import { afterEach, describe, expect, it } from "vitest";
import { TestSqliteDatabase } from "../../../../../src/backend/tests/database/repositories/test-support.js";
import { ProxmoxNodeHistoryRepository } from "../../../../../src/backend/database/repositories/proxmox-node-history-repository.js";

describe("ProxmoxNodeHistoryRepository", () => {
  let adapter: TestSqliteDatabase | null = null;

  afterEach(async () => {
    if (adapter) {
      await adapter.close();
      adapter = null;
    }
  });

  async function createRepository(
    onWrite?: () => void | Promise<void>,
  ): Promise<ProxmoxNodeHistoryRepository> {
    adapter = new TestSqliteDatabase();
    const context = await adapter.connect();
    await adapter.exec(`
      INSERT INTO users (id, username, password_hash) VALUES
        ('user-1', 'user-1', 'hash'),
        ('user-2', 'user-2', 'hash');

      INSERT INTO ssh_data (id, user_id, name, ip, port, username, auth_type)
      VALUES (1, 'user-1', 'pve1', '10.0.0.1', 22, 'root', 'password'), (2, 'user-2', 'pve2', '10.0.0.2', 22, 'root', 'password');
      INSERT INTO proxmox_node_history (
        host_id, ts, cpu_percent, mem_percent, disk_percent, net_rx_bytes, net_tx_bytes
      )
      VALUES
        (1, '2026-01-01 00:00:00', 10, 20, 30, 100, 200),
        (1, '2026-01-02 00:00:00', 11, 21, 31, 101, 201),
        (1, '2999-01-01 00:00:00', 12, 22, 32, 102, 202),
        (2, '2026-01-02 00:00:00', 99, 99, 99, 999, 999);
    `);

    return new ProxmoxNodeHistoryRepository(context, onWrite);
  }

  it("creates and lists node history rows by range", async () => {
    let writeCount = 0;
    const repo = await createRepository(() => {
      writeCount += 1;
    });

    await repo.create({
      hostId: 1,
      cpuPercent: 12,
      memPercent: 22,
      diskPercent: 32,
      netRxBytes: 102,
      netTxBytes: 202,
    });

    const rows = await repo.listRange(
      1,
      "2026-01-01 00:00:00",
      "2026-01-02 23:59:59",
    );

    expect(rows.map((row) => row.cpuPercent)).toEqual([10, 11]);
    expect(writeCount).toBe(1);
  });

  it("prunes old history for a host only", async () => {
    const repo = await createRepository();

    await repo.pruneOlderThan(1, 1);

    const rows = await repo.listRange(
      1,
      "2000-01-01 00:00:00",
      "2999-12-31 23:59:59",
    );
    expect(rows.map((row) => row.ts)).toEqual(["2999-01-01 00:00:00"]);
    expect(
      await repo.listRange(2, "2026-01-01 00:00:00", "2026-01-03 00:00:00"),
    ).toHaveLength(1);
  });
});