<?php

declare(strict_types=1);

namespace app\command;

use app\adminapi\logic\tcm\PrescriptionOrderLogic;
use app\common\model\tcm\PrescriptionOrder;
use app\common\model\tcm\PrescriptionOrderLog;
use app\common\service\gancao\GancaoScmRecipelService;
use think\console\Command;
use think\console\Input;
use think\console\input\Option;
use think\console\Output;

/**
 * 历史 internal_cost 回填：对每条业务订单调用甘草预下单（CTM_PREVIEW），
 * 将返回 fee 的「药材成本 + 制作费 + 物流费」合计写入 zyt_tcm_prescription_order.internal_cost。
 *
 *   php think tcm:backfill-internal-cost --dry-run
 *   php think tcm:backfill-internal-cost --limit=30 --sleep-ms=400
 *   php think tcm:backfill-internal-cost --order-id=123
 *   php think tcm:backfill-internal-cost --force
 *   php think tcm:backfill-internal-cost --null-or-zero --min-id=1000
 *   php think tcm:backfill-internal-cost --fulfillment-status=5,6,3
 *
 * 履约状态代码（fulfillment_status）：1待双审通过 2待发货 3已完成 4已取消 5已发货 6已签收
 *   7进行中 8暂不制药 9拒收 10退款 11保留药方 12制药缓发
 *
 * 说明：使用 root 上下文仅用于绕过后台「谁能看哪张处方/订单」校验；不落管理员登录态。
 * 甘草未配置、药材无法匹配、规则拦截、缺药等会跳过并在末尾汇总。
 */
class TcmBackfillPrescriptionOrderInternalCost extends Command
{
    protected function configure(): void
    {
        $this->setName('tcm:backfill-internal-cost')
            ->setDescription('批量用甘草预报价回填处方业务订单 internal_cost')
            ->addOption('dry-run', null, Option::VALUE_NONE, '只演练不写库')
            ->addOption('limit', 'l', Option::VALUE_OPTIONAL, '最多处理条数', 100)
            ->addOption('order-id', null, Option::VALUE_OPTIONAL, '仅处理指定 prescription_order.id', null)
            ->addOption('force', 'f', Option::VALUE_NONE, '覆盖已有 internal_cost（默认只填 NULL）')
            ->addOption('null-or-zero', null, Option::VALUE_NONE, '与默认一致且同时处理 internal_cost=0 的行（仍可用 --force 覆盖任意值）')
            ->addOption('min-id', null, Option::VALUE_OPTIONAL, '仅 id>=该值', null)
            ->addOption('max-id', null, Option::VALUE_OPTIONAL, '仅 id<=该值', null)
            ->addOption(
                'fulfillment-status',
                null,
                Option::VALUE_OPTIONAL,
                '仅处理指定履约状态，逗号分隔数字，如 5,6,3=已发货/已签收/已完成；不传则不限',
                null
            )
            ->addOption('sleep-ms', null, Option::VALUE_OPTIONAL, '每条成功调用后休眠毫秒，减轻开放平台压力', 250)
            ->addOption('detail', 'd', Option::VALUE_NONE, '打印每条明细');
    }

    /**
     * @return array{admin_id:int, root:int, name:string, role_id:int[]}
     */
    private static function cliAdminInfo(): array
    {
        return [
            'admin_id' => 0,
            'root'     => 1,
            'name'     => 'CLI-internal-cost',
            'role_id'  => [],
        ];
    }

    /**
     * @param array<string, mixed> $fee
     */
    private static function totalFeeFromPreview(array $fee): float
    {
        $m = (float) ($fee['m_cost'] ?? 0);
        $p = (float) ($fee['proces_cost'] ?? 0);
        $l = (float) ($fee['lis_cost'] ?? 0);

        return round($m + $p + $l, 2);
    }

    /**
     * 解析 CLI 传入的履约状态列表（1–12，与 PrescriptionOrderLogic::fulfillmentStatusLabel 一致）
     *
     * @return int[] 去重后的状态码；$raw 非空但解析不到合法值时返回 null 表示调用方应报错
     */
    private static function parseFulfillmentStatusOption(?string $raw): ?array
    {
        if ($raw === null) {
            return [];
        }
        $raw = trim($raw);
        if ($raw === '') {
            return [];
        }
        $seen = [];
        foreach (explode(',', $raw) as $part) {
            $n = (int) trim($part);
            if ($n >= 1 && $n <= 12) {
                $seen[$n] = true;
            }
        }
        $ids = array_keys($seen);
        sort($ids);

        return $ids !== [] ? $ids : null;
    }

    protected function execute(Input $input, Output $output): int
    {
        $dryRun      = (bool) $input->getOption('dry-run');
        $verbose     = (bool) $input->getOption('detail');
        $force       = (bool) $input->getOption('force');
        $nullOrZero  = (bool) $input->getOption('null-or-zero');
        $limit       = max(1, (int) $input->getOption('limit'));
        $sleepMs     = max(0, (int) $input->getOption('sleep-ms'));
        $onlyOrderId = $input->getOption('order-id');
        $onlyOrderId = $onlyOrderId !== null && $onlyOrderId !== '' ? (int) $onlyOrderId : null;
        $minId       = $input->getOption('min-id');
        $minId       = $minId !== null && $minId !== '' ? (int) $minId : null;
        $maxId       = $input->getOption('max-id');
        $maxId       = $maxId !== null && $maxId !== '' ? (int) $maxId : null;
        $fsRaw       = $input->getOption('fulfillment-status');
        $fsRaw       = $fsRaw !== null ? (string) $fsRaw : null;
        $fulfillmentStatuses = self::parseFulfillmentStatusOption($fsRaw);
        if ($fulfillmentStatuses === null) {
            $output->error('--fulfillment-status 格式无效，请传入 1–12 的数字，英文逗号分隔，例如：5,6,3');

            return 1;
        }

        $adminInfo = self::cliAdminInfo();
        $adminId   = 0;

        $output->writeln('========================================');
        $output->writeln('批量回填 internal_cost（甘草 CTM_PREVIEW）');
        $output->writeln('========================================');

        if (!GancaoScmRecipelService::isConfigured()) {
            $output->error('甘草 SCM 未配置：' . GancaoScmRecipelService::whyNotConfigured());

            return 1;
        }

        $q = PrescriptionOrder::whereNull('delete_time')->where('prescription_id', '>', 0)->order('id', 'asc');

        if ($fulfillmentStatuses !== []) {
            $q->whereIn('fulfillment_status', $fulfillmentStatuses);
        }

        if ($onlyOrderId !== null && $onlyOrderId > 0) {
            $q->where('id', $onlyOrderId);
        } else {
            if (!$force) {
                if ($nullOrZero) {
                    $q->whereRaw('(internal_cost IS NULL OR internal_cost = 0)');
                } else {
                    $q->whereNull('internal_cost');
                }
            }
            if ($minId !== null && $minId > 0) {
                $q->where('id', '>=', $minId);
            }
            if ($maxId !== null && $maxId > 0) {
                $q->where('id', '<=', $maxId);
            }
            $q->limit($limit);
        }

        $rows = $q->field(['id', 'order_no', 'dose_count', 'medication_days', 'internal_cost', 'fulfillment_status'])->select()->toArray();
        if ($rows === []) {
            $output->warning('没有符合条件的订单。');

            return 0;
        }

        $fsLabel = '';
        if ($fulfillmentStatuses !== []) {
            $parts = [];
            foreach ($fulfillmentStatuses as $code) {
                $parts[] = (string) $code . '=' . PrescriptionOrderLogic::fulfillmentStatusLabel((int) $code);
            }
            $fsLabel = ' fulfillment-status=[' . implode(',', $parts) . ']';
        }

        $output->writeln(sprintf(
            '待处理 %d 条（dry-run=%s force=%s sleep-ms=%d%s）',
            count($rows),
            $dryRun ? 'yes' : 'no',
            $force ? 'yes' : 'no',
            $sleepMs,
            $fsLabel
        ));

        $ok = 0;
        $fail = 0;
        $skipped = 0;
        $reasons = [];

        foreach ($rows as $row) {
            $id = (int) ($row['id'] ?? 0);
            if ($id <= 0) {
                continue;
            }

            if (!$force && !$nullOrZero && $row['internal_cost'] !== null && $row['internal_cost'] !== '') {
                $skipped++;
                continue;
            }

            $params = [];
            $dc = (int) ($row['dose_count'] ?? 0);
            if ($dc > 0) {
                $params['dose_count'] = $dc;
            }
            $md = $row['medication_days'] ?? null;
            if ($md !== null && $md !== '' && (int) $md > 0) {
                $params['medication_days'] = (int) $md;
            }

            $ret = PrescriptionOrderLogic::previewGancaoRecipel($id, $adminId, $adminInfo, $params);
            if ($ret === false) {
                $fail++;
                $err = PrescriptionOrderLogic::getError();
                $reasons[$err] = ($reasons[$err] ?? 0) + 1;
                if ($verbose) {
                    $output->writeln("<error>#{$id} 失败：{$err}</error>");
                }

                continue;
            }

            $fee = is_array($ret['fee'] ?? null) ? $ret['fee'] : [];
            $total = self::totalFeeFromPreview($fee);

            if ($verbose) {
                $ono = (string) ($row['order_no'] ?? '');
                $fs = (int) ($row['fulfillment_status'] ?? 0);
                $fst = PrescriptionOrderLogic::fulfillmentStatusLabel($fs);
                $output->writeln(sprintf('#%d %s [%s] → internal_cost=%.2f', $id, $ono, $fst, $total));
            }

            if (!$dryRun) {
                PrescriptionOrder::where('id', $id)->whereNull('delete_time')->update([
                    'internal_cost' => $total,
                ]);

                $log       = new PrescriptionOrderLog();
                $log->prescription_order_id = $id;
                $log->admin_id              = 0;
                $log->admin_name            = 'CLI';
                $log->action                = 'cli_backfill_internal_cost';
                $log->summary               = mb_substr(sprintf('甘草预报价回填 internal_cost=%.2f', $total), 0, 500);
                $log->create_time           = time();
                try {
                    $log->save();
                } catch (\Throwable $e) {
                    // 忽略
                }
            }

            $ok++;
            if ($sleepMs > 0 && !$dryRun) {
                usleep($sleepMs * 1000);
            }
        }

        $output->writeln('');
        $output->writeln(sprintf('完成：成功 %d，失败 %d，跳过 %d', $ok, $fail, $skipped));
        if ($reasons !== []) {
            $output->writeln('失败原因统计：');
            foreach ($reasons as $msg => $cnt) {
                $output->writeln('  [' . $cnt . 'x] ' . $msg);
            }
        }

        return $fail > 0 ? 2 : 0;
    }
}