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

const {
  callMock,
  runtimeClientConstructorMock,
  serveOrcaAppMock,
  getDefaultUserDataPathMock,
  addEnvironmentFromPairingCodeMock,
  listEnvironmentsMock,
  spawnMock
} = vi.hoisted(() => ({
  callMock: vi.fn(),
  runtimeClientConstructorMock: vi.fn(),
  serveOrcaAppMock: vi.fn(),
  getDefaultUserDataPathMock: vi.fn(() => '/tmp/orca-user-data'),
  addEnvironmentFromPairingCodeMock: vi.fn(),
  listEnvironmentsMock: vi.fn(),
  spawnMock: vi.fn()
}))

vi.mock('./runtime-client', async () => {
  const { createRuntimeClientModuleMock } = await import('./index-test-harness.js')
  return createRuntimeClientModuleMock({
    callMock,
    runtimeClientConstructorMock,
    serveOrcaAppMock,
    getDefaultUserDataPathMock
  })
})

vi.mock('./runtime/environments', () => ({
  addEnvironmentFromPairingCode: addEnvironmentFromPairingCodeMock,
  listEnvironments: listEnvironmentsMock,
  removeEnvironment: vi.fn(),
  resolveEnvironment: vi.fn()
}))

vi.mock('child_process', async () => {
  const { createChildProcessModuleMock } = await import('./index-test-harness.js')
  return createChildProcessModuleMock(spawnMock)
})

import { main } from './index'
import { buildWorktree, okFixture, queueFixtures, worktreeListFixture } from './test-fixtures'
import { useWorktreeAwarenessEnvironment } from './index-test-harness'

describe('orca cli worktree awareness', () => {
  useWorktreeAwarenessEnvironment({
    callMock,
    serveOrcaAppMock,
    getDefaultUserDataPathMock,
    addEnvironmentFromPairingCodeMock,
    listEnvironmentsMock,
    spawnMock
  })

  it('opts into setup and activation when worktree.create runs hooks', async () => {
    queueFixtures(
      callMock,
      worktreeListFixture([buildWorktree('/tmp/repo', 'main', 'abc', 'repo-1')]),
      okFixture('req_create', {
        worktree: buildWorktree('/tmp/repo/feature', 'feature', 'abc', 'repo-1')
      })
    )
    vi.spyOn(console, 'log').mockImplementation(() => {})

    await main(
      ['worktree', 'create', '--repo', 'id:repo-1', '--name', 'feature', '--run-hooks', '--json'],
      '/tmp/repo'
    )

    expect(callMock).toHaveBeenNthCalledWith(2, 'worktree.create', {
      repo: 'id:repo-1',
      name: 'feature',
      displayName: 'feature',
      displayNameKind: 'user',
      baseBranch: undefined,
      linkedIssue: undefined,
      comment: undefined,
      runHooks: true,
      activate: true,
      // Why: the CLI pairs as a runtime device but has no viewer, so --activate must
      // stay an explicit all-surface reveal rather than caller-scoped navigation.
      navigation: 'all',
      parentWorktree: undefined,
      cwdParentWorktree: 'id:repo-1::/tmp/repo',
      noParent: false,
      callerTerminalHandle: undefined,
      cliProvenanceRequest: {}
    })
  })

  it('starts an agent worktree in the background unless activation is explicit', async () => {
    queueFixtures(
      callMock,
      worktreeListFixture([buildWorktree('/tmp/repo', 'main', 'abc', 'repo-1')]),
      okFixture('req_create', {
        worktree: buildWorktree('/tmp/repo/agent-task', 'agent-task', 'abc', 'repo-1'),
        lineage: null,
        warnings: []
      })
    )
    vi.spyOn(console, 'log').mockImplementation(() => {})

    await main(
      [
        'worktree',
        'create',
        '--repo',
        'id:repo-1',
        '--name',
        'agent-task',
        '--agent',
        'codex',
        '--prompt',
        'hi',
        '--setup',
        'run',
        '--json'
      ],
      '/tmp/repo/src'
    )

    expect(callMock).toHaveBeenNthCalledWith(2, 'worktree.create', {
      repo: 'id:repo-1',
      name: 'agent-task',
      displayName: 'agent-task',
      displayNameKind: 'user',
      baseBranch: undefined,
      linkedIssue: undefined,
      comment: undefined,
      runHooks: false,
      activate: false,
      setupDecision: 'run',
      parentWorktree: undefined,
      cwdParentWorktree: 'id:repo-1::/tmp/repo',
      noParent: false,
      callerTerminalHandle: undefined,
      cliProvenanceRequest: {},
      startupAgent: 'codex',
      startupPrompt: 'hi'
    })
  })

  it('infers the repo and honors explicit activation on worktree.create', async () => {
    queueFixtures(
      callMock,
      worktreeListFixture([buildWorktree('/tmp/repo', 'main', 'abc', 'repo-1')]),
      okFixture('req_create', {
        worktree: buildWorktree('/tmp/repo/agent-task', 'agent-task', 'abc', 'repo-1'),
        lineage: null,
        warnings: []
      })
    )
    vi.spyOn(console, 'log').mockImplementation(() => {})

    await main(
      [
        'worktree',
        'create',
        '--name',
        'agent-task',
        '--agent',
        'codex',
        '--prompt',
        'hi',
        '--activate',
        '--json'
      ],
      '/tmp/repo/src'
    )

    expect(callMock).toHaveBeenNthCalledWith(2, 'worktree.create', {
      repo: 'id:repo-1',
      name: 'agent-task',
      displayName: 'agent-task',
      displayNameKind: 'user',
      baseBranch: undefined,
      linkedIssue: undefined,
      comment: undefined,
      runHooks: false,
      activate: true,
      navigation: 'all',
      parentWorktree: undefined,
      cwdParentWorktree: 'id:repo-1::/tmp/repo',
      noParent: false,
      callerTerminalHandle: undefined,
      cliProvenanceRequest: {},
      startupAgent: 'codex',
      startupPrompt: 'hi'
    })
  })

  it('rejects prompt without agent on worktree.create', async () => {
    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => {})
    const errSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
    const priorExitCode = process.exitCode

    await main(
      ['worktree', 'create', '--repo', 'id:repo-1', '--name', 'child', '--prompt', 'hi', '--json'],
      '/tmp/repo'
    )

    expect(callMock).not.toHaveBeenCalled()
    expect([...logSpy.mock.calls, ...errSpy.mock.calls].flat().join('\n')).toContain(
      '--prompt requires --agent'
    )
    expect(process.exitCode).toBe(1)

    process.exitCode = priorExitCode
  })

  it('rejects unknown agents on worktree.create', async () => {
    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => {})
    const priorExitCode = process.exitCode

    await main(
      ['worktree', 'create', '--repo', 'id:repo-1', '--name', 'child', '--agent', 'wat', '--json'],
      '/tmp/repo'
    )

    expect(callMock).not.toHaveBeenCalled()
    expect(JSON.parse(String(logSpy.mock.calls[0]?.[0]))).toMatchObject({
      ok: false,
      error: {
        code: 'invalid_argument',
        message: 'Unknown TUI agent "wat"'
      }
    })
    expect(process.exitCode).toBe(1)

    process.exitCode = priorExitCode
  })

  it('rejects agent, prompt, and setup flags without values on worktree.create', async () => {
    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => {})
    const errSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
    const priorExitCode = process.exitCode

    await main(
      ['worktree', 'create', '--repo', 'id:repo-1', '--name', 'child', '--agent'],
      '/tmp/repo'
    )
    expect(callMock.mock.calls.some(([method]) => method === 'worktree.create')).toBe(false)
    expect([...logSpy.mock.calls, ...errSpy.mock.calls].flat().join('\n')).toContain(
      'Missing value for --agent'
    )

    callMock.mockClear()
    logSpy.mockClear()
    errSpy.mockClear()
    process.exitCode = priorExitCode

    await main(
      [
        'worktree',
        'create',
        '--repo',
        'id:repo-1',
        '--name',
        'child',
        '--agent',
        'codex',
        '--prompt'
      ],
      '/tmp/repo'
    )
    expect(callMock.mock.calls.some(([method]) => method === 'worktree.create')).toBe(false)
    expect([...logSpy.mock.calls, ...errSpy.mock.calls].flat().join('\n')).toContain(
      'Missing value for --prompt'
    )

    callMock.mockClear()
    logSpy.mockClear()
    errSpy.mockClear()
    process.exitCode = priorExitCode

    await main(
      ['worktree', 'create', '--repo', 'id:repo-1', '--name', 'child', '--setup'],
      '/tmp/repo'
    )
    expect(callMock.mock.calls.some(([method]) => method === 'worktree.create')).toBe(false)
    expect([...logSpy.mock.calls, ...errSpy.mock.calls].flat().join('\n')).toContain(
      'Missing value for --setup'
    )

    process.exitCode = priorExitCode
  })

  it('rejects contradictory setup flags on worktree.create', async () => {
    const logSpy = vi.spyOn(console, 'log').mockImplementation(() => {})
    const errSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
    const priorExitCode = process.exitCode

    await main(
      [
        'worktree',
        'create',
        '--repo',
        'id:repo-1',
        '--name',
        'child',
        '--run-hooks',
        '--setup',
        'skip',
        '--json'
      ],
      '/tmp/repo'
    )

    expect(callMock).not.toHaveBeenCalled()
    expect([...logSpy.mock.calls, ...errSpy.mock.calls].flat().join('\n')).toContain(
      'Choose either --run-hooks or --setup run'
    )
    expect(process.exitCode).toBe(1)

    process.exitCode = priorExitCode
  })
})