package service

import (
	"errors"
	"fmt"
	"hospital-admin-api/api/dao"
	"hospital-admin-api/api/dto"
	"hospital-admin-api/api/model"
	"hospital-admin-api/api/requests"
	"hospital-admin-api/global"
)

type HospitalService struct {
}

// AddHospital 新增医院
func (r *HospitalService) AddHospital(req requests.AddHospital) (bool, error) {
	hospitalDao := dao.HospitalDao{}

	// 检测医院是否重复
	maps := make(map[string]interface{})
	maps["hospital_name"] = req.HospitalName
	maps["province_id"] = req.ProvinceId
	maps["city_id"] = req.CityId
	hospitals, err := hospitalDao.GetHospitalList(maps)
	if err != nil {
		return false, errors.New("医院重复添加")
	}

	if len(hospitals) != 0 {
		return false, errors.New("医院重复添加")
	}

	var province string
	var city string
	var county string

	areaDao := dao.AreaDao{}
	if req.ProvinceId != 0 {
		area, err := areaDao.GetAreaById(req.ProvinceId)
		if err != nil || area == nil {
			return false, errors.New("省份数据错误")
		}
		province = area.AreaName
	}

	if req.CityId != 0 {
		area, err := areaDao.GetAreaById(req.CityId)
		if err != nil || area == nil {
			return false, errors.New("城市数据错误")
		}
		city = area.AreaName
	}

	if req.CountyId != 0 {
		area, err := areaDao.GetAreaById(req.CountyId)
		if err != nil || area == nil {
			return false, errors.New("城市数据错误")
		}
		county = area.AreaName
	}

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
		}
	}()

	// 新增商品表
	hospital := &model.Hospital{
		HospitalName:      req.HospitalName,
		HospitalStatus:    *req.HospitalStatus,
		HospitalLevelName: req.HospitalLevelName,
		PostCode:          req.PostCode,
		TelePhone:         req.TelePhone,
		ProvinceId:        req.ProvinceId,
		Province:          province,
		CityId:            req.CityId,
		City:              city,
		CountyId:          req.CountyId,
		County:            county,
		Address:           req.Address,
		Lat:               req.Lat,
		Lng:               req.Lng,
		Desc:              req.Desc,
	}

	hospital, err = hospitalDao.AddHospital(tx, hospital)
	if err != nil || hospital == nil {
		tx.Rollback()
		return false, errors.New(err.Error())
	}

	tx.Commit()
	return true, nil
}

// PutHospital 修改医院
func (r *HospitalService) PutHospital(hospitalId int64, req requests.PutHospital) (bool, error) {
	hospitalDao := dao.HospitalDao{}
	area, err := hospitalDao.GetHospitalById(hospitalId)
	if err != nil || area == nil {
		return false, errors.New("省份数据错误")
	}

	// 开始事务
	tx := global.Db.Begin()
	defer func() {
		if r := recover(); r != nil {
			tx.Rollback()
			fmt.Println(r)
		}
	}()

	hospitalData := make(map[string]interface{})

	if req.HospitalName != area.HospitalName {
		hospitalData["hospital_name"] = req.HospitalName
	}

	if *req.HospitalStatus != area.HospitalStatus {
		hospitalData["hospital_status"] = req.HospitalStatus
	}

	if req.HospitalLevelName != area.HospitalLevelName {
		hospitalData["hospital_level_name"] = req.HospitalLevelName
	}

	if req.PostCode != "" {
		if req.PostCode != area.PostCode {
			hospitalData["post_code"] = req.PostCode
		}
	}

	if req.TelePhone != "" {
		if req.TelePhone != area.TelePhone {
			hospitalData["tele_phone"] = req.TelePhone
		}
	}

	if req.ProvinceId != 0 {
		if req.ProvinceId != area.ProvinceId {
			areaDao := dao.AreaDao{}
			area, err := areaDao.GetAreaById(req.ProvinceId)
			if err != nil || area == nil {
				return false, errors.New("省份数据错误")
			}

			hospitalData["province_id"] = req.ProvinceId
			hospitalData["province"] = area.AreaName

		}
	}

	if req.CityId != 0 {
		if req.CityId != area.CityId {
			areaDao := dao.AreaDao{}
			area, err := areaDao.GetAreaById(req.CityId)
			if err != nil || area == nil {
				return false, errors.New("省份数据错误")
			}

			hospitalData["city_id"] = req.CityId
			hospitalData["city"] = area.AreaName

		}
	}

	if req.CountyId != 0 {
		if req.CountyId != area.CountyId {
			areaDao := dao.AreaDao{}
			area, err := areaDao.GetAreaById(req.CountyId)
			if err != nil || area == nil {
				return false, errors.New("省份数据错误")
			}

			hospitalData["county_id"] = req.CountyId
			hospitalData["county"] = area.AreaName

		}
	}

	if req.Address != "" {
		if req.Address != area.Address {
			hospitalData["address"] = req.Address
		}
	}

	if req.Lat != "" {
		if req.Lat != area.Lat {
			hospitalData["lat"] = req.Lat
		}
	}

	if req.Lng != "" {
		if req.Lng != area.Lng {
			hospitalData["lng"] = req.Lng
		}
	}

	if req.Desc != "" {
		if req.Desc != area.Desc {
			hospitalData["desc"] = req.Desc
		}
	}

	if len(hospitalData) > 0 {
		err = hospitalDao.EditHospitalById(tx, hospitalId, hospitalData)
		if err != nil || area == nil {
			tx.Rollback()
			return false, errors.New(err.Error())
		}
	}

	tx.Commit()
	return true, nil
}

// GetHospital 系统优惠卷详情
func (r *HospitalService) GetHospital(hospitalId int64) (g *dto.HospitalDto, err error) {
	hospitalDao := dao.HospitalDao{}
	hospital, err := hospitalDao.GetHospitalById(hospitalId)
	if err != nil || hospital == nil {
		return nil, errors.New(err.Error())
	}

	// 处理返回值
	g = dto.GetHospitalDto(hospital)

	return g, nil
}