use axum::{
    routing::{get, post},
    Router,
    Json,
    extract::Path,
};
use serde::{Deserialize, Serialize};

pub fn routes() -> Router {
    Router::new()
        .route("/balance/:address", get(get_balance))
        .route("/transfer", post(transfer))
        .route("/transactions/:address", get(get_transactions))
}

#[derive(Serialize)]
struct BalanceResponse {
    address: String,
    balance: String,
    assets: Vec<AssetBalance>,
}

#[derive(Serialize)]
struct AssetBalance {
    symbol: String,
    amount: String,
}

async fn get_balance(Path(address): Path<String>) -> Json<BalanceResponse> {
    // TODO: 实现真实的余额查询
    Json(BalanceResponse {
        address,
        balance: "1000.00".to_string(),
        assets: vec![
            AssetBalance {
                symbol: "XTZH".to_string(),
                amount: "1000.00".to_string(),
            },
            AssetBalance {
                symbol: "XIC".to_string(),
                amount: "500.00".to_string(),
            },
        ],
    })
}

#[derive(Deserialize)]
struct TransferRequest {
    from: String,
    to: String,
    amount: String,
    asset: String,
}

#[derive(Serialize)]
struct TransferResponse {
    tx_hash: String,
    status: String,
}

async fn transfer(Json(_req): Json<TransferRequest>) -> Json<TransferResponse> {
    // TODO: 实现真实的转账逻辑
    Json(TransferResponse {
        tx_hash: "0x1234567890abcdef".to_string(),
        status: "pending".to_string(),
    })
}

#[derive(Serialize)]
struct Transaction {
    hash: String,
    from: String,
    to: String,
    amount: String,
    asset: String,
    timestamp: i64,
    status: String,
}

async fn get_transactions(Path(address): Path<String>) -> Json<Vec<Transaction>> {
    // TODO: 实现真实的交易历史查询
    Json(vec![
        Transaction {
            hash: "0xabc123".to_string(),
            from: address.clone(),
            to: "nac1...".to_string(),
            amount: "100.00".to_string(),
            asset: "XTZH".to_string(),
            timestamp: 1708012800,
            status: "confirmed".to_string(),
        },
    ])
}