import { APP_PATH } from "@server/lib/consts";
import Database from "better-sqlite3";
import path from "path";
import { isoBase64URL } from "@simplewebauthn/server/helpers";
import { randomUUID } from "crypto";

const version = "1.10.4";

export default async function migration() {
    console.log(`Running setup script ${version}...`);

    const location = path.join(APP_PATH, "db", "db.sqlite");
    const db = new Database(location);

    db.transaction(() => {
        const webauthnCredentials = db
            .prepare(
                `SELECT credentialId, publicKey, userId, signCount, transports, name, lastUsed, dateCreated FROM 'webauthnCredentials'`
            )
            .all() as {
            credentialId: string;
            publicKey: string;
            userId: string;
            signCount: number;
            transports: string | null;
            name: string | null;
            lastUsed: string;
            dateCreated: string;
        }[];

        for (const webauthnCredential of webauthnCredentials) {
            const newCredentialId = isoBase64URL.fromBuffer(
                new Uint8Array(
                    Buffer.from(webauthnCredential.credentialId, "base64")
                )
            );
            const newPublicKey = isoBase64URL.fromBuffer(
                new Uint8Array(
                    Buffer.from(webauthnCredential.publicKey, "base64")
                )
            );

            // Delete the old record
            db.prepare(
                `DELETE FROM 'webauthnCredentials' WHERE 'credentialId' = ?`
            ).run(webauthnCredential.credentialId);

            // Insert the updated record with converted values
            db.prepare(
                `INSERT INTO 'webauthnCredentials' (credentialId, publicKey, userId, signCount, transports, name, lastUsed, dateCreated) VALUES (?, ?, ?, ?, ?, ?, ?, ?)`
            ).run(
                newCredentialId,
                newPublicKey,
                webauthnCredential.userId,
                webauthnCredential.signCount,
                webauthnCredential.transports,
                webauthnCredential.name,
                webauthnCredential.lastUsed,
                webauthnCredential.dateCreated
            );
        }

        // 1. Add the column (nullable or with placeholder) if it doesn’t exist yet
        db.prepare(
            `ALTER TABLE resources ADD COLUMN resourceGuid TEXT DEFAULT 'PLACEHOLDER';`
        ).run();

        // 2. Select all rows
        const rows = db.prepare(`SELECT resourceId FROM resources`).all() as {
            resourceId: number;
        }[];

        // 3. Prefill with random UUIDs
        const updateStmt = db.prepare(
            `UPDATE resources SET resourceGuid = ? WHERE resourceId = ?`
        );

        for (const row of rows) {
            updateStmt.run(randomUUID(), row.resourceId);
        }

        db.prepare(
            `CREATE UNIQUE INDEX resources_resourceGuid_unique ON resources ('resourceGuid');`
        ).run();

        db.prepare(`ALTER TABLE "orgs" ADD COLUMN IF NOT EXISTS "settings" text`).run();
    })();

    console.log(`${version} migration complete`);
}