<?php

namespace App\Console\Commands;

use App\Services\Auth\FinanceRoster;
use Illuminate\Console\Command;
use Illuminate\Support\Carbon;
use Modules\EcommerceFinance\Exceptions\DingTalkAttendanceException;
use Modules\EcommerceFinance\Repositories\DingAttendanceMirrorRepository;
use Modules\EcommerceFinance\Services\DingTalkAttendanceClient;
use Throwable;

class SyncDingAttendance extends Command
{
    protected $signature = 'business-mirror:sync-ding-attendance
        {--days= : 回看天数，默认使用配置值}
        {--from= : 开始日期 YYYY-MM-DD}
        {--to= : 结束日期 YYYY-MM-DD}';

    protected $description = '同步财务中心成员的钉钉考勤打卡记录';

    public function handle(
        DingTalkAttendanceClient $client,
        DingAttendanceMirrorRepository $repository,
        FinanceRoster $financeRoster,
    ): int {
        if (! (bool) config('dingtalk.attendance.enabled', true)) {
            return self::SUCCESS;
        }
        if (! $repository->available()) {
            $this->error('考勤镜像表尚未建立，请先执行数据库迁移。');

            return self::FAILURE;
        }
        if (! $client->isConfigured()) {
            $repository->recordFailure('dingtalk_credentials_missing');
            $this->error('钉钉应用凭据未配置。');

            return self::FAILURE;
        }

        try {
            $to = $this->dateOption('to')?->endOfDay() ?? now()->endOfDay();
            $from = $this->dateOption('from')?->startOfDay()
                ?? $to->copy()->subDays(max((int) ($this->option('days') ?: config('dingtalk.attendance.lookback_days', 35)), 1))->startOfDay();
            if ($from->greaterThan($to)) {
                throw new \InvalidArgumentException('考勤同步开始日期不能晚于结束日期。');
            }

            $members = $financeRoster->cachedFinanceMembers();
            $names = [];
            $userIds = [];
            foreach ($members as $member) {
                $userId = trim((string) ($member['userid'] ?? ''));
                if ($userId === '') {
                    continue;
                }
                $userIds[$userId] = $userId;
                $names[$userId] = trim((string) ($member['name'] ?? ''));
            }
            if ($userIds === []) {
                throw new \RuntimeException('财务中心没有可同步考勤的在职成员。');
            }

            $now = now();
            $rows = [];
            $pages = 0;
            for ($windowStart = $from->copy(); $windowStart->lessThanOrEqualTo($to); $windowStart = $windowEnd->copy()->addSecond()->startOfDay()) {
                $windowEnd = $windowStart->copy()->addDays(6)->endOfDay();
                if ($windowEnd->greaterThan($to)) {
                    $windowEnd = $to->copy();
                }

                foreach (array_chunk(array_values($userIds), 50) as $userChunk) {
                    $result = $client->listRecords($userChunk, $windowStart, $windowEnd);
                    $pages += (int) $result['pages'];
                    foreach ($result['records'] as $record) {
                        if (! is_array($record)) {
                            continue;
                        }
                        $recordId = trim((string) ($record['id'] ?? ''));
                        $userId = trim((string) ($record['userId'] ?? ''));
                        $workDate = $this->dateValue($record['workDate'] ?? null);
                        if ($recordId === '' || $userId === '' || $workDate === null) {
                            continue;
                        }

                        $rows[$recordId] = [
                            'record_id' => mb_substr($recordId, 0, 64),
                            'user_id' => mb_substr($userId, 0, 128),
                            'user_name' => mb_substr($names[$userId] ?? '', 0, 191),
                            'work_date' => $workDate,
                            'check_type' => $this->nullableString($record['checkType'] ?? null, 32),
                            'time_result' => $this->nullableString($record['timeResult'] ?? null, 64),
                            'approve_tag_name' => $this->nullableString($record['approveTagName'] ?? null, 191),
                            'approve_id' => $this->nullableString($record['approveId'] ?? null, 64),
                            'proc_inst_id' => $this->nullableString($record['procInstId'] ?? null, 191),
                            'source_type' => $this->nullableString($record['sourceType'] ?? null, 32),
                            'base_check_time' => $this->dateTimeValue($record['baseCheckTime'] ?? null),
                            'user_check_time' => $this->dateTimeValue($record['userCheckTime'] ?? null),
                            'synced_at' => $now,
                            'created_at' => $now,
                            'updated_at' => $now,
                        ];
                    }
                }
            }

            $upserted = $repository->upsertRecords(array_values($rows));
            $repository->recordSuccess($upserted, $from, $to);

            $this->info(sprintf(
                '钉钉考勤同步完成：读取 %d 页，写入/更新 %d 条。',
                $pages,
                $upserted,
            ));

            return self::SUCCESS;
        } catch (DingTalkAttendanceException $exception) {
            $repository->recordFailure($exception->errorCode);
            report($exception);
            $this->error($exception->getMessage());

            return self::FAILURE;
        } catch (Throwable $exception) {
            $repository->recordFailure('dingtalk_attendance_sync_failed');
            report($exception);
            $this->error('钉钉考勤同步失败，详细原因已记录到受保护日志。');

            return self::FAILURE;
        }
    }

    private function dateOption(string $name): ?Carbon
    {
        $value = trim((string) $this->option($name));
        if ($value === '') {
            return null;
        }
        if (preg_match('/^\d{4}-\d{2}-\d{2}$/D', $value) !== 1) {
            throw new \InvalidArgumentException('考勤同步日期格式应为 YYYY-MM-DD。');
        }

        return Carbon::createFromFormat('!Y-m-d', $value, config('app.timezone', 'Asia/Shanghai'));
    }

    private function dateValue(mixed $value): ?string
    {
        $dateTime = $this->dateTimeValue($value);

        return $dateTime === null ? null : substr($dateTime, 0, 10);
    }

    private function dateTimeValue(mixed $value): ?string
    {
        if ($value === null || $value === '') {
            return null;
        }

        try {
            $timezone = (string) config('app.timezone', 'Asia/Shanghai');
            if (is_numeric($value)) {
                $timestamp = (int) $value;
                return $timestamp > 99999999999
                    ? Carbon::createFromTimestampMs($timestamp, $timezone)->toDateTimeString()
                    : Carbon::createFromTimestamp($timestamp, $timezone)->toDateTimeString();
            }

            return Carbon::parse((string) $value, $timezone)->toDateTimeString();
        } catch (Throwable) {
            return null;
        }
    }

    private function nullableString(mixed $value, int $length): ?string
    {
        if (! is_scalar($value)) {
            return null;
        }

        $value = trim((string) $value);

        return $value === '' ? null : mb_substr($value, 0, $length);
    }
}