<?php

namespace App\Exports;

use Maatwebsite\Excel\Concerns\FromArray;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithCustomStartCell;
use Maatwebsite\Excel\Events\AfterSheet;
use PhpOffice\PhpSpreadsheet\Worksheet\Drawing;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use Maatwebsite\Excel\Concerns\WithEvents;
use Maatwebsite\Excel\Concerns\FromCollection;
use Illuminate\Support\Collection;
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Style\Border;
use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;

class ArrayExportH implements FromArray, WithHeadings, WithCustomStartCell, WithEvents
{
    protected $data = [];
    protected $headings = null;
    protected $startCell = 'A1';
    protected $maxWidthThreshold = 50; // 設定相對的最大值
    protected $printOrientation = 1; // 預設橫式列印 1 = 橫式列印, 0 = 直式列印
    protected $showPageNumber = 0; // 是否顯示頁碼 1 = 顯示, 0 = 不顯示
    protected $showBorder = 0; // 顯示框線


    public function __construct(array $data, array $headings = null, array $option = [])
    {
        $this->data = $data;
        $this->headings = $headings;
        $this->startCell = $option['startCell'] ?? 'A1';
        $this->maxWidthThreshold = $option['maxWidth'] ?? 50;
        $this->printOrientation = $option['printDef'] ?? 1;
        $this->showPageNumber = $option['showPN'] ?? 1;
        $this->showBorder = $option['showBorder'] ?? 1;
    }

    public function array(): array
    {
        return $this->data;
    }

    public function headings(): array
    {
        // 定義標題列
        return $this->headings ?? array_keys($this->data[0]);
    }

    public function startCell(): string
    {
        return $this->startCell ?? 'A1';
    }
    public function registerEvents(): array
    {
        return [
            AfterSheet::class => function (AfterSheet $event) {
                // 在這裡設定欄位寬度
                $sheet = $event->sheet;

                // 設定頁尾顯示
                if ($this->showPageNumber) {
                    // $sheet->getDelegate()->getHeaderFooter()->setOddHeader('&L &D &T &R 第 &P 頁，共 &N 頁');
                    $sheet->getDelegate()->getHeaderFooter()->setOddFooter('&R 第 &P 頁，共 &N 頁');
                }

                // 設定列印邊界為窄邊界
                $sheet->getDelegate()->getPageMargins()->setTop(0.75);
                $sheet->getDelegate()->getPageMargins()->setBottom(0.75);
                $sheet->getDelegate()->getPageMargins()->setLeft(0.25);
                $sheet->getDelegate()->getPageMargins()->setRight(0.25);

                // 設定橫式列印
                if ($this->printOrientation)
                    $sheet->getDelegate()->getPageSetup()->setOrientation(PageSetup::ORIENTATION_LANDSCAPE);

                // 最高的行和列
                $highestRow = $sheet->getDelegate()->getHighestRow();
                $highestColumn = $sheet->getDelegate()->getHighestColumn();

                $sheet->getDelegate()->mergeCells('A1:' . $highestColumn . '1'); // 合併 A1:C1 儲存格
                $sheet->getDelegate()->mergeCells('A2:' . $highestColumn . '2'); // 合併 A1:C1 儲存格
                // $sheet->getDelegate()->mergeCells('A3:C3'); // 合併 A1:C1 儲存格
                // $sheet->getDelegate()->mergeCells('D1:G2'); // 合併 A1:C1 儲存格

                // 自動設定框線
                if ($this->showBorder) {
                    $range = 'A1:' . $highestColumn . $highestRow;
                    $sheet->getDelegate()->getStyle($range)->getBorders()->getAllBorders()->setBorderStyle('thin');
                }
                // 設定資料內容置中
                $range = 'A3:' . $highestColumn . $highestRow;
                $sheet->getDelegate()->getStyle($range)->getAlignment()->setHorizontal(Alignment::HORIZONTAL_CENTER);
                $sheet->getDelegate()->getStyle($range)->getAlignment()->setVertical(Alignment::VERTICAL_CENTER);
                // 測量欄位內容寬度並設定寬度
                $maxWidths = [];
                foreach ($sheet->getColumnIterator() as $column) {
                    $columnLetter = $column->getColumnIndex();
                    $maxWidth = 0;

                    foreach ($column->getCellIterator() as $cell) {
                        $width = strlen((string)$cell->getValue()) * 1.2; // 設定寬度倍率
                        if ($width > $maxWidth) {
                            $maxWidth = $width;
                        }
                    }

                    $maxWidths[$columnLetter] = $maxWidth;
                }

                foreach ($maxWidths as $columnLetter => $width) {
                    $sheet->getColumnDimension($columnLetter)->setWidth($width > $this->maxWidthThreshold ? $this->maxWidthThreshold : $width);
                }
            },
        ];
    }

    protected function wrapTextIfNeeded($value)
    {
        // 檢查是否需要換行顯示
        return strlen($value) > $this->maxWidthThreshold ? wordwrap($value, $this->maxWidthThreshold, "\n", true) : $value;
    }

    // public function drawings()
    // {
    //     $drawings = [];

    //     foreach ($this->data as $row) {
    //         if (isset($row[1]) && !empty($row[1])) {
    //             $imagePath = public_path($row[1]); // 圖片路徑
    //             if (file_exists($imagePath)) {
    //                 $drawing = new Drawing();
    //                 $drawing->setName('Image');
    //                 $drawing->setDescription('Image');
    //                 $drawing->setPath($imagePath);
    //                 $drawing->setHeight(100);
    //                 $drawing->setCoordinates('A' . ($this->key() + 2)); // 從第二行開始
    //                 $drawings[] = $drawing;
    //             }
    //         }
    //     }

    //     return $drawings;
    // }

}