/**
 * C7 regression: All MVP tools registered
 * Validates that BuiltInToolRegistrar registers built-in tools (non-cpp)
 * and that CppToolRegistrar registers cpp.* tools separately.
 *
 * Tests actual ToolRegistry state rather than source text inspection.
 */

import { describe, it, expect } from 'bun:test'
import { ToolRegistry } from '../../src/tools/ToolRegistry.js'
import { BuiltInToolRegistrar } from '../../src/tools/BuiltInToolRegistrar.js'

const registry = new ToolRegistry('/tmp/test-air')
const registrar = new BuiltInToolRegistrar(registry)
registrar.register_all('/tmp/test-air')
const tools = registry.list()

// Built-in tools (non-cpp, registered by BuiltInToolRegistrar)
const BUILTIN_TOOLS = [
  'fs.list', 'fs.read', 'fs.write', 'fs.edit', 'fs.patch', 'fs.stat',
  'shell.run', 'process.kill',
  'git.status', 'git.diff', 'git.worktree.create', 'git.merge_workspace',
  'project.scan', 'project.profile.write',
  'debug.run', 'debug.parse_logs',
  'gui.screenshot', 'network.capture',
  'artifact.create', 'context.assemble',
  'permission.request', 'doctor.run',
]

// cpp tools registered by CppToolRegistrar (tested via RuntimeApp integration)
const CPP_TOOLS = [
  'cpp.detect', 'cpp.configure', 'cpp.build', 'cpp.test',
  'cpp.cppcheck', 'cpp.clangd',
]

describe('C7: MVP tool registrations', () => {
  for (const tool_name of BUILTIN_TOOLS) {
    it(`registers ${tool_name}`, () => {
      const found = tools.find(t => t.name === tool_name)
      expect(found).toBeDefined()
      expect(found?.name).toBe(tool_name)
    })
  }

  it('has at least 22 built-in tools registered', () => {
    expect(tools.length).toBeGreaterThanOrEqual(22)
  })

  it('stub tools produce structured envelope', async () => {
    const stub_names = ['process.kill', 'gui.screenshot', 'network.capture']
    for (const name of stub_names) {
      const tool = tools.find(t => t.name === name)
      expect(tool).toBeDefined()
    }
  })

  it('cpp tools registered via CppToolRegistrar (not BuiltInToolRegistrar)', async () => {
    const { CppToolRegistrar } = await import('@aircoding/toolchain-cpp')
    const cppRegistry = new ToolRegistry('/tmp/test-air-cpp')
    const cppRegistrar = new CppToolRegistrar()
    cppRegistrar.register(cppRegistry, '/tmp/test-air-cpp')
    const cppTools = cppRegistry.list()
    for (const name of CPP_TOOLS) {
      const found = cppTools.find((t: any) => t.name === name)
      expect(found).toBeDefined()
    }
  })

  it('create_stub_definitions and create_real_executor exist', () => {
    expect(typeof (BuiltInToolRegistrar.prototype as any).create_stub_definitions).toBe('function')
    expect(typeof (BuiltInToolRegistrar.prototype as any).create_real_executor).toBe('function')
  })
})