<?php

namespace App\Http\Controllers\Events;

use App\Http\Controllers\Controller;
use App\Models\QrCode;
use App\Services\Events\EventSpeakerInviteService;
use App\Services\Events\EventSpeakerService;
use App\Services\Qr\QrCodeManagerService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class SpeakerController extends Controller
{
    public function __construct(
        private readonly EventSpeakerService $speakers,
        private readonly EventSpeakerInviteService $invites,
        private readonly QrCodeManagerService $manager,
    ) {}

    public function hub(Request $request): View
    {
        $account = ladill_account();
        $search = trim((string) $request->query('search', ''));

        $events = $this->speakers->eventsForAccount($account->id, $search !== '' ? $search : null)
            ->map(function (QrCode $event) {
                $event->speaker_count = count($this->speakers->rosterFor($event));

                return $event;
            });

        return view('events.speakers-hub', [
            'events' => $events,
            'search' => $search,
        ]);
    }

    public function index(QrCode $event): View
    {
        $this->authorize('view', $event);
        abort_unless($event->type === QrCode::TYPE_EVENT, 404);

        $roster = $this->invites->rosterWithInviteState($event);

        return view('events.speakers', [
            'qrCode' => $event,
            'roster' => $roster,
            'programmeAssignments' => $this->speakers->programmeAssignments($event),
            'programme' => $this->speakers->linkedProgramme($event),
            'canManualInvite' => collect($roster)->mapWithKeys(fn ($speaker) => [
                $speaker['email'] => $this->invites->canSendManualInvite($event, $speaker),
            ])->all(),
        ]);
    }

    public function update(Request $request, QrCode $event): RedirectResponse
    {
        $this->authorize('update', $event);
        abort_unless($event->type === QrCode::TYPE_EVENT, 404);

        $validated = $request->validate([
            'speakers' => ['nullable', 'array'],
            'speakers.*.name' => ['nullable', 'string', 'max:120'],
            'speakers.*.email' => ['required_with:speakers.*.name', 'email', 'max:190'],
            'speakers.*.role' => ['nullable', 'string', 'max:80'],
            'speakers.*.bio' => ['nullable', 'string', 'max:500'],
        ]);

        try {
            $this->manager->update($event, [
                'speakers' => $validated['speakers'] ?? [],
            ]);
        } catch (\RuntimeException $e) {
            return back()->withInput()->with('error', $e->getMessage());
        }

        return redirect()
            ->route('speakers.show', $event)
            ->with('success', 'Speaker roster saved.');
    }

    public function sendInvite(Request $request, QrCode $event): RedirectResponse
    {
        $this->authorize('update', $event);
        abort_unless($event->type === QrCode::TYPE_EVENT, 404);

        $validated = $request->validate([
            'email' => ['required', 'email', 'max:190'],
        ]);

        $sent = $this->invites->sendManualInvite($event, $event->user, $validated['email']);

        if (! $sent) {
            return back()->with('error', 'Could not send invitation. Check the email address or whether this speaker was already invited from the programme.');
        }

        return back()->with('success', 'Speaker invitation sent.');
    }
}