package com.ruoyi.system.service.impl;

import java.math.BigDecimal;
import java.util.Date;
import com.alibaba.fastjson2.JSON;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.ruoyi.system.domain.TTest;
import com.ruoyi.system.domain.TTestWarningException;
import com.ruoyi.system.domain.TTestWarningThreshold;
import com.ruoyi.system.mapper.TTestMapper;

/** 对成功接收的测量值执行测试阈值判断；设备状态和缺失数据不经过此服务。 */
@Service
public class TestWarningExceptionService {
    private final TTestMapper mapper;
    public TestWarningExceptionService(TTestMapper mapper) { this.mapper = mapper; }
    /** 仅对成功接收的非空测量值判定阈值，并聚合更新开放异常及规则快照。 */
    public void evaluate(TTest test, String sourceType, String sourceIdentity, String metricCode, BigDecimal value, String unit, Date occurredAt) {
        if (value == null || test == null || test.getThresholds() == null) return;
        for (TTestWarningThreshold rule : test.getThresholds()) {
            if (rule == null || rule.getMetricCode() == null || !matches(rule.getMetricCode(), metricCode)
                    || !outside(value, rule.getMinValue(), rule.getMaxValue())) continue;
            mapper.upsertWarningException(test.getTestId(), rule.getThresholdId(), sourceType, sourceIdentity, metricCode, value, unit,
                    JSON.toJSONString(rule), rule.getSeverity(), occurredAt == null ? new Date() : occurredAt);
        }
    }

    /** 由测试负责人关闭开放异常，并在同一事务追加不可变的测试审计事实。 */
    @Transactional(rollbackFor = Exception.class)
    public int close(Long exceptionId, Long actorId, String actorName, String handlingNote) {
        TTestWarningException exception = mapper.selectWarningExceptionById(exceptionId);
        if (exception == null) return 0;
        int rows = mapper.closeWarningException(exceptionId, actorId, actorName, new Date(), handlingNote);
        if (rows == 1) {
            mapper.insertTestAudit(exception.getTestId(), "WARNING_EXCEPTION_CLOSED", actorId, actorName, null,
                    JSON.toJSONString(java.util.Map.of("exceptionId", exceptionId, "handlingNote", handlingNote)));
        }
        return rows;
    }
    private boolean outside(BigDecimal value, BigDecimal min, BigDecimal max) { return (min != null && value.compareTo(min) < 0) || (max != null && value.compareTo(max) > 0); }
    private boolean matches(String configured, String actual) {
        if (actual == null) return false;
        if (configured.equalsIgnoreCase(actual)) return true;
        String c = configured.toUpperCase(), a = actual.toUpperCase();
        return (c.contains("VOLTAGE") && a.contains("VOLTAGE")) || (c.contains("CURRENT") && a.contains("CURRENT"))
                || (c.contains("CAPACITY") && a.contains("CAPACITY")) || (c.contains("ENERGY") && a.contains("ENERGY"))
                || (c.contains("TEMPERATURE") && a.contains("TEMPERATURE")) || (c.contains("POSITIVE_POTENTIAL") && a.contains("POSITIVE_POTENTIAL"))
                || (c.contains("NEGATIVE_POTENTIAL") && a.contains("NEGATIVE_POTENTIAL"));
    }
}