"""Validation helpers for firewall/dnstranslation - Auto-generated"""

from typing import Any, TypedDict, Literal
from typing_extensions import NotRequired

# Import common validators from central _helpers module
from hfortix_fortios._helpers import (
    validate_enable_disable,
    validate_integer_range,
    validate_string_length,
    validate_port_number,
    validate_ip_address,
    validate_ipv6_address,
    validate_mac_address,
)

# Import central validation functions (avoid duplication across 1,062 files)
from hfortix_fortios._helpers.validation import (
    validate_required_fields as _validate_required_fields,
    validate_enum_field as _validate_enum_field,
    validate_query_parameter as _validate_query_parameter,
)

# ============================================================================
# Required Fields Validation
# Auto-generated from schema
# ============================================================================

# ⚠️  IMPORTANT: FortiOS schemas have known issues with required field marking:

# Do NOT use this list for strict validation - test with the actual FortiOS API!

# Fields marked as required (after filtering false positives)
REQUIRED_FIELDS = [
]

# Fields with defaults (optional)
FIELDS_WITH_DEFAULTS = {
    "id": 0,
    "src": "0.0.0.0",
    "dst": "0.0.0.0",
    "netmask": "255.255.255.255",
}

# ============================================================================
# Deprecated Fields
# Auto-generated from schema - warns users about deprecated fields
# ============================================================================

# Deprecated fields with migration guidance
DEPRECATED_FIELDS = {
}

# ============================================================================
# Field Metadata (Type Information & Descriptions)
# Auto-generated from schema - use for IDE autocomplete and documentation
# ============================================================================

# Field types mapping
FIELD_TYPES = {
    "id": "integer",  # ID.
    "src": "ipv4-address",  # IPv4 address or subnet on the internal network to compare wi
    "dst": "ipv4-address",  # IPv4 address or subnet on the external network to substitute
    "netmask": "ipv4-netmask",  # If src and dst are subnets rather than single IP addresses, 
}

# Field descriptions (help text from FortiOS API)
FIELD_DESCRIPTIONS = {
    "id": "ID.",
    "src": "IPv4 address or subnet on the internal network to compare with the resolved address in DNS query replies. If the resolved address matches, the resolved address is substituted with dst.",
    "dst": "IPv4 address or subnet on the external network to substitute for the resolved address in DNS query replies. Can be single IP address or subnet on the external network, but number of addresses must equal number of mapped IP addresses in src.",
    "netmask": "If src and dst are subnets rather than single IP addresses, enter the netmask for both src and dst.",
}

# Field constraints (string lengths, integer ranges)
FIELD_CONSTRAINTS = {
    "id": {"type": "integer", "min": 0, "max": 4294967295},
}

# Nested schemas (for table/list fields with children)
NESTED_SCHEMAS = {
}


# Valid enum values from API documentation
VALID_QUERY_ACTION = ["default", "schema"]

# ============================================================================
# GET Validation
# ============================================================================


def validate_firewall_dnstranslation_get(
    attr: str | None = None,
    filters: dict[str, Any] | None = None,
    **params: Any,
) -> tuple[bool, str | None]:
    """Validate GET request parameters for firewall/dnstranslation."""
    # Validate query parameters using central function
    if "action" in params:
        is_valid, error = _validate_query_parameter(
            "action",
            params.get("action"),
            VALID_QUERY_ACTION
        )
        if not is_valid:
            return (False, error)

    return (True, None)


# ============================================================================
# POST Validation
# ============================================================================


def validate_firewall_dnstranslation_post(
    payload: dict,
    **params: Any,
) -> tuple[bool, str | None]:
    """Validate POST request to create new firewall/dnstranslation object."""
    # Step 1: Validate required fields using central function
    is_valid, error = _validate_required_fields(
        payload,
        REQUIRED_FIELDS,
        FIELD_DESCRIPTIONS
    )
    if not is_valid:
        return (False, error)

    # Step 2: Validate enum values using central function

    return (True, None)


# ============================================================================
# PUT Validation
# ============================================================================


def validate_firewall_dnstranslation_put(
    payload: dict,
    **params: Any,
) -> tuple[bool, str | None]:
    """Validate PUT request to update firewall/dnstranslation."""
    # Validate enum values using central function

    return (True, None)


# ============================================================================
# Metadata Access Functions
# Imported from central module to avoid duplication across 1,062 files
# Bound to this endpoint's data using functools.partial (saves ~7KB per file)
# ============================================================================

from functools import partial
from hfortix_fortios._helpers.metadata import (
    get_field_description,
    get_field_type,
    get_field_constraints,
    get_field_default,
    get_field_options,
    get_nested_schema,
    get_all_fields,
    get_field_metadata,
    validate_field_value,
)

# Bind module-specific data to central functions using partial application
get_field_description = partial(get_field_description, FIELD_DESCRIPTIONS)
get_field_type = partial(get_field_type, FIELD_TYPES)
get_field_constraints = partial(get_field_constraints, FIELD_CONSTRAINTS)
get_field_default = partial(get_field_default, FIELDS_WITH_DEFAULTS)
get_field_options = partial(get_field_options, globals())
get_nested_schema = partial(get_nested_schema, NESTED_SCHEMAS)
get_all_fields = partial(get_all_fields, FIELD_TYPES)
get_field_metadata = partial(get_field_metadata, FIELD_TYPES, FIELD_DESCRIPTIONS, 
                             FIELD_CONSTRAINTS, FIELDS_WITH_DEFAULTS, REQUIRED_FIELDS,
                             NESTED_SCHEMAS, globals())
validate_field_value = partial(validate_field_value, FIELD_TYPES, FIELD_DESCRIPTIONS,
                               FIELD_CONSTRAINTS, globals())


# ============================================================================
# Schema Information
# Metadata about this endpoint schema
# ============================================================================

SCHEMA_INFO = {
    "endpoint": "firewall/dnstranslation",
    "category": "cmdb",
    "api_path": "firewall/dnstranslation",
    "mkey": "id",
    "mkey_type": "integer",
    "help": "Configure DNS translation.",
    "total_fields": 4,
    "required_fields_count": 0,
    "fields_with_defaults_count": 4,
}


def get_schema_info() -> dict[str, Any]:
    """Get information about this endpoint schema."""
    return SCHEMA_INFO.copy()
