"""Validation helpers for wireless_controller/hotspot20/h2qp_wan_metric - Auto-generated"""

from typing import Any, TypedDict, NotRequired, Literal

# 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,
)

# ============================================================================
# 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 = {
    "name": "",
    "link-status": "up",
    "symmetric-wan-link": "asymmetric",
    "link-at-capacity": "disable",
    "uplink-speed": 2400,
    "downlink-speed": 2400,
    "uplink-load": 0,
    "downlink-load": 0,
    "load-measurement-duration": 0,
}

# ============================================================================
# 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 = {
    "name": "string",  # WAN metric name.
    "link-status": "option",  # Link status.
    "symmetric-wan-link": "option",  # WAN link symmetry.
    "link-at-capacity": "option",  # Link at capacity.
    "uplink-speed": "integer",  # Uplink speed (in kilobits/s).
    "downlink-speed": "integer",  # Downlink speed (in kilobits/s).
    "uplink-load": "integer",  # Uplink load.
    "downlink-load": "integer",  # Downlink load.
    "load-measurement-duration": "integer",  # Load measurement duration (in tenths of a second).
}

# Field descriptions (help text from FortiOS API)
FIELD_DESCRIPTIONS = {
    "name": "WAN metric name.",
    "link-status": "Link status.",
    "symmetric-wan-link": "WAN link symmetry.",
    "link-at-capacity": "Link at capacity.",
    "uplink-speed": "Uplink speed (in kilobits/s).",
    "downlink-speed": "Downlink speed (in kilobits/s).",
    "uplink-load": "Uplink load.",
    "downlink-load": "Downlink load.",
    "load-measurement-duration": "Load measurement duration (in tenths of a second).",
}

# Field constraints (string lengths, integer ranges)
FIELD_CONSTRAINTS = {
    "name": {"type": "string", "max_length": 35},
    "uplink-speed": {"type": "integer", "min": 0, "max": 4294967295},
    "downlink-speed": {"type": "integer", "min": 0, "max": 4294967295},
    "uplink-load": {"type": "integer", "min": 0, "max": 255},
    "downlink-load": {"type": "integer", "min": 0, "max": 255},
    "load-measurement-duration": {"type": "integer", "min": 0, "max": 65535},
}

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


# Valid enum values from API documentation
VALID_BODY_LINK_STATUS = [
    "up",  # Link up.
    "down",  # Link down.
    "in-test",  # Link in test state.
]
VALID_BODY_SYMMETRIC_WAN_LINK = [
    "symmetric",  # Symmetric WAN link (uplink and downlink speeds are the same).
    "asymmetric",  # Asymmetric WAN link (uplink and downlink speeds are not the same).
]
VALID_BODY_LINK_AT_CAPACITY = [
    "enable",  # Link at capacity (not allow additional mobile devices to associate).
    "disable",  # Link not at capacity (allow additional mobile devices to associate).
]
VALID_QUERY_ACTION = ["default", "schema"]

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


def validate_wireless_controller_hotspot20_h2qp_wan_metric_get(
    attr: str | None = None,
    filters: dict[str, Any] | None = None,
    **params: Any,
) -> tuple[bool, str | None]:
    """Validate GET request parameters for wireless_controller/hotspot20/h2qp_wan_metric."""
    # Validate query parameters if present
    if "action" in params:
        value = params.get("action")
        if value and value not in VALID_QUERY_ACTION:
            return (
                False,
                f"Invalid query parameter 'action'='{value}'. Must be one of: {', '.join(VALID_QUERY_ACTION)}",
            )

    return (True, None)


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


def validate_required_fields(payload: dict) -> tuple[bool, str | None]:
    """Validate required fields for wireless_controller/hotspot20/h2qp_wan_metric."""
    # Check always-required fields
    missing_fields = []
    for field in REQUIRED_FIELDS:
        if field not in payload:
            missing_fields.append(field)
    
    if missing_fields:
        # Build enhanced error message
        error_parts = [f"Missing required field(s): {', '.join(missing_fields)}"]
        
        # Add descriptions for first few missing fields
        for field in missing_fields[:3]:
            desc = FIELD_DESCRIPTIONS.get(field)
            if desc:
                error_parts.append(f"  • {field}: {desc}")
        
        if len(missing_fields) > 3:
            error_parts.append(f"  ... and {len(missing_fields) - 3} more")
        
        return (False, "\n".join(error_parts))

    return (True, None)


def validate_wireless_controller_hotspot20_h2qp_wan_metric_post(
    payload: dict,
    **params: Any,
) -> tuple[bool, str | None]:
    """Validate POST request to create new wireless_controller/hotspot20/h2qp_wan_metric object."""
    # Step 1: Validate required fields
    is_valid, error = validate_required_fields(payload)
    if not is_valid:
        return (False, error)

    # Step 2: Validate enum values
    if "link-status" in payload:
        value = payload["link-status"]
        if value not in VALID_BODY_LINK_STATUS:
            desc = FIELD_DESCRIPTIONS.get("link-status", "")
            error_msg = f"Invalid value for 'link-status': '{value}'"
            if desc:
                error_msg += f"\n  → Description: {desc}"
            error_msg += f"\n  → Valid options: {', '.join(repr(v) for v in VALID_BODY_LINK_STATUS)}"
            error_msg += f"\n  → Example: link-status='{{ VALID_BODY_LINK_STATUS[0] }}'"
            return (False, error_msg)
    if "symmetric-wan-link" in payload:
        value = payload["symmetric-wan-link"]
        if value not in VALID_BODY_SYMMETRIC_WAN_LINK:
            desc = FIELD_DESCRIPTIONS.get("symmetric-wan-link", "")
            error_msg = f"Invalid value for 'symmetric-wan-link': '{value}'"
            if desc:
                error_msg += f"\n  → Description: {desc}"
            error_msg += f"\n  → Valid options: {', '.join(repr(v) for v in VALID_BODY_SYMMETRIC_WAN_LINK)}"
            error_msg += f"\n  → Example: symmetric-wan-link='{{ VALID_BODY_SYMMETRIC_WAN_LINK[0] }}'"
            return (False, error_msg)
    if "link-at-capacity" in payload:
        value = payload["link-at-capacity"]
        if value not in VALID_BODY_LINK_AT_CAPACITY:
            desc = FIELD_DESCRIPTIONS.get("link-at-capacity", "")
            error_msg = f"Invalid value for 'link-at-capacity': '{value}'"
            if desc:
                error_msg += f"\n  → Description: {desc}"
            error_msg += f"\n  → Valid options: {', '.join(repr(v) for v in VALID_BODY_LINK_AT_CAPACITY)}"
            error_msg += f"\n  → Example: link-at-capacity='{{ VALID_BODY_LINK_AT_CAPACITY[0] }}'"
            return (False, error_msg)

    return (True, None)


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


def validate_wireless_controller_hotspot20_h2qp_wan_metric_put(
    payload: dict,
    **params: Any,
) -> tuple[bool, str | None]:
    """Validate PUT request to update wireless_controller/hotspot20/h2qp_wan_metric."""
    # Step 1: Validate enum values
    if "link-status" in payload:
        value = payload["link-status"]
        if value not in VALID_BODY_LINK_STATUS:
            return (
                False,
                f"Invalid value for 'link-status'='{value}'. Must be one of: {', '.join(VALID_BODY_LINK_STATUS)}",
            )
    if "symmetric-wan-link" in payload:
        value = payload["symmetric-wan-link"]
        if value not in VALID_BODY_SYMMETRIC_WAN_LINK:
            return (
                False,
                f"Invalid value for 'symmetric-wan-link'='{value}'. Must be one of: {', '.join(VALID_BODY_SYMMETRIC_WAN_LINK)}",
            )
    if "link-at-capacity" in payload:
        value = payload["link-at-capacity"]
        if value not in VALID_BODY_LINK_AT_CAPACITY:
            return (
                False,
                f"Invalid value for 'link-at-capacity'='{value}'. Must be one of: {', '.join(VALID_BODY_LINK_AT_CAPACITY)}",
            )

    return (True, None)


# ============================================================================
# Metadata Access Functions
# Imported from central module to avoid duplication across 1,062 files
# ============================================================================

from hfortix_fortios._helpers.metadata import (
    get_field_description as _get_field_description,
    get_field_type as _get_field_type,
    get_field_constraints as _get_field_constraints,
    get_field_default as _get_field_default,
    get_field_options as _get_field_options,
    get_nested_schema as _get_nested_schema,
    get_all_fields as _get_all_fields,
    get_field_metadata as _get_field_metadata,
    validate_field_value as _validate_field_value,
)

# Wrapper functions that bind module-specific data to central functions
def get_field_description(field_name: str) -> str | None:
    """Get description/help text for a field."""
    return _get_field_description(FIELD_DESCRIPTIONS, field_name)

def get_field_type(field_name: str) -> str | None:
    """Get the type of a field."""
    return _get_field_type(FIELD_TYPES, field_name)

def get_field_constraints(field_name: str) -> dict[str, Any] | None:
    """Get constraints for a field (min/max values, string length)."""
    return _get_field_constraints(FIELD_CONSTRAINTS, field_name)

def get_field_default(field_name: str) -> Any | None:
    """Get default value for a field."""
    return _get_field_default(FIELDS_WITH_DEFAULTS, field_name)

def get_field_options(field_name: str) -> list[str] | None:
    """Get valid enum options for a field."""
    return _get_field_options(globals(), field_name)

def get_nested_schema(field_name: str) -> dict[str, Any] | None:
    """Get schema for nested table/list fields."""
    return _get_nested_schema(NESTED_SCHEMAS, field_name)

def get_all_fields() -> list[str]:
    """Get list of all field names."""
    return _get_all_fields(FIELD_TYPES)

def get_field_metadata(field_name: str) -> dict[str, Any] | None:
    """Get complete metadata for a field (type, description, constraints, defaults, options)."""
    return _get_field_metadata(
        FIELD_TYPES, FIELD_DESCRIPTIONS, FIELD_CONSTRAINTS,
        FIELDS_WITH_DEFAULTS, REQUIRED_FIELDS, NESTED_SCHEMAS,
        globals(), field_name
    )

def validate_field_value(field_name: str, value: Any) -> tuple[bool, str | None]:
    """Validate a single field value against its constraints."""
    return _validate_field_value(
        FIELD_TYPES, FIELD_DESCRIPTIONS, FIELD_CONSTRAINTS,
        globals(), field_name, value
    )


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

SCHEMA_INFO = {
    "endpoint": "wireless_controller/hotspot20/h2qp_wan_metric",
    "category": "cmdb",
    "api_path": "wireless-controller.hotspot20/h2qp-wan-metric",
    "mkey": "name",
    "mkey_type": "string",
    "help": "Configure WAN metrics.",
    "total_fields": 9,
    "required_fields_count": 0,
    "fields_with_defaults_count": 9,
}


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