<?php

namespace App\Business;

use App\Models\Business\CourierAgreementSignature;
use App\Models\Business\CourierOnboarding;
use App\Models\Business\CourierPaymentAccount;
use App\Models\Business\CourierProfile;
use App\Models\Business\CourierProfileEvent;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Schema;
use Throwable;

/**
 * 快递资料在财务系统这一侧的数据：编辑覆盖值、打款信息（入驻对公/对私 + 新增/变更记录）、操作日志。
 * 工作平台镜像只读，这里的数据都存在财务系统自己的表里。
 */
final class CourierProfileData
{
    /** @return array<string,array<string,mixed>> 快递代码 => 覆盖值 */
    public function overrides(array $codes): array
    {
        $codes = array_values(array_unique(array_filter(array_map('strval', $codes), 'filled')));
        if ($codes === [] || ! Schema::hasTable('business_courier_profiles')) {
            return [];
        }

        return CourierProfile::query()->whereIn('expcode', $codes)->get()
            ->mapWithKeys(static fn (CourierProfile $profile): array => [(string) $profile->expcode => (array) $profile->overrides])
            ->all();
    }

    /** 把覆盖值盖到快递资料行上，`_overridden` 记下改过的字段。 */
    public function apply(object $row, array $overrides): object
    {
        $row = clone $row;
        $changed = [];
        foreach ($overrides as $field => $value) {
            if (array_key_exists($field, CourierProfile::EDITABLE)) {
                $row->{$field} = $value;
                $changed[] = $field;
            }
        }
        $row->_overridden = $changed;

        return $row;
    }

    /** 财务系统入驻（还没有工作平台记录）的快递，按快递资料的列铺成一行。 */
    public function onboardingRow(array $info): object
    {
        /** @var CourierOnboarding $onboarding */
        $onboarding = $info['onboarding'];

        return (object) [
            'Id' => null,
            'expcode' => $onboarding->workplatform_expcode,
            'expname' => $onboarding->courier_name,
            'paymethod' => $onboarding->settlement_cycle,
            'status' => $onboarding->status === CourierOnboarding::STATUS_ACTIVATED ? '1' : '0',
            'kuaiyunsgn' => $onboarding->service_type === '快运' ? '1' : '0',
            'tradebtime' => $info['contract_start'] ?? null,
            'tradeetime' => $info['contract_end'] ?? null,
            'linker' => $onboarding->contact_name,
            'linkmobile' => $onboarding->contact_phone,
            'dzqzjbr' => $onboarding->esign_account,
            'undefined3' => $onboarding->deduction_method,
            'modified' => $onboarding->updated_at?->toDateTimeString(),
            '_onboarding_only' => true,
            '_info' => $info,
        ];
    }

    /** 按快递公司代码取当前显示的一行主信息（工作平台镜像优先，没有则用财务系统入驻），已盖上编辑覆盖值。 */
    public function currentRow(string $code): ?object
    {
        $mirror = app(\Modules\EcommerceFinance\Repositories\CourierInformationMirrorRepository::class);
        $overview = app(CourierOverviewData::class);
        $row = null;
        try {
            if ($mirror->available() && $mirror->ready()) {
                $found = $mirror->paginate(array_merge(
                    array_fill_keys(['expname', 'undefined1', 'undefined2', 'undefined3', 'tradebtime_from', 'tradebtime_to', 'status'], ''),
                    ['expcode' => $code],
                ), 1, 1)['data'][0] ?? null;
                if ($found !== null) {
                    $row = clone $found;
                    $row->_info = $overview->infoFor($code, $found->expname ?? null);
                }
            }
        } catch (Throwable $exception) {
            report($exception);
        }
        if ($row === null && ($info = $overview->infoFor($code, null)) !== null) {
            $row = $this->onboardingRow($info);
        }

        return $row !== null ? $this->apply($row, $this->overrides([$code])[$code] ?? []) : null;
    }

    /**
     * 协议签署页预填：打款信息新增 → 收款账户证明；变更 → 收款账户变更。
     *
     * @return array<string,mixed>|null
     */
    public static function agreementPrefill(mixed $id): ?array
    {
        if (! is_numeric($id) || ! Schema::hasTable('business_courier_payment_accounts')) {
            return null;
        }
        $record = CourierPaymentAccount::query()->find((int) $id);
        if ($record === null) {
            return null;
        }
        $onboarding = app(CourierOverviewData::class)->infoFor($record->expcode, $record->courier_name)['onboarding'] ?? null;
        $fields = $record->action === CourierPaymentAccount::ACTION_CHANGE
            ? [
                'account_change_date' => $record->change_date?->toDateString(),
                'old_account_name' => $record->old_account_name,
                'old_account_number' => $record->old_account_number,
                'old_account_stop_date' => $record->old_stop_date?->toDateString(),
                'new_account_effective_date' => $record->effective_date?->toDateString(),
                'new_account_name' => $record->account_name,
                'new_bank_name' => $record->bank_name,
                'new_bank_account' => $record->account_number,
            ]
            : [
                'account_proof_effective_date' => $record->effective_date?->toDateString(),
                'account_proof_account_name' => $record->account_name,
                'account_proof_bank_name' => $record->bank_name,
                'account_proof_bank_account' => $record->account_number,
            ];
        if ($onboarding !== null && filled($onboarding->company_full_name)) {
            $fields['counterparty_organization_name'] = $onboarding->company_full_name;
        }

        return [
            'id' => $record->id,
            'action' => $record->actionLabel(),
            'courier_name' => $record->courier_name,
            'expcode' => $record->expcode,
            'document_type' => $record->documentType(),
            'signer_type' => $onboarding !== null && $onboarding->entity_type === CourierOnboarding::ENTITY_PERSON ? 'person' : 'organization',
            'esign_account' => $onboarding?->esign_account,
            'fields' => array_filter($fields, static fn ($value): bool => filled($value)),
        ];
    }

    /** 快递资料右侧接的入驻字段（我方填写；扣款方式对齐到左边「扣款方式」列，不重复显示）。 */
    public const APPENDED_PROFILE_FIELDS = [
        'courier_category', 'cooperation_mode', 'courier_attribute', 'waybill_type', 'shipping_mode',
        'need_logistics_check', 'workplatform_account', 'courier_email', 'network_code', 'network_region',
    ];

    /** 工作平台的行：扣款方式没填时用入驻里我方填的。 */
    public function fillFromOnboarding(object $row): object
    {
        $onboarding = $row->_info['onboarding'] ?? null;
        if ($onboarding !== null && blank($row->undefined3 ?? null) && filled($onboarding->deduction_method)) {
            $row = clone $row;
            $row->undefined3 = $onboarding->deduction_method;
        }

        return $row;
    }

    /** 入驻里填的网点，按工作平台网点表的列铺成一行（排在网点明细最前面）。 */
    public function onboardingNetwork(CourierOnboarding $onboarding): ?object
    {
        if (blank($onboarding->network_code) && blank($onboarding->network_name) && blank($onboarding->network_region)) {
            return null;
        }

        return (object) [
            'id' => '入驻 ' . $onboarding->number,
            'expcode' => $onboarding->workplatform_expcode,
            'netcode' => $onboarding->network_code,
            'netname' => $onboarding->network_name,
            'address' => $onboarding->network_region,
            'linker' => $onboarding->contact_name,
            'linkermobile' => $onboarding->contact_phone,
            'status' => $onboarding->status === CourierOnboarding::STATUS_ACTIVATED ? '1' : '0',
            'created' => $onboarding->created_at?->toDateTimeString(),
        ];
    }

    /** 保存编辑：只记和当前显示值不同的字段，并写一条操作日志。 */
    public function update(string $expcode, ?string $courierName, object $current, array $values, int $userId): int
    {
        $profile = CourierProfile::query()->firstOrNew(['company_id' => company_id(), 'expcode' => $expcode]);
        $overrides = (array) ($profile->overrides ?? []);
        $changes = [];
        foreach (CourierProfile::EDITABLE as $field => $label) {
            if (! array_key_exists($field, $values)) {
                continue;
            }
            $new = $this->normalize($field, $values[$field]);
            $old = $this->normalize($field, $current->{$field} ?? null);
            if ($new === $old) {
                continue;
            }
            $overrides[$field] = $new;
            $changes[$field] = ['label' => $label, 'old' => $old, 'new' => $new];
        }
        if ($changes === []) {
            return 0;
        }

        $profile->fill([
            'courier_name' => $courierName ?: $profile->courier_name,
            'overrides' => $overrides,
            'updated_by' => $userId,
        ]);
        $profile->created_by ??= $userId;
        $profile->save();

        $this->log($expcode, 'edit', '修改 ' . implode('、', array_column($changes, 'label')), $changes, $userId);

        return count($changes);
    }

    public function log(string $expcode, string $action, string $summary, ?array $changes, int $userId): void
    {
        CourierProfileEvent::query()->create([
            'company_id' => company_id(),
            'expcode' => $expcode,
            'action' => $action,
            'summary' => mb_substr($summary, 0, 500),
            'changes' => $changes,
            'created_by' => $userId,
        ]);
    }

    /** @return Collection<int,CourierProfileEvent> */
    public function events(?string $expcode = null, int $limit = 100): Collection
    {
        if (! Schema::hasTable('business_courier_profile_events')) {
            return collect();
        }

        return CourierProfileEvent::query()
            ->with('creator')
            ->when(filled($expcode), static fn ($query) => $query->where('expcode', $expcode))
            ->latest('id')
            ->limit($limit)
            ->get();
    }

    /**
     * 财务系统这一侧的打款信息（完整显示）：入驻时填的对公/对私账户 + 打款信息新增/变更记录。
     *
     * @return list<array<string,mixed>>
     */
    public function financeAccounts(?string $expcode = null, ?CourierOnboarding $onboarding = null): array
    {
        $rows = [];
        if (Schema::hasTable('business_courier_payment_accounts')) {
            $records = CourierPaymentAccount::query()
                ->when(filled($expcode), static fn ($query) => $query->where('expcode', $expcode))
                ->latest('id')
                ->get();
            foreach ($records as $record) {
                $status = $this->paymentStatus($record);
                $rows[] = [
                    'source' => $record->actionLabel(),
                    'expcode' => $record->expcode,
                    'courier_name' => $record->courier_name,
                    'type' => $record->account_type,
                    'name' => $record->account_name,
                    'bank' => $record->bank_name,
                    'number' => $record->account_number,
                    'effective_date' => $record->effective_date?->toDateString(),
                    'old' => $record->action === CourierPaymentAccount::ACTION_CHANGE
                        ? trim($record->old_account_name . ' ' . $record->old_account_number) . ($record->old_stop_date ? '（' . $record->old_stop_date->toDateString() . ' 停用）' : '')
                        : null,
                    'status' => $status['label'],
                    'tone' => $status['tone'],
                    'erp_account_id' => null,
                    'created_at' => $record->created_at?->toDateTimeString(),
                    'record' => $record,
                ];
            }
        }

        $onboardings = $onboarding !== null
            ? collect([$onboarding])
            : (Schema::hasTable('business_courier_onboardings')
                ? CourierOnboarding::query()
                    ->whereNotIn('status', [CourierOnboarding::STATUS_CANCELLED, CourierOnboarding::STATUS_REJECTED])
                    ->when(filled($expcode), static fn ($query) => $query->where('workplatform_expcode', $expcode))
                    ->latest('id')
                    ->get()
                : collect());
        foreach ($onboardings as $item) {
            $checks = $item->accountChecks();
            foreach ([
                ['对公', $item->bank_account_name, $item->bank_name, $item->bank_account_number, $checks['corporate'] ?? null],
                ['对私', $item->private_account_name, $item->private_bank_name, $item->private_account_number, $checks['private'] ?? null],
            ] as [$type, $name, $bank, $number, $check]) {
                if (! filled($name) && ! filled($number)) {
                    continue;
                }
                $rows[] = [
                    'source' => '快递入驻 ' . $item->number,
                    'expcode' => $item->workplatform_expcode,
                    'courier_name' => $item->courier_name,
                    'type' => $type,
                    'name' => $name,
                    'bank' => $bank,
                    'number' => $number,
                    'effective_date' => $item->activated_at?->toDateString(),
                    'old' => null,
                    'status' => $check === false ? ($type === '对公' ? '户名与营业执照主体不一致' : '收款人与法定代表人不一致') : $item->statusLabel(),
                    'tone' => $check === false ? 'is-bad' : ($item->status === CourierOnboarding::STATUS_ACTIVATED ? 'is-ok' : 'is-warn'),
                    'erp_account_id' => $item->erp_account_id,
                    'created_at' => $item->created_at?->toDateTimeString(),
                    'onboarding' => $item,
                ];
            }
        }

        return $rows;
    }

    /**
     * 打款信息新增/变更的状态：按协议签署里同一快递、同类文件、同一新账号的签署任务推导。
     *
     * @return array{label:string,tone:string,signature:?CourierAgreementSignature}
     */
    public function paymentStatus(CourierPaymentAccount $record): array
    {
        $signature = null;
        if (Schema::hasTable('business_courier_agreement_signatures') && filled($record->courier_name)) {
            $field = $record->action === CourierPaymentAccount::ACTION_CHANGE ? 'new_bank_account' : 'account_proof_bank_account';
            $number = $this->digits($record->account_number);
            $signature = CourierAgreementSignature::query()
                ->where('courier_name', $record->courier_name)
                ->where('document_type', $record->documentType())
                ->where('created_at', '>=', $record->created_at)
                ->latest('id')
                ->get()
                ->first(function (CourierAgreementSignature $signature) use ($field, $number): bool {
                    try {
                        return $this->digits((string) data_get($signature->payload, $field)) === $number;
                    } catch (Throwable) {
                        return false;
                    }
                });
        }

        return match (true) {
            $signature === null => ['label' => '待推送协议', 'tone' => 'is-warn', 'signature' => null],
            in_array($signature->status, [CourierAgreementSignature::STATUS_COMPLETED, CourierAgreementSignature::STATUS_ARCHIVED], true) => ['label' => '已生效', 'tone' => 'is-ok', 'signature' => $signature],
            in_array($signature->status, [CourierAgreementSignature::STATUS_REVOKED, CourierAgreementSignature::STATUS_EXPIRED, CourierAgreementSignature::STATUS_REJECTED, CourierAgreementSignature::STATUS_FAILED], true) => ['label' => '签署未完成，需重新推送', 'tone' => 'is-bad', 'signature' => $signature],
            default => ['label' => '签署中', 'tone' => 'is-warn', 'signature' => $signature],
        };
    }

    private function digits(?string $value): string
    {
        return (string) preg_replace('/[\s\-]+/u', '', (string) $value);
    }

    private function normalize(string $field, mixed $value): ?string
    {
        if ($value === null) {
            return null;
        }
        $value = trim((string) $value);
        if ($value === '' || $value === '-') {
            return null;
        }
        if (in_array($field, CourierProfile::BOOLEAN_FIELDS, true)) {
            return in_array(strtolower($value), ['1', 'true', 'yes', 'y', '是'], true) ? '1' : '0';
        }
        if (in_array($field, CourierProfile::DATE_FIELDS, true)) {
            return substr($value, 0, 10);
        }

        return $value;
    }
}