package business

import (
	"time"

	"github.com/jinzhu/gorm"
	"github.com/spf13/viper"

	"shopperthree_manage_v2/app/models"
	"shopperthree_manage_v2/pkg/ierr"
	"shopperthree_manage_v2/pkg/jwt"
	"shopperthree_manage_v2/pkg/util"
)

func Login(req *models.LoginRequest) (*models.LoginReply, error) {
	if req.Phone == "" || req.Password == "" {
		return nil, ierr.NewIError(ierr.ParamErr, "missing key param")
	}
	tAdmin := new(models.TAdmin)
	tAdmin.Phone = req.Phone
	admin, err := tAdmin.ShowByPhone()
	if err != nil {
		if gorm.IsRecordNotFoundError(err) {
			return nil, ierr.NewIError(ierr.PhoneNotExists, "phone not exists")
		}
		return nil, ierr.NewIError(ierr.QueryDataFail, err.Error())
	}
	if admin.Password != util.Sha256(req.Password) {
		return nil, ierr.NewIError(ierr.PasswordErr, "password error")
	}
	//密码正确生成token
	token, err := jwt.GenerateToken(&jwt.Playload{
		UserId: admin.UserId,
		Phone:  admin.Phone,
		Expire: time.Now().Unix() + 86400*10,
		Role:   admin.Role,
	}, viper.GetString("token_secret"))
	if err != nil {
		return nil, ierr.NewIError(ierr.GenerateTokenFailed, err.Error())
	}
	return &models.LoginReply{
		UserId: admin.UserId,
		Phone:  admin.Phone,
		Token:  token,
		Role:   admin.Role,
	}, nil
}