<?php

declare(strict_types=1);

namespace App\Policies;

use App\Models\Event;
use App\Models\FestivalSection;
use App\Models\Shift;
use App\Models\User;

final class ShiftPolicy
{
    public function viewAny(User $user, Event $event): bool
    {
        return $user->hasRole('super_admin')
            || $event->organisation->users()->where('user_id', $user->id)->exists();
    }

    public function create(User $user, Event $event): bool
    {
        return $this->canManageEvent($user, $event);
    }

    public function update(User $user, Shift $shift, Event $event, FestivalSection $section): bool
    {
        if ($shift->festival_section_id !== $section->id || $section->event_id !== $event->id) {
            return false;
        }

        return $this->canManageEvent($user, $event);
    }

    public function delete(User $user, Shift $shift, Event $event, FestivalSection $section): bool
    {
        if ($shift->festival_section_id !== $section->id || $section->event_id !== $event->id) {
            return false;
        }

        return $this->canManageEvent($user, $event);
    }

    public function assign(User $user, Shift $shift, Event $event, FestivalSection $section): bool
    {
        if ($shift->festival_section_id !== $section->id || $section->event_id !== $event->id) {
            return false;
        }

        return $this->canManageEvent($user, $event);
    }

    public function claim(User $user, Shift $shift, Event $event, FestivalSection $section): bool
    {
        if ($shift->festival_section_id !== $section->id || $section->event_id !== $event->id) {
            return false;
        }

        return $user->hasRole('super_admin')
            || $event->organisation->users()->where('user_id', $user->id)->exists();
    }

    private function canManageEvent(User $user, Event $event): bool
    {
        if ($user->hasRole('super_admin')) {
            return true;
        }

        $isOrgAdmin = $event->organisation->users()
            ->where('user_id', $user->id)
            ->wherePivot('role', 'org_admin')
            ->exists();

        if ($isOrgAdmin) {
            return true;
        }

        return $event->users()
            ->where('user_id', $user->id)
            ->wherePivot('role', 'event_manager')
            ->exists();
    }
}