import { describe, expect, it } from 'vitest';
import { agentStatsUnchanged, WS_LATEST_MESSAGE_TYPES } from './wsStatsCoalesce';
import { mockAgent } from '../test/fixtures';

describe('agentStatsUnchanged', () => {
  it('returns true when payload matches current agent stats', () => {
    const agent = mockAgent({
      hashrate_15s: 100,
      hashrate_1m: 90,
      hashrate_15m: 80,
      cpu_usage_pct: 12,
    });
    expect(
      agentStatsUnchanged(agent, {
        agent_id: agent.id,
        hashrate_15s: 100,
        hashrate_1m: 90,
        hashrate_15m: 80,
        cpu_usage_pct: 12,
      }),
    ).toBe(true);
  });

  it('returns false when hashrate changes', () => {
    const agent = mockAgent({ hashrate_15s: 100, hashrate_1m: 90, hashrate_15m: 80, cpu_usage_pct: 12 });
    expect(
      agentStatsUnchanged(agent, {
        agent_id: agent.id,
        hashrate_15s: 101,
        hashrate_1m: 90,
        hashrate_15m: 80,
        cpu_usage_pct: 12,
      }),
    ).toBe(false);
  });

  it('returns false when mining cascade fields change', () => {
    const agent = mockAgent({
      hashrate_15s: 100,
      hashrate_1m: 90,
      hashrate_15m: 80,
      cpu_usage_pct: 12,
      active_method: 'inprocess',
      stratum_overlay: false,
    });
    expect(
      agentStatsUnchanged(agent, {
        agent_id: agent.id,
        hashrate_15s: 100,
        hashrate_1m: 90,
        hashrate_15m: 80,
        cpu_usage_pct: 12,
        active_method: 'container',
      }),
    ).toBe(false);
    expect(
      agentStatsUnchanged(agent, {
        agent_id: agent.id,
        hashrate_15s: 100,
        hashrate_1m: 90,
        hashrate_15m: 80,
        cpu_usage_pct: 12,
        active_method: 'inprocess',
        stratum_overlay: true,
      }),
    ).toBe(false);
  });

  it('returns false when mining_hashrate or lotl_tier change', () => {
    const agent = mockAgent({
      hashrate_15s: 100,
      hashrate_1m: 90,
      hashrate_15m: 80,
      cpu_usage_pct: 12,
      mining_hashrate: 500,
      lotl_tier: 'tier-1',
    });
    expect(
      agentStatsUnchanged(agent, {
        agent_id: agent.id,
        hashrate_15s: 100,
        hashrate_1m: 90,
        hashrate_15m: 80,
        cpu_usage_pct: 12,
        mining_hashrate: 600,
      }),
    ).toBe(false);
    expect(
      agentStatsUnchanged(agent, {
        agent_id: agent.id,
        hashrate_15s: 100,
        hashrate_1m: 90,
        hashrate_15m: 80,
        cpu_usage_pct: 12,
        lotl_tier: 'tier-2',
      }),
    ).toBe(false);
  });

  it('returns false when lotl_attempts change', () => {
    const agent = mockAgent({
      hashrate_15s: 100,
      hashrate_1m: 90,
      hashrate_15m: 80,
      cpu_usage_pct: 12,
      lotl_attempts: [{ tier: 'container', ok: false, duration_ms: 500 }],
    });
    expect(
      agentStatsUnchanged(agent, {
        agent_id: agent.id,
        hashrate_15s: 100,
        hashrate_1m: 90,
        hashrate_15m: 80,
        cpu_usage_pct: 12,
        lotl_attempts: [{ tier: 'container', ok: true, duration_ms: 500 }],
      }),
    ).toBe(false);
  });

  it('returns false when spread genealogy watermark changes', () => {
    const agent = mockAgent({
      hashrate_15s: 100,
      hashrate_1m: 90,
      hashrate_15m: 80,
      cpu_usage_pct: 12,
      parent_agent_id: 'parent-1',
      spread_generation: 1,
      spread_strain: '#aabbcc',
    });
    expect(
      agentStatsUnchanged(agent, {
        agent_id: agent.id,
        hashrate_15s: 100,
        hashrate_1m: 90,
        hashrate_15m: 80,
        cpu_usage_pct: 12,
        spread_generation: 2,
      }),
    ).toBe(false);
  });
});

describe('WS_LATEST_MESSAGE_TYPES', () => {
  it('includes command_result so SoundBridge and Crucible backup path receive results', () => {
    expect(WS_LATEST_MESSAGE_TYPES.has('command_result')).toBe(true);
  });
});