import { randomUUID } from "node:crypto";
import { desc } from "drizzle-orm";
import type { ScanLogEntry } from "@launchpad/shared";
import { db } from "../client.js";
import { scanLogs } from "../schema.js";

function mapRow(row: typeof scanLogs.$inferSelect): ScanLogEntry {
  return {
    id: row.id,
    type: row.type as ScanLogEntry["type"],
    targetId: row.targetId,
    level: row.level as ScanLogEntry["level"],
    message: row.message,
    createdAt: row.createdAt,
  };
}

export interface LogScanInput {
  type: ScanLogEntry["type"];
  targetId?: string | null;
  level: ScanLogEntry["level"];
  message: string;
}

/** Schreibt einen Eintrag für einen Scan-Versuch (Erfolg oder Fehler). */
export function logScan(input: LogScanInput): ScanLogEntry {
  const id = randomUUID();
  const createdAt = new Date().toISOString();

  db.insert(scanLogs)
    .values({
      id,
      type: input.type,
      targetId: input.targetId ?? null,
      level: input.level,
      message: input.message,
      createdAt,
    })
    .run();

  return { id, type: input.type, targetId: input.targetId ?? null, level: input.level, message: input.message, createdAt };
}

export function listLogs(limit = 100): ScanLogEntry[] {
  return db
    .select()
    .from(scanLogs)
    .orderBy(desc(scanLogs.createdAt))
    .limit(limit)
    .all()
    .map(mapRow);
}