package com.battery.business.service.impl;

import java.time.Instant;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.springframework.stereotype.Service;
import com.battery.business.mapper.TTestMapper;
import com.battery.business.service.ITTestService;
import com.battery.business.service.ITestDataQueryService;

/** 三类数据直接读取尚存的持久化记录；修订在同一事实表内生效。 */
@Service
public class TestDataQueryServiceImpl implements ITestDataQueryService
{
    private final TTestMapper mapper;
    private final ITTestService tests;

    public TestDataQueryServiceImpl(TTestMapper mapper, ITTestService tests)
    { this.mapper = mapper; this.tests = tests; }

    /** 查询实时槽位，保留检测柜和采集器各自的设备时间。 */
    @Override public List<Map<String, Object>> records(Long testId)
    {
        tests.selectTestById(testId);
        return normalizeApiTimes(mapper.selectPersistedFinalRealtimeRecords(testId));
    }

    /** 查询设备实际提供且尚存的工步记录。 */
    @Override public List<Map<String, Object>> steps(Long testId)
    {
        tests.selectTestById(testId);
        List<Map<String, Object>> rows = normalizeApiTimes(mapper.selectPersistedFinalStepRecords(testId));
        for (Map<String, Object> row : rows)
        {
            Object extension = row.get("extensionMeasurementsJson");
            if (extension == null) continue;
            Map<String, Object> values = com.alibaba.fastjson2.JSON.parseObject(extension.toString());
            for (String field : List.of("stepDuration", "startVoltage", "chargePeakVoltage", "dischargeValleyVoltage"))
                if (values.containsKey(field)) row.put(field, values.get(field));
        }
        return rows;
    }

    /** 查询设备实际提供且尚存的循环记录。 */
    @Override public List<Map<String, Object>> cycles(Long testId)
    {
        tests.selectTestById(testId);
        return normalizeApiTimes(mapper.selectPersistedFinalCycleRecords(testId));
    }

    private List<Map<String, Object>> normalizeApiTimes(List<Map<String, Object>> rows)
    {
        if (rows == null) return List.of();
        for (Map<String, Object> row : rows)
            row.replaceAll((key, value) -> value instanceof Date date ? date.getTime()
                    : value instanceof Instant instant ? instant.toEpochMilli() : value);
        return rows;
    }
}