const workReportModel = require('../models/workReportModel');
const checkinModel = require('../models/checkinModel');

// 작업보고 목록
async function list(req, res) {
  try {
    const { company_id, date_from, date_to, schedule_id, confirmed, page, limit } = req.query;
    const rows = await workReportModel.findAll({
      company_id: company_id ? parseInt(company_id) : undefined,
      date_from,
      date_to,
      schedule_id: schedule_id ? parseInt(schedule_id) : undefined,
      confirmed,
      page: page ? parseInt(page) : 1,
      limit: limit ? parseInt(limit) : 50
    });
    res.json({ success: true, data: rows });
  } catch (err) {
    console.error('WorkReport list error:', err);
    res.status(500).json({ success: false, error: err.message });
  }
}

// 작업보고 상세
async function getById(req, res) {
  try {
    const row = await workReportModel.findById(req.params.id);
    if (!row) return res.status(404).json({ success: false, error: '작업보고를 찾을 수 없습니다' });
    res.json({ success: true, data: row });
  } catch (err) {
    console.error('WorkReport get error:', err);
    res.status(500).json({ success: false, error: err.message });
  }
}

// 내 작업보고 (협력업체 포탈)
async function myReports(req, res) {
  try {
    const companyId = req.user.partner_company_id;
    if (!companyId) {
      return res.status(403).json({ success: false, error: '협력업체 계정이 아닙니다' });
    }
    const { date_from, date_to, page, limit } = req.query;
    const rows = await workReportModel.findAll({
      company_id: companyId,
      date_from,
      date_to,
      page: page ? parseInt(page) : 1,
      limit: limit ? parseInt(limit) : 50
    });
    res.json({ success: true, data: rows });
  } catch (err) {
    console.error('WorkReport myReports error:', err);
    res.status(500).json({ success: false, error: err.message });
  }
}

// 작업보고 등록
async function create(req, res) {
  try {
    const { checkin_id, schedule_id, company_id, report_date } = req.body;

    if (!report_date) {
      return res.status(400).json({ success: false, error: '보고일은 필수입니다' });
    }

    if (!checkin_id) {
      return res.status(400).json({ success: false, error: '체크인 ID는 필수입니다' });
    }

    const checkin = await checkinModel.findById(checkin_id);
    if (!checkin) {
      return res.status(400).json({ success: false, error: '유효하지 않은 체크인 ID입니다' });
    }

    if (schedule_id && checkin.schedule_id !== schedule_id) {
      return res.status(400).json({ success: false, error: '체크인의 일정 정보가 일치하지 않습니다' });
    }

    const resolvedCompanyId = company_id || req.user.partner_company_id;
    if (!resolvedCompanyId) {
      return res.status(400).json({ success: false, error: '업체 정보가 필요합니다' });
    }

    const data = {
      ...req.body,
      company_id: resolvedCompanyId,
      reporter_id: req.user.user_id || req.user.id
    };
    const row = await workReportModel.create(data);
    res.status(201).json({ success: true, data: row });
  } catch (err) {
    console.error('WorkReport create error:', err);
    res.status(500).json({ success: false, error: err.message });
  }
}

// 작업보고 수정
async function update(req, res) {
  try {
    const row = await workReportModel.update(req.params.id, req.body);
    if (!row) return res.status(404).json({ success: false, error: '작업보고를 찾을 수 없습니다' });
    res.json({ success: true, data: row });
  } catch (err) {
    console.error('WorkReport update error:', err);
    res.status(500).json({ success: false, error: err.message });
  }
}

// 작업보고 확인
async function confirm(req, res) {
  try {
    const confirmedBy = req.user.user_id || req.user.id;
    const row = await workReportModel.confirm(req.params.id, confirmedBy);
    if (!row) return res.status(404).json({ success: false, error: '작업보고를 찾을 수 없습니다' });
    res.json({ success: true, data: row });
  } catch (err) {
    console.error('WorkReport confirm error:', err);
    res.status(500).json({ success: false, error: err.message });
  }
}

module.exports = { list, getById, myReports, create, update, confirm };