<?php

namespace App\Policies;

use App\Models\Commande;
use App\Models\User;

class CommandePolicy
{
    public function viewAny(User $user): bool
    {
        return true;
    }

    public function view(User $user, Commande $commande): bool
    {
        return true;
    }

    public function create(User $user): bool
    {
        return $user->hasAnyRole(['admin', 'responsable', 'acheteur']);
    }

    public function update(User $user, Commande $commande): bool
    {
        if ($user->hasRole('admin')) {
            return true;
        }

        $statutsEditables = ['brouillon', 'en_attente_validation'];
        if (!in_array($commande->statut, $statutsEditables)) {
            return false;
        }

        return $user->hasAnyRole(['responsable', 'acheteur'])
            && ($commande->user_id === $user->id || $commande->service_id === $user->service_id);
    }

    public function delete(User $user, Commande $commande): bool
    {
        return $user->hasRole('admin');
    }

    public function transition(User $user, Commande $commande, string $targetStatut): bool
    {
        if (!$commande->peutTransitionnerVers($targetStatut)) {
            return false;
        }

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

        return match ($targetStatut) {
            'en_attente_validation' => $user->hasAnyRole(['responsable', 'acheteur']) && $commande->user_id === $user->id,
            'brouillon'             => $user->hasAnyRole(['responsable', 'acheteur']) && $commande->user_id === $user->id,
            'validee'               => $user->hasRole('responsable') && $commande->service_id === $user->service_id,
            'commandee'             => $user->hasAnyRole(['responsable', 'acheteur']),
            'partiellement_recue',
            'recue_complete'        => $user->hasAnyRole(['responsable', 'acheteur']),
            'cloturee'              => $user->hasAnyRole(['responsable', 'acheteur']),
            'annulee'               => $user->hasAnyRole(['responsable', 'acheteur'])
                && !in_array($commande->statut, ['commandee', 'partiellement_recue', 'recue_complete', 'cloturee']),
            default                 => false,
        };
    }
}