<?php

namespace App\Policies;

use App\Models\Core\User;
use App\Models\Projects\DeliverableApproval;

class DeliverableApprovalPolicy
{
    /**
     * Determine whether the user can view any deliverable approvals.
     */
    public function viewAny(User $user): bool
    {
        return true;
    }

    /**
     * Determine whether the user can view the deliverable approval.
     */
    public function view(User $user, DeliverableApproval $approval): bool
    {
        if ($user->isAdmin()) {
            return true;
        }

        return $user->belongsToClient($approval->project->client);
    }

    /**
     * Determine whether the user can create deliverable approvals.
     */
    public function create(User $user): bool
    {
        return $user->isAdmin();
    }

    /**
     * Determine whether the user can update the deliverable approval.
     */
    public function update(User $user, DeliverableApproval $approval): bool
    {
        return $user->isAdmin();
    }

    /**
     * Determine whether the user can delete the deliverable approval.
     */
    public function delete(User $user, DeliverableApproval $approval): bool
    {
        return $user->isAdmin();
    }

    /**
     * Determine whether the user can approve the deliverable.
     */
    public function approve(User $user, DeliverableApproval $approval): bool
    {
        if ($user->isAdmin()) {
            return false; // Admins don't approve deliverables, clients do
        }

        // Client users can approve deliverables for their projects
        return $user->belongsToClient($approval->project->client)
            && $approval->status->isPending();
    }

    /**
     * Determine whether the user can reject the deliverable.
     */
    public function reject(User $user, DeliverableApproval $approval): bool
    {
        return $this->approve($user, $approval);
    }

    /**
     * Determine whether the user can request revision of the deliverable.
     */
    public function requestRevision(User $user, DeliverableApproval $approval): bool
    {
        return $this->approve($user, $approval);
    }

    /**
     * Determine whether the user can resubmit the deliverable.
     */
    public function resubmit(User $user, DeliverableApproval $approval): bool
    {
        if (! $user->isAdmin()) {
            return false;
        }

        return $approval->status->isRevisionRequested() || $approval->status->isRejected();
    }
}