<?php

use app\common\model\Category;
use fast\Form;
use fast\Tree;
use think\Db;

if (!function_exists('build_select')) {

    /**
     * 生成下拉列表
     * @param string $name
     * @param mixed $options
     * @param mixed $selected
     * @param mixed $attr
     * @return string
     */
    function build_select($name, $options, $selected = [], $attr = [])
    {
        $options = is_array($options) ? $options : explode(',', $options);
        $selected = is_array($selected) ? $selected : explode(',', $selected);
        return Form::select($name, $options, $selected, $attr);
    }
}

if (!function_exists('build_radios')) {

    /**
     * 生成单选按钮组
     * @param string $name
     * @param array $list
     * @param mixed $selected
     * @return string
     */
    function build_radios($name, $list = [], $selected = null)
    {
        $html = [];
        $selected = is_null($selected) ? key($list) : $selected;
        $selected = is_array($selected) ? $selected : explode(',', $selected);
        foreach ($list as $k => $v) {
            $html[] = sprintf(Form::label("{$name}-{$k}", "%s {$v}"), Form::radio($name, $k, in_array($k, $selected), ['id' => "{$name}-{$k}"]));
        }
        return '<div class="radio">' . implode(' ', $html) . '</div>';
    }
}

if (!function_exists('build_checkboxs')) {

    /**
     * 生成复选按钮组
     * @param string $name
     * @param array $list
     * @param mixed $selected
     * @return string
     */
    function build_checkboxs($name, $list = [], $selected = null)
    {
        $html = [];
        $selected = is_null($selected) ? [] : $selected;
        $selected = is_array($selected) ? $selected : explode(',', $selected);
        foreach ($list as $k => $v) {
            $html[] = sprintf(Form::label("{$name}-{$k}", "%s {$v}"), Form::checkbox($name, $k, in_array($k, $selected), ['id' => "{$name}-{$k}"]));
        }
        return '<div class="checkbox">' . implode(' ', $html) . '</div>';
    }
}


if (!function_exists('build_category_select')) {

    /**
     * 生成分类下拉列表框
     * @param string $name
     * @param string $type
     * @param mixed $selected
     * @param array $attr
     * @param array $header
     * @return string
     */
    function build_category_select($name, $type, $selected = null, $attr = [], $header = [])
    {
        $tree = Tree::instance();
        $tree->init(Category::getCategoryArray($type), 'pid');
        $categorylist = $tree->getTreeList($tree->getTreeArray(0), 'name');
        $categorydata = $header ? $header : [];
        foreach ($categorylist as $k => $v) {
            $categorydata[$v['id']] = $v['name'];
        }
        $attr = array_merge(['id' => "c-{$name}", 'class' => 'form-control selectpicker'], $attr);
        return build_select($name, $categorydata, $selected, $attr);
    }
}

if (!function_exists('build_toolbar')) {

    /**
     * 生成表格操作按钮栏
     * @param array $btns 按钮组
     * @param array $attr 按钮属性值
     * @return string
     */
    function build_toolbar($btns = null, $attr = [])
    {
        $auth = \app\admin\library\Auth::instance();
        $controller = str_replace('.', '/', strtolower(think\Request::instance()->controller()));
        $btns = $btns ? $btns : ['refresh', 'add', 'edit', 'del', 'import'];
        $btns = is_array($btns) ? $btns : explode(',', $btns);
        $index = array_search('delete', $btns);
        if ($index !== false) {
            $btns[$index] = 'del';
        }
        $btnAttr = [
            'refresh' => ['javascript:;', 'btn btn-primary btn-refresh', 'fa fa-refresh', '', __('Refresh')],
            'add' => ['javascript:;', 'btn btn-success btn-add', 'fa fa-plus', __('Add'), __('Add')],
            'edit' => ['javascript:;', 'btn btn-success btn-edit btn-disabled disabled', 'fa fa-pencil', __('Edit'), __('Edit')],
            'del' => ['javascript:;', 'btn btn-danger btn-del btn-disabled disabled', 'fa fa-trash', __('Delete'), __('Delete')],
            'import' => ['javascript:;', 'btn btn-info btn-import', 'fa fa-upload', __('Import'), __('Import')],
        ];
        $btnAttr = array_merge($btnAttr, $attr);
        $html = [];
        foreach ($btns as $k => $v) {
            //如果未定义或没有权限
            if (!isset($btnAttr[$v]) || ($v !== 'refresh' && !$auth->check("{$controller}/{$v}"))) {
                continue;
            }
            list($href, $class, $icon, $text, $title) = $btnAttr[$v];
            //$extend = $v == 'import' ? 'id="btn-import-file" data-url="ajax/upload" data-mimetype="csv,xls,xlsx" data-multiple="false"' : '';
            //$html[] = '<a href="' . $href . '" class="' . $class . '" title="' . $title . '" ' . $extend . '><i class="' . $icon . '"></i> ' . $text . '</a>';
            if ($v == 'import') {
                $template = str_replace('/', '_', $controller);
                $download = '';
                if (file_exists("./template/{$template}.xlsx")) {
                    $download .= "<li><a href=\"/template/{$template}.xlsx\" target=\"_blank\">XLSX模版</a></li>";
                }
                if (file_exists("./template/{$template}.xls")) {
                    $download .= "<li><a href=\"/template/{$template}.xls\" target=\"_blank\">XLS模版</a></li>";
                }
                if (file_exists("./template/{$template}.csv")) {
                    $download .= empty($download) ? '' : "<li class=\"divider\"></li>";
                    $download .= "<li><a href=\"/template/{$template}.csv\" target=\"_blank\">CSV模版</a></li>";
                }
                $download .= empty($download) ? '' : "\n                            ";
                if (!empty($download)) {
                    $html[] = <<<EOT
                        <div class="btn-group">
                            <button type="button" href="{$href}" class="btn btn-info btn-import" title="{$title}" id="btn-import-file" data-url="ajax/upload" data-mimetype="csv,xls,xlsx" data-multiple="false"><i class="{$icon}"></i> {$text}</button>
                            <button type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" title="下载批量导入模版">
                                <span class="caret"></span>
                                <span class="sr-only">Toggle Dropdown</span>
                            </button>
                            <ul class="dropdown-menu" role="menu">{$download}</ul>
                        </div>
EOT;
                } else {
                    $html[] = '<a href="' . $href . '" class="' . $class . '" title="' . $title . '" id="btn-import-file" data-url="ajax/upload" data-mimetype="csv,xls,xlsx" data-multiple="false"><i class="' . $icon . '"></i> ' . $text . '</a>';
                }
            } else {
                $html[] = '<a href="' . $href . '" class="' . $class . '" title="' . $title . '"><i class="' . $icon . '"></i> ' . $text . '</a>';
            }
        }
        return implode(' ', $html);
    }
}

if (!function_exists('build_heading')) {

    /**
     * 生成页面Heading
     *
     * @param string $path 指定的path
     * @return string
     */
    function build_heading($path = null, $container = true)
    {
        $title = $content = '';
        if (is_null($path)) {
            $action = request()->action();
            $controller = str_replace('.', '/', request()->controller());
            $path = strtolower($controller . ($action && $action != 'index' ? '/' . $action : ''));
        }
        // 根据当前的URI自动匹配父节点的标题和备注
        $data = Db::name('auth_rule')->where('name', $path)->field('title,remark')->find();
        if ($data) {
            $title = __($data['title']);
            $content = __($data['remark']);
        }
        if (!$content) {
            return '';
        }
        $result = '<div class="panel-lead"><em>' . $title . '</em>' . $content . '</div>';
        if ($container) {
            $result = '<div class="panel-heading">' . $result . '</div>';
        }
        return $result;
    }
}

if (!function_exists('build_suffix_image')) {
    /**
     * 生成文件后缀图片
     * @param string $suffix 后缀
     * @param null $background
     * @return string
     */
    function build_suffix_image($suffix, $background = null)
    {
        $suffix = mb_substr(strtoupper($suffix), 0, 4);
        $total = unpack('L', hash('adler32', $suffix, true))[1];
        $hue = $total % 360;
        list($r, $g, $b) = hsv2rgb($hue / 360, 0.3, 0.9);

        $background = $background ? $background : "rgb({$r},{$g},{$b})";

        $icon = <<<EOT
        <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 512 512" style="enable-background:new 0 0 512 512;" xml:space="preserve">
            <path style="fill:#E2E5E7;" d="M128,0c-17.6,0-32,14.4-32,32v448c0,17.6,14.4,32,32,32h320c17.6,0,32-14.4,32-32V128L352,0H128z"/>
            <path style="fill:#B0B7BD;" d="M384,128h96L352,0v96C352,113.6,366.4,128,384,128z"/>
            <polygon style="fill:#CAD1D8;" points="480,224 384,128 480,128 "/>
            <path style="fill:{$background};" d="M416,416c0,8.8-7.2,16-16,16H48c-8.8,0-16-7.2-16-16V256c0-8.8,7.2-16,16-16h352c8.8,0,16,7.2,16,16 V416z"/>
            <path style="fill:#CAD1D8;" d="M400,432H96v16h304c8.8,0,16-7.2,16-16v-16C416,424.8,408.8,432,400,432z"/>
            <g><text><tspan x="220" y="380" font-size="124" font-family="Verdana, Helvetica, Arial, sans-serif" fill="white" text-anchor="middle">{$suffix}</tspan></text></g>
        </svg>
EOT;
        return $icon;
    }

    /**
     * @param int $no_of_codes //定义一个int类型的参数 用来确定生成多少个优惠码
     * @param array $exclude_codes_array //定义一个exclude_codes_array类型的数组
     * @param int $code_length //定义一个code_length的参数来确定优惠码的长度
     * @param string $prefix //定义优惠码前缀
     * @return array//返回数组
     */
    function generate_promotion_code($no_of_codes,$prefix = '', $exclude_codes_array = [], $code_length = 6)
    {
        $characters = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";

        $promotion_codes = array();//这个数组用来接收生成的优惠码
        for ($j = 0; $j < $no_of_codes; $j++) {
            $code = $prefix;
            for ($i = 0; $i < $code_length; $i++) {
                $code .= $characters[mt_rand(0, strlen($characters) - 1)];
            }
            //如果生成的4位随机数不再我们定义的$promotion_codes函数里面
            if (!in_array($code, $promotion_codes)) {
                if (is_array($exclude_codes_array))//
                {
                    if (!in_array($code, $exclude_codes_array))//排除已经使用的优惠码
                    {
                        $promotion_codes[$j] = $code;
                        //将生成的新优惠码赋值给promotion_codes数组
                 } else {
                        $j--;
                    }
                } else {
                    $promotion_codes[$j] = $code;//将优惠码赋值给数组
                }
            } else {
                $j--;
            }
        }
        return $promotion_codes;
    }
}