@extends('layouts.app')
@section('title', $project->reference)
@section('content')
<div class="flex flex-wrap items-start justify-between gap-4">
    <div>
        <p class="text-xs font-bold uppercase tracking-[.2em] text-brand">{{ $project->reference }}</p>
        <h2 class="mt-2 text-2xl font-bold">{{ $project->title }}</h2>
        <p class="mt-1 text-slate-400">Stage: <span class="capitalize">{{ $project->stage }}</span> · Currency {{ $project->currency }} @if($project->isArchived())· <span class="text-rose-300">Archived</span>@endif</p>
    </div>
    <div class="flex gap-2">
        <a href="{{ route('projects.edit', $project) }}" class="rounded-xl border border-slate-700 px-4 py-3 text-sm text-slate-300 hover:border-brand hover:text-white">Edit</a>
        @unless($project->isArchived())
        <form method="post" action="{{ route('projects.archive', $project) }}" onsubmit="return confirm('Archive this project? History is preserved.')">@csrf<button class="rounded-xl border border-rose-500/40 px-4 py-3 text-sm text-rose-300">Archive</button></form>
        @endunless
    </div>
</div>
@if($project->notes)<p class="rounded-2xl border border-slate-800 bg-slate-900 p-4 text-sm text-slate-300">{{ $project->notes }}</p>@endif

<section>
    <h3 class="text-lg font-semibold">Revisions &amp; files</h3>
    <div class="mt-3 grid gap-3">
        @forelse($project->revisions as $revision)
        <article class="rounded-2xl border border-slate-800 bg-slate-900 p-5">
            <div class="flex flex-wrap items-center justify-between gap-3">
                <p class="font-semibold">Revision {{ $revision->revision_number }} <span class="ml-2 rounded-full bg-slate-800 px-2 py-1 text-xs capitalize">{{ $revision->status }}</span></p>
                @if(! $revision->isApproved())
                <form method="post" action="{{ route('projects.revisions.approve', [$project, $revision]) }}"><input type="hidden">@csrf<button class="rounded-lg border border-brand/40 px-3 py-2 text-xs text-brand">Approve</button></form>
                @else
                <span class="text-xs text-slate-400">Approved by {{ $revision->approver?->username }} on {{ $revision->approved_at?->format('d M Y') }}</span>
                @endif
            </div>
            @if($revision->change_notes)<p class="mt-2 text-sm text-slate-400">{{ $revision->change_notes }}</p>@endif
            <ul class="mt-3 divide-y divide-slate-800 text-sm">
                @foreach($revision->files as $file)
                <li class="flex items-center justify-between gap-3 py-2">
                    <span><span class="rounded-full bg-slate-800 px-2 py-0.5 text-xs uppercase">{{ $file->extension }}</span> {{ $file->original_filename }} <span class="font-mono text-xs text-slate-500">({{ number_format($file->byte_size / 1024, 1) }} KB)</span></span>
                    <a class="text-brand hover:underline" href="{{ route('projects.files.download', [$project, $file]) }}">Download</a>
                </li>
                @endforeach
            </ul>
        </article>
        @empty
        <p class="text-sm text-slate-400">No revisions uploaded yet.</p>
        @endforelse
    </div>
    <details class="mt-4 rounded-2xl border border-slate-800 bg-slate-900 p-5">
        <summary class="cursor-pointer text-sm font-semibold text-brand">Upload a new revision</summary>
        <form method="post" action="{{ route('projects.revisions.store', $project) }}" enctype="multipart/form-data" class="mt-4 grid gap-3">
            @csrf
            <label class="grid gap-1 text-sm text-slate-400">Change notes<textarea name="change_notes" rows="2" class="rounded-xl border border-slate-700 bg-slate-950 px-4 py-3 text-slate-100"></textarea></label>
            <label class="grid gap-1 text-sm text-slate-400">Files (STL, 3MF or G-code; up to 10, 100&nbsp;MiB each)<input type="file" name="files[]" multiple class="rounded-xl border border-slate-700 bg-slate-950 px-4 py-3 text-slate-100"></label>
            <label class="grid gap-1 text-sm">Fusion project (optional)<input name="fusion_project_id" maxlength="255" class="rounded-lg bg-slate-950 p-3"></label>
            <label class="grid gap-1 text-sm">Fusion document (optional)<input name="fusion_document_id" maxlength="255" class="rounded-lg bg-slate-950 p-3"></label>
            <label class="grid gap-1 text-sm">Fusion native version (optional)<input name="fusion_version" maxlength="255" class="rounded-lg bg-slate-950 p-3"></label>
            <div><button class="rounded-lg bg-brand px-4 py-2 text-sm font-semibold text-slate-950">Upload revision</button></div>
        </form>
    </details>
</section>

<section>
    <h3 class="text-lg font-semibold">Listings</h3>
    <div class="mt-3 grid gap-3">
        @forelse($project->listingLinks as $link)
        <article class="rounded-2xl border border-slate-800 bg-slate-900 p-5">
            <div class="flex flex-wrap items-center justify-between gap-3">
                <p class="font-semibold">Listing #{{ $link->listing_id }} <span class="ml-2 rounded-full bg-slate-800 px-2 py-1 text-xs">{{ $link->variation_key }}</span>@if($link->isDetached())<span class="ml-2 rounded-full bg-rose-500/10 px-2 py-1 text-xs text-rose-300">Detached</span>@endif</p>
                @unless($link->isDetached())
                <form method="post" action="{{ route('projects.listings.destroy', [$project, $link]) }}">@csrf @method('DELETE')<button class="rounded-lg border border-rose-500/40 px-3 py-2 text-xs text-rose-300">Detach</button></form>
                @endunless
            </div>
            <p class="mt-1 text-sm text-slate-400">{{ $link->title_snapshot }} · State: {{ $link->state_snapshot ?? 'unknown' }} · Synced {{ $link->synced_at?->diffForHumans() ?? 'never' }}</p>
            @if($link->liveRelease)
            <p class="mt-2 text-sm text-brand">Live: revision {{ $link->liveRelease->revision->revision_number }} ({{ $link->liveRelease->action }} on {{ $link->liveRelease->released_at->format('d M Y') }})</p>
            @else
            <p class="mt-2 text-sm text-slate-500">No release pointer set yet.</p>
            @endif
            <details class="mt-3"><summary class="cursor-pointer text-xs text-brand">Release / revert</summary>
                <form method="post" action="{{ route('projects.listings.release', [$project, $link]) }}" class="mt-3 grid gap-2 md:grid-cols-4">
                    @csrf
                    <select name="revision_id" class="rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-slate-100"><option value="">Revision…</option>@foreach($project->revisions->where('status', 'approved') as $rev)<option value="{{ $rev->id }}">Rev {{ $rev->revision_number }}</option>@endforeach</select>
                    <select name="cost_snapshot_id" class="rounded-lg border border-slate-700 bg-slate-950 px-3 py-2 text-sm text-slate-100"><option value="">Cost snapshot…</option>@foreach($project->costSnapshots as $snap)<option value="{{ $snap->id }}">#{{ $snap->id }} {{ $snap->basis }} {{ $snap->grand_total ?? 'n/a' }}</option>@endforeach</select>
                    <input type="hidden" name="lock_version" value="{{ $link->lock_version }}">
                    <button class="rounded-lg bg-brand px-3 py-2 text-sm font-semibold text-slate-950">Release</button>
                </form>
                @if($project->releases->isNotEmpty())
                <form method="post" action="{{ route('projects.listings.revert', [$project, $link]) }}" class="mt-3 flex flex-wrap gap-3">
                    @csrf
                    <label class="grid gap-1 text-sm">Restore historical release<select name="release_id" required class="rounded-lg bg-slate-950 p-2">@foreach($project->releases as $release)<option value="{{ $release->id }}">#{{ $release->id }} · revision {{ $release->revision->revision_number }}</option>@endforeach</select></label>
                    <input type="hidden" name="lock_version" value="{{ $link->lock_version }}">
                    <button class="rounded-lg border border-brand px-3 py-2 text-sm text-brand">Revert with new history entry</button>
                </form>
                @endif
            </details>
        </article>
        @empty
        <p class="text-sm text-slate-400">No listings linked yet.</p>
        @endforelse
    </div>
    <details class="mt-4 rounded-2xl border border-slate-800 bg-slate-900 p-5">
        <summary class="cursor-pointer text-sm font-semibold text-brand">Link an Etsy listing</summary>
        <form method="post" action="{{ route('projects.listings.store', $project) }}" class="mt-4 flex flex-wrap gap-3">
            @csrf
            <input type="number" name="listing_id" placeholder="Etsy listing ID" required class="rounded-xl border border-slate-700 bg-slate-950 px-4 py-3 text-slate-100">
            <button class="rounded-lg bg-brand px-4 py-2 text-sm font-semibold text-slate-950">Verify &amp; link</button>
        </form>
    </details>
</section>

<section>
    <h3 class="text-lg font-semibold">Costing</h3>
    <div class="mt-3 overflow-x-auto rounded-2xl border border-slate-800 bg-slate-900">
        <table class="w-full min-w-[720px] text-left text-sm">
            <thead class="border-y border-slate-800 text-slate-400"><tr><th class="p-4">Revision</th><th class="p-4">Basis</th><th class="p-4">Filament</th><th class="p-4">Packaging</th><th class="p-4">Shipping</th><th class="p-4">Total</th><th class="p-4">Per unit</th></tr></thead>
            <tbody class="divide-y divide-slate-800">
                @forelse($project->costSnapshots as $snapshot)
                <tr>
                    <td class="p-4">Rev {{ $snapshot->revision->revision_number }}</td>
                    <td class="p-4 capitalize">{{ $snapshot->basis }}</td>
                    <td class="p-4">{{ $snapshot->filament_total ?? 'not costed' }}</td>
                    <td class="p-4">{{ $snapshot->packaging_total ?? 'not costed' }}</td>
                    <td class="p-4">{{ $snapshot->shipping_total ?? 'not costed' }}</td>
                    <td class="p-4 font-semibold">{{ $snapshot->grand_total ?? 'not costed' }}</td>
                    <td class="p-4">{{ $snapshot->perUnitGrandTotal() ?? '—' }} / {{ $snapshot->batch_units }}</td>
                </tr>
                @empty
                <tr><td colspan="7" class="p-6 text-slate-400">No cost snapshots recorded.</td></tr>
                @endforelse
            </tbody>
        </table>
    </div>
    <details class="mt-4 rounded-2xl border border-slate-800 bg-slate-900 p-5">
        <summary class="cursor-pointer text-sm font-semibold text-brand">Record a cost snapshot</summary>
        <form method="post" action="{{ route('projects.cost-snapshots.store', $project) }}" class="mt-4 grid gap-3">
            @csrf
            <p class="text-sm text-slate-400">{{ $project->currency }} only. Filament and packaging quantities cover the batch. Shipping quantities describe parcels in one shipment; cost is allocated by units per parcel to the saleable yield. Enter zero intentionally; omit uncosted categories. Excludes fees, tax, labour and energy — not net profit.</p>
            <div class="grid gap-3 md:grid-cols-4">
                <label class="grid gap-1 text-sm">Revision<select name="revision_id" required class="rounded-lg bg-slate-950 p-3">@foreach($project->revisions as $rev)<option value="{{ $rev->id }}">Rev {{ $rev->revision_number }}</option>@endforeach</select></label>
                <label class="grid gap-1 text-sm">Basis<select name="basis" class="rounded-lg bg-slate-950 p-3"><option value="estimate">Estimate</option><option value="actual">Actual</option></select></label>
                <label class="grid gap-1 text-sm">Currency<input name="currency" value="{{ $project->currency }}" readonly class="rounded-lg bg-slate-950 p-3"></label>
                <label class="grid gap-1 text-sm">Saleable batch yield<input type="number" name="batch_units" value="1" min="1" max="100000" required class="rounded-lg bg-slate-950 p-3"></label>
            </div>
            <div data-cost-lines class="grid gap-3">
                @for($i = 0; $i < 3; $i++)
                <fieldset class="grid gap-3 rounded-xl border border-slate-700 p-3 sm:grid-cols-2 lg:grid-cols-3" data-cost-line>
                    <legend class="px-1 text-sm">Cost line {{ $i + 1 }}</legend>
                    <label class="grid gap-1 text-sm">Category<select name="lines[{{ $i }}][category]" class="rounded-lg bg-slate-950 p-2"><option value="filament" @selected($i === 0)>Filament</option><option value="packaging" @selected($i === 1)>Packaging</option><option value="shipping" @selected($i === 2)>Shipping</option></select></label>
                    <label class="grid gap-1 text-sm">Material / component / service<input name="lines[{{ $i }}][description]" required class="rounded-lg bg-slate-950 p-2"></label>
                    <label class="grid gap-1 text-sm">Quantity<input name="lines[{{ $i }}][quantity]" inputmode="decimal" required class="rounded-lg bg-slate-950 p-2"></label>
                    <label class="grid gap-1 text-sm">Unit<select name="lines[{{ $i }}][quantity_unit]" class="rounded-lg bg-slate-950 p-2"><option value="g" @selected($i === 0)>g (filament)</option><option value="unit" @selected($i === 1)>unit (packaging)</option><option value="parcel" @selected($i === 2)>parcel (shipping)</option></select></label>
                    <label class="grid gap-1 text-sm">Rate per kg / component / parcel<input name="lines[{{ $i }}][unit_rate]" inputmode="decimal" required class="rounded-lg bg-slate-950 p-2"></label>
                    <label class="grid gap-1 text-sm">Additional waste / support (not already included)<input name="lines[{{ $i }}][waste_quantity]" value="0" inputmode="decimal" class="rounded-lg bg-slate-950 p-2"></label>
                    <label class="grid gap-1 text-sm">Units per parcel (shipping)<input name="lines[{{ $i }}][units_per_parcel]" type="number" min="1" value="1" class="rounded-lg bg-slate-950 p-2"></label>
                    <label class="grid gap-1 text-sm">Source / confirmed invoice reference<input name="lines[{{ $i }}][source_reference]" maxlength="255" class="rounded-lg bg-slate-950 p-2"></label>
                    <label class="grid gap-1 text-sm">Source price date<input name="lines[{{ $i }}][source_price_date]" type="date" class="rounded-lg bg-slate-950 p-2"></label>
                    <button type="button" data-remove-cost-line class="text-left text-sm text-rose-300">Remove line</button>
                </fieldset>
                @endfor
            </div>
            <div class="flex flex-wrap gap-3"><button type="button" data-add-cost-line class="rounded-lg border border-slate-600 px-4 py-2 text-sm">Add cost line</button><button class="rounded-lg bg-brand px-4 py-2 text-sm font-semibold text-slate-950">Record snapshot</button></div>
        </form>
    </details>
</section>

<section>
    <h3 class="text-lg font-semibold">History</h3>
    <ul class="mt-3 divide-y divide-slate-800 rounded-2xl border border-slate-800 bg-slate-900 text-sm">
        @forelse($project->events as $event)
        <li class="flex items-center justify-between gap-3 p-4">
            <span>{{ str($event->event_type)->replace('_', ' ')->ucfirst() }} @if($event->actor)by {{ $event->actor->username }}@endif</span>
            <span class="text-xs text-slate-500">{{ $event->created_at->format('d M Y H:i') }}</span>
        </li>
        @empty
        <li class="p-6 text-slate-400">No events recorded yet.</li>
        @endforelse
    </ul>
</section>
@endsection