package com.emergencyrepair.business.service;

import com.emergencyrepair.business.dto.report.ReportContractorDto;
import com.emergencyrepair.business.dto.report.ReportMetricDto;
import com.emergencyrepair.business.dto.report.ReportOverviewDto;
import com.emergencyrepair.business.dto.report.ReportTeamDto;
import com.emergencyrepair.business.dto.report.ReportTrendDto;
import com.emergencyrepair.business.mapper.ReportMapper;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Arrays;
import java.util.List;

@Service
@RequiredArgsConstructor
@Transactional(readOnly = true)
public class ReportService {
    private final ReportMapper reportMapper;

    public ReportOverviewDto overview() {
        ReportOverviewDto report = reportMapper.selectOverview();
        report.setChart(Arrays.asList(
                metric("工程总数", report.getEngineeringTotal()),
                metric("重大故障", report.getMajorFault()),
                metric("涉H统计", report.getHRelated()),
                metric("监测项目", report.getMonitorItem()),
                metric("未完工", report.getUnfinished()),
                metric("已完工", report.getCompleted()),
                metric("完工待试验", report.getWaitTest()),
                metric("销项工程", report.getCancelled())
        ));
        return report;
    }

    public List<ReportMetricDto> topEquipment() {
        return reportMapper.selectTopEquipment();
    }

    public List<ReportTeamDto> byTeam() {
        return reportMapper.selectByTeam();
    }

    public List<ReportContractorDto> contractors() {
        return reportMapper.selectContractors();
    }

    public List<ReportTrendDto> yearlyTrend() {
        return reportMapper.selectYearlyTrend();
    }

    private ReportMetricDto metric(String name, Long value) {
        return new ReportMetricDto(name, value == null ? 0L : value);
    }
}