Feature: Permission Question Widget
  As a TUI user
  I want an inline permission question widget
  So that I can allow or reject single-file operations without leaving the conversation stream

  Background:
    Given the permission question widget module is imported

  # ── Domain model ──────────────────────────────────────────────────────────

  Scenario: Create InlinePermissionQuestion with file path and type
    When I create an InlinePermissionQuestion for "src/auth/handler.py" with type "file_write"
    Then the question file path should be "src/auth/handler.py"
    And the question request type should be "file_write"
    And the question has_diff should be False

  Scenario: InlinePermissionQuestion with diff content
    Given an InlinePermissionQuestion for "src/main.py" with type "file_write" and diff "@@ -1,3 +1,4 @@\n+import os"
    Then the question has_diff should be True

  Scenario: InlinePermissionQuestion description_line for file_write
    When I create an InlinePermissionQuestion for "src/auth/handler.py" with type "file_write"
    Then the description line should contain "write to"

  Scenario: InlinePermissionQuestion description_line for file_delete
    When I create an InlinePermissionQuestion for "src/old.py" with type "file_delete"
    Then the description line should contain "delete"

  Scenario: InlinePermissionQuestion description_line for shell_exec
    When I create an InlinePermissionQuestion for "make test" with type "shell_exec"
    Then the description line should contain "execute"

  # ── Widget creation ───────────────────────────────────────────────────────

  Scenario: Widget creation renders permission request
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    Then the widget text should contain "Permission Required"
    And the widget text should contain "src/auth/handler.py"
    And the widget text should contain "Allow once"
    And the widget text should contain "Reject once"

  Scenario: Widget creation shows diff hint when no diff
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    Then the widget text should contain "PermissionsScreen"

  Scenario: Widget creation with diff content shows diff hint
    Given a PermissionQuestionWidget for "src/main.py" with type "file_write" and diff "@@ -1 +1 @@\n+x=1"
    Then the widget text should contain "PermissionsScreen"

  Scenario: Widget creation with diff content renders diff by default
    Given a PermissionQuestionWidget for "src/main.py" with type "file_write" and diff "@@ -1 +1 @@\n+x=1"
    Then the widget text should contain "── diff ──"
    And the widget text should contain "+x=1"
    And the widget show_diff property should be True

  Scenario: Widget diff visibility can be toggled off
    Given a PermissionQuestionWidget for "src/main.py" with type "file_write" and diff "@@ -1 +1 @@\n+x=1"
    When I set the widget show_diff flag to False
    Then the widget text should not contain "── diff ──"
    And the widget show_diff property should be False

  Scenario: Widget diff visibility can be toggled on after hiding
    Given a PermissionQuestionWidget for "src/main.py" with type "file_write" and diff "@@ -1 +1 @@\n+x=1"
    When I set the widget show_diff flag to False
    And I set the widget show_diff flag to True
    Then the widget text should contain "── diff ──"
    And the widget show_diff property should be True

  Scenario: Widget show_diff property stays False without diff content
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    Then the widget show_diff property should be False
    When I set the widget show_diff flag to True
    Then the widget show_diff property should be False

  # ── Allow action ──────────────────────────────────────────────────────────

  Scenario: Allow once via key "a"
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "a" on the widget
    Then a PermissionDecisionEvent should be returned
    And the decision should be "allow_once"

  Scenario: Allow always via key "A"
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "A" on the widget
    Then a PermissionDecisionEvent should be returned
    And the decision should be "allow_always"

  Scenario: Allow once via enter on first option
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "enter" on the widget
    Then a PermissionDecisionEvent should be returned
    And the decision should be "allow_once"

  # ── Reject action ─────────────────────────────────────────────────────────

  Scenario: Reject once via key "r"
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "r" on the widget
    Then a PermissionDecisionEvent should be returned
    And the decision should be "reject_once"

  Scenario: Reject always via key "R"
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "R" on the widget
    Then a PermissionDecisionEvent should be returned
    And the decision should be "reject_always"

  # ── Navigation ────────────────────────────────────────────────────────────

  Scenario: Navigate down moves selection
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "down" on the widget
    Then the widget selected index should be 1
    And no decision event should be returned

  Scenario: Navigate up wraps around
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "up" on the widget
    Then the widget selected index should be 3

  Scenario: Navigate down then enter selects second option
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "down" on the widget
    And I press key "enter" on the widget
    Then a PermissionDecisionEvent should be returned
    And the decision should be "allow_always"

  Scenario: Navigate down twice then enter selects third option
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "down" on the widget
    And I press key "down" on the widget
    And I press key "enter" on the widget
    Then a PermissionDecisionEvent should be returned
    And the decision should be "reject_once"

  # ── Open full screen ──────────────────────────────────────────────────────

  Scenario: Press v sets open_full_screen flag
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "v" on the widget
    Then the open_full_screen flag should be True
    And no decision event should be returned

  # ── Unknown key ───────────────────────────────────────────────────────────

  Scenario: Unknown key returns None
    When I create a PermissionQuestionWidget for "src/auth/handler.py" with type "file_write"
    And I press key "x" on the widget
    Then no decision event should be returned

  # ── Inline rendering in conversation ─────────────────────────────────────

  Scenario: render_permission_question returns correct structure
    When I render a permission question for "src/auth/handler.py" with type "file_write"
    Then the permission question rendered text should contain "Permission Required"
    And the permission question rendered text should contain "src/auth/handler.py"
    And the permission question rendered text should contain "Allow once"

  Scenario: render_permission_question with selected_index 2 highlights third option
    When I render a permission question for "src/auth/handler.py" with type "file_write" at index 2
    Then the permission question rendered text should contain "Reject once"

  Scenario: render_permission_question with diff shows diff content when show_diff is True
    Given a permission question for "src/main.py" with type "file_write" and diff "+import os" rendered at index 0 with show_diff
    Then the permission question rendered text should contain "+import os"

  # ── Widget exports ────────────────────────────────────────────────────────

  Scenario: PermissionQuestionWidget is exported from tui.widgets
    Then PermissionQuestionWidget should be importable from tui.widgets
    And PermissionDecisionEvent should be importable from tui.widgets
    And render_permission_question should be importable from tui.widgets

  # ── Domain model exports ──────────────────────────────────────────────────

  Scenario: InlinePermissionQuestion is exported from domain.models.core
    Then InlinePermissionQuestion should be importable from domain.models.core
    And PermissionDecision should be importable from domain.models.core
    And PermissionRequestType should be importable from domain.models.core