<?php

namespace App\Policies;

use App\Models\Core\User;
use App\Models\Files\ProjectFile;

class ProjectFilePolicy
{
    /**
     * Determine whether the user can view any project files.
     */
    public function viewAny(User $user): bool
    {
        // Admin can view all files
        // Client users can view the list (but it will be scoped to their visible files)
        return true;
    }

    /**
     * Determine whether the user can view the project file.
     */
    public function view(User $user, ProjectFile $projectFile): bool
    {
        if ($user->isAdmin()) {
            return true;
        }

        // Client users can only view files that are marked as client visible
        // and belong to their client's project
        return $projectFile->is_client_visible
            && $user->belongsToClient($projectFile->project->client);
    }

    /**
     * Determine whether the user can create project files.
     */
    public function create(User $user): bool
    {
        // Both admins and clients can upload files
        return true;
    }

    /**
     * Determine whether the user can upload files to a specific project.
     */
    public function upload(User $user, ProjectFile $projectFile): bool
    {
        if ($user->isAdmin()) {
            return true;
        }

        // Clients can upload to their own projects
        return $user->belongsToClient($projectFile->project->client);
    }

    /**
     * Determine whether the user can download the project file.
     */
    public function download(User $user, ProjectFile $projectFile): bool
    {
        if ($user->isAdmin()) {
            return true;
        }

        // Client users can only download files that are marked as client visible
        // and belong to their client's project
        return $projectFile->is_client_visible
            && $user->belongsToClient($projectFile->project->client);
    }

    /**
     * Determine whether the user can update the project file.
     */
    public function update(User $user, ProjectFile $projectFile): bool
    {
        if ($user->isAdmin()) {
            return true;
        }

        // Users can update files they uploaded
        return $projectFile->uploaded_by === $user->id;
    }

    /**
     * Determine whether the user can delete the project file.
     */
    public function delete(User $user, ProjectFile $projectFile): bool
    {
        if ($user->isAdmin()) {
            return true;
        }

        // Users can delete files they uploaded
        return $projectFile->uploaded_by === $user->id;
    }

    /**
     * Determine whether the user can restore the project file.
     */
    public function restore(User $user, ProjectFile $projectFile): bool
    {
        return $user->isAdmin();
    }

    /**
     * Determine whether the user can permanently delete the project file.
     */
    public function forceDelete(User $user, ProjectFile $projectFile): bool
    {
        return $user->isAdmin();
    }
}