package com.zy.crm.manager.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.baomidou.mybatisplus.plugins.Page;
import com.core.annotations.ManagerAuth;
import com.core.common.BaseRes;
import com.core.common.Cools;
import com.core.common.R;
import com.core.domain.KeyValueVo;
import com.core.exception.CoolException;
import com.zy.crm.common.model.SettleDto;
import com.zy.crm.common.web.BaseController;
import com.zy.crm.manager.controller.result.FollowerTableVo;
import com.zy.crm.manager.entity.Plan;
import com.zy.crm.manager.entity.PlanFoll;
import com.zy.crm.manager.entity.PlanType;
import com.zy.crm.manager.service.PlanFollService;
import com.zy.crm.manager.service.PlanService;
import com.zy.crm.manager.service.PlanTypeService;
import com.zy.crm.system.entity.User;
import com.zy.crm.system.service.DeptService;
import com.zy.crm.system.service.UserService;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.DataFormatter;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;

@RestController
public class PlanController extends BaseController {

    @Autowired
    private PlanService planService;
    @Autowired
    private PlanTypeService planTypeService;
    @Autowired
    private DeptService deptService;

    @GetMapping(value = "/plan/{id}/auth")
    @ManagerAuth
    public R get(@PathVariable("id") String id) {
        Plan plan = planService.selectById(String.valueOf(id));
        assert plan != null;
        JSONObject resultObj = JSON.parseObject(JSON.toJSONString(plan));
        if (!Cools.isEmpty(plan.getForm())) {
            JSONObject formObj = JSON.parseObject(plan.getForm());
            formObj.forEach(resultObj::putIfAbsent);
        }
        PlanType planType = planTypeService.selectById(plan.getPlanType());
        if (planType == null) {
            return R.error("当前规划单类型已被禁用");
        }
        resultObj.put("formHtml", planType.getHtml());
        // 步骤条相关
        resultObj.put("step", plan.getSettle() == 5 ? 0 : plan.getSettle() + 1);

        return R.ok().add(resultObj);
    }

    @RequestMapping(value = "/plan/page/auth")
    @ManagerAuth
    public R page(@RequestParam(defaultValue = "1") Integer curr,
                  @RequestParam(defaultValue = "10") Integer limit,
                  @RequestParam(required = false) String condition,
                  @RequestParam(required = false, value = "dept_id") Long deptId,
                  @RequestParam(required = false, value = "user_id") Long userId) {
        return R.ok(planService.getPage(new Page<>(curr, limit)
                , getHostId()
                , deptId == null ? null : String.valueOf(deptId)
                , userId == null ? getUserId() : userId
                , condition)
        );
    }

    private final List<String> fields = new ArrayList<>();

    {
        Arrays.asList(Cools.getAllFields(Plan.class)).forEach(item -> {
            fields.add(item.getName());
        });
    }

    @RequestMapping(value = "/plan/add/auth")
    @ManagerAuth
    @Transactional
    public R add(@RequestParam Map<String, Object> param) {
        // pre
        Plan plan = JSON.parseObject(JSON.toJSONString(param), Plan.class);
        Iterator<Map.Entry<String, Object>> iterator = param.entrySet().iterator();
        while (iterator.hasNext()) {
            Map.Entry<String, Object> next = iterator.next();
            if (this.fields.contains(next.getKey())) {
                iterator.remove();
            }
        }
        // begin
        Long hostId = getHostId();
        if (planService.selectByUuid(hostId, plan.getUuid()) != null) {
            throw new CoolException("规划单已存在");
        }
        plan.setHostId(hostId);
        plan.setUuid(planService.getUuid(hostId));  // 规划单代号
        plan.setDeptId(getDeptId());               // 所属部门
        plan.setUserId(getUserId());               // 所属人员

        plan.setCreateBy(getUserId());
        plan.setCreateTime(new Date());
        plan.setUpdateBy(getUserId());
        plan.setUpdateTime(new Date());
        plan.setStatus(1);

        plan.setForm(JSON.toJSONString(param));     // 自定义表单内容
        plan.setSettle(1);  // 1.开始
        User manager = userService.getDeptManager(hostId, getUser().getDeptId());        // 获取部门领导
        plan.setSettleMsg(JSON.toJSONString(SettleDto.init(plan, manager)));

        if (!planService.insert(plan)) {
            throw new CoolException("保持失败，请重试");
        }

        // 自动添加跟进人
        PlanFoll planFoll = new PlanFoll();
        planFoll.setPlanId(plan.getId());
        planFoll.setUserId(manager.getId());
        if (!planFollService.insert(planFoll)) {
            throw new CoolException("保持失败，请重试");
        }

        return R.ok();
    }

	@RequestMapping(value = "/plan/update/auth")
	@ManagerAuth
    public R update(@RequestParam Map<String, Object> param){
        if (Cools.isEmpty(param) || Cools.isEmpty(param.get("id"))){
            return R.error();
        }
        // pre
        Plan plan = JSON.parseObject(JSON.toJSONString(param), Plan.class);
        param.entrySet().removeIf(next -> this.fields.contains(next.getKey()));
        plan.setUpdateBy(getUserId());
        plan.setUpdateTime(new Date());

        plan.setForm(JSON.toJSONString(param));     // 自定义表单内容

        if (!planService.updateById(plan)) {
            throw new CoolException("保持失败，请重试");
        }
        return R.ok();
    }

    @RequestMapping(value = "/plan/delete/auth")
    @ManagerAuth
    public R delete(@RequestParam(value="ids[]") Long[] ids){
         for (Long id : ids){
            planService.deleteById(id);
        }
        return R.ok();
    }

    @PostMapping(value = "/plan/approval/auth")
    @ManagerAuth
    public R approval(@RequestParam Long planId){
        Plan plan = planService.selectById(planId);
        assert plan != null;

        switch (plan.getSettle()) {
            case 1:
                // 本组组长审核
                User user = userService.selectById(plan.getUserId());
                User manager = userService.getDeptManager(getHostId(), user.getDeptId());
                if (manager.getId().equals(getUserId())) {

                    // 查找规划组长
                    plan.setSettleMsg(JSON.toJSONString(SettleDto.init(plan, manager)));
                    // 修改 settle 步骤数据

                    // 修改规划单状态
                    plan.setSettle(2);  // 规划组长待审
                    plan.setUpdateBy(getUserId());
                    plan.setUpdateTime(new Date());

                    if (!planService.updateById(plan)) {
                        throw new CoolException("审核失败，请联系管理员");
                    }

                    // 添加规划组长跟进人

                } else {
                    return R.error("抱歉，您没有审核的权限");
                }
                break;
            case 2:
                break;
            case 3:
                break;
            case 4:
                break;
            default:
                return R.error();
        }


        return R.ok();
    }

    @RequestMapping(value = "/planQuery/auth")
    @ManagerAuth
    public R query(String condition) {
        EntityWrapper<Plan> wrapper = new EntityWrapper<>();
        wrapper.like("name", condition);
        Page<Plan> page = planService.selectPage(new Page<>(0, 10), wrapper);
        List<Map<String, Object>> result = new ArrayList<>();
        for (Plan plan : page.getRecords()){
            Map<String, Object> map = new HashMap<>();
            map.put("id", plan.getId());
            map.put("value", plan.getName());
            result.add(map);
        }
        return R.ok(result);
    }

    @RequestMapping(value = "/plan/check/column/auth")
    @ManagerAuth
    public R query(@RequestBody JSONObject param) {
        Wrapper<Plan> wrapper = new EntityWrapper<Plan>().eq(humpToLine(String.valueOf(param.get("key"))), param.get("val"));
        if (null != planService.selectOne(wrapper)){
            return R.parse(BaseRes.REPEAT).add(getComment(Plan.class, String.valueOf(param.get("key"))));
        }
        return R.ok();
    }

    @RequestMapping("/plan/all/get/kv")
    @ManagerAuth
    public R getDataKV(@RequestParam(required = false) String condition) {
        List<KeyValueVo> vos = new ArrayList<>();
        Wrapper<Plan> wrapper = new EntityWrapper<Plan>().andNew().like("name", condition).orderBy("create_time", false);
        planService.selectPage(new Page<>(1, 30), wrapper).getRecords().forEach(item -> vos.add(new KeyValueVo(String.valueOf(item.getName()), item.getId())));
        return R.ok().add(vos);
    }

    /*************************************** 数据相关 ***********************************************/

    /**
     * excel导入
     */
    @PostMapping(value = "/plan/excel/import/auth")
    @ManagerAuth(memo = "甲方单位Excel导入")
//    @Transactional
    public R planExcelImport(MultipartFile file) throws IOException {
        InputStream inStream = file.getInputStream();
        String fileMime = file.getContentType();
        int excelVersion = 2007;
        if ("application/vnd.ms-excel".equals(fileMime)) {
            excelVersion = 2003;
        }
        Workbook book = null;
        if (excelVersion == 2003) {
            book = new HSSFWorkbook(inStream);
        }
        else {  // 当 excel 是 2007 时
            book = new XSSFWorkbook(inStream);
        }
        Sheet sheet = book.getSheetAt(0);
        int totalRows = sheet.getLastRowNum() + 1;    // 总
        Long userId = getUserId();
        Long hostId = getHostId();
        Long deptId = getDeptId();
        Date now = new Date();
        DataFormatter dataFormatter = new DataFormatter();
        for (int i = 2; i < totalRows; i++) {
        }
        return R.ok();
    }

    /**
     * excel导出
     */
    @PostMapping(value = "/plan/excel/export/auth")
    @ManagerAuth
    public void planExcelExport(HttpServletResponse response) throws IOException {

    }

    /******************************** 跟进人 ***************************************/

    @Autowired
    private PlanFollService planFollService;
    @Autowired
    private UserService userService;

    @RequestMapping(value = "/plan/followers/table/auth")
    @ManagerAuth
    public R planFollowersTable(@RequestParam("planId") Long planId) {
        List<PlanFoll> planFolls = planFollService.selectList(new EntityWrapper<PlanFoll>().eq("plan_id", planId).orderBy("id", false));
        List<FollowerTableVo> result = new ArrayList<>();
        for (PlanFoll planFoll : planFolls) {
            User user = userService.selectById(planFoll.getUserId());
            FollowerTableVo vo = new FollowerTableVo();
            vo.setUserId(user.getId());
            vo.setUserName(user.getNickname());
            result.add(vo);
        }
        return R.ok().add(result);
    }

    @RequestMapping(value = "/plan/followers/add/auth")
    @ManagerAuth
    @Transactional
    public R planFollowersAdd(@RequestParam("planId") Long planId,
                               @RequestParam("followerIds[]") Long[] followerIds) {
        if (Cools.isEmpty(planId, followerIds)) {
            return R.parse(BaseRes.PARAM);
        }
        for (Long userId : followerIds) {
            if (planFollService.selectCount(new EntityWrapper<PlanFoll>().eq("plan_id", planId).eq("user_id", userId)) == 0) {
                PlanFoll planFoll = new PlanFoll();
                planFoll.setPlanId(planId);
                planFoll.setUserId(userId);
                if (!planFollService.insert(planFoll)) {
                    throw new CoolException("添加失败，请联系管理员");
                }
            }
        }
        return R.ok("添加成功");
    }

    @RequestMapping(value = "/plan/followers/remove/auth")
    @ManagerAuth
    public R planFollowersRemove(@RequestParam("planId") Long planId,
                                  @RequestParam("userId") Long userId) {
        if (Cools.isEmpty(planId, userId)) {
            return R.parse(BaseRes.PARAM);
        }
        if (!planFollService.delete(new EntityWrapper<PlanFoll>().eq("plan_id", planId).eq("user_id", userId))) {
            throw new CoolException("删除失败，请联系管理员");
        }
        return R.ok("删除成功");
    }

}