# manifest_generator.py

import os
import json
import logging

# Caminhos relativos baseados na raiz do projeto passada como argumento
from utils import CONFIGS, scan_directory_list, scan_directory_tree


def generate_manifests(project_root_path):
    """
    Gera os manifestos e retorna um dicionário com estatísticas.
    """
    logging.info("=== Iniciando Geração de Manifestos (Pós-Processamento) ===")

    # Estrutura para o relatório
    report = {"generated": [], "failed": []}

    for config in CONFIGS:
        source_dir_abs = os.path.join(project_root_path, config["source_dir"])
        output_file_abs = os.path.join(project_root_path, config["output_file"])
        scan_type = config["scan_type"]

        if not os.path.isdir(source_dir_abs):
            logging.warning(f"Diretório fonte não encontrado: {source_dir_abs}")
            report["failed"].append(f"{config['output_file']} (Fonte ausente)")
            continue

        result_data = None
        try:
            if scan_type == "tree":
                result_data = scan_directory_tree(source_dir_abs)
            elif scan_type == "list":
                extensions = config.get("extensions", [])
                result_data = scan_directory_list(source_dir_abs, extensions)

            if result_data is not None:
                output_dir = os.path.dirname(output_file_abs)
                os.makedirs(output_dir, exist_ok=True)

                with open(output_file_abs, "w", encoding="utf-8") as f:
                    json.dump(result_data, f, indent=2, ensure_ascii=False)

                logging.info(f"Manifesto salvo: {output_file_abs}")
                report["generated"].append(config["output_file"])

        except Exception as e:
            logging.error(f"Erro ao gerar {config['output_file']}: {e}")
            report["failed"].append(f"{config['output_file']} (Erro: {str(e)})")

    return report