|
| 1 | +"""Shared helpers for CLI option validation and normalization.""" |
| 2 | + |
| 3 | +from __future__ import annotations |
| 4 | + |
| 5 | +from pathlib import Path |
| 6 | +from typing import List, Optional, Sequence |
| 7 | + |
| 8 | +import typer |
| 9 | + |
| 10 | +from code_assistant_manager.menu.base import Colors |
| 11 | + |
| 12 | + |
| 13 | +def _emit_error(message: str) -> None: |
| 14 | + """Print a formatted error message and exit.""" |
| 15 | + typer.echo(f"{Colors.RED}✗ {message}{Colors.RESET}") |
| 16 | + raise typer.Exit(1) |
| 17 | + |
| 18 | + |
| 19 | +def _split_values(raw: str) -> List[str]: |
| 20 | + """Split a comma-delimited option string into individual values.""" |
| 21 | + parts = [part.strip() for part in raw.split(",")] |
| 22 | + values = [part for part in parts if part] |
| 23 | + return values or ([raw.strip()] if raw.strip() else []) |
| 24 | + |
| 25 | + |
| 26 | +def resolve_app_targets( |
| 27 | + value: Optional[str], |
| 28 | + valid_apps: Sequence[str], |
| 29 | + *, |
| 30 | + option_label: str = "--app", |
| 31 | + default: Optional[str] = None, |
| 32 | + allow_all: bool = True, |
| 33 | + fallback_to_all_if_none: bool = False, |
| 34 | +) -> List[str]: |
| 35 | + """Resolve an app option into a list of normalized app identifiers.""" |
| 36 | + selection = value if value is not None else default |
| 37 | + if selection is None and fallback_to_all_if_none: |
| 38 | + selection = "all" |
| 39 | + if selection is None: |
| 40 | + _emit_error(f"{option_label} is required") |
| 41 | + |
| 42 | + tokens = _split_values(selection) |
| 43 | + if not tokens: |
| 44 | + _emit_error(f"{option_label} cannot be empty") |
| 45 | + |
| 46 | + resolved: List[str] = [] |
| 47 | + for token in tokens: |
| 48 | + normalized = token.lower() |
| 49 | + if allow_all and normalized == "all": |
| 50 | + return list(valid_apps) |
| 51 | + if normalized not in valid_apps: |
| 52 | + valid_list = ", ".join(valid_apps) |
| 53 | + all_hint = " or 'all'" if allow_all else "" |
| 54 | + _emit_error( |
| 55 | + f"Invalid value '{token}' for {option_label}. Valid: {valid_list}{all_hint}" |
| 56 | + ) |
| 57 | + if normalized not in resolved: |
| 58 | + resolved.append(normalized) |
| 59 | + return resolved |
| 60 | + |
| 61 | + |
| 62 | +def resolve_single_app( |
| 63 | + value: Optional[str], |
| 64 | + valid_apps: Sequence[str], |
| 65 | + *, |
| 66 | + option_label: str = "--app", |
| 67 | + default: Optional[str] = None, |
| 68 | +) -> str: |
| 69 | + """Resolve an app option that must target exactly one app.""" |
| 70 | + apps = resolve_app_targets( |
| 71 | + value, |
| 72 | + valid_apps, |
| 73 | + option_label=option_label, |
| 74 | + default=default, |
| 75 | + allow_all=False, |
| 76 | + ) |
| 77 | + if len(apps) != 1: |
| 78 | + _emit_error(f"{option_label} accepts a single app value") |
| 79 | + return apps[0] |
| 80 | + |
| 81 | + |
| 82 | +def resolve_level_targets( |
| 83 | + value: Optional[str], |
| 84 | + valid_levels: Sequence[str], |
| 85 | + *, |
| 86 | + option_label: str = "--level", |
| 87 | + default: Optional[str] = None, |
| 88 | + allow_all: bool = True, |
| 89 | +) -> List[str]: |
| 90 | + """Resolve a level option into one or more levels.""" |
| 91 | + selection = value if value is not None else default |
| 92 | + if selection is None: |
| 93 | + _emit_error(f"{option_label} is required") |
| 94 | + |
| 95 | + tokens = _split_values(selection) |
| 96 | + if not tokens: |
| 97 | + _emit_error(f"{option_label} cannot be empty") |
| 98 | + |
| 99 | + resolved: List[str] = [] |
| 100 | + for token in tokens: |
| 101 | + normalized = token.lower() |
| 102 | + if allow_all and normalized == "all": |
| 103 | + return list(valid_levels) |
| 104 | + if normalized not in valid_levels: |
| 105 | + valid_list = ", ".join(valid_levels) |
| 106 | + all_hint = " or 'all'" if allow_all else "" |
| 107 | + _emit_error( |
| 108 | + f"Invalid value '{token}' for {option_label}. Valid: {valid_list}{all_hint}" |
| 109 | + ) |
| 110 | + if normalized not in resolved: |
| 111 | + resolved.append(normalized) |
| 112 | + return resolved |
| 113 | + |
| 114 | + |
| 115 | +def resolve_single_level( |
| 116 | + value: Optional[str], |
| 117 | + valid_levels: Sequence[str], |
| 118 | + *, |
| 119 | + option_label: str = "--level", |
| 120 | + default: Optional[str] = None, |
| 121 | +) -> str: |
| 122 | + """Resolve a level option that must target exactly one level.""" |
| 123 | + levels = resolve_level_targets( |
| 124 | + value, |
| 125 | + valid_levels, |
| 126 | + option_label=option_label, |
| 127 | + default=default, |
| 128 | + allow_all=False, |
| 129 | + ) |
| 130 | + if len(levels) != 1: |
| 131 | + _emit_error(f"{option_label} accepts a single level value") |
| 132 | + return levels[0] |
| 133 | + |
| 134 | + |
| 135 | +def ensure_project_dir(level: str, project_dir: Optional[Path]) -> Optional[Path]: |
| 136 | + """Ensure a project directory exists when required for the provided level.""" |
| 137 | + if level == "project" and project_dir is None: |
| 138 | + return Path.cwd() |
| 139 | + return project_dir |
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