"use server";

import { updateTag } from "next/cache";
import * as z from "zod";

import { requireAdmin } from "@/lib/auth/server";
import { auditActor, writeAuditLogBestEffort } from "@/lib/audit-log";
import { STYGIAN_CACHE_TAG } from "@/lib/cache/stygian";
import {
  saveStygianRecommendations,
  syncStygianArchive,
} from "@/lib/stygian/repository";

function message(cause: unknown) {
  return cause instanceof z.ZodError
    ? cause.issues.map((issue) => issue.message).join(" • ")
    : cause instanceof Error ? cause.message : "ดำเนินการไม่สำเร็จ";
}

export async function syncStygianArchiveAction() {
  const admin = await requireAdmin();
  try {
    const result = await syncStygianArchive();
    await writeAuditLogBestEffort(auditActor(admin.user), {
      action: "stygian.synced",
      targetType: "stygian_schedule",
      targetId: String(result.imported.at(-1) ?? result.stoppedAt),
      metadata: { imported: result.imported, stoppedAt: result.stoppedAt },
    });
    updateTag(STYGIAN_CACHE_TAG);
    return { status: "saved" as const, ...result };
  } catch (cause) {
    return { status: "error" as const, message: message(cause) };
  }
}

export async function saveStygianRecommendationsAction(scheduleId: number, input: unknown) {
  const admin = await requireAdmin();
  try {
    const result = await saveStygianRecommendations(scheduleId, input);
    await writeAuditLogBestEffort(auditActor(admin.user), {
      action: "stygian.recommendations.saved",
      targetType: "stygian_schedule",
      targetId: String(scheduleId),
      resultingVersion: result.version,
    });
    updateTag(STYGIAN_CACHE_TAG);
    return { status: "saved" as const, version: result.version };
  } catch (cause) {
    return { status: "error" as const, message: message(cause) };
  }
}