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 {
  createToolGateway,
  extractToolInstruction,
  hardenAiderLaunchPlan,
  prepareAiderReceiptFile,
  resolveAiderReceiptPath,
} from './tool-gateway.mjs';

test('tool gateway extracts text instructions from H5 message content', () => {
  assert.equal(
    extractToolInstruction({
      content: [
        { type: 'text', text: '第一步' },
        { type: 'image_url', image_url: { url: 'https://example.test/a.png' } },
        { type: 'text', text: '第二步' },
      ],
    }),
    '第一步\n第二步',
  );
});

test('tool gateway is disabled by default and reports protocol', () => {
  const gateway = createToolGateway({ env: {} });
  assert.deepEqual(gateway.getStatus(), {
    enabled: false,
    dryRun: false,
    protocol: 'agent-run-v1',
    executors: ['aider', 'openhands'],
    defaultExecutor: 'aider',
    openhandsTaskTypes: ['repo_refactor', 'multi_file', 'complex_repo', 'page_data_dev_complex'],
  });
});

test('tool gateway selects openhands for configured task types', () => {
  const gateway = createToolGateway({
    env: {
      MEMIND_TOOL_GATEWAY_DEFAULT_EXECUTOR: 'aider',
      MEMIND_TOOL_GATEWAY_OPENHANDS_TASK_TYPES: 'repo_refactor',
    },
  });
  assert.equal(gateway.selectExecutor({ taskType: 'repo_refactor' }), 'openhands');
  assert.equal(gateway.selectExecutor({ taskType: 'small_patch' }), 'aider');
});

test('tool gateway selects openhands for page_data_dev_complex by default', () => {
  const gateway = createToolGateway({ env: {} });
  assert.equal(gateway.selectExecutor({ taskType: 'page_data_dev_complex' }), 'openhands');
});

test('tool gateway honors an explicitly required Aider executor over task defaults', () => {
  const gateway = createToolGateway({ env: {} });
  assert.equal(gateway.selectExecutor({
    taskType: 'page_data_dev_complex',
    userMessage: {
      metadata: {
        memindRun: {
          executor: 'aider',
          selectedChatSkill: 'aider-development',
        },
      },
    },
  }), 'aider');
});

test('tool gateway resolves and prepares the required Aider receipt without pre-validating it', async () => {
  const requestId = 'req-receipt';
  const relativePath = `.memind/agent-runs/${requestId}.json`;
  const userMessage = {
    metadata: {
      memindRun: {
        validation: {
          expectedFile: { path: relativePath, contains: requestId },
        },
      },
    },
  };
  assert.equal(resolveAiderReceiptPath(userMessage, requestId), relativePath);
  const cwd = await fs.mkdtemp(path.join(os.tmpdir(), 'memind-aider-receipt-'));
  try {
    const target = await prepareAiderReceiptFile(cwd, relativePath);
    const pending = JSON.parse(await fs.readFile(target, 'utf8'));
    assert.deepEqual(pending, { status: 'pending', executor: 'aider' });
    assert.equal((await fs.readFile(target, 'utf8')).includes(requestId), false);
  } finally {
    await fs.rm(cwd, { recursive: true, force: true });
  }
});

test('tool gateway hardens Aider against repository commits and includes the receipt', () => {
  const plan = hardenAiderLaunchPlan(
    { ok: true, args: ['--model', 'test-model'] },
    '/tmp/work/.memind/agent-runs/req.json',
    ['/tmp/work/public/order.html'],
  );
  assert.ok(plan.args.includes('--no-git'));
  assert.ok(plan.args.includes('--no-auto-commits'));
  assert.ok(plan.args.includes('--no-dirty-commits'));
  assert.deepEqual(
    plan.args.slice(-2),
    ['--file', '/tmp/work/.memind/agent-runs/req.json'],
  );
  assert.ok(plan.args.includes('/tmp/work/public/order.html'));
});

test('tool gateway dry run builds executor launch plan without spawning', async () => {
  const plans = [];
  const gateway = createToolGateway({
    env: {
      MEMIND_TOOL_GATEWAY_ENABLED: '1',
      MEMIND_TOOL_GATEWAY_DRY_RUN: '1',
      MEMIND_TOOL_GATEWAY_DEFAULT_EXECUTOR: 'aider',
    },
    llmProviderService: {
      async getExecutorLaunchPlan(executor, options) {
        plans.push({ executor, options });
        return {
          ok: true,
          executor,
          cwd: options.cwd,
          command: '/usr/bin/true',
          args: ['--noop'],
        };
      },
    },
  });

  const result = await gateway.executeJob({
    runId: 'run-1',
    requestId: 'req-1',
    userId: 'user-1',
    cwd: '/tmp/work',
    taskType: 'small_patch',
    userMessage: { content: [{ type: 'text', text: 'fix it' }] },
  });

  assert.equal(result.dryRun, true);
  assert.equal(result.executor, 'aider');
  assert.equal(result.command, '/usr/bin/true');
  assert.equal(plans.length, 1);
  assert.equal(plans[0].options.instruction, 'fix it');
});