"""Robot Framework helper for permission system integration tests.

Exposes keyword functions that exercise the permission domain model
and PermissionService from Python so Robot tests can validate
behaviour without importing modules directly in Robot syntax.
"""

from __future__ import annotations

import os
import sys

# Ensure the src directory is on the path for imports
_src = os.path.join(os.path.dirname(__file__), "..", "src")
if _src not in sys.path:
    sys.path.insert(0, _src)

from cleveragents.application.services.permission_service import (  # noqa: E402
    PermissionService,
)
from cleveragents.domain.models.core.permission import (  # noqa: E402
    DEFAULT_LOCAL_ROLE_MAPPING,
    ROLE_PERMISSIONS,
    PermissionAction,
    PermissionRole,
    PermissionScope,
    RoleBinding,
)

_SERVER_MODE_ENV = "CLEVERAGENTS_SERVER_MODE"


def get_permission_roles() -> list[str]:
    """Return all PermissionRole values."""
    return [r.value for r in PermissionRole]


def get_permission_scopes() -> list[str]:
    """Return all PermissionScope values."""
    return [s.value for s in PermissionScope]


def get_permission_actions() -> list[str]:
    """Return all PermissionAction values."""
    return [a.value for a in PermissionAction]


def check_permission_local_mode(
    principal: str, action: str, scope: str, scope_id: str
) -> bool:
    """Run a permission check in local mode and return the result."""
    os.environ.pop(_SERVER_MODE_ENV, None)
    svc = PermissionService()
    check = svc.check_permission(
        principal=principal,
        action=PermissionAction(action),
        scope=PermissionScope(scope),
        scope_id=scope_id,
    )
    return check.result


def check_permission_server_no_bindings(
    principal: str, action: str, scope: str, scope_id: str
) -> bool:
    """Run a permission check in server mode with no bindings."""
    os.environ[_SERVER_MODE_ENV] = "true"
    svc = PermissionService()
    check = svc.check_permission(
        principal=principal,
        action=PermissionAction(action),
        scope=PermissionScope(scope),
        scope_id=scope_id,
    )
    os.environ.pop(_SERVER_MODE_ENV, None)
    return check.result


def check_permission_server_with_binding(
    principal: str,
    role: str,
    action: str,
    scope: str,
    scope_id: str,
) -> bool:
    """Run a permission check in server mode with a specific binding."""
    os.environ[_SERVER_MODE_ENV] = "true"
    binding = RoleBinding(
        principal=principal,
        role=PermissionRole(role),
        scope=PermissionScope(scope),
        scope_id=scope_id,
    )
    svc = PermissionService(bindings=[binding])
    check = svc.check_permission(
        principal=principal,
        action=PermissionAction(action),
        scope=PermissionScope(scope),
        scope_id=scope_id,
    )
    os.environ.pop(_SERVER_MODE_ENV, None)
    return check.result


def get_role_action_count(role: str) -> int:
    """Return the number of allowed actions for a given role."""
    perm_role = PermissionRole(role)
    return len(ROLE_PERMISSIONS[perm_role])


def get_default_local_role() -> str:
    """Return the default local role for the wildcard principal."""
    return str(DEFAULT_LOCAL_ROLE_MAPPING["*"])