<?php

namespace app\admin\controller;

use app\admin\model\Appeal;
use app\admin\model\Master;
use app\admin\model\Merchant;
use app\admin\model\Order;
use app\admin\model\Service;
use app\admin\model\User;
use app\admin\model\Withdraw;
use app\common\controller\Backend;
use think\Db;

/**
 * 优匠优服数字化运营指挥中心（数据大盘首页）
 *
 * @icon   fa fa-tachometer
 * @remark 平台核心业务数据大屏，实时监控订单履约、资金流水、运力健康度与待办预警
 */
class Home extends Backend
{

    public function index()
    {
        try {
            Db::execute("SET @@sql_mode='';");
        } catch (\Exception $e) {

        }

        // 1. 时间范围定义
        $todayStart = strtotime(date('Y-m-d 00:00:00'));
        $todayEnd = strtotime(date('Y-m-d 23:59:59'));
        $monthStart = strtotime(date('Y-m-01 00:00:00'));

        // 2. 核心经营 KPI (真实数据聚合)
        $totalOrder = Order::count();
        $totalGmv = (float)(Order::sum('pay_amount') ?: 0);
        $avgTicket = $totalOrder > 0 ? round($totalGmv / $totalOrder, 2) : 0;

        $todayOrderCount = Order::whereBetween('createtime', [$todayStart, $todayEnd])->count();
        $todayGmv = (float)(Order::whereBetween('pay_time', [$todayStart, $todayEnd])->sum('pay_amount') ?: 0);
        $monthGmv = (float)(Order::whereBetween('pay_time', [$monthStart, $todayEnd])->sum('pay_amount') ?: 0);

        // 运力与商户统计
        $totalMaster = Master::where('verify_status', 'pass')->count();
        $onlineMaster = Master::where('work_status', 'on')->count();
        $totalMerchant = Merchant::where('verify_status', 'pass')->count();
        $totalUser = User::count();

        // 3. 订单状态分布与履约漏斗
        $statusCounts = Order::field('status, count(*) as cnt')
            ->group('status')
            ->select();
        $statusCountMap = [];
        foreach ($statusCounts as $s) {
            $statusCountMap[$s['status']] = (int)$s['cnt'];
        }

        $unpaidCount = $statusCountMap[0] ?? 0;
        $waitDispatchCount = $statusCountMap[1] ?? 0;
        $inServiceCount = ($statusCountMap[3] ?? 0) + ($statusCountMap[6] ?? 0);
        $doneCount = $statusCountMap[8] ?? 0;
        $afterSaleCount = $statusCountMap[10] ?? 0;

        // 4. 实时待办预警与风控中心
        $pendingMaster = Master::where('verify_status', 'pending')->count();
        $waitingAppeal = Appeal::where('status', 'wait')->count();
        $waitingWithdraw = Withdraw::where('status', 'wait')->count();
        $pendingDispatch = $waitDispatchCount;

        // 5. 近 7 天订单趋势与 GMV 流水 (双轴图表数据)
        $dateColumns = [];
        $orderCounts = [];
        $orderAmounts = [];
        for ($i = 6; $i >= 0; $i--) {
            $date = date('Y-m-d', strtotime("-$i days"));
            $dateColumns[] = date('m-d', strtotime("-$i days"));
            $dayStart = strtotime($date . ' 00:00:00');
            $dayEnd = strtotime($date . ' 23:59:59');

            $cnt = Order::whereBetween('createtime', [$dayStart, $dayEnd])->count();
            $amt = Order::whereBetween('createtime', [$dayStart, $dayEnd])->sum('pay_amount') ?: 0;

            $orderCounts[] = (int)$cnt;
            $orderAmounts[] = round((float)$amt, 2);
        }

        // 6. 服务品类与运力健康指标
        $masterAvg = Db::name('master')
            ->where('verify_status', 'pass')
            ->field('ROUND(AVG(score), 1) as avg_score, ROUND(AVG(accept_rate), 1) as avg_accept, ROUND(AVG(ontime_rate), 1) as avg_ontime')
            ->find();

        $totalService = Service::count();
        $totalCategory = Db::name('service_cat')->count();

        // 7. 环形状态分布数据
        $statusDisplayNames = [
            0  => '待支付',
            1  => '待接单',
            2  => '报价中',
            3  => '已接单',
            4  => '待上门',
            5  => '已到达',
            6  => '服务中',
            7  => '待验收',
            8  => '已完成',
            9  => '已取消',
            10 => '售后中',
        ];
        $statusChartData = [];
        foreach ($statusCountMap as $stKey => $val) {
            $statusChartData[] = [
                'name'  => $statusDisplayNames[$stKey] ?? ('状态' . $stKey),
                'value' => $val,
            ];
        }

        // 8. 最新动态订单
        $recentOrders = Db::name('order')
            ->alias('o')
            ->join('user u', 'o.user_id = u.id', 'LEFT')
            ->field('o.id, o.order_no, o.service_name, o.pay_amount, o.status, o.createtime, u.nickname as user_name')
            ->order('o.id', 'desc')
            ->limit(6)
            ->select();

        $this->view->assign([
            'totalOrder'        => $totalOrder,
            'totalGmv'          => number_format($totalGmv, 2, '.', ','),
            'avgTicket'         => number_format($avgTicket, 2, '.', ''),
            'todayOrderCount'   => $todayOrderCount,
            'todayGmv'          => number_format($todayGmv, 2, '.', ','),
            'monthGmv'          => number_format($monthGmv, 2, '.', ','),

            'totalMaster'       => $totalMaster,
            'onlineMaster'      => $onlineMaster,
            'totalMerchant'     => $totalMerchant,
            'totalUser'         => $totalUser,

            'unpaidCount'       => $unpaidCount,
            'waitDispatchCount' => $waitDispatchCount,
            'inServiceCount'    => $inServiceCount,
            'doneCount'         => $doneCount,
            'afterSaleCount'    => $afterSaleCount,

            'pendingMaster'     => $pendingMaster,
            'waitingAppeal'     => $waitingAppeal,
            'waitingWithdraw'   => $waitingWithdraw,
            'pendingDispatch'   => $pendingDispatch,

            'masterAvgScore'    => $masterAvg['avg_score'] ?: '5.0',
            'masterAvgAccept'   => $masterAvg['avg_accept'] ?: '100',
            'masterAvgOntime'   => $masterAvg['avg_ontime'] ?: '100',

            'totalService'      => $totalService,
            'totalCategory'     => $totalCategory,
            'recentOrders'      => $recentOrders,
            'systemClock'       => date('Y-m-d H:i:s'),
        ]);

        // ECharts 配置注入
        $this->assignconfig('dateColumns', $dateColumns);
        $this->assignconfig('orderCounts', $orderCounts);
        $this->assignconfig('orderAmounts', $orderAmounts);
        $this->assignconfig('statusChartData', $statusChartData);
        $this->assignconfig('totalOrder', $totalOrder);

        return $this->view->fetch();
    }
}