';
    if (_adminNeedsOtp) document.getElementById('delDialogOtp').value = '';
    document.getElementById('delDialog').classList.add('open');
    if (_adminNeedsOtp) setTimeout(() => document.getElementById('delDialogOtp').focus(), 100);
}
function closeDelDialog() { document.getElementById('delDialog').classList.remove('open'); }

function confirmDelVideo() {
    const btn = document.getElementById('delDialogConfirmBtn');
    const errEl = document.getElementById('delDialogError');
    const otpCode = _adminNeedsOtp ? document.getElementById('delDialogOtp').value.replace(/\s/g,'') : '';

    if (_adminNeedsOtp && otpCode.length !== 6) {
        errEl.textContent = 'Please enter your 6-digit 2FA code.';
        errEl.style.display = 'block';
        document.getElementById('delDialogOtp').focus();
        return;
    }

    btn.disabled = true;
    btn.innerHTML = '<i class="bi bi-hourglass-split"></i> Deleting…';
    errEl.style.display = 'none';

    const body = new URLSearchParams({ '_token': '{{ csrf_token() }}', '_method': 'DELETE' });
    if (_adminNeedsOtp) body.append('otp_code', otpCode);

    fetch('/admin/videos/' + _editVideoId, {
        method: 'POST',
        headers: { 'Accept': 'application/json', 'Content-Type': 'application/x-www-form-urlencoded' },
        body: body.toString()
    })
    .then(r => r.json())
    .then(data => {
        if (data.success) {
            window.location.href = '/admin/videos';
        } else {
            errEl.textContent = data.message || 'Delete failed.';
            errEl.style.display = 'block';
            btn.disabled = false;
            btn.innerHTML = '<i class="bi bi-trash3-fill"></i> Delete Permanently';
            if (_adminNeedsOtp) { document.getElementById('delDialogOtp').value = ''; document.getElementById('delDialogOtp').focus(); }
        }
    })
    .catch(() => {
        errEl.textContent = 'An error occurred. Please try again.';
        errEl.style.display = 'block';
        btn.disabled = false;
        btn.innerHTML = '<i class="bi bi-trash3-fill"></i> Delete Permanently';
    });
}
document.getElementById('delDialog').addEventListener('click', e => { if (e.target === document.getElementById('delDialog')) closeDelDialog(); });
document.addEventListener('keydown', e => { if (e.key === 'Escape') closeDelDialog(); });

// ── Admin Replace File ────────────────────────────────────────────────────
let _admRflFile = null;
const _admRflFmtSize = b => b >= 1073741824 ? (b/1073741824).toFixed(1)+' GB' : b >= 1048576 ? (b/1048576).toFixed(1)+' MB' : Math.round(b/1024)+' KB';

function admRflSelected(input) {
    _admRflFile = input.files[0] || null;
    const info = document.getElementById('adm-rfl-info');
    if (_admRflFile) {
        document.getElementById('adm-rfl-name').textContent = _admRflFile.name;
        document.getElementById('adm-rfl-size').textContent = _admRflFmtSize(_admRflFile.size);
        document.getElementById('adm-rfl-label').textContent = _admRflFile.name;
        info.style.display = 'flex';
    } else {
        info.style.display = 'none';
        document.getElementById('adm-rfl-label').textContent = 'Click to choose replacement file';
    }
    document.getElementById('adm-rfl-btn').disabled = !_admRflFile;
    document.getElementById('adm-rfl-status').style.display = 'none';
}

function admRflClear() {
    _admRflFile = null;
    document.getElementById('adm-rfl-input').value = '';
    document.getElementById('adm-rfl-info').style.display = 'none';
    document.getElementById('adm-rfl-label').textContent = 'Click to choose replacement file';
    document.getElementById('adm-rfl-btn').disabled = true;
    document.getElementById('adm-rfl-status').style.display = 'none';
}

function admRflSubmit() {
    if (!_admRflFile) return;
    const btn    = document.getElementById('adm-rfl-btn');
    const status = document.getElementById('adm-rfl-status');

    btn.disabled = true;
    btn.innerHTML = '<i class="bi bi-arrow-repeat"></i> Uploading…';
    status.style.display = 'none';

    const fd = new FormData();
    fd.append('_token', '{{ csrf_token() }}');
    fd.append('replacement_file', _admRflFile);

    fetch('/videos/' + _editVideoId + '/replace-file', {
        method: 'POST',
        headers: { 'Accept': 'application/json', 'X-Requested-With': 'XMLHttpRequest' },
        body: fd
    })
    .then(r => r.json())
    .then(data => {
        if (data.success) {
            status.style.cssText = 'display:block;background:rgba(74,222,128,.08);border:1px solid rgba(74,222,128,.25);color:#4ade80;';
            status.innerHTML = '<i class="bi bi-check-circle-fill"></i> ' + data.message;
            admRflClear();
            setTimeout(() => location.reload(), 2200);
        } else {
            status.style.cssText = 'display:block;background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.25);color:#f87171;';
            status.textContent = data.message || 'Upload failed. Please try again.';
            btn.disabled = false;
            btn.innerHTML = '<i class="bi bi-arrow-repeat"></i> Replace File';
        }
    })
    .catch(() => {
        status.style.cssText = 'display:block;background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.25);color:#f87171;';
        status.textContent = 'Upload failed. Please try again.';
        btn.disabled = false;
        btn.innerHTML = '<i class="bi bi-arrow-repeat"></i> Replace File';
    });
}
</script>
@endsection