<?php

namespace app\ZengJieCode\controller\admin;

use think\Db;
use think\Cache;
use Picqer\Barcode\BarcodeGeneratorPNG;
use Endroid\QrCode\QrCode;
use Endroid\QrCode\Writer\PngWriter;

class Printaction extends Base
{
    protected $default_head_pic = 'http://tc.pcxbc.com/tsf/head_pic.png';
    protected $max_box_num = 10;
    protected $kitchenscale_db_msg = [
        'cookbook' => 'app_user_cookbook',   // 菜谱表
        'foodlist3' => 'app_z_national_standard_food_type_3', // 食材列表3
        'user' => 'app_user_data',           // banner
    ];
    
    // 自定义字体路径（相对于项目根目录）
    protected $fontPath = 'public/tsf/jc.ttf'; // 请替换为你的字体文件路径

    // 显示条形码生成页面
    public function print_device_data_index()
    {
        
        $data = input();
        if(array_key_exists('type',$data)){
            return $this->print_device_data_index_action('down');
        }else{
            $result = $this->print_device_data_index_action('page');
            $this->assign([
                'data'  => $result
            ]);
            return $this->fetch();
        }
        
    }

    public function print_device_data_index_action($data){
        $zengjie = Db::connect('zengjie_db');
        $pc = $zengjie->table('box_code_all')->order('id desc')->find();
        // dump($pc);
        $sql = "SELECT 
            a.mac_code, 
            a.sn_code, 
            b.box_code, 
            b.is_del, 
            FORMAT(b.box_num, '000') AS box_num
        FROM 
            sn_code_all AS a
        LEFT JOIN 
            box_code_all AS b ON a.batch_id = b.id
        WHERE 
            a.batch_id IS NOT NULL 
            AND b.box_code = ?
        ORDER BY 
            a.batch_id";

        $result = $zengjie->query($sql, [$pc['box_code']]);
        if($data == 'page'){
            return $result;
        }else{
            $result2 = [
                ['Mac码','Sn码','箱号','是否注销']
            ];
            for ($i=0; $i < count($result); $i++) { 
                $result2[] = [$result[$i]['mac_code'],$result[$i]['sn_code'],$result[$i]['box_code'].'-'.$result[$i]['box_num'],$result[$i]['is_del']==0?'否':'是'];
            }
            $excel = new \app\download\controller\Excel();
            $excel->export($result2, $pc['box_code']);
        }
    }


    // 显示外箱码生成页面
    public function print_outside_box_index()
    {
        return $this->fetch();
    }

    public function print_device_barcode()
    {
        $zengjie = Db::connect('zengjie_db');
        $img_content = $zengjie->table('sn_code_all')->where(['is_print' => 0])->field('sn_code')->find();
        
        if (empty($img_content)) {
            return $this->msg(10002, '没有可用的条形码');
        } else {
            $img_content = $img_content['sn_code'];
        }
        // dump($img_content);
        // die;
        return $this->barcode_action($img_content,1);
        
    }
    public function print_scan_barcode()
    {
        $zengjie = Db::connect('zengjie_db');
        $img_content = $zengjie->table('sn_code_all')->where(['is_print' => 3])->field('sn_code')->find();
        
        if (empty($img_content)) {
            return $this->msg(10002, '没有可用的条形码');
        } else {
            $img_content = $img_content['sn_code'];
        }
        return $this->barcode_action($img_content,4);
        
    }

    public function barcode_action($img_content,$typr_num_data){
        $zengjie = Db::connect('zengjie_db');
        $generator = new BarcodeGeneratorPNG();
        
        try {
            /*******************************
             * 可调整参数区域 - 开始
             *******************************/
            
            // 1. 字体文件路径
            $fontFile = ROOT_PATH . $this->fontPath;
            
            // 2. 图像尺寸参数
            $imageWidth = 709;           // 图像宽度
            $imageHeight = 236;          // 图像高度
            
            // 3. 条形码参数
            $barcodeScaleFactor = 0.9;   // 条形码缩放比例 (0-1)
            $barcodeHeightScale = 1.5;   // 条形码高度比例
            $barcodeYOffset = 10;         // 条形码Y轴偏移量
            
            // 4. 文本参数
            $textFontSize = 35;          // 文本字体大小
            $textYOffset = 35;            // 文本Y轴偏移量
            
            // 5. 布局参数
            $topBoxRatio = 0.65;         // 上区域高度比例
            $bottomBoxRatio = 0.25;      // 下区域高度比例
            $verticalMargin = 0.05;      // 垂直边距比例
            
            /*******************************
             * 可调整参数区域 - 结束
             *******************************/

            // 生成条形码
            $barcodeData = $generator->getBarcode($img_content, BarcodeGeneratorPNG::TYPE_CODE_128);
            $barcodeImage = imagecreatefromstring($barcodeData);
            
            // 创建画布
            $image = imagecreatetruecolor($imageWidth, $imageHeight);
            $white = imagecolorallocate($image, 255, 255, 255);
            $black = imagecolorallocate($image, 0, 0, 0);
            imagefill($image, 0, 0, $white);
            
            // 计算布局区域
            $verticalSpace = $imageHeight * (1 - $verticalMargin * 2);
            $topBoxHeight = $verticalSpace * $topBoxRatio;
            $bottomBoxHeight = $verticalSpace * $bottomBoxRatio;
            $startY = $imageHeight * $verticalMargin;
            
            // 处理条形码
            $barcodeWidth = imagesx($barcodeImage);
            $barcodeHeight = imagesy($barcodeImage);
            
            $targetBarcodeWidth = $imageWidth * $barcodeScaleFactor;
            $scale = $targetBarcodeWidth / $barcodeWidth;
            $newBarcodeWidth = $targetBarcodeWidth;
            $newBarcodeHeight = $barcodeHeight * $scale * $barcodeHeightScale;
            
            $resizedBarcode = imagecreatetruecolor($newBarcodeWidth, $newBarcodeHeight);
            imagefill($resizedBarcode, 0, 0, $white);
            imagecopyresampled($resizedBarcode, $barcodeImage, 
                            0, 0, 0, 0, 
                            $newBarcodeWidth, $newBarcodeHeight, 
                            $barcodeWidth, $barcodeHeight);
            
            // 放置条形码（上区域居中）
            $barcodeX = ($imageWidth - $newBarcodeWidth) / 2;
            $barcodeY = $startY + ($topBoxHeight - $newBarcodeHeight) / 2 + $barcodeYOffset;
            imagecopy($image, $resizedBarcode, $barcodeX, $barcodeY, 0, 0, $newBarcodeWidth, $newBarcodeHeight);
            
            // 放置文本（下区域居中）
            $textBox = imagettfbbox($textFontSize, 0, $fontFile, $img_content);
            $textWidth = $textBox[2] - $textBox[0];
            $textHeight = $textBox[1] - $textBox[7];
            
            $textX = ($imageWidth - $textWidth) / 2;
            $textY = $startY + $topBoxHeight + ($bottomBoxHeight - $textHeight) / 2 + $textYOffset;
            imagettftext($image, $textFontSize, 0, $textX, $textY, $black, $fontFile, $img_content);
            
            // 输出图像
            ob_start();
            imagepng($image);
            $imageData = ob_get_clean();
            
            // 标记为已打印
            $result1 = $zengjie->table('sn_code_all')
                   ->where(['sn_code' => $img_content])
                   ->update(['is_print' => $typr_num_data]);

            if($result1){
                return $this->msg([
                    'image' => 'data:image/png;base64,' . base64_encode($imageData)
                ]);
            }else{
                return $this->msg(10002,'保存条码失败');
            }

        } catch (\Exception $e) {
            return $this->msg(10003, "生成条形码失败: " . $e->getMessage());
        }
    }

    public function print_combined_code()
    {
        $zengjie = Db::connect('zengjie_db');
        // 获取可以打印的大箱条形码信息
        $box_data = $zengjie->table('box_code_all')->where(['is_print' => 0])->field('id,box_code,box_num')->find();

        $box_barcode_data = '';
        if (empty($box_data)) {
            return $this->msg(10002, '没有可用的编码');
        } else {
            $box_barcode_data = $box_data['box_code'].'-'.sprintf("%03d", (int)$box_data['box_num']);
        }
        // 获取大箱信息配套的sn二维码码信息
        $sn_data = $zengjie->table('sn_code_all')->where(['batch_id' => $box_data['id']])->field('sn_code')->select();
        $sn_qrcode_data = [];
        foreach ($sn_data as $item) {
            // 多重清理确保数据干净
            $sn_code = $item['sn_code'];
            
            // 1. 移除所有空字符和不可见字符
            $sn_code = preg_replace('/[\x00-\x1F\x7F]/', '', $sn_code);
            
            // 2. 去除首尾空白
            $sn_code = trim($sn_code);
            
            // 3. 确保只保留数字（根据业务需求）
            // $sn_code = preg_replace('/[^\d]/', '', $sn_code);
            
            $sn_qrcode_data[] = $sn_code;
        }
        $sn_qrcode_data = implode(',',$sn_qrcode_data);

        // $sn_qrcode_data = $box_data['content_str'];
        try {
            /*******************************
             * 可调整参数区域 - 开始
             *******************************/
            
            // 1. 文字相关参数
            $fontFile = ROOT_PATH . $this->fontPath; // 字体文件路径
            
            // "SN号集成码"文字参数
            $snTitleText = "SN号集成码";
            $snTitleFontSize = 31;      // 字体大小
            $snTitleYPosition = 60;     // Y轴位置
            
            // "外箱条码"文字参数
            $boxTitleText = "外箱条码";
            $boxTitleFontSize = 31;     // 字体大小
            $boxTitleYPosition = 460;    // Y轴位置
            
            // 外箱条码数字参数
            $barcodeTextFontSize = 25;  // 字体大小
            $barcodeTextYPosition = 620; // Y轴位置
            
            // 2. 二维码参数
            $qrCodeSize = 320;          // 二维码尺寸
            $qrCodeMargin = 2;           // 二维码边距
            $qrCodeYPosition = 90;       // Y轴位置
            
            // 3. 条形码参数
            $barcodeScaleFactor = 0.85;  // 条形码缩放比例 (0-1)
            $barcodeHeightScale = 2.0;   // 条形码高度比例 (调整黑色条码高度)
            $barcodeYPosition = 480;     // Y轴位置
            
            // 4. 图像尺寸参数
            $imageWidth = 543;           // 图像宽度 (45mm @ 300dpi)
            $imageHeight = 649;          // 图像高度 (55mm @ 300dpi)
            
            /*******************************
             * 可调整参数区域 - 结束
             *******************************/

            // 生成二维码
            $qrCode = new QrCode($sn_qrcode_data);
            $qrCode->setSize($qrCodeSize);
            $qrCode->setMargin($qrCodeMargin);
            $writer = new PngWriter();
            $qrCodeResult = $writer->write($qrCode);
            $qrCodeData = $qrCodeResult->getString();
            
            // 生成条形码
            $generator = new BarcodeGeneratorPNG();
            $barcodeData = $generator->getBarcode($box_barcode_data, BarcodeGeneratorPNG::TYPE_CODE_128);
            
            // 创建画布
            $image = imagecreatetruecolor($imageWidth, $imageHeight);
            $white = imagecolorallocate($image, 255, 255, 255);
            $black = imagecolorallocate($image, 0, 0, 0);
            imagefill($image, 0, 0, $white);
            
            // 添加"SN号集成码"文字
            $snTitleBox = imagettfbbox($snTitleFontSize, 0, $fontFile, $snTitleText);
            $snTitleWidth = $snTitleBox[2] - $snTitleBox[0];
            $snTitleX = ($imageWidth - $snTitleWidth) / 2;
            imagettftext($image, $snTitleFontSize, 0, $snTitleX, $snTitleYPosition, $black, $fontFile, $snTitleText);
            
            // 添加二维码
            $qrcodeImage = imagecreatefromstring($qrCodeData);
            $qrcodeWidth = imagesx($qrcodeImage);
            $qrcodeHeight = imagesy($qrcodeImage);
            
            $targetQrcodeSize = $qrCodeSize;
            $resizedQrcode = imagecreatetruecolor($targetQrcodeSize, $targetQrcodeSize);
            imagefill($resizedQrcode, 0, 0, $white);
            imagecopyresampled($resizedQrcode, $qrcodeImage, 
                            0, 0, 0, 0, 
                            $targetQrcodeSize, $targetQrcodeSize, 
                            $qrcodeWidth, $qrcodeHeight);
            
            $qrcodeX = ($imageWidth - $targetQrcodeSize) / 2;
            imagecopy($image, $resizedQrcode, $qrcodeX, $qrCodeYPosition, 0, 0, $targetQrcodeSize, $targetQrcodeSize);
            
            // 添加"外箱条码"文字
            $boxTitleBox = imagettfbbox($boxTitleFontSize, 0, $fontFile, $boxTitleText);
            $boxTitleWidth = $boxTitleBox[2] - $boxTitleBox[0];
            $boxTitleX = ($imageWidth - $boxTitleWidth) / 2;
            imagettftext($image, $boxTitleFontSize, 0, $boxTitleX, $boxTitleYPosition, $black, $fontFile, $boxTitleText);
            
            // 添加条形码
            $barcodeImage = imagecreatefromstring($barcodeData);
            $barcodeWidth = imagesx($barcodeImage);
            $barcodeHeight = imagesy($barcodeImage);
            
            $targetBarcodeWidth = $imageWidth * $barcodeScaleFactor;
            $scale = $targetBarcodeWidth / $barcodeWidth;
            $newBarcodeWidth = $targetBarcodeWidth;
            $newBarcodeHeight = $barcodeHeight * $scale * $barcodeHeightScale;
            
            $resizedBarcode = imagecreatetruecolor($newBarcodeWidth, $newBarcodeHeight);
            imagefill($resizedBarcode, 0, 0, $white);
            imagecopyresampled($resizedBarcode, $barcodeImage, 
                            0, 0, 0, 0, 
                            $newBarcodeWidth, $newBarcodeHeight, 
                            $barcodeWidth, $barcodeHeight);
            
            $barcodeX = ($imageWidth - $newBarcodeWidth) / 2;
            imagecopy($image, $resizedBarcode, $barcodeX, $barcodeYPosition, 0, 0, $newBarcodeWidth, $newBarcodeHeight);
            
            // 添加外箱条码文字
            $codeTextBox = imagettfbbox($barcodeTextFontSize, 0, $fontFile, $box_barcode_data);
            $codeTextWidth = $codeTextBox[2] - $codeTextBox[0];
            $codeTextX = ($imageWidth - $codeTextWidth) / 2;
            imagettftext($image, $barcodeTextFontSize, 0, $codeTextX, $barcodeTextYPosition, $black, $fontFile, $box_barcode_data);
            
            // 输出图像
            ob_start();
            imagepng($image);
            $imageData = ob_get_clean();
            
            // 标记为已打印
            $zengjie->table('box_code_all')
                   ->where(['id' => $box_data['id']])
                   ->update(['is_print' => 1]);
            
            return $this->msg([
                'image' => 'data:image/png;base64,' . base64_encode($imageData)
            ]);
            
        } catch (\Exception $e) {
            return $this->msg(10003, "生成集成码失败: " . $e->getMessage());
        }
    }
}