import { eq } from "drizzle-orm";
import { db } from "./database";
import { users } from "./schema";


export type UserUpdate = {
    id: string | bigint,
    username: string
    globalName: string
};

export type NewUser = typeof users.$inferInsert;

export async function findUser (userData: UserUpdate) {
    let user = await db.query.users.findFirst({
        where: () => eq(users.discordId, BigInt(userData.id))
    }) as NewUser;

    if (!user) {
        // upsert the user
        user = await db.insert(users).values({
            discordId: BigInt(userData.id),
            username: userData.username,
            displayName: userData.globalName,
        } as NewUser).returning() as NewUser;
    } else if (
        user.username !== userData.username ||
        user.displayName !== userData.globalName
    ) {
        await db.update(users).set({
            username: userData.username,
            displayName: userData.globalName
        }).where(eq(users.discordId, BigInt(userData.id)))
    }

    return user;
}