<?php

declare(strict_types=1);

namespace app\common\service;

use app\admin\model\split\Number;
use app\admin\model\split\Ticket;

/**
 * 工单与号码业务规则（单号上限、下号比率、时间窗口、完成量自动开关）
 */
class SplitTicketRuleService
{
    /**
     * 同步后应用全部规则并写回工单/号码
     */
    public function applyAfterSync(Ticket $ticket, int $completeCount): void
    {
        $this->applyNumberRules($ticket);
        $this->applyTicketStatusRules($ticket, $completeCount);
        $this->cascadeTicketClosedToNumbers($ticket);
    }

    /**
     * 同步流程：工单因时间/完成量等原因关闭时，联动关闭非手动号码
     */
    public function cascadeTicketClosedToNumbers(Ticket $ticket): void
    {
        if ((string) ($ticket['status'] ?? 'hidden') !== 'hidden') {
            return;
        }
        Number::where('admin_id', (int) $ticket['admin_id'])
            ->where('split_link_id', (int) $ticket['split_link_id'])
            ->where('ticket_name', (string) $ticket['ticket_name'])
            ->where('manual_manage', 0)
            ->update([
                'status'     => 'hidden',
                'updatetime' => time(),
            ]);
    }

    /**
     * 手动切换工单状态时，联动非手动管理的号码（开→全开，关→全关）
     */
    public function syncNumbersWithTicketStatus(Ticket $ticket): void
    {
        $ticketStatus = (string) ($ticket['status'] ?? 'hidden');
        Number::where('admin_id', (int) $ticket['admin_id'])
            ->where('split_link_id', (int) $ticket['split_link_id'])
            ->where('ticket_name', (string) $ticket['ticket_name'])
            ->where('manual_manage', 0)
            ->update([
                'status'     => $ticketStatus,
                'updatetime' => time(),
            ]);
    }

    /**
     * 单号上限、下号比率
     */
    public function applyNumberRules(Ticket $ticket): void
    {
        $orderLimit = (int) ($ticket['order_limit'] ?? 0);
        $assignRatio = (int) ($ticket['assign_ratio'] ?? 0);

        $numbers = Number::where('admin_id', (int) $ticket['admin_id'])
            ->where('split_link_id', (int) $ticket['split_link_id'])
            ->where('ticket_name', (string) $ticket['ticket_name'])
            ->where('manual_manage', 0)
            ->select();

        foreach ($numbers as $number) {
            $visitCount = (int) $number['visit_count'];
            $inboundCount = (int) $number['inbound_count'];
            $lastVisit = (int) ($number['last_sync_visit_count'] ?? 0);
            $lastInbound = (int) ($number['last_sync_inbound_count'] ?? 0);
            $streak = (int) ($number['no_inbound_click_streak'] ?? 0);

            if ($visitCount > $lastVisit && $inboundCount <= $lastInbound) {
                $streak += ($visitCount - $lastVisit);
            } elseif ($inboundCount > $lastInbound) {
                $streak = 0;
            }

            $status = (string) $number['status'];
            if ($orderLimit > 0 && $inboundCount > $orderLimit) {
                $status = 'hidden';
            }
            if ($assignRatio > 0 && $streak >= $assignRatio) {
                $status = 'hidden';
            }

            Number::where('id', (int) $number['id'])->update([
                'no_inbound_click_streak'   => $streak,
                'last_sync_visit_count'     => $visitCount,
                'last_sync_inbound_count'   => $inboundCount,
                'status'                    => $status,
                'updatetime'                => time(),
            ]);
        }
    }

    /**
     * 完成量、时间窗口决定工单开关
     */
    public function applyTicketStatusRules(Ticket $ticket, int $completeCount): void
    {
        $status = $this->resolveTicketStatus($ticket, $completeCount);
        if ($status !== (string) $ticket['status']) {
            Ticket::where('id', (int) $ticket['id'])->update([
                'status'     => $status,
                'updatetime' => time(),
            ]);
            $ticket['status'] = $status;
        }
    }

    /**
     * 是否处于允许同步/开启的时间窗口
     */
    public function isWithinTimeWindow(Ticket $ticket, ?int $now = null): bool
    {
        $now = $now ?? time();
        $start = $ticket['start_time'] ?? null;
        $end = $ticket['end_time'] ?? null;
        if ($start !== null && $start !== '' && (int) $start > 0 && $now < (int) $start) {
            return false;
        }
        if ($end !== null && $end !== '' && (int) $end > 0 && $now > (int) $end) {
            return false;
        }
        return true;
    }

    private function resolveTicketStatus(Ticket $ticket, int $completeCount): string
    {
        if (!$this->isWithinTimeWindow($ticket)) {
            return 'hidden';
        }

        $ticketTotal = (int) ($ticket['ticket_total'] ?? 0);
        if ($ticketTotal > 0) {
            return $completeCount >= $ticketTotal ? 'hidden' : 'normal';
        }

        return 'normal';
    }
}