package databasecommands

import (
	"errors"
	"log"

	databasemodels "example.com/database/models"

	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)

func InitializeDatabase() *gorm.DB {
	db, err := gorm.Open(sqlite.Open("../db/main.db"), &gorm.Config{})
	if err != nil {
		log.Fatal("Failed to connect to database.")
	}
	db.AutoMigrate(&databasemodels.User{})
	return db
}

func GetDatabaseUserToken(db *gorm.DB, id string) string {
	var dbUser databasemodels.User
	result := db.Where("id = ?", id).Select("login_token").Take(&dbUser)
	if errors.Is(result.Error, gorm.ErrRecordNotFound) {
		return ""
	} else {
		return dbUser.LoginToken
	}
}

func DatabaseUserExists(db *gorm.DB, id string) bool {
	var queryUser databasemodels.User
	result := db.Where("id = ?", id).Take(&queryUser)
	if errors.Is(result.Error, gorm.ErrRecordNotFound) {
		return false
	} else {
		return true
	}
}

func DatabaseUserLoggedIn(db *gorm.DB, id string) bool {
	var queryUser databasemodels.User
	result := db.Where("id = ?", id).Take(&queryUser)
	if errors.Is(result.Error, gorm.ErrRecordNotFound) {
		return false
	} else {
		return queryUser.LoggedIn
	}
}

func UpdateDatabaseUser(db *gorm.DB, user databasemodels.User) error {
	result := db.Save(&user)
	if result.Error != nil {
		return result.Error
	}
	return nil
}

func CreateDatabaseUser(db *gorm.DB, user databasemodels.User) error {
	result := db.Create(&user)
	if result.Error != nil {
		return result.Error
	}
	return nil
}

func LogoutDatabaseUser(db *gorm.DB, oauthToken string) {
	db.Model(&databasemodels.User{}).Where("login_token = ?", oauthToken).Update("logged_in", false)
	db.Model(&databasemodels.User{}).Where("login_token = ?", oauthToken).Update("login_token", "")
}