<?php
declare(strict_types=1);

namespace app\adminapi\logic\stats;

use think\facade\Db;

class AssistantPerformanceLogic
{
    /** 履约完成 */
    private const FULFILLMENT_COMPLETED = 3;

    public static function overview(array $params, int $adminId, array $adminInfo): array
    {
        // 时间范围解析
        $timeType = $params['time_type'] ?? 'month';
        $today = date('Y-m-d');

        switch ($timeType) {
            case 'today':
                $startDate = $today;
                $endDate = $today;
                break;
            case 'yesterday':
                $startDate = date('Y-m-d', strtotime('-1 day'));
                $endDate = $startDate;
                break;
            case 'week':
                $startDate = date('Y-m-d', strtotime('-6 days'));
                $endDate = $today;
                break;
            case 'month':
                $startDate = date('Y-m-d', strtotime('-29 days'));
                $endDate = $today;
                break;
            case 'custom':
                $startDate = $params['start_date'] ?? $today;
                $endDate = $params['end_date'] ?? $today;
                break;
            default:
                $startDate = date('Y-m-d', strtotime('-29 days'));
                $endDate = $today;
        }

        $startTs = strtotime($startDate . ' 00:00:00');
        $endTs = strtotime($endDate . ' 23:59:59');

        // 查询当前医助创建的、履约已完成的处方业务订单
        $baseQuery = Db::name('tcm_prescription_order')
            ->where('delete_time IS NULL')
            ->where('diagnosis_id', '>', 0)
            ->where('creator_id', $adminId)
            ->where('fulfillment_status', self::FULFILLMENT_COMPLETED)
            ->where('create_time', '>=', $startTs)
            ->where('create_time', '<=', $endTs);

        // 业绩总额
        $totalAmount = (clone $baseQuery)->sum('amount');

        // 有效订单数
        $totalCount = (clone $baseQuery)->count();

        // 按日期分组的折线图数据
        $dailyData = (clone $baseQuery)
            ->field("FROM_UNIXTIME(create_time, '%Y-%m-%d') as date_label, SUM(amount) as daily_amount, COUNT(*) as daily_count")
            ->group('date_label')
            ->order('date_label', 'asc')
            ->select()
            ->toArray();

        // 补全日期范围内的空日期
        $dateMap = [];
        foreach ($dailyData as $row) {
            $dateMap[$row['date_label']] = [
                'amount' => round((float)$row['daily_amount'], 2),
                'count' => (int)$row['daily_count'],
            ];
        }

        $dates = [];
        $amounts = [];
        $counts = [];
        $cursor = strtotime($startDate);
        $endCursor = strtotime($endDate);
        while ($cursor <= $endCursor) {
            $d = date('Y-m-d', $cursor);
            $dates[] = substr($d, 5); // MM-DD
            $amounts[] = $dateMap[$d]['amount'] ?? 0;
            $counts[] = $dateMap[$d]['count'] ?? 0;
            $cursor = strtotime('+1 day', $cursor);
        }

        return [
            'date_range' => [$startDate, $endDate],
            'summary' => [
                'total_amount' => round((float)$totalAmount, 2),
                'total_count' => (int)$totalCount,
            ],
            'chart' => [
                'dates' => $dates,
                'amounts' => $amounts,
                'counts' => $counts,
            ],
        ];
    }
}