# -*- coding: utf-8 -*-
from .processor_utils import get_scl_representation, format_variable_name,get_target_scl_name


# TODO: Import necessary functions from processor_utils
# Example: from .processor_utils import get_scl_representation, format_variable_name
# Or: import processors.processor_utils as utils

# TODO: Define constants if needed (e.g., SCL_SUFFIX) or import them
SCL_SUFFIX = "_scl"

# --- Function code starts ---
def process_eq(instruction, network_id, scl_map, access_map, data):
    instr_uid = instruction["instruction_uid"]
    instr_type = instruction["type"]
    if instr_type.endswith(SCL_SUFFIX) or "_error" in instr_type:
        return False

    in1_info = instruction["inputs"].get("in1")
    in2_info = instruction["inputs"].get("in2")
    in1_scl = get_scl_representation(in1_info, network_id, scl_map, access_map)
    in2_scl = get_scl_representation(in2_info, network_id, scl_map, access_map)

    if in1_scl is None or in2_scl is None:
        return False  # Dependencias no listas

    # Formatear operandos si son variables
    op1 = (
        format_variable_name(in1_scl)
        if in1_info and in1_info.get("type") == "variable"
        else in1_scl
    )
    op2 = (
        format_variable_name(in2_scl)
        if in2_info and in2_info.get("type") == "variable"
        else in2_scl
    )

    # Añadir paréntesis si los operandos contienen espacios (poco probable después de formatear)
    op1 = f"({op1})" if " " in op1 and not op1.startswith("(") else op1
    op2 = f"({op2})" if " " in op2 and not op2.startswith("(") else op2

    comparison_scl = f"{op1} = {op2}"

    # Guardar el resultado booleano de la comparación en el mapa SCL para la salida 'out'
    map_key_out = (network_id, instr_uid, "out")
    scl_map[map_key_out] = comparison_scl

    # Procesar la entrada 'pre' (RLO anterior) para determinar ENO
    pre_input = instruction["inputs"].get("pre")
    pre_scl = (
        "TRUE"
        if pre_input is None
        else get_scl_representation(pre_input, network_id, scl_map, access_map)
    )
    if pre_scl is None:
        return False  # Dependencia 'pre' no lista

    # Guardar el estado de 'pre' como ENO
    map_key_eno = (network_id, instr_uid, "eno")
    scl_map[map_key_eno] = pre_scl

    # El SCL generado es solo un comentario indicando la condición,
    # ya que la lógica se propaga a través de scl_map['out']
    instruction["scl"] = f"// Comparison Eq {instr_uid}: {comparison_scl}"
    instruction["type"] = instr_type + SCL_SUFFIX
    return True

# --- Function code ends ---

# --- Processor Information Function ---
def get_processor_info():
    """Devuelve la información para el comparador de igualdad (EQ)."""
    return {'type_name': 'eq', 'processor_func': process_eq, 'priority': 2}