<?php

namespace App\Policies;

use App\Models\Livestream;
use App\Models\User;
use Illuminate\Auth\Access\HandlesAuthorization;

class LivestreamPolicy
{
    use HandlesAuthorization;

    /**
     * Determine whether the user can view any models.
     *
     * @param  \App\Models\User  $user
     * @return mixed
     */
    public function viewAny(User $user)
    {
        if ($user->hasRole('admin')) {
            return true;
        }
        return $user->hasRole('livestreams-manager');
    }

    /**
     * Determine whether the user can manage livestreams
     *
     * @param  \App\Models\User  $user
     * @return mixed
     */
    public function manage(User $user)
    {
        if ($user->hasRole('admin')) {
            return true;
        }
        return $user->hasRole('livestreams-manager');
    }

    /**
     * Determine whether the user can view the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function view(User $user, Livestream $livestream)
    {
        if ($user->hasRole('admin')) {
            return true;
        }

        if ($user->can('moderate', $livestream)) {
            return true;
        }

        if ($user->hasRole('livestreams-manager')) {
            return true;
        }

        return $user->canPerformAction('view', $livestream);
    }

    /**
     * Determine whether the user can create models.
     *
     * @param  \App\Models\User  $user
     * @return mixed
     */
    public function create(User $user)
    {
        if ($user->hasRole('admin')) {
            return true;
        }
        return $user->hasRole('livestreams-manager');
    }

    /**
     * Determine whether the user can update the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function update(User $user, Livestream $livestream)
    {
        if ($user->hasRole('admin')) {
            return true;
        }

        if ($user->hasRole('livestreams-manager')) {
            return true;
        }
        return $user->canPerformAction('update', $livestream);
    }

    /**
     * Determine whether the user can delete the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function delete(User $user, Livestream $livestream)
    {
        //
        if ($user->hasRole('admin')) {
            return true;
        }
    }

    /**
     * Determine whether the user can restore the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function restore(User $user, Livestream $livestream)
    {
        //
        if ($user->hasRole('admin')) {
            return true;
        }
    }

    /**
     * Determine whether the user can permanently delete the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function forceDelete(User $user, Livestream $livestream)
    {
        //
        if ($user->hasRole('admin')) {
            return true;
        }
    }

    /**
     * Determine whether the user can update the model.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function chat(User $user, Livestream $livestream)
    {
        if ($user->banned_at) {
            return false;
        }
        if ($livestream->unlisted) {
            return $user->can('view', $livestream);
        } else {
            return true;
        }
    }

    /**
     * Determine whether the user can send reminder emails.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function sendReminderEmails(User $user, Livestream $livestream)
    {
        if ($user->hasRole('admin')) {
            return true;
        }
        if ($user->hasRole('livestreams-manager')) {
            return true;
        }
        return $user->canPerformAction('moderate', $livestream);
    }

    /**
     * Determine whether the user can moderate the livestream.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function moderate(User $user, Livestream $livestream)
    {
        if ($user->hasRole('admin') || $user->hasRole('livestreams-manager')) {
            return true;
        }
        if ($user->banned_at) {
            return false;
        }
        return $user->canPerformAction('moderate', $livestream);
    }

    /**
     * Determine whether the user can register for the livestream.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function register(User $user, Livestream $livestream)
    {
        if ($user->banned_at) {
            return false;
        }
        if ($livestream->hasCompleted) {
            return false;
        }
        return !$livestream->users->contains('id', $user->id);
    }

    /**
     * Determine whether the user can register for the livestream.
     *
     * @param  \App\Models\User  $user
     * @param  \App\Models\Livestream  $livestream
     * @return mixed
     */
    public function registered(User $user, Livestream $livestream)
    {
        if ($user->banned_at) {
            return false;
        }
        return $livestream->users->contains('id', $user->id);
    }
}