import { describe, expect, it } from 'vitest';

import { buildSessionProgressView } from '@/lib/session-progress';
import type { ProcessArtifact, ProcessEvent, ProcessRun } from '@/types';

describe('session progress view builder', () => {
  it('selects the latest active root run for the current session and builds its run tree', () => {
    const processRuns: ProcessRun[] = [
      {
        run_id: 'old-root',
        parent_run_id: null,
        session_id: 'web:current',
        actor_type: 'agent',
        actor_id: 'main',
        actor_name: 'Main Agent',
        title: '旧任务',
        status: 'done',
        started_at: '2026-05-22T08:00:00.000Z',
        finished_at: '2026-05-22T08:05:00.000Z',
      },
      {
        run_id: 'latest-root',
        parent_run_id: null,
        session_id: 'web:current',
        actor_type: 'agent',
        actor_id: 'main',
        actor_name: 'Main Agent',
        title: '销售数据分析报告生成',
        status: 'running',
        started_at: '2026-05-22T09:00:00.000Z',
        metadata: {
          step_index: 3,
          step_total: 5,
        },
      },
      {
        run_id: 'collect-data',
        parent_run_id: 'latest-root',
        session_id: 'web:current',
        actor_type: 'agent',
        actor_id: 'collector',
        actor_name: 'Data Agent',
        title: '收集销售数据',
        status: 'done',
        started_at: '2026-05-22T09:01:00.000Z',
        finished_at: '2026-05-22T09:03:00.000Z',
        summary: '已获取 Q1 销售数据',
      },
      {
        run_id: 'clean-data',
        parent_run_id: 'latest-root',
        session_id: 'web:current',
        actor_type: 'agent',
        actor_id: 'cleaner',
        actor_name: 'Cleaning Agent',
        title: '数据清洗与预处理',
        status: 'running',
        started_at: '2026-05-22T09:04:00.000Z',
      },
      {
        run_id: 'other-root',
        parent_run_id: null,
        session_id: 'web:other',
        actor_type: 'agent',
        actor_id: 'main',
        actor_name: 'Main Agent',
        title: '其他会话任务',
        status: 'running',
        started_at: '2026-05-22T10:00:00.000Z',
      },
    ];

    const processEvents: ProcessEvent[] = [
      {
        event_id: 'evt-clean',
        run_id: 'clean-data',
        parent_run_id: 'latest-root',
        kind: 'run_progress',
        actor_type: 'agent',
        actor_id: 'cleaner',
        actor_name: 'Cleaning Agent',
        text: '清洗缺失值、异常值，统一格式',
        created_at: '2026-05-22T09:05:00.000Z',
      },
    ];

    const processArtifacts: ProcessArtifact[] = [
      {
        artifact_id: 'artifact-json',
        run_id: 'collect-data',
        actor_type: 'agent',
        actor_id: 'collector',
        actor_name: 'Data Agent',
        title: '销售数据',
        artifact_type: 'json',
        data: { rows: 120 },
        created_at: '2026-05-22T09:03:30.000Z',
      },
      {
        artifact_id: 'artifact-markdown',
        run_id: 'clean-data',
        actor_type: 'agent',
        actor_id: 'cleaner',
        actor_name: 'Cleaning Agent',
        title: '清洗说明',
        artifact_type: 'markdown',
        content: '已完成数据标准化。',
        created_at: '2026-05-22T09:05:30.000Z',
      },
      {
        artifact_id: 'artifact-other-session',
        run_id: 'other-root',
        actor_type: 'agent',
        actor_id: 'main',
        title: '其他会话产物',
        artifact_type: 'text',
        content: '不应出现',
        created_at: '2026-05-22T10:01:00.000Z',
      },
    ];

    const view = buildSessionProgressView({
      sessionId: 'web:current',
      processRuns,
      processEvents,
      processArtifacts,
      locale: 'zh-CN',
    });

    expect(view).not.toBeNull();
    expect(view?.rootRunId).toBe('latest-root');
    expect(view?.title).toBe('销售数据分析报告生成');
    expect(view?.progress).toMatchObject({
      value: 3,
      max: 5,
      percent: 60,
      label: '运行中：3 / 5 步',
    });
    expect(view?.steps.map((step) => step.runId)).toEqual(['collect-data', 'clean-data', 'latest-root']);
    expect(view?.steps.find((step) => step.runId === 'clean-data')?.description).toBe('清洗缺失值、异常值，统一格式');
    expect(view?.artifactTypeSummaries).toEqual([
      { type: 'json', count: 1, label: 'JSON' },
      { type: 'markdown', count: 1, label: 'Markdown' },
    ]);
    expect(view?.artifacts.map((artifact) => artifact.artifactId)).toEqual(['artifact-markdown', 'artifact-json']);
  });

  it('falls back to completed child run counts when no explicit progress metadata exists', () => {
    const processRuns: ProcessRun[] = [
      {
        run_id: 'root',
        parent_run_id: null,
        session_id: 'web:current',
        actor_type: 'agent',
        actor_id: 'main',
        actor_name: 'Main Agent',
        title: '生成总结',
        status: 'running',
        started_at: '2026-05-22T09:00:00.000Z',
      },
      {
        run_id: 'done-child',
        parent_run_id: 'root',
        session_id: 'web:current',
        actor_type: 'agent',
        actor_id: 'writer',
        actor_name: 'Writer',
        title: '整理结果',
        status: 'done',
        started_at: '2026-05-22T09:01:00.000Z',
        finished_at: '2026-05-22T09:02:00.000Z',
      },
      {
        run_id: 'running-child',
        parent_run_id: 'root',
        session_id: 'web:current',
        actor_type: 'agent',
        actor_id: 'reviewer',
        actor_name: 'Reviewer',
        title: '复核结果',
        status: 'running',
        started_at: '2026-05-22T09:03:00.000Z',
      },
    ];

    const view = buildSessionProgressView({
      sessionId: 'web:current',
      processRuns,
      processEvents: [],
      processArtifacts: [],
      locale: 'zh-CN',
    });

    expect(view?.progress).toMatchObject({
      value: 1,
      max: 2,
      percent: 50,
      label: '已完成 1 / 2 步',
    });
  });
});