import assert from 'node:assert/strict';
import fs from 'node:fs/promises';
import os from 'node:os';
import path from 'node:path';
import test from 'node:test';
import {
  buildSelectedAssetDeleteInstructions,
  buildSelectedAssetReadInstructions,
  createAssetAgentService,
} from './mindspace-asset-agent.mjs';

test('buildSelectedAssetReadInstructions uses agent download proxy', () => {
  const lines = buildSelectedAssetReadInstructions({
    selectedAssets: [
      {
        id: 'asset-9',
        displayName: 'sales.xlsx',
        mimeType: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
      },
    ],
    h5ApiBase: 'http://127.0.0.1:8081',
    agentSessionId: 'session-1',
  });
  const text = lines.join('\n');
  assert.match(text, /mindspace_asset_download/);
  assert.match(text, /禁止.*assets\/:id\/download/);
  assert.match(text, /asset-9/);
  assert.match(text, /session-1/);
  assert.match(text, /数据表汇总校验/);
  assert.match(text, /SUM/);
});

test('buildSelectedAssetReadInstructions skips download probe when workspace path exists', () => {
  const lines = buildSelectedAssetReadInstructions({
    selectedAssets: [
      {
        id: 'asset-9',
        displayName: 'sales.xlsx',
        mimeType: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        workspaceRelativePath: 'oa/sales.xlsx',
      },
    ],
    h5ApiBase: 'http://127.0.0.1:8081',
    agentSessionId: 'session-1',
  });
  const text = lines.join('\n');
  assert.match(text, /已落盘路径/);
  assert.match(text, /read_file oa\/sales\.xlsx/);
  assert.match(text, /禁止.*list_dir/);
  assert.match(text, /禁止.*重复调用 mindspace_asset_download/);
});

test('buildSelectedAssetDeleteInstructions includes agent delete curl', () => {
  const lines = buildSelectedAssetDeleteInstructions({
    selectedAssets: [
      {
        id: 'asset-9',
        displayName: 'sales.xlsx',
        mimeType: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
      },
    ],
    h5ApiBase: 'http://127.0.0.1:8081',
    agentSessionId: 'session-1',
  });
  const text = lines.join('\n');
  assert.match(text, /完整读写删改权限/);
  assert.match(text, /mindspace_asset_delete/);
  assert.match(text, /asset-9/);
  assert.match(text, /session-1/);
  assert.match(text, /不要让用户自己去界面点删除/);
});

test('applyAgentDelete requires confirmation and valid session', async () => {
  const service = createAssetAgentService({
    assetService: {
      deleteAsset: async () => ({ deleted: true }),
    },
    resolveUserIdForAgentSession: async (sessionId) =>
      sessionId === 'session-1' ? 'user-1' : null,
    resolveWorkspaceRoot: async () => '/tmp/workspace',
  });

  await assert.rejects(
    () => service.applyAgentDelete({ session_id: 'session-1', asset_id: 'asset-9' }),
    (error) => error.code === 'confirmation_required',
  );

  const result = await service.applyAgentDelete({
    session_id: 'session-1',
    asset_id: 'asset-9',
    confirmed: true,
  });
  assert.equal(result.deleted, true);
  assert.equal(result.userId, 'user-1');
});

test('applyAgentDownload materializes asset into workspace oa/', async () => {
  const workspaceRoot = await fs.mkdtemp(path.join(os.tmpdir(), 'asset-agent-'));
  const sourcePath = path.join(workspaceRoot, 'source.xlsx');
  await fs.writeFile(sourcePath, 'excel-bytes');

  const service = createAssetAgentService({
    assetService: {
      readAsset: async () => ({
        asset: {
          id: 'asset-9',
          categoryCode: 'oa',
          filename: 'sales.xlsx',
          displayName: 'sales.xlsx',
          mimeType: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        },
        path: sourcePath,
      }),
    },
    resolveUserIdForAgentSession: async () => 'user-1',
    resolveWorkspaceRoot: async () => workspaceRoot,
  });

  const result = await service.applyAgentDownload({
    session_id: 'session-1',
    asset_id: 'asset-9',
  });
  assert.equal(result.relativePath, 'oa/sales.xlsx');
  const copied = await fs.readFile(path.join(workspaceRoot, 'oa/sales.xlsx'), 'utf8');
  assert.equal(copied, 'excel-bytes');
});

test('materializeAssetsForSession accepts explicit userId', async () => {
  const workspaceRoot = await fs.mkdtemp(path.join(os.tmpdir(), 'asset-agent-'));
  const sourcePath = path.join(workspaceRoot, 'source.csv');
  await fs.writeFile(sourcePath, 'a,b\n1,2');

  const service = createAssetAgentService({
    assetService: {
      readAsset: async (_userId, assetId) => ({
        asset: {
          id: assetId,
          categoryCode: 'oa',
          filename: 'data.csv',
          displayName: 'data.csv',
          mimeType: 'text/csv',
        },
        path: sourcePath,
      }),
    },
    resolveUserIdForAgentSession: async () => null,
    resolveWorkspaceRoot: async () => workspaceRoot,
  });

  const result = await service.materializeAssetsForSession({
    userId: 'user-1',
    assetIds: ['asset-a'],
  });
  assert.equal(result.materialized.length, 1);
  assert.equal(result.materialized[0].relativePath, 'oa/data.csv');
});