<?php

namespace App\Support;

use App\Exceptions\CourierOnboardingDingTalkException;
use App\Models\Business\CourierOnboarding;
use App\Models\Business\CourierOnboardingEvent;
use App\Services\DingTalk\CourierOnboardingClient;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Validator;

/** 只回传钉钉审批通过的内部快递资料，不变更财务系统的审批状态。 */
class CourierOnboardingDingTalkProfiles
{
    public const FINISHED_EVENTS = ['dingtalk_profile_synced', 'dingtalk_profile_closed'];

    public function __construct(private readonly CourierOnboardingClient $client)
    {
    }

    public function candidates(): Builder
    {
        return CourierOnboarding::allCompanies()->disableCache()
            ->whereNotNull('dingtalk_instance_id')->where('dingtalk_instance_id', '<>', '')
            ->whereNotIn('status', [CourierOnboarding::STATUS_CANCELLED, CourierOnboarding::STATUS_REJECTED])
            ->whereDoesntHave('events', fn (Builder $query) => $query->withoutGlobalScope(\App\Scopes\Company::class)
                ->withTrashed()->whereIn('event_type', self::FINISHED_EVENTS));
    }

    public function synchronize(int $companyId, int $id, string $token): string
    {
        $record = $this->candidates()->companyId($companyId)->find($id);
        if ($record === null) {
            return 'skipped';
        }
        $instanceId = (string) $record->dingtalk_instance_id;
        $snapshot = $this->client->instance($token, $instanceId);
        $values = collect($snapshot['formComponentValues'] ?? [])->pluck('value', 'name')->all();
        $marker = '[财务入驻:' . $record->company_id . ':' . $record->id . ':' . $record->number . ']';
        if (($snapshot['originatorUserId'] ?? '') !== config('courier_onboarding.dingtalk.originator_user_id')
            || ! is_string($values['原因'] ?? null) || ! str_contains($values['原因'], $marker)) {
            throw new CourierOnboardingDingTalkException('钉钉审批与入驻申请不匹配，未同步资料。');
        }
        $status = strtoupper((string) ($snapshot['status'] ?? ''));
        if (! in_array($status, ['COMPLETED', 'TERMINATED'], true)) {
            return 'pending';
        }
        $approved = $status === 'COMPLETED' && strtolower((string) ($snapshot['result'] ?? '')) === 'agree';
        $profile = [];
        if ($approved) {
            foreach (CourierOnboarding::PROFILE_FIELDS as $field => [$label]) {
                $value = $values[$label] ?? null;
                // 仅接受约定的普通文本值，不接收表格、文件或账号密码。
                $profile[$field] = is_string($value) ? trim($value) : null;
            }
            $validator = Validator::make($profile, CourierOnboarding::profileRules(), [], CourierOnboarding::profileAttributes());
            if ($validator->fails()) {
                $fields = array_map(fn (string $field): string => CourierOnboarding::PROFILE_FIELDS[$field][0], array_keys($validator->errors()->messages()));
                throw new CourierOnboardingDingTalkException('钉钉审批中的快递资料缺失或格式不正确：' . implode('、', $fields) . '。请补齐后等待重新同步。');
            }
        }

        return DB::transaction(function () use ($companyId, $id, $instanceId, $approved, $profile): string {
            $record = $this->candidates()->companyId($companyId)->lockForUpdate()->find($id);
            if ($record === null || $record->dingtalk_instance_id !== $instanceId) {
                return 'skipped';
            }
            if ($approved) {
                $record->update($profile);
            }
            $this->event($record, $approved ? 'dingtalk_profile_synced' : 'dingtalk_profile_closed',
                $approved ? '钉钉审批已通过，内部快递资料已同步到本入驻申请及快递资料。' : '钉钉审批未通过或已终止，保留财务系统原有资料及审核状态。');

            return $approved ? 'synced' : 'closed';
        });
    }

    public function recordFailure(CourierOnboarding $record, string $message): void
    {
        $latest = CourierOnboardingEvent::allCompanies()->companyId($record->company_id)
            ->where('onboarding_id', $record->id)->where('event_type', 'dingtalk_profile_failed')->latest('id')->first();
        if ($latest?->note !== $message) {
            $this->event($record, 'dingtalk_profile_failed', $message);
        }
    }

    private function event(CourierOnboarding $record, string $type, string $note): void
    {
        CourierOnboardingEvent::create([
            'company_id' => $record->company_id, 'onboarding_id' => $record->id,
            'event_type' => $type, 'from_status' => $record->status, 'to_status' => $record->status,
            'actor_type' => 'system', 'note' => $note,
        ]);
    }
}