"""Helper script for validation_attach_named_options.robot E2E tests.

Each subcommand is a self-contained check that prints a sentinel on success.
Tests that ``agents validation attach`` accepts ``--key value`` named option
format for extra validation arguments, as required by the spec.
"""

from __future__ import annotations

import sys
from collections.abc import Callable
from pathlib import Path
from unittest.mock import MagicMock, patch

# Ensure local source tree is importable
_SRC = str(Path(__file__).resolve().parents[1] / "src")
if _SRC not in sys.path:
    sys.path.insert(0, _SRC)

from helpers_common import reset_global_state  # noqa: E402
from typer.testing import CliRunner  # noqa: E402

from cleveragents.cli.commands.validation import app as validation_app  # noqa: E402

runner = CliRunner()

_ATTACHMENT_ULID = "01NAMEDOPT000000000000001"


def _make_mock_attachment(validation_name: str, resource_id: str) -> MagicMock:
    """Create a mock attachment object."""
    mock_attachment = MagicMock()
    mock_attachment.attachment_id = _ATTACHMENT_ULID
    mock_attachment.validation_name = validation_name
    mock_attachment.resource_id = resource_id
    mock_attachment.mode = "required"
    mock_attachment.project_name = None
    mock_attachment.plan_id = None
    mock_attachment.created_at = "2026-01-01T00:00:00"
    return mock_attachment


# ---------------------------------------------------------------------------
# Subcommands
# ---------------------------------------------------------------------------


def attach_with_coverage_threshold() -> None:
    """Verify that --coverage-threshold 90 named option is accepted and forwarded."""
    mock_svc = MagicMock()
    mock_svc.attach_validation.return_value = _make_mock_attachment(
        "local/coverage-check", "git-checkout/my-repo"
    )
    with patch(
        "cleveragents.cli.commands.validation._get_tool_registry_service",
        return_value=mock_svc,
    ):
        result = runner.invoke(
            validation_app,
            [
                "attach",
                "git-checkout/my-repo",
                "local/coverage-check",
                "--coverage-threshold",
                "90",
                "--format",
                "plain",
            ],
        )

    if result.exit_code != 0:
        print(
            f"FAIL: exit={result.exit_code} output={result.output!r} "
            f"exception={result.exception!r}"
        )
        sys.exit(1)

    # Verify the service received the correct args dict
    call_kwargs = mock_svc.attach_validation.call_args
    if call_kwargs is None:
        print("FAIL: attach_validation was not called")
        sys.exit(1)

    args_dict = call_kwargs.kwargs.get("args") or {}
    if args_dict.get("coverage_threshold") != "90":
        print(f"FAIL: expected args={{'coverage_threshold': '90'}}, got {args_dict!r}")
        sys.exit(1)

    print("validation-attach-named-option-coverage-threshold-ok")


def attach_with_multiple_named_options() -> None:
    """Verify that multiple --key value named options are all forwarded."""
    mock_svc = MagicMock()
    mock_svc.attach_validation.return_value = _make_mock_attachment(
        "local/lint-check", "git-checkout/my-repo"
    )
    with patch(
        "cleveragents.cli.commands.validation._get_tool_registry_service",
        return_value=mock_svc,
    ):
        result = runner.invoke(
            validation_app,
            [
                "attach",
                "git-checkout/my-repo",
                "local/lint-check",
                "--threshold",
                "70",
                "--strict",
                "true",
                "--format",
                "plain",
            ],
        )

    if result.exit_code != 0:
        print(
            f"FAIL: exit={result.exit_code} output={result.output!r} "
            f"exception={result.exception!r}"
        )
        sys.exit(1)

    call_kwargs = mock_svc.attach_validation.call_args
    if call_kwargs is None:
        print("FAIL: attach_validation was not called")
        sys.exit(1)

    args_dict = call_kwargs.kwargs.get("args") or {}
    if args_dict.get("threshold") != "70":
        print(f"FAIL: expected threshold='70', got {args_dict!r}")
        sys.exit(1)
    if args_dict.get("strict") != "true":
        print(f"FAIL: expected strict='true', got {args_dict!r}")
        sys.exit(1)

    print("validation-attach-named-option-multiple-ok")


def attach_without_extra_args() -> None:
    """Verify that attach without extra named options still works."""
    mock_svc = MagicMock()
    mock_svc.attach_validation.return_value = _make_mock_attachment(
        "local/basic-check", "git-checkout/my-repo"
    )
    with patch(
        "cleveragents.cli.commands.validation._get_tool_registry_service",
        return_value=mock_svc,
    ):
        result = runner.invoke(
            validation_app,
            [
                "attach",
                "git-checkout/my-repo",
                "local/basic-check",
                "--format",
                "plain",
            ],
        )

    if result.exit_code != 0:
        print(
            f"FAIL: exit={result.exit_code} output={result.output!r} "
            f"exception={result.exception!r}"
        )
        sys.exit(1)

    print("validation-attach-named-option-no-extra-args-ok")


def attach_with_positional_key_value_rejected() -> None:
    """Verify that old-style positional key=value format is rejected."""
    mock_svc = MagicMock()
    mock_svc.attach_validation.return_value = _make_mock_attachment(
        "local/coverage-check", "git-checkout/my-repo"
    )
    with patch(
        "cleveragents.cli.commands.validation._get_tool_registry_service",
        return_value=mock_svc,
    ):
        result = runner.invoke(
            validation_app,
            [
                "attach",
                "git-checkout/my-repo",
                "local/coverage-check",
                "coverage-threshold=90",
                "--format",
                "plain",
            ],
        )

    # Must be rejected (non-zero exit) and output must mention "Invalid argument format"
    if result.exit_code != 0 and "Invalid argument format" in result.output:
        print("validation-attach-positional-key-value-rejected-ok")
    else:
        print(
            f"FAIL: exit={result.exit_code} "
            f"output={result.output!r} "
            f"(expected non-zero exit and 'Invalid argument format' in output)"
        )
        sys.exit(1)


# ---------------------------------------------------------------------------
# Dispatcher
# ---------------------------------------------------------------------------

_COMMANDS: dict[str, Callable[[], None]] = {
    "attach-with-coverage-threshold": attach_with_coverage_threshold,
    "attach-with-multiple-named-options": attach_with_multiple_named_options,
    "attach-without-extra-args": attach_without_extra_args,
    "attach-with-positional-key-value-rejected": (
        attach_with_positional_key_value_rejected
    ),
}

if __name__ == "__main__":
    if len(sys.argv) < 2 or sys.argv[1] not in _COMMANDS:
        print(f"Usage: {sys.argv[0]} <{'|'.join(_COMMANDS)}>")
        sys.exit(1)
    reset_global_state()
    fn = _COMMANDS[sys.argv[1]]
    fn()