<?php

defined('BASEPATH') or exit('No direct script access allowed');

use app\services\messages\Message;
use app\services\messages\PopupMessage;

function app_admin_head()
{
    hooks()->do_action('app_admin_head');
}

/**
 * @since 2.3.2
 * @return null
 */
function app_admin_footer()
{
    /**
     * @deprecated 2.3.2 Use app_admin_footer instead
     */
    do_action_deprecated('after_js_scripts_render', [], '2.3.2', 'app_admin_footer');

    hooks()->do_action('app_admin_footer');
}

/**
 * @since  1.0.0
 * Init admin head
 * @param  boolean $aside should include aside
 */
function init_head($aside = true)
{
    $CI = &get_instance();
    $CI->load->view('admin/includes/head');
    $CI->load->view('admin/includes/header', ['startedTimers' => $CI->misc_model->get_staff_started_timers()]);
    $CI->load->view('admin/includes/setup_menu');
    if ($aside == true) {
        $CI->load->view('admin/includes/aside');
    }
}
/**
 * @since  1.0.0
 * Init admin footer/tails
 */
function init_tail()
{
    $CI = &get_instance();
    $CI->load->view('admin/includes/scripts');
}
/**
 * Get admin url
 * @param string url to append (Optional)
 * @return string admin url
 */
function admin_url($url = '')
{
    $adminURI = get_admin_uri();

    if ($url == '' || $url == '/') {
        if ($url == '/') {
            $url = '';
        }

        return site_url($adminURI) . '/';
    }

    return site_url($adminURI . '/' . $url);
}

/**
 * @since 3.1.0
 * @param string $capability 
 * @param string $feature 
 * @param string $staff_id 
 * @return bool 
 */
function staff_cant($capability, $feature = null, $staff_id = '') 
{
    return !staff_can($capability, $feature, $staff_id);
}

/**
 * @since  2.3.3
 * Helper function for checking staff capabilities, this function should be used instead of has_permission
 * Can be used e.q. staff_can('view', 'invoices');
 *
 * @param  string $capability         e.q. view | create | edit | delete | view_own | can_delete
 * @param  string $feature            the feature name e.q. invoices | estimates | contracts | my_module_name
 *
 *    NOTE: The $feature parameter is available as optional, but it's highly recommended always to be passed
 *    because of the uniqueness of the capability names.
 *    For example, if there is a capability "view" for feature "estimates" and also for "invoices" a capability "view" exists too
 *    In this case, if you don't pass the feature name, there may be inaccurate results
 *    If you are certain that your capability name is unique e.q. my_prefixed_capability_can_create , you don't need to pass the $feature
 *    and you can use this function as e.q. staff_can('my_prefixed_capability_can_create')
 *
 * @param  mixed $staff_id            staff id | if not passed, the logged in staff will be checked
 *
 * @return boolean
 */
function staff_can($capability, $feature = null, $staff_id = '')
{
    $staff_id = empty($staff_id) ? get_staff_user_id() : $staff_id;

    /**
     * Maybe permission is function?
     * Example is_admin or is_staff_member
     */
    if (function_exists($capability) && is_callable($capability)) {
        return call_user_func($capability, $staff_id);
    }

    /**
     * If user is admin return true
     * Admins have all permissions
     */
    if (is_admin($staff_id)) {
        return true;
    }

    $CI = &get_instance();

    $permissions = null;
    /**
     * Stop making query if we are doing checking for current user
     * Current user is stored in $GLOBALS including the permissions
     */
    if ((string) $staff_id === (string) get_staff_user_id() && isset($GLOBALS['current_user'])) {
        $permissions = $GLOBALS['current_user']->permissions;
    }

    /**
     * Not current user?
     * Get permissions for this staff
     * Permissions will be cached in object cache upon first request
     */
    if (!$permissions) {
        if (!class_exists('staff_model', false)) {
            $CI->load->model('staff_model');
        }

        $permissions = $CI->staff_model->get_staff_permissions($staff_id);
    }

    if (!$feature) {
        $retVal = in_array_multidimensional($permissions, 'capability', $capability);

        return hooks()->apply_filters('staff_can', $retVal, $capability, $feature, $staff_id);
    }

    foreach ($permissions as $permission) {
        if ($feature == $permission['feature']
            && $capability == $permission['capability']) {
            return hooks()->apply_filters('staff_can', true, $capability, $feature, $staff_id);
        }
    }

    return hooks()->apply_filters('staff_can', false, $capability, $feature, $staff_id);
}

/**
 * @since  2.3.3
 * Check whether a role has specific permission applied
 * @param  mixed  $role_id    role id
 * @param  string  $capability e.q. view|create|read
 * @param  string  $feature    the feature, e.q. invoices|estimates etc...
 * @return boolean
 */
function has_role_permission($role_id, $capability, $feature)
{
    $CI          = &get_instance();
    $permissions = $CI->roles_model->get($role_id)->permissions;

    foreach ($permissions as $appliedFeature => $capabilities) {
        if ($feature == $appliedFeature && in_array($capability, $capabilities)) {
            return true;
        }
    }

    return false;
}

/**
 * @since 1.0.0
 * @deprecated 3.1.0
 *
 * Check if staff user has permission
 * 
 * @param  string  $permission permission shortname
 * @param  mixed  $staffid if you want to check for particular staff
 * @return boolean
 */
function has_permission($permission, $staffid = '', $can = '')
{
    return staff_can($can, $permission, $staffid);
}

/**
 * @since  1.0.0
 * Load language in admin area
 * @param  string $staff_id
 * @return string return loaded language
 */
function load_admin_language($staff_id = '')
{
    $CI = & get_instance();

    $CI->lang->is_loaded = [];
    $CI->lang->language  = [];

    $language = get_option('active_language');
    if ((is_staff_logged_in() || $staff_id != '') && !is_language_disabled()) {
        $staff_language = get_staff_default_language($staff_id);
        if (!empty($staff_language)
            && file_exists(APPPATH . 'language/' . $staff_language)) {
            $language = $staff_language;
        }
    }

    $CI->lang->load($language . '_lang', $language);
    load_custom_lang_file($language);
    $GLOBALS['language'] = $language;
    $GLOBALS['locale']   = get_locale_key($language);

    hooks()->do_action('after_load_admin_language', $language);

    return $language;
}


/**
 * Return admin URI
 * CUSTOM_ADMIN_URL is not yet tested well, don't define it
 * @return string
 */
function get_admin_uri()
{
    return ADMIN_URI;
}

/**
 * @since  1.0.0
 * Check if current user is admin
 * @param  mixed $staffid
 * @return boolean if user is not admin
 */
function is_admin($staffid = '')
{

    /**
     * Checking for current user?
     */
    if (!is_numeric($staffid)) {
        if (isset($GLOBALS['current_user'])) {
            return $GLOBALS['current_user']->admin === '1';
        }

        $staffid = get_staff_user_id();
    }

    $CI = & get_instance();

    if ($cache = $CI->app_object_cache->get('is-admin-' . $staffid)) {
        return $cache === 'yes';
    }

    $CI->db->select('1')
    ->where('admin', 1)
    ->where('staffid', $staffid);

    $result = $CI->db->count_all_results(db_prefix() . 'staff') > 0 ? true : false;
    $CI->app_object_cache->add('is-admin-' . $staffid, $result ? 'yes' : 'no');

    return is_admin($staffid);
}

function admin_body_class($class = '')
{
    echo 'class="' . join(' ', get_admin_body_class($class)) . '"';
}

function get_admin_body_class($class = '')
{
    $classes   = [];
    $classes[] = 'app';
    $classes[] = 'admin';
    $classes[] = $class;

    $ci = &get_instance();

    $first_segment  = $ci->uri->segment(1);
    $second_segment = $ci->uri->segment(2);
    $third_segment  = $ci->uri->segment(3);

    $classes[] = $first_segment;

    // Not valid eq users/1 - ID
    if ($second_segment != '' && !is_numeric($second_segment)) {
        $classes[] = $second_segment;
    }

    // Not valid eq users/edit/1 - ID
    if ($third_segment != '' && !is_numeric($third_segment)) {
        $classes[] = $third_segment;
    }

    if (is_staff_logged_in()) {
        $classes[] = 'user-id-' . get_staff_user_id();
    }

    $classes[] = strtolower($ci->agent->browser());

    if (is_mobile()) {
        $classes[] = 'mobile';
        $classes[] = 'hide-sidebar';
    }

    if (is_rtl()) {
        $classes[] = 'rtl';
    }

    $classes = hooks()->apply_filters('admin_body_class', $classes);

    return array_unique($classes);
}


/**
 * Feature that will render all JS necessary data in admin head
 * @return void
 */
function render_admin_js_variables()
{
    $date_format   = get_option('dateformat');
    $date_format   = explode('|', $date_format);
    $maxUploadSize = file_upload_max_size();
    $date_format   = $date_format[0];
    $CI            = &get_instance();

    $options = [
        'date_format'                                 => $date_format,
        'decimal_places'                              => get_decimal_places(),
        'company_is_required'                         => get_option('company_is_required'),
        'default_view_calendar'                       => get_option('default_view_calendar'),
        'calendar_events_limit'                       => get_option('calendar_events_limit'),
        'tables_pagination_limit'                     => get_option('tables_pagination_limit'),
        'time_format'                                 => get_option('time_format'),
        'decimal_separator'                           => get_option('decimal_separator'),
        'thousand_separator'                          => get_option('thousand_separator'),
        'timezone'                                    => get_option('default_timezone'),
        'calendar_first_day'                          => get_option('calendar_first_day'),
        'allowed_files'                               => get_option('allowed_files'),
        'desktop_notifications'                       => get_option('desktop_notifications'),
        'show_table_export_button'                    => get_option('show_table_export_button'),
        'has_permission_tasks_checklist_items_delete' => staff_can('delete',  'checklist_templates'),
        'show_setup_menu_item_only_on_hover'          => get_option('show_setup_menu_item_only_on_hover'),
        'newsfeed_maximum_files_upload'               => get_option('newsfeed_maximum_files_upload'),
        'dismiss_desktop_not_after'                   => get_option('auto_dismiss_desktop_notifications_after'),
        'enable_google_picker'                        => get_option('enable_google_picker'),
        'google_client_id'                            => get_option('google_client_id'),
        'google_api'                                  => get_option('google_api_key'),
        'has_permission_create_task'                  => staff_can('create', 'tasks'),
    ];

    // by remove it means do not prefix it

    $lang = [
        'invoice_task_billable_timers_found'                      => _l('invoice_task_billable_timers_found'),
        'validation_extension_not_allowed'                        => _l('validation_extension_not_allowed'),
        'tag'                                                     => _l('tag'),
        'options'                                                 => _l('options'),
        'no_items_warning'                                        => _l('no_items_warning'),
        'item_forgotten_in_preview'                               => _l('item_forgotten_in_preview'),
        'new_notification'                                        => _l('new_notification'),
        'estimate_number_exists'                                  => _l('estimate_number_exists'),
        'invoice_number_exists'                                   => _l('invoice_number_exists'),
        'confirm_action_prompt'                                   => _l('confirm_action_prompt'),
        'calendar_expand'                                         => _l('calendar_expand'),
        'media_files'                                             => _l('media_files'),
        'credit_note_number_exists'                               => _l('credit_note_number_exists'),
        'item_field_not_formatted'                                => _l('numbers_not_formatted_while_editing'),
        'email_exists'                                            => _l('email_exists'),
        'phonenumber_exists'                                      => _l('phonenumber_exists'),
        'website_exists'                                          => _l('website_exists'),
        'company_exists'                                          => _l('company_exists'),
        'filter_by'                                               => _l('filter_by'),
        'you_can_not_upload_any_more_files'                       => _l('you_can_not_upload_any_more_files'),
        'cancel_upload'                                           => _l('cancel_upload'),
        'browser_not_support_drag_and_drop'                       => _l('browser_not_support_drag_and_drop'),
        'drop_files_here_to_upload'                               => _l('drop_files_here_to_upload'),
        'file_exceeds_max_filesize'                               => _l('file_exceeds_max_filesize') . ' (' . bytesToSize('', $maxUploadSize) . ')',
        'file_exceeds_maxfile_size_in_form'                       => _l('file_exceeds_maxfile_size_in_form') . ' (' . bytesToSize('', $maxUploadSize) . ')',
        'unit'                                                    => _l('unit'),
        'dt_length_menu_all'                                      => _l('dt_length_menu_all'),
        'dt_button_reload'                                        => _l('dt_button_reload'),
        'dt_button_excel'                                         => _l('dt_button_excel'),
        'dt_button_csv'                                           => _l('dt_button_csv'),
        'dt_button_pdf'                                           => _l('dt_button_pdf'),
        'dt_button_print'                                         => _l('dt_button_print'),
        'dt_button_export'                                        => _l('dt_button_export'),
        'search_ajax_empty'                                       => _l('search_ajax_empty'),
        'search_ajax_initialized'                                 => _l('search_ajax_initialized'),
        'search_ajax_searching'                                   => _l('search_ajax_searching'),
        'not_results_found'                                       => _l('not_results_found'),
        'search_ajax_placeholder'                                 => _l('search_ajax_placeholder'),
        'currently_selected'                                      => _l('currently_selected'),
        'task_stop_timer'                                         => _l('task_stop_timer'),
        'dt_button_column_visibility'                             => _l('dt_button_column_visibility'),
        'note'                                                    => _l('note'),
        'search_tasks'                                            => _l('search_tasks'),
        'confirm'                                                 => _l('confirm'),
        'showing_billable_tasks_from_project'                     => _l('showing_billable_tasks_from_project'),
        'invoice_task_item_project_tasks_not_included'            => _l('invoice_task_item_project_tasks_not_included'),
        'credit_amount_bigger_then_invoice_balance'               => _l('credit_amount_bigger_then_invoice_balance'),
        'credit_amount_bigger_then_credit_note_remaining_credits' => _l('credit_amount_bigger_then_credit_note_remaining_credits'),
        'save'                                                    => _l('save'),
        'expense'                                                 => _l('expense'),
        'ticket'                                                  => _l('ticket'),
        'lead'                                                    => _l('lead'),
        'create_reminder'                                         => _l('create_reminder'),
        'something_went_wrong'                                    => _l('something_went_wrong'),
        
        'filter_boolean_yes' => _l('filter_boolean_yes'),
        'filter_boolean_no' => _l('filter_boolean_no'),
        'filter_matchtype_and' => _l('filter_matchtype_and'),
        'filter_matchtype_or' => _l('filter_matchtype_or'),
        'filter_share' => _l('filter_share'),
        'filter_mark_as_default' => _l('filter_mark_as_default'),
        'filter_unmark_as_default' => _l('filter_unmark_as_default'),
        'default_filter_info' => _l('default_filter_info'),
        'filter_save' => _l('filter_save'),
        'filter_name' => _l('filter_name'),
        'filter_apply' => _l('filter_apply'),
        'filter_apply_and_save' => _l('filter_apply_and_save'),
        'filter_new' => _l('filter_new'),
        'filter_clear_active' => _l('filter_clear_active'),
        'filter_edit' => _l('filter_edit'),
        'filter_create' => _l('filter_create'),
        'filter_update' => _l('filter_update'),
        'filter_delete' => _l('filter_delete'),
        'filter_cannot_be_shared' => _l('filter_cannot_be_shared'),
        'filter_add_rule' => _l('filter_add_rule'),
        'filter_operator_is_empty' => _l('filter_operator_is_empty'),
        'filter_operator_is_not_empty' => _l('filter_operator_is_not_empty'),
        'filter_operator_equal' => _l('filter_operator_equal'),
        'filter_operator_not_equal' => _l('filter_operator_not_equal'),
        'filter_operator_begins_with' => _l('filter_operator_begins_with'),
        'filter_operator_not_begins_with' => _l('filter_operator_not_begins_with'),
        'filter_operator_contains' => _l('filter_operator_contains'),
        'filter_operator_not_contains' => _l('filter_operator_not_contains'),
        'filter_operator_ends_with' => _l('filter_operator_ends_with'),
        'filter_operator_not_ends_with' => _l('filter_operator_not_ends_with'),
        'filter_operator_in' => _l('filter_operator_in'),
        'filter_operator_not_in' => _l('filter_operator_not_in'),
        'filter_operator_between' => _l('filter_operator_between'),
        'filter_operator_not_between' => _l('filter_operator_not_between'),
        'filter_operator_dynamic' => _l('filter_operator_dynamic'),
        'filter_operator_greater' => _l('filter_operator_greater'),
        'filter_operator_greater_or_equal' => _l('filter_operator_greater_or_equal'),
        'filter_operator_less' => _l('filter_operator_less'),
        'filter_operator_less_or_equal' => _l('filter_operator_less_or_equal'),
        'filter_use_dynamic_dates' => _l('filter_use_dynamic_dates'),
        'no_filters_found' => _l('no_filters_found'),
    ];

    echo '<script>';

    echo 'var site_url = "' . site_url() . '";';
    echo 'var admin_url = "' . admin_url() . '";';

    echo 'var app = {};';

    echo 'app.version = ' . config_item('migration_version') . ';';
    echo 'app.available_tags = ' . json_encode(get_tags_clean()) . ';';
    echo 'app.available_tags_ids = ' . json_encode(get_tags_ids()) . ';';
    echo 'app.user_recent_searches = ' . json_encode(get_staff_recent_search_history()) . ';';
    echo 'app.months_json = ' . $monthNames = json_encode([_l('January'), _l('February'), _l('March'), _l('April'), _l('May'), _l('June'), _l('July'), _l('August'), _l('September'), _l('October'), _l('November'), _l('December')]) . ';';
    echo 'app.tinymce_lang = "' . get_tinymce_language($GLOBALS['locale']) . '";';
    echo 'app.locale = "' . $GLOBALS['locale'] . '";';
    echo 'app.browser = "' . strtolower($CI->agent->browser()) . '";';
    echo 'app.user_id = "' . get_staff_user_id() . '";';
    echo 'app.user_language = "' . get_staff_default_language() . '";';
    echo 'app.is_mobile = "' . is_mobile() . '";';
    echo 'app.user_is_staff_member = "' . is_staff_member() . '";';
    echo 'app.user_is_admin = "' . is_admin() . '";';
    echo 'app.max_php_ini_upload_size_bytes = "' . $maxUploadSize . '";';
    echo 'app.calendarIDs = "";';
    echo 'app.dtFilters = {};';

    echo 'app.options = {};';
    echo 'app.lang = {};';

    foreach ($options as $var => $val) {
        echo 'app.options.' . $var . ' = "' . $val . '";';
    }

    foreach ($lang as $key => $val) {
        echo 'app.lang. ' . $key . ' = "' . $val . '";';
    }

    echo 'app.lang.datatables = ' . json_encode(get_datatables_language_array()) . ';';

    /**
     * @deprecated 2.3.2
     */

    $deprecated = [
        'app_language'                                => get_staff_default_language(), // done, prefix it
        'app_is_mobile'                               => is_mobile(), // done, prefix it
        'app_user_browser'                            => strtolower($CI->agent->browser()), // done, prefix it
        'app_date_format'                             => $date_format, // done, prefix it
        'app_decimal_places'                          => get_decimal_places(), // done, prefix it
        'app_company_is_required'                     => get_option('company_is_required'), // done, prefix it
        'app_default_view_calendar'                   => get_option('default_view_calendar'), // done, prefix it
        'app_calendar_events_limit'                   => get_option('calendar_events_limit'), // done, prefix it
        'app_tables_pagination_limit'                 => get_option('tables_pagination_limit'), // done, prefix it
        'app_time_format'                             => get_option('time_format'), // done, prefix it
        'app_decimal_separator'                       => get_option('decimal_separator'), // done, prefix it
        'app_thousand_separator'                      => get_option('thousand_separator'), // done, prefix it
        'app_timezone'                                => get_option('default_timezone'), // done, prefix it
        'app_calendar_first_day'                      => get_option('calendar_first_day'), // done, prefix it
        'app_allowed_files'                           => get_option('allowed_files'), // done, prefix it
        'app_desktop_notifications'                   => get_option('desktop_notifications'), // done, prefix it
        'max_php_ini_upload_size_bytes'               => $maxUploadSize, // done, dont do nothing
        'app_show_table_export_button'                => get_option('show_table_export_button'), // done, dont to nothing
        'calendarIDs'                                 => '', // done, dont do nothing
        'is_admin'                                    => is_admin(), // done, dont do nothing
        'is_staff_member'                             => is_staff_member(), // done, dont do nothing
        'has_permission_tasks_checklist_items_delete' => staff_can('delete',  'checklist_templates'), // done, dont do nothing
        'app_show_setup_menu_item_only_on_hover'      => get_option('show_setup_menu_item_only_on_hover'), // done, dont to nothing
        'app_newsfeed_maximum_files_upload'           => get_option('newsfeed_maximum_files_upload'), // done, dont to nothing
        'app_dismiss_desktop_not_after'               => get_option('auto_dismiss_desktop_notifications_after'), // done, dont to nothing
        'app_enable_google_picker'                    => get_option('enable_google_picker'), // done, dont to nothing
        'app_google_client_id'                        => get_option('google_client_id'), // done, dont to nothing
        'google_api'                                  => get_option('google_api_key'), // done, dont do nothing
    ];

    $firstKey = key($deprecated);

    $vars = 'var ' . $firstKey . '="' . $deprecated[$firstKey] . '",';

    unset($deprecated[$firstKey]);

    foreach ($deprecated as $var => $val) {
        $vars .= $var . '="' . $val . '",';
    }

    echo rtrim($vars, ',') . ';';

    echo 'var appLang = {};';
    foreach ($lang as $key => $val) {
        echo 'appLang["' . $key . '"] = "' . $val . '";';
    }

    echo '</script>';
}

function _maybe_system_setup_warnings()
{
    if (!defined('DISABLE_APP_SYSTEM_HELP_MESSAGES') || (defined('DISABLE_APP_SYSTEM_HELP_MESSAGES') && DISABLE_APP_SYSTEM_HELP_MESSAGES)) {
        hooks()->add_action('ticket_created', [new PopupMessage('app\services\messages\FirstTicketCreated'), 'check']);
        hooks()->add_action('lead_created', [new PopupMessage('app\services\messages\FirstLeadCreated'), 'check']);
        hooks()->add_action('new_tag_created', [new PopupMessage('app\services\messages\FirstTagCreated'), 'check']);
        hooks()->add_action('task_timer_started', [new PopupMessage('app\services\messages\StartTimersWithNoTasks'), 'check']);
        hooks()->add_action('task_checklist_item_created', [new PopupMessage('app\services\messages\ReOrderTaskChecklistItems'), 'check']);
        hooks()->add_action('smtp_test_email_success', [new PopupMessage('app\services\messages\MailConfigured'), 'check']);
    }

    // Check for just updates message
    hooks()->add_action('before_start_render_dashboard_content', '_maybe_show_just_updated_message');
    // Check whether mod_security is enabled
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\ModSecurityEnabled'), 'check']);
    // Check if there is index.html file in the root crm directory, on some servers if this file exists eq default server index.html file the authentication/login page may not work properly
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\StaticIndexHtml'), 'check']);
    // Show development message
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\DevelopmentEnvironment'), 'check']);
    // Check if cron is required to be configured for some features
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\IsCronSetupRequired'), 'check']);
    // Base url check for https
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\IsBaseUrlChangeRequired'), 'check']);
    // Check if timezone is set
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\Timezone'), 'check']);
    // Notice for cloudflare rocket loader
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\CloudFlare'), 'check']);
    // Notice for iconv extension
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\Iconv'), 'check']);
    // Check if there is dot in database name, causing problem on upgrade
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\DatabaseNameHasDot'), 'check']);
    // Some hosting providers cast this file as a malicious and may be deleted
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\TcpdfFileMissing'), 'check']);
    // Check for cron job running
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\CronJobFailure'), 'check']);
    // Php version notice
    hooks()->add_action('before_start_render_dashboard_content', [new Message('app\services\messages\PhpVersionNotice'), 'check']);
}