package service

import (
	"context"
	"encoding/json"
	"fmt"
	"git.hpds.cc/Component/logging"
	"hpds-iot-web/config"
	"hpds-iot-web/internal/middleware"
	"hpds-iot-web/internal/proto"
	"hpds-iot-web/model"
	"hpds-iot-web/pkg/utils"
	"net/http"
	"time"
	"xorm.io/xorm"
)

type PagingStruct struct {
	List  interface{} `json:"list"`
	Total int64       `json:"total"`
}

// FillPaging 填充分页数据
func FillPaging(count int64, pageNum int64, pageSize int64, list interface{}, data *proto.BaseResponse) *proto.BaseResponse {
	//var tp int64
	//if count%pageSize > 0 {
	//	tp = count/pageSize + 1
	//} else {
	//	tp = count / pageSize
	//}
	ps := new(PagingStruct)
	ps.List = list
	ps.Total = count
	data.Data = ps
	//data.PageSize = pageSize
	//data.Data = list
	//data.Page = pageNum
	//data.PageCount = tp
	//data.TotalSize = count
	return data
}

type repo struct {
	AppConfig *config.WebConfig
	engine    *xorm.Engine
	logger    *logging.Logger
}

type UserService interface {
	Login(ctx context.Context, userName, pass string) (rsp *proto.BaseResponse, err error)
	GetUserInfo(ctx context.Context, userId int64) (rsp *proto.BaseResponse, err error)
	MenuList(ctx context.Context, userId int64) (rsp *proto.BaseResponse, err error)
}

func NewUserService(engine *xorm.Engine, logger *logging.Logger) UserService {
	return &repo{
		engine: engine,
		logger: logger,
	}
}

func (rp *repo) Login(ctx context.Context, userName, pass string) (rsp *proto.BaseResponse, err error) {
	rsp = new(proto.BaseResponse)
	select {
	case <-ctx.Done():
		err = fmt.Errorf("超时/取消")
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Message = "超时/取消"
		rsp.Err = ctx.Err()
		return rsp, ctx.Err()
	default:
		//获取用户
		us := new(model.SystemUser)
		h, err := rp.engine.Where("phone=?", userName).Get(us)
		if err != nil {
			goto ReturnPoint
		}
		if !h {
			err = fmt.Errorf("未能找到对应的用户")
			goto ReturnPoint
		}
		vPass := utils.GetUserSha1Pass(pass, us.Salt)
		if vPass != us.Pass {
			err = fmt.Errorf("用户名或者密码不正确")
			goto ReturnPoint
		}
		data := new(proto.UserLoginResponse)
		data.UserName = us.Phone
		data.RealName = us.RealName
		data.UserId = us.UserId
		data.Avatar = us.Avatar
		data.Desc = us.Desc
		data.HomePath = us.HomePath
		//生成JWT token
		data.Token, err = middleware.Sign(us, 86400)
		if err != nil {
			goto ReturnPoint
		}
		body, _ := json.Marshal(us)
		err = model.Redis.Set(data.Token, string(body), time.Duration(24)*time.Hour).Err()
		if err != nil {
			goto ReturnPoint
		}
		roleList := model.GetRolesByUserId(us.UserId)
		data.Roles = make([]proto.RoleItem, len(roleList))
		for k, v := range roleList {
			data.Roles[k] = proto.RoleItem{
				RoleId:   v.RoleId,
				RoleName: v.RoleName,
				Value:    v.RoleValue,
			}
		}

		rsp.Code = http.StatusOK
		rsp.Status = http.StatusText(http.StatusOK)
		rsp.Message = "成功"
		rsp.Data = data
		rsp.Err = err
		return rsp, err
	}
ReturnPoint:
	if err != nil {
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Err = err
		rsp.Message = "失败"
	}
	return rsp, err
}

func (rp *repo) GetUserInfo(ctx context.Context, userId int64) (rsp *proto.BaseResponse, err error) {
	rsp = new(proto.BaseResponse)
	select {
	case <-ctx.Done():
		err = fmt.Errorf("超时/取消")
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Message = "超时/取消"
		rsp.Err = ctx.Err()
		return rsp, ctx.Err()
	default:
		//获取用户
		us := new(model.SystemUser)
		h, err := rp.engine.ID(userId).Get(us)
		if err != nil {
			goto ReturnPoint
		}
		if !h {
			err = fmt.Errorf("未能找到对应的用户")
			goto ReturnPoint
		}
		data := new(proto.UserLoginResponse)
		data.UserName = us.Phone
		data.RealName = us.RealName
		data.UserId = us.UserId
		data.Avatar = us.Avatar
		data.Desc = us.Desc
		data.HomePath = us.HomePath
		//生成JWT token
		data.Token, err = middleware.Sign(us, 86400)
		if err != nil {
			goto ReturnPoint
		}
		body, _ := json.Marshal(us)
		err = model.Redis.Set(data.Token, string(body), time.Duration(24)*time.Hour).Err()
		if err != nil {
			goto ReturnPoint
		}
		roleList := model.GetRolesByUserId(us.UserId)
		data.Roles = make([]proto.RoleItem, len(roleList))
		for k, v := range roleList {
			data.Roles[k] = proto.RoleItem{
				RoleId:   v.RoleId,
				RoleName: v.RoleName,
				Value:    v.RoleValue,
			}
		}

		rsp.Code = http.StatusOK
		rsp.Status = http.StatusText(http.StatusOK)
		rsp.Message = "成功"
		rsp.Data = data
		rsp.Err = err
		return rsp, err
	}
ReturnPoint:
	if err != nil {
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Err = err
		rsp.Message = "失败"
	}
	return rsp, err
}

func (rp *repo) MenuList(ctx context.Context, userId int64) (rsp *proto.BaseResponse, err error) {
	rsp = new(proto.BaseResponse)
	select {
	case <-ctx.Done():
		err = fmt.Errorf("超时/取消")
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Message = "超时/取消"
		rsp.Err = ctx.Err()
		return rsp, ctx.Err()
	default:
		//获取用户
		roleList := make([]model.SystemUserRole, 0)
		err = rp.engine.Where("user_id = ? and status = 1", userId).Find(&roleList)
		if err != nil {
			goto ReturnPoint
		}
		roleIdList := make([]int64, len(roleList))
		for k, v := range roleList {
			roleIdList[k] = v.RoleId
		}
		menuList := make([]model.SystemRoleMenu, 0)
		err = rp.engine.In("role_id", roleIdList).And("status = 1").Find(&menuList)
		if err != nil {
			goto ReturnPoint
		}
		menuIdList := make([]int64, len(menuList))
		for k, v := range menuList {
			menuIdList[k] = v.RoleId
		}
		list := make([]model.SystemMenu, 0)
		err = rp.engine.In("menu_id", menuIdList).And("status = 1").Find(&list)
		if err != nil {
			goto ReturnPoint
		}
		rsp.Code = http.StatusOK
		rsp.Status = http.StatusText(http.StatusOK)
		rsp.Message = "成功"
		rsp.Data = list
		rsp.Err = err
		return rsp, err
	}
ReturnPoint:
	if err != nil {
		rsp.Code = http.StatusInternalServerError
		rsp.Status = http.StatusText(http.StatusInternalServerError)
		rsp.Err = err
		rsp.Message = "失败"
	}
	return rsp, err
}