package com.zy.asrs.controller;

import com.baomidou.mybatisplus.plugins.Page;
import com.core.annotations.ManagerAuth;
import com.core.common.R;
import com.zy.asrs.entity.MonthlySettle;
import com.zy.asrs.entity.MonthlySettleDetail;
import com.zy.asrs.entity.param.DateRangeParam;
import com.zy.asrs.entity.param.MonthlySettleQueryParam;
import com.zy.asrs.entity.result.MonthlySettleStatisticsVO;
import com.zy.asrs.service.MonthlySettleService;
import com.zy.common.web.BaseController;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

@RestController
public class MonthlySettleController extends BaseController {

    @Autowired
    private MonthlySettleService monthlySettleService;

    /**
     * 获取月结信息
     */
    @RequestMapping(value = "/monthlySettle/{id}/auth")
    @ManagerAuth
    public R get(@PathVariable("id") Long id) {
        return R.ok(monthlySettleService.selectById(id));
    }

    /**
     * 分页查询月结列表
     */
    @RequestMapping(value = "/monthlySettle/list/auth")
    @ManagerAuth
    public R list(MonthlySettleQueryParam param) {
        Page<MonthlySettle> page = new Page<>(param.getCurr(), param.getLimit());
        java.util.Map<String, Object> condition = new java.util.HashMap<>();
        if (param.getSettleNo() != null && !param.getSettleNo().trim().isEmpty()) {
            condition.put("settleNo", param.getSettleNo());
        }
        if (param.getStatus() != null) {
            condition.put("status", param.getStatus());
        }
        if (param.getStartDate() != null && !param.getStartDate().trim().isEmpty() 
                && param.getEndDate() != null && !param.getEndDate().trim().isEmpty()) {
            condition.put("startDate", param.getStartDate());
            condition.put("endDate", param.getEndDate());
        }
        page.setCondition(condition);
        return R.ok(monthlySettleService.getPage(page));
    }

    /**
     * 获取最近的月结记录
     */
    @RequestMapping(value = "/monthlySettle/latest/auth")
    @ManagerAuth
    public R getLatest() {
        MonthlySettle latest = monthlySettleService.getLatestSettle();
        return R.ok(latest);
    }

    /**
     * 获取下一个月结的起始日期
     */
    @RequestMapping(value = "/monthlySettle/nextStartDate/auth")
    @ManagerAuth
    public R getNextStartDate() {
        Date nextStartDate = monthlySettleService.getNextStartDate();
        if (nextStartDate != null) {
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
            return R.ok(sdf.format(nextStartDate));
        }
        return R.ok(null);
    }

    /**
     * 获取最晚月结记录的结束日期
     */
    @RequestMapping(value = "/monthlySettle/latestEndDate/auth")
    @ManagerAuth
    public R getLatestEndDate() {
        Date latestEndDate = monthlySettleService.getLatestEndDate();
        if (latestEndDate != null) {
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
            return R.ok(sdf.format(latestEndDate));
        }
        return R.ok(null);
    }

    /**
     * 检查月结时间范围内是否有未完成的订单
     */
    @RequestMapping(value = "/monthlySettle/checkUnfinished/auth")
    @ManagerAuth
    public R checkUnfinished(DateRangeParam param) {
        boolean hasUnfinished = monthlySettleService.hasUnfinishedOrders(param.getStartDate(), param.getEndDate());
        if (hasUnfinished) {
            return R.error("月结时间范围内存在未完成的订单，无法进行月结");
        }
        return R.ok();
    }

    /**
     * 发起月结
     */
    @RequestMapping(value = "/monthlySettle/start/auth")
    @ManagerAuth
    public R startSettle(DateRangeParam param) {
        return R.ok(monthlySettleService.startSettle(param.getStartDate(), param.getEndDate(), getUserId()));
    }

    /**
     * 获取月结统计信息
     */
    @RequestMapping(value = "/monthlySettle/statistics/{id}/auth")
    @ManagerAuth
    public R getStatistics(@PathVariable("id") Long id) {
        return R.ok(monthlySettleService.getSettleStatistics(id));
    }

    /**
     * 删除月结记录
     */
    @RequestMapping(value = "/monthlySettle/{id}/auth", method = RequestMethod.DELETE)
    @ManagerAuth
    public R delete(@PathVariable("id") Long id) {
        monthlySettleService.deleteSettle(id);
        return R.ok("删除成功");
    }

    /**
     * 导出月结明细
     */
    @RequestMapping(value = "/monthlySettle/detail/export/{id}/auth")
    @ManagerAuth(memo = "导出月结明细")
    public R exportDetail(@PathVariable("id") Long id) {
        // 获取月结统计信息
        MonthlySettleStatisticsVO statistics = monthlySettleService.getSettleStatistics(id);
        if (statistics == null || statistics.getDetails() == null) {
            return R.error("月结明细不存在");
        }
        
        List<MonthlySettleDetail> details = statistics.getDetails();
        
        // 定义导出字段
        List<String> fields = new ArrayList<>();
        fields.add("matnr");
        fields.add("maktx");
        fields.add("batch");
        fields.add("brand");
        fields.add("beginningQty");
        fields.add("endingQty");
        fields.add("diffQty");
        fields.add("inQty");
        fields.add("outQty");
        
        return R.ok(exportSupport(details, fields));
    }

}