//! Discovery 匹配器

use async_trait::async_trait;
use crate::DiscoveryError;

/// 匹配器 trait
#[async_trait]
pub trait Matcher: Send + Sync {
    /// 匹配智能体
    async fn match_agents(
        &self,
        query: &str,
        candidates: Vec<serde_json::Value>,
        limit: usize,
    ) -> Result<Vec<MatchResult>, DiscoveryError>;
}

/// 匹配结果
#[derive(Debug, Clone)]
pub struct MatchResult {
    pub aic: String,
    pub skill_id: String,
    pub score: f64,
    pub ranking: usize,
}

/// 简单匹配器实现
pub struct SimpleMatcher;

impl SimpleMatcher {
    pub fn new() -> Self {
        Self
    }
}

#[async_trait]
impl Matcher for SimpleMatcher {
    async fn match_agents(
        &self,
        _query: &str,
        _candidates: Vec<serde_json::Value>,
        _limit: usize,
    ) -> Result<Vec<MatchResult>, DiscoveryError> {
        // TODO: 实现匹配逻辑
        // 1. 解析查询意图
        // 2. 提取关键词
        // 3. 匹配技能标签和描述
        // 4. 计算相似度分数
        // 5. 排序并返回结果
        
        Ok(vec![])
    }
}

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