@extends('layouts.app')

@section('content')
@php
    $isEdit = isset($album) && $album->exists;
    $formAction = $isEdit ? route('albums.update', $album->id) : route('albums.store');
    $pageTitle = $isEdit ? 'Edit Album' : 'Add Album';
@endphp

<div class="sca-app">
    <style>
        :root {
            --sca-yellow: #FFB81C;
            --sca-black: #000000;
            --sca-white: #FFFFFF;
            --sca-font-display: Georgia, serif;
            --sca-font-ui: Arial, Helvetica, sans-serif;
        }

        .sca-app {
            min-height: 100vh;
            background: var(--sca-white);
            color: var(--sca-black);
            font-family: var(--sca-font-ui);
        }

        .sca-shell {
            max-width: 1120px;
            margin: 0 auto;
            padding: 24px;
        }

        .sca-top-rule,
        .sca-section-rule {
            height: 6px;
            background: var(--sca-yellow);
            border: 1px solid var(--sca-black);
            border-radius: 999px;
        }

        .sca-top-rule {
            margin-bottom: 24px;
        }

        .sca-header {
            display: grid;
            gap: 18px;
            margin-bottom: 28px;
        }

        .sca-wordmark {
            max-width: min(760px, 100%);
            height: auto;
            display: block;
        }

        .sca-display-title {
            font-family: var(--sca-font-display);
            font-size: 30px;
            line-height: 1;
            font-weight: 700;
            margin: 16px 0 0 0;
        }

        .sca-meta {
            font-size: 14px;
            line-height: 1.5;
            color: rgba(0,0,0,0.72);
        }

        .sca-page-grid {
            display: grid;
            gap: 24px;
        }

        .sca-panel {
            border: 1px solid var(--sca-black);
            border-radius: 14px;
            background: var(--sca-white);
            overflow: hidden;
        }

        .sca-panel-accent {
            background: var(--sca-yellow);
        }

        .sca-panel-head {
            padding: 14px 14px 0 14px;
            display: grid;
            gap: 10px;
        }

        .sca-panel-body {
            padding: 14px;
            display: grid;
            gap: 14px;
        }

        .sca-panel-title {
            font-family: var(--sca-font-display);
            font-size: 18px;
            line-height: 1;
            font-weight: 700;
            margin: 0;
        }

        .sca-form-grid {
            display: grid;
            gap: 16px;
        }

        .sca-two-col {
            display: grid;
            gap: 14px;
        }

        .sca-field {
            display: grid;
            gap: 8px;
        }

        .sca-label {
            display: block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 0;
        }

        .sca-input,
        .sca-select,
        .sca-textarea {
            width: 100%;
            box-sizing: border-box;
            display: block;
            border: 1px solid var(--sca-black);
            border-radius: 10px;
            background: var(--sca-white);
            color: var(--sca-black);
            font-family: var(--sca-font-ui);
            font-size: 16px;
            font-weight: 500;
        }

        .sca-input,
        .sca-select {
            min-height: 48px;
            padding: 12px 14px;
        }

        .sca-textarea {
            min-height: 112px;
            padding: 12px 14px;
            resize: vertical;
        }

        .sca-input:focus-visible,
        .sca-select:focus-visible,
        .sca-textarea:focus-visible,
        .sca-btn:focus-visible {
            outline: 2px solid var(--sca-black);
            outline-offset: 2px;
        }

        .sca-btn-row {
            display: grid;
            gap: 12px;
        }

        .sca-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            min-height: 52px;
            padding: 12px 18px;
            border: 1px solid var(--sca-black);
            border-radius: 999px;
            font-family: var(--sca-font-ui);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
        }

        .sca-btn-primary {
            background: var(--sca-black);
            color: var(--sca-white);
        }

        .sca-btn-secondary {
            background: var(--sca-white);
            color: var(--sca-black);
        }

        .sca-alert {
            border: 1px solid var(--sca-black);
            border-radius: 10px;
            padding: 12px 14px;
            background: #fff1f1;
            color: #7a0000;
            font-size: 14px;
        }

        .sca-success {
            border: 1px solid var(--sca-black);
            border-radius: 10px;
            padding: 12px 14px;
            background: #eefbe9;
            color: #173d10;
            font-size: 14px;
        }

        .sca-table-wrap {
            overflow-x: auto;
            border: 1px solid var(--sca-black);
            border-radius: 10px;
            background: rgba(255,255,255,.92);
        }

        .sca-table {
            width: 100%;
            border-collapse: collapse;
        }

        .sca-table th,
        .sca-table td {
            padding: 12px 10px;
            text-align: left;
            border-bottom: 1px solid rgba(0,0,0,.15);
            vertical-align: top;
            font-size: 14px;
        }

        .sca-table th {
            font-size: 12px;
            letter-spacing: .08em;
            text-transform: uppercase;
        }

        .sca-table tr:last-child td {
            border-bottom: 0;
        }

        .sca-mini-form {
            border: 1px solid var(--sca-black);
            border-radius: 10px;
            padding: 14px;
            background: rgba(255,255,255,.92);
            display: grid;
            gap: 14px;
        }

        .sca-inline-delete {
            display: inline;
        }

        .sca-link-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        @media (min-width: 900px) {
            .sca-two-col {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .sca-btn-row {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }
    </style>

    <div class="sca-shell">
        <div class="sca-top-rule"></div>

        <header class="sca-header">
            <div>
                <img class="sca-wordmark" src="{{ asset('images/SCA_wordmark.png') }}" alt="Secret Chord Analogue">
                <h1 class="sca-display-title">{{ $pageTitle }}</h1>
            </div>
            <div class="sca-meta">
                Catalogue your records with edition details, digitised-copy notes, played-age estimation, and treatment history.
            </div>

            @if(session('success'))
                <div class="sca-success">{{ session('success') }}</div>
            @endif

            @if($errors->any())
                <div class="sca-alert">
                    <strong>Please correct the following:</strong>
                    <ul style="margin:8px 0 0 18px; padding:0;">
                        @foreach($errors->all() as $error)
                            <li>{{ $error }}</li>
                        @endforeach
                    </ul>
                </div>
            @endif
        </header>

        <form method="POST" action="{{ $formAction }}">
            @csrf
            @if($isEdit)
                @method('PUT')
            @endif

            <div class="sca-page-grid">
                <section class="sca-panel sca-panel-accent">
                    <div class="sca-panel-head">
                        <div class="sca-panel-title">Album Details</div>
                        <div class="sca-section-rule"></div>
                    </div>
                    <div class="sca-panel-body">
                        <div class="sca-form-grid">
                            <div class="sca-field">
                                <label class="sca-label">Artist</label>
                                <select name="artist_id" class="sca-select" required>
                                    <option value="">Select artist</option>
                                    @foreach($artists as $artist)
                                        <option value="{{ $artist->id }}"
                                            {{ (string) old('artist_id', $album->artist_id ?? '') === (string) $artist->id ? 'selected' : '' }}>
                                            {{ $artist->name }}
                                        </option>
                                    @endforeach
                                </select>
                            </div>

                            <div class="sca-field">
                                <label class="sca-label">Title</label>
                                <input
                                    type="text"
                                    name="title"
                                    class="sca-input"
                                    value="{{ old('title', $album->title ?? '') }}"
                                    required>
                            </div>

                            <div class="sca-field">
                                <label class="sca-label">Edition / Pressing</label>
                                <input
                                    type="text"
                                    name="edition_pressing"
                                    class="sca-input"
                                    value="{{ old('edition_pressing', $album->edition_pressing ?? '') }}"
                                    placeholder="e.g. 2014 Music Matters 45rpm 2LP">
                            </div>

                            <div class="sca-field">
                                <label class="sca-label">Copy Notes</label>
                                <textarea
                                    name="copy_notes"
                                    class="sca-textarea"
                                    placeholder="e.g. Cleaner copy, backup copy, signed sleeve">{{ old('copy_notes', $album->copy_notes ?? '') }}</textarea>
                            </div>
                        </div>
                    </div>
                </section>

                <section class="sca-panel sca-panel-accent">
                    <div class="sca-panel-head">
                        <div class="sca-panel-title">Played Age</div>
                        <div class="sca-section-rule"></div>
                    </div>
                    <div class="sca-panel-body">
                        <div class="sca-form-grid">
                            <div class="sca-two-col">
                                <div class="sca-field">
                                    <label class="sca-label">Acquisition Date</label>
                                    <input
                                        type="date"
                                        id="acquired_on"
                                        name="acquired_on"
                                        class="sca-input"
                                        value="{{ old('acquired_on', optional($album->acquired_on ?? null)?->format('Y-m-d')) }}">
                                </div>

                                <div class="sca-field">
                                    <label class="sca-label">How Much Played</label>
                                    <select id="play_frequency" name="play_frequency" class="sca-select">
                                        <option value="">Select frequency</option>
                                        <option value="frequently" {{ old('play_frequency', $album->play_frequency ?? '') === 'frequently' ? 'selected' : '' }}>Frequently</option>
                                        <option value="now_and_again" {{ old('play_frequency', $album->play_frequency ?? '') === 'now_and_again' ? 'selected' : '' }}>Now and again</option>
                                        <option value="infrequently" {{ old('play_frequency', $album->play_frequency ?? '') === 'infrequently' ? 'selected' : '' }}>Infrequently</option>
                                    </select>
                                </div>
                            </div>

                            <div class="sca-two-col">
                                <div class="sca-field">
                                    <label class="sca-label">Estimated Prior Plays</label>
                                    <input
                                        type="number"
                                        min="0"
                                        id="estimated_prior_plays"
                                        name="estimated_prior_plays"
                                        class="sca-input"
                                        value="{{ old('estimated_prior_plays', $album->estimated_prior_plays ?? '') }}">
                                    <div class="sca-meta" id="ownership-years-note">
                                        {{ old('acquired_on') ? 'Derived from ' . \Carbon\Carbon::parse(old('acquired_on'))->diffInYears(now()) . ' ' . \Illuminate\Support\Str::plural('year', \Carbon\Carbon::parse(old('acquired_on'))->diffInYears(now())) . ' ownership' : ($album->ownership_years_label ?? 'Derived from 0 years ownership') }}
                                    </div>
                                </div>

                                <div class="sca-field">
                                    <label class="sca-label">Total Play Count</label>
                                    <input
                                        type="number"
                                        min="0"
                                        id="total_play_count"
                                        name="total_play_count"
                                        class="sca-input"
                                        value="{{ old('total_play_count', $album->total_play_count ?? '') }}">
                                </div>
                            </div>

                            <div class="sca-meta">
                                Estimate rules: Frequently = 4 plays per month, Now and again = 1 play per month, Infrequently = 1 play per year. The estimate may be edited, and Total Play Count may also be edited directly.
                            </div>
                        </div>
                    </div>
                </section>

                <section class="sca-panel sca-panel-accent">
                    <div class="sca-panel-head">
                        <div class="sca-panel-title">Format & Storage</div>
                        <div class="sca-section-rule"></div>
                    </div>
                    <div class="sca-panel-body">
                        <div class="sca-two-col">
                            <div class="sca-field">
                                <label class="sca-label">Format Size</label>
                                <input
                                    type="text"
                                    name="format_size"
                                    class="sca-input"
                                    value="{{ old('format_size', $album->format_size ?? '') }}"
                                    required>
                            </div>

                            <div class="sca-field">
                                <label class="sca-label">Play Speed</label>
                                <input
                                    type="number"
                                    name="play_speed"
                                    class="sca-input"
                                    value="{{ old('play_speed', $album->play_speed ?? '') }}">
                            </div>

                            <div class="sca-field">
                                <label class="sca-label">Side Count</label>
                                <select name="side_count" class="sca-select">
                                    <option value="">Select sides</option>
                                    @foreach([2,4,6,8] as $count)
                                        <option value="{{ $count }}"
                                            {{ (string) old('side_count', $album->side_count ?? '') === (string) $count ? 'selected' : '' }}>
                                            {{ $count }}
                                        </option>
                                    @endforeach
                                </select>
                            </div>

                            <div class="sca-field">
                                <label class="sca-label">Storage Location</label>
                                <input
                                    type="text"
                                    name="storage_location"
                                    class="sca-input"
                                    value="{{ old('storage_location', $album->storage_location ?? '') }}">
                            </div>
                        </div>
                    </div>
                </section>

                <section class="sca-panel sca-panel-accent">
                    <div class="sca-panel-head">
                        <div class="sca-panel-title">Digitised Copy</div>
                        <div class="sca-section-rule"></div>
                    </div>
                    <div class="sca-panel-body">
                        <div class="sca-form-grid">
                            <div class="sca-field">
                                <label class="sca-label">Date Digitised</label>
                                <input
                                    type="date"
                                    name="date_digitised"
                                    class="sca-input"
                                    value="{{ old('date_digitised', isset($album) && $album->date_digitised ? $album->date_digitised->format('Y-m-d') : '') }}">
                            </div>

                            <div class="sca-field">
                                <label class="sca-label">Digitised File Name</label>
                                <input
                                    type="text"
                                    name="digitised_file_name"
                                    class="sca-input"
                                    value="{{ old('digitised_file_name', $album->digitised_file_name ?? '') }}">
                            </div>

                            <div class="sca-field">
                                <label class="sca-label">Digitised File Storage Address</label>
                                <textarea
                                    name="digitised_file_storage_address"
                                    class="sca-textarea">{{ old('digitised_file_storage_address', $album->digitised_file_storage_address ?? '') }}</textarea>
                            </div>
                        </div>
                    </div>
                </section>

                <section class="sca-panel sca-panel-accent">
                    <div class="sca-panel-head">
                        <div class="sca-panel-title">Actions</div>
                        <div class="sca-section-rule"></div>
                    </div>
                    <div class="sca-panel-body">
                        <div class="sca-btn-row">
                            <button type="submit" class="sca-btn sca-btn-primary">
                                {{ $isEdit ? 'Save Album Changes' : 'Create Album' }}
                            </button>

                            <a href="{{ route('albums.index') }}" class="sca-btn sca-btn-secondary">
                                Cancel
                            </a>
                        </div>
                    </div>
                </section>
            </div>
        </form>

        @if($isEdit)
            <section class="sca-panel sca-panel-accent" style="margin-top:24px;">
                <div class="sca-panel-head">
                    <div class="sca-panel-title">Record Treatments</div>
                    <div class="sca-section-rule"></div>
                </div>
                <div class="sca-panel-body">
                    @if(!is_null($album->plays_since_last_treatment))
                        <div class="sca-meta"><strong>Plays since last treatment:</strong> {{ $album->plays_since_last_treatment }}</div>
                    @endif

                    <div class="sca-table-wrap">
                        <table class="sca-table">
                            <thead>
                                <tr>
                                    <th>Date</th>
                                    <th>Treatment Type</th>
                                    <th>Notes</th>
                                    <th>Plays Since</th>
                                    <th>Action</th>
                                </tr>
                            </thead>
                            <tbody>
                                @forelse($album->treatments as $treatment)
                                    <tr>
                                        <td>{{ $treatment->treated_on?->format('Y-m-d') }}</td>
                                        <td>{{ $treatment->treatment_type }}</td>
                                        <td>{{ $treatment->notes }}</td>
                                        <td>{{ $album->playLogs->filter(fn ($playLog) => $playLog->played_at && $playLog->played_at->greaterThanOrEqualTo($treatment->treated_on))->count() }}</td>
                                        <td>
                                            <form
                                                method="POST"
                                                action="{{ route('albums.treatments.destroy', [$album->id, $treatment->id]) }}"
                                                class="sca-inline-delete"
                                                onsubmit="return confirm('Delete this treatment record?');">
                                                @csrf
                                                @method('DELETE')
                                                <button type="submit" class="sca-btn sca-btn-secondary" style="min-height:38px; padding:8px 12px; width:auto;">
                                                    Delete
                                                </button>
                                            </form>
                                        </td>
                                    </tr>
                                @empty
                                    <tr>
                                        <td colspan="5">No treatment history recorded yet.</td>
                                    </tr>
                                @endforelse
                            </tbody>
                        </table>
                    </div>

                    <div class="sca-mini-form">
                        <div class="sca-panel-title" style="font-size:16px;">Add Treatment</div>

                        <form method="POST" action="{{ route('albums.treatments.store', $album->id) }}">
                            @csrf

                            <div class="sca-form-grid">
                                <div class="sca-two-col">
                                    <div class="sca-field">
                                        <label class="sca-label">Date Treated</label>
                                        <input
                                            type="date"
                                            name="treated_on"
                                            class="sca-input"
                                            value="{{ old('treated_on', now()->format('Y-m-d')) }}">
                                    </div>

                                    <div class="sca-field">
                                        <label class="sca-label">Treatment Type</label>
                                        <input
                                            type="text"
                                            name="treatment_type"
                                            class="sca-input"
                                            value="{{ old('treatment_type', 'Record Restore') }}">
                                    </div>
                                </div>

                                <div class="sca-field">
                                    <label class="sca-label">Notes</label>
                                    <textarea
                                        name="notes"
                                        class="sca-textarea">{{ old('notes') }}</textarea>
                                </div>

                                <div class="sca-field">
                                    <label class="sca-label" style="display:flex; align-items:center; gap:8px; letter-spacing:0; text-transform:none; font-size:14px;">
                                        <input type="checkbox" name="use_record_restore" value="1" {{ old('use_record_restore', '1') ? 'checked' : '' }}>
                                        Consume Record Restore automatically for this clean
                                    </label>
                                    <div class="sca-meta">Consumption is calculated from record size: 12&quot; = 7.0 ml, 10&quot; = 5.5 ml, 7&quot; = 2.3 ml.</div>
                                </div>

                                <div class="sca-link-row">
                                    <button type="submit" class="sca-btn sca-btn-primary" style="width:auto;">
                                        Add Treatment
                                    </button>
                                </div>
                            </div>
                        </form>
                    </div>
                </div>
            </section>
        @endif
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function () {
    const acquiredOn = document.getElementById('acquired_on');
    const playFrequency = document.getElementById('play_frequency');
    const estimatedPriorPlays = document.getElementById('estimated_prior_plays');
    const totalPlayCount = document.getElementById('total_play_count');
    const ownershipYearsNote = document.getElementById('ownership-years-note');

    if (!acquiredOn || !playFrequency || !estimatedPriorPlays || !totalPlayCount || !ownershipYearsNote) {
        return;
    }

    function updateOwnershipYearsNote(acquiredDate) {
        if (!acquiredDate || isNaN(acquiredDate.getTime())) {
            ownershipYearsNote.textContent = '';
            return;
        }

        const now = new Date();

        if (acquiredDate > now) {
            ownershipYearsNote.textContent = 'Derived from 0 years ownership';
            return;
        }

        let years = now.getFullYear() - acquiredDate.getFullYear();
        const beforeAnniversary =
            now.getMonth() < acquiredDate.getMonth() ||
            (now.getMonth() === acquiredDate.getMonth() && now.getDate() < acquiredDate.getDate());

        if (beforeAnniversary) {
            years -= 1;
        }

        years = Math.max(0, years);
        ownershipYearsNote.textContent = `Derived from ${years} ${years === 1 ? 'year' : 'years'} ownership`;
    }

    function calculateEstimatedPriorPlays() {
        const acquiredValue = acquiredOn.value;
        const frequencyValue = playFrequency.value;

        if (!acquiredValue || !frequencyValue) {
            return;
        }

        const acquiredDate = new Date(acquiredValue + 'T00:00:00');
        const now = new Date();

        updateOwnershipYearsNote(acquiredDate);

        if (isNaN(acquiredDate.getTime()) || acquiredDate > now) {
            estimatedPriorPlays.value = 0;
            if (!totalPlayCount.value) {
                totalPlayCount.value = 0;
                totalPlayCount.dataset.autofilled = 'true';
            }
            return;
        }

        let calculated = 0;

        if (frequencyValue === 'frequently' || frequencyValue === 'now_and_again') {
            const months =
                (now.getFullYear() - acquiredDate.getFullYear()) * 12 +
                (now.getMonth() - acquiredDate.getMonth()) -
                (now.getDate() < acquiredDate.getDate() ? 1 : 0);

            calculated = frequencyValue === 'frequently'
                ? Math.max(0, months * 4)
                : Math.max(0, months);
        } else if (frequencyValue === 'infrequently') {
            let years = now.getFullYear() - acquiredDate.getFullYear();
            const beforeAnniversary =
                now.getMonth() < acquiredDate.getMonth() ||
                (now.getMonth() === acquiredDate.getMonth() && now.getDate() < acquiredDate.getDate());

            if (beforeAnniversary) {
                years -= 1;
            }

            calculated = Math.max(0, years);
        }

        estimatedPriorPlays.value = calculated;

        if (!totalPlayCount.value || totalPlayCount.dataset.autofilled === 'true') {
            totalPlayCount.value = calculated;
            totalPlayCount.dataset.autofilled = 'true';
        }
    }

    totalPlayCount.addEventListener('input', function () {
        totalPlayCount.dataset.autofilled = 'false';
    });

    acquiredOn.addEventListener('change', calculateEstimatedPriorPlays);
    playFrequency.addEventListener('change', calculateEstimatedPriorPlays);

    if (acquiredOn.value) {
        updateOwnershipYearsNote(new Date(acquiredOn.value + 'T00:00:00'));
    }

    if (acquiredOn.value && playFrequency.value && !estimatedPriorPlays.value) {
        calculateEstimatedPriorPlays();
    }
});
</script>
@endsection