//! Construction Products (EU CPR 2024/3110, mandate ~2028-2032 phased).
use serde::{Deserialize, Serialize};
/// Construction products sector data for EU CPR 2024/3110 compliance.
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "camelCase")]
pub struct ConstructionData {
/// 14-digit GTIN identifying the construction product.
pub gtin: String,
/// Product family, e.g. `"cement"`, `"concrete"`, `"structural-steel"`, `"glass"`.
pub product_family: String,
/// ISO 3166-1 alpha-2 country of manufacture.
pub country_of_manufacture: String,
/// Carbon footprint in kg CO₂e per functional unit.
pub co2e_per_functional_unit_kg: f64,
/// Description of the functional unit (e.g., `"per tonne"`, `"per m²"`, `"per m³"`).
pub functional_unit: String,
/// Recycled content as a percentage of total input material (0.0–100.0).
#[serde(skip_serializing_if = "Option::is_none")]
pub recycled_content_pct: Option<f64>,
/// URL to the Environmental Product Declaration (EPD).
#[serde(skip_serializing_if = "Option::is_none")]
pub epd_url: Option<String>,
/// Whether the product carries CE marking under EU CPR.
#[serde(skip_serializing_if = "Option::is_none")]
pub ce_marking: Option<bool>,
}