<?php

namespace App\Http\API\SMBC;

use App\Codes\EnvironmentName;
use App\Util\EncodingUtil;
use Exception;
use Illuminate\Support\Arr;
use Illuminate\Support\Carbon;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Str;

class PollResult
{
    // 共通
    private const IDX_RECORD_CODE = 0;
    // ヘッダー
    private const IDX_HEADER_RESULT = 1;
    private const IDX_HEADER_MESSAGE = 2;
    // ボディー
    private const IDX_FOOTER_COUNT = 1;
    // フッター

    private const RECORD_CODE_HEADER = "10";
    private const RECORD_CODE_BODY = "20";
    private const RECORD_CODE_FOOTER = "80";
    private const RESULT_CODE_SUCCESS = ["000000", "943037"];


    /**
     * @var Collection<int, Collection<int, string>>
     */
    private Collection $lines;

    /**
     * @var Collection<int, PollResultRecord>
     */
    private Collection $body;

    private bool $success = false;
    private string $message = "";
    private int $count = 0;

    public function __construct(string $data)
    {
        $this->lines = collect();
        $lines = Str::of($data)->replace('"', '')->explode("\r\n");
        foreach ($lines as $lineStr) {
            if ($lineStr) {
                $lineStr = EncodingUtil::toUtf8FromSjis($lineStr);
                $this->lines->push(Str::of($lineStr)->explode(','));
            }
        }

        if (!$this->parseHeader()) {
            return;
        }
        if (!$this->parseBody()) {
            return;
        }
        if (!$this->parseFooter()) {
            return;
        }

        $this->success = true;
    }

    public function ok(): bool
    {
        return $this->success;
    }
    public function getMessage(): string
    {
        return $this->message;
    }

    public function getRecord()
    {
        return $this->body;
    }

    public function getCount(): int
    {
        return $this->count;
    }

    private function parseHeader(): bool
    {
        $header =  $this->lines->first();
        if (!$header) {
            $this->success = false;
            $this->message = "ヘッダーなし";
            return false;
        }

        $resultCode = $header->get(self::IDX_HEADER_RESULT);
        if (!in_array($resultCode, self::RESULT_CODE_SUCCESS)) {
            $this->success = false;
            $this->message = sprintf("結果コードNG %s", $resultCode);
            $readMessage = EncodingUtil::toUtf8FromSjis($header->get(self::IDX_HEADER_MESSAGE));
            return false;
        }
        return true;
    }

    private function parseBody(): bool
    {
        $this->body = collect();

        try {
            foreach ($this->lines as $line) {
                if ($line[self::IDX_RECORD_CODE] === self::RECORD_CODE_BODY) {
                    $this->body->push(new PollResultRecord($line));
                }
            }
        } catch (Exception $e) {
            $this->success = false;
            $this->message = sprintf("Bodyパース失敗 %s", $e->getMessage());
            return false;
        }

        return true;
    }

    private function parseFooter(): bool
    {
        $footer = $this->lines->last();

        if (!$footer) {
            $this->success = false;
            $this->message = "フッターなし";
            return false;
        }

        $count = intval($footer->get(self::IDX_FOOTER_COUNT));

        if ($count !== $this->body->count()) {
            $this->success = false;
            $this->message = sprintf("読込件数に差異あり %d : %d", $count, $this->body->count());
            return false;
        }
        $this->count = $count;

        return true;
    }
}