package services

import (
	"context"
	"github.com/TeaOSLab/EdgeAPI/internal/db/models"
	rpcutils "github.com/TeaOSLab/EdgeAPI/internal/rpc/utils"
	"github.com/TeaOSLab/EdgeAPI/internal/utils"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
)

// 用户相关服务
type UserService struct {
	BaseService
}

// 创建用户
func (this *UserService) CreateUser(ctx context.Context, req *pb.CreateUserRequest) (*pb.CreateUserResponse, error) {
	_, err := this.ValidateAdmin(ctx, 0)
	if err != nil {
		return nil, err
	}

	userId, err := models.SharedUserDAO.CreateUser(req.Username, req.Password, req.Fullname, req.Mobile, req.Tel, req.Email, req.Remark, req.Source)
	if err != nil {
		return nil, err
	}
	return &pb.CreateUserResponse{UserId: userId}, nil
}

// 修改用户
func (this *UserService) UpdateUser(ctx context.Context, req *pb.UpdateUserRequest) (*pb.RPCSuccess, error) {
	_, err := this.ValidateAdmin(ctx, 0)
	if err != nil {
		return nil, err
	}

	err = models.SharedUserDAO.UpdateUser(req.UserId, req.Username, req.Password, req.Fullname, req.Mobile, req.Tel, req.Email, req.Remark, req.IsOn)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// 删除用户
func (this *UserService) DeleteUser(ctx context.Context, req *pb.DeleteUserRequest) (*pb.RPCSuccess, error) {
	_, err := this.ValidateAdmin(ctx, 0)
	if err != nil {
		return nil, err
	}

	_, err = models.SharedUserDAO.DisableUser(req.UserId)
	if err != nil {
		return nil, err
	}
	return this.Success()
}

// 计算用户数量
func (this *UserService) CountAllEnabledUsers(ctx context.Context, req *pb.CountAllEnabledUsersRequest) (*pb.RPCCountResponse, error) {
	_, err := this.ValidateAdmin(ctx, 0)
	if err != nil {
		return nil, err
	}

	count, err := models.SharedUserDAO.CountAllEnabledUsers(req.Keyword)
	if err != nil {
		return nil, err
	}
	return this.SuccessCount(count)
}

// 列出单页用户
func (this *UserService) ListEnabledUsers(ctx context.Context, req *pb.ListEnabledUsersRequest) (*pb.ListEnabledUsersResponse, error) {
	_, err := this.ValidateAdmin(ctx, 0)
	if err != nil {
		return nil, err
	}

	users, err := models.SharedUserDAO.ListEnabledUsers(req.Keyword)
	if err != nil {
		return nil, err
	}

	result := []*pb.User{}
	for _, user := range users {
		result = append(result, &pb.User{
			Id:        int64(user.Id),
			Username:  user.Username,
			Fullname:  user.Fullname,
			Mobile:    user.Mobile,
			Tel:       user.Tel,
			Email:     user.Email,
			Remark:    user.Remark,
			IsOn:      user.IsOn == 1,
			CreatedAt: int64(user.CreatedAt),
		})
	}

	return &pb.ListEnabledUsersResponse{Users: result}, nil
}

// 查询单个用户信息
func (this *UserService) FindEnabledUser(ctx context.Context, req *pb.FindEnabledUserRequest) (*pb.FindEnabledUserResponse, error) {
	_, err := this.ValidateAdmin(ctx, 0)
	if err != nil {
		return nil, err
	}

	user, err := models.SharedUserDAO.FindEnabledUser(req.UserId)
	if err != nil {
		return nil, err
	}
	if user == nil {
		return &pb.FindEnabledUserResponse{User: nil}, nil
	}
	return &pb.FindEnabledUserResponse{User: &pb.User{
		Id:        int64(user.Id),
		Username:  user.Username,
		Fullname:  user.Fullname,
		Mobile:    user.Mobile,
		Tel:       user.Tel,
		Email:     user.Email,
		Remark:    user.Remark,
		IsOn:      user.IsOn == 1,
		CreatedAt: int64(user.CreatedAt),
	}}, nil
}

// 检查用户名是否存在
func (this *UserService) CheckUsername(ctx context.Context, req *pb.CheckUsernameRequest) (*pb.CheckUsernameResponse, error) {
	_, err := this.ValidateAdmin(ctx, 0)
	if err != nil {
		return nil, err
	}

	b, err := models.SharedUserDAO.ExistUser(req.UserId, req.Username)
	if err != nil {
		return nil, err
	}
	return &pb.CheckUsernameResponse{Exists: b}, nil
}

// 登录
func (this *UserService) LoginUser(ctx context.Context, req *pb.LoginUserRequest) (*pb.LoginUserResponse, error) {
	_, _, err := rpcutils.ValidateRequest(ctx)
	if err != nil {
		return nil, err
	}

	if len(req.Username) == 0 || len(req.Password) == 0 {
		return &pb.LoginUserResponse{
			UserId:  0,
			IsOk:    false,
			Message: "请输入正确的用户名密码",
		}, nil
	}

	userId, err := models.SharedUserDAO.CheckUserPassword(req.Username, req.Password)
	if err != nil {
		utils.PrintError(err)
		return nil, err
	}

	if userId <= 0 {
		return &pb.LoginUserResponse{
			UserId:  0,
			IsOk:    false,
			Message: "请输入正确的用户名密码",
		}, nil
	}

	return &pb.LoginUserResponse{
		UserId: userId,
		IsOk:   true,
	}, nil
}