//! NAC宪法条款模块
//! 定义和管理NAC宪法条款

use nac_udm::primitives::Hash;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ConstitutionalClause {
    pub clause_index: u64,
    pub title: String,
    pub content: String,
    pub clause_hash: Hash,
    pub effective_from: u64,
    pub tier: ClauseTier,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
pub enum ClauseTier {
    Eternal,    // 永恒级
    Strategic,  // 战略级
    Tactical,   // 战术级
}

pub struct ConstitutionRegistry {
    clauses: HashMap<u64, ConstitutionalClause>,
}

impl ConstitutionRegistry {
    pub fn new() -> Self {
        Self {
            clauses: HashMap::new(),
        }
    }

    pub fn add_clause(&mut self, clause: ConstitutionalClause) {
        self.clauses.insert(clause.clause_index, clause);
    }

    pub fn get_clause(&self, index: u64) -> Option<&ConstitutionalClause> {
        self.clauses.get(&index)
    }
}

impl Default for ConstitutionRegistry {
    fn default() -> Self {
        Self::new()
    }
}