<?php

namespace App\Policies;

use App\Models\User;
use App\Models\Project;

class ProjectPolicy
{
    /**
     * Determine whether the user can view any projects.
     * Must belong to same tenant and have the permission.
     */
    public function viewAny(User $user): bool
    {
        return $user->tenant_id === session('tenant_id')
            && ($user->hasRole('admin')
                || $user->hasRole('manager')
                || $user->hasPermissionTo('view projects'));
    }

    /**
     * Determine whether the user can view the project.
     */
    public function view(User $user, Project $project): bool
    {
        return $user->tenant_id === $project->tenant_id
            && ($user->hasRole('admin')
                || $user->hasRole('manager')
                || $user->hasPermissionTo('view projects')
                || $project->users()->where('user_id', $user->id)->exists());
    }

    /**
     * Determine whether the user can create projects.
     */
    public function create(User $user): bool
    {
        return $user->tenant_id === session('tenant_id')
            && ($user->hasRole('admin')
                || $user->hasRole('manager')
                || $user->hasPermissionTo('create projects'));
    }

    /**
     * Determine whether the user can update the project.
     */
    public function update(User $user, Project $project): bool
    {
        return $user->tenant_id === $project->tenant_id
            && ($user->hasRole('admin')
                || ($user->hasRole('manager') && $project->manager_id === $user->id)
                || $user->hasPermissionTo('edit projects'));
    }

    /**
     * Determine whether the user can delete the project.
     */
    public function delete(User $user, Project $project): bool
    {
        return $user->tenant_id === $project->tenant_id
            && ($user->hasRole('admin')
                || $user->hasPermissionTo('delete projects'));
    }

    /**
     * Determine whether the user can manage project members.
     */
    public function manageMembers(User $user, Project $project): bool
    {
        return $user->tenant_id === $project->tenant_id
            && ($user->hasRole('admin')
                || ($user->hasRole('manager') && $project->manager_id === $user->id)
                || $user->hasPermissionTo('manage project members'));
    }
}