# -*- 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_add(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

    en_input = instruction["inputs"].get("en")
    en_scl = (
        get_scl_representation(en_input, network_id, scl_map, access_map)
        if en_input
        else "TRUE"
    )
    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 en_scl is None or in1_scl is None or in2_scl is None:
        return False

    target_scl = get_target_scl_name(
        instruction, "out", network_id, default_to_temp=True
    )
    if target_scl is None:
        print(f"Error: Sin destino ADD {instr_uid}")
        instruction["scl"] = f"// ERROR: Add {instr_uid} sin destino"
        instruction["type"] += "_error"
        return True

    # 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 es necesario
    op1 = f"({op1})" if " " in op1 and not op1.startswith("(") else op1
    op2 = f"({op2})" if " " in op2 and not op2.startswith("(") else op2

    scl_core = f"{target_scl} := {op1} + {op2};"
    scl_final = (
        f"IF {en_scl} THEN\n  {scl_core}\nEND_IF;" if en_scl != "TRUE" else scl_core
    )

    instruction["scl"] = scl_final
    instruction["type"] = instr_type + SCL_SUFFIX
    map_key_out = (network_id, instr_uid, "out")
    scl_map[map_key_out] = target_scl
    map_key_eno = (network_id, instr_uid, "eno")
    scl_map[map_key_eno] = en_scl
    return True

# --- Function code ends ---

# --- Processor Information Function ---
def get_processor_info():
    """Devuelve la información para el procesador Add."""
    return {'type_name': 'add', 'processor_func': process_add, 'priority': 4}