package db

import (
	"log"

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

	"git.jmbit.de/jmb/goipam/utils"
)

// SetupDB checks if database has already been initialized and users exist, otherwise creates default users
func SetupDB() {
	ConnectDB()
	var users []User
	var count int64
	var err error
	var adminPW string
	conn.Find(&users).Count(&count)
	if count >= 1 {
		return
	}
	if viper.GetString("web.adminpw") != "" {
		adminPW = viper.GetString("web.adminpw")

	} else {
		adminPW, err = utils.RandomString(32)
	}
	if err != nil {
		log.Fatalf("Could not generate admin PW: %v", err)
	} else {
		log.Println("Admin PW is:", adminPW)
	}
	adminPWHash, err := utils.HashPassword(adminPW)
	if err != nil {
		log.Fatalf("Could not generate admin PW: %v", err)
	} else {
		log.Println("Hashed Admin PW", adminPWHash)
	}
	adminUser := User{
		Model:       gorm.Model{},
		Name:        "admin",
		PassHash:    adminPWHash,
		Email:       "admin@example.com",
		DisplayName: "Administrator",
		Admin:       true,
	}
	result := conn.Create(&adminUser)
	if result.Error != nil {
		log.Println(err)
	}
	result = nil
	result = conn.Create(&Location{
		Name:    "Example",
		Comment: "This is an example Location",
		Subnets: []Subnet{
			{
				Name:        "VLAN1337",
				DisplayName: "Example Subnet",
				IPv4Net:     "1.3.3.7/32",
				IPv6Net:     "dead:beef:ca1f/64",
			},
		},
	})
	if result.Error != nil {
		log.Println(err)
	}

}