<?php

namespace App\Policies;

use App\Models\User;
use App\Models\PettyCash;

class PettyCashPolicy
{
    /**
     * Determine whether the user can view any petty cash requests.
     */
    public function viewAny(User $user): bool
    {
        return $user->tenant_id === session('tenant_id')
            && ($user->hasRole('admin')
                || $user->hasRole('manager')
                || $user->hasPermissionTo('manage petty cash'));
    }

    /**
     * Determine whether the user can view the petty cash request.
     */
    public function view(User $user, PettyCash $pettyCash): bool
    {
        if ($user->tenant_id !== $pettyCash->tenant_id) {
            return false;
        }

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

        if ($user->hasPermissionTo('manage petty cash')) {
            return true;
        }

        // Users can view their own petty cash requests
        return $pettyCash->requested_by === $user->id;
    }

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

    /**
     * Determine whether the user can update the petty cash request.
     */
    public function update(User $user, PettyCash $pettyCash): bool
    {
        if ($user->tenant_id !== $pettyCash->tenant_id) {
            return false;
        }

        // Only pending requests can be updated
        if ($pettyCash->status !== 'pending') {
            return false;
        }

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

        if ($user->hasPermissionTo('manage petty cash')) {
            return true;
        }

        return $pettyCash->requested_by === $user->id;
    }

    /**
     * Determine whether the user can delete the petty cash request.
     */
    public function delete(User $user, PettyCash $pettyCash): bool
    {
        return $user->tenant_id === $pettyCash->tenant_id
            && ($user->hasRole('admin')
                || $user->hasPermissionTo('manage petty cash'));
    }

    /**
     * Determine whether the user can approve the petty cash request.
     * Only admin/manager can approve.
     */
    public function approve(User $user, PettyCash $pettyCash): bool
    {
        return $user->tenant_id === $pettyCash->tenant_id
            && ($user->hasRole('admin')
                || $user->hasRole('manager'));
    }
}