import os
from services.nutrition_service import NutritionService
from builder.pdf_builder import NutritionPDFBuilder
from builder.excel_builder import NutritionExcelBuilder


class NutritionReportService:
    def __init__(self):
        base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

        food_db_path = os.path.join(base_dir, "food_db.json")
        config_path = os.path.join(base_dir, "config", "nutrition_template.json")

        self.nutrition_service = NutritionService(food_db_path, config_path)
        self.pdf_builder = NutritionPDFBuilder()
        self.excel_builder = NutritionExcelBuilder()

    def generate_pdf_from_json(self, front_json, output_path):
        report_data = self.nutrition_service.build_report_data(front_json)
        self.pdf_builder.build(report_data, output_path)
        return report_data

    def generate_excel_from_json(self, front_json, output_path):
        report_data = self.nutrition_service.build_report_data(front_json)
        self.excel_builder.build(report_data, output_path)
        return report_data

    def preview_intake(self, front_json):
        return self.nutrition_service.build_intake_preview(front_json)