<?php

namespace app\adminapi\logic\tcm;

use app\common\logic\BaseLogic;
use app\common\model\tcm\TrackingNote;

/**
 * 诊单跟踪备注 Logic
 *
 * - 按 diagnosis_id + 当天 find-or-create
 * - 多次追加 content（换行分隔，带 [HH:MM] 前缀）
 * - 不涉及附件（与医生备注 DoctorNoteLogic 不同）
 */
class TrackingNoteLogic extends BaseLogic
{
    /**
     * 追加跟踪备注（按天合并）
     *
     * @param array $params  diagnosis_id (int)、admin_id (int)、content (string)
     * @return bool
     */
    public static function addOrAppend(array $params): bool
    {
        try {
            $diagnosisId = (int) ($params['diagnosis_id'] ?? 0);
            $adminId     = (int) ($params['admin_id'] ?? 0);
            $newContent  = trim((string) ($params['content'] ?? ''));

            if ($diagnosisId <= 0) {
                self::setError('诊单ID缺失');
                return false;
            }
            if ($newContent === '') {
                self::setError('备注内容不能为空');
                return false;
            }

            $today = date('Y-m-d');
            $time  = date('H:i');
            $line  = "[{$time}] {$newContent}";

            $existing = TrackingNote::where('diagnosis_id', $diagnosisId)
                ->where('note_date', $today)
                ->whereNull('delete_time')
                ->find();

            if ($existing) {
                $prev = trim((string) ($existing->content ?? ''));
                $existing->content = $prev !== '' ? ($prev . "\n" . $line) : $line;
                $existing->save();
            } else {
                TrackingNote::create([
                    'diagnosis_id' => $diagnosisId,
                    'admin_id'     => $adminId,
                    'note_date'    => $today,
                    'content'      => $line,
                ]);
            }

            return true;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return false;
        }
    }

    /**
     * 按 diagnosis_id 获取跟踪备注列表（note_date DESC）
     *
     * @param int $diagnosisId
     * @param int $limit  最近 N 天
     * @return array
     */
    public static function getByDiagnosis(int $diagnosisId, int $limit = 60): array
    {
        try {
            if ($diagnosisId <= 0) {
                return [];
            }

            $records = TrackingNote::where('diagnosis_id', $diagnosisId)
                ->whereNull('delete_time')
                ->order('note_date', 'desc')
                ->limit($limit)
                ->select()
                ->toArray();

            return $records;
        } catch (\Exception $e) {
            self::setError($e->getMessage());
            return [];
        }
    }
}