anya-core 1.2.0

use std::error::Error;
use serde::{Serialize, Deserialize};
use std::collections::HashMap;

#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct DlcConfig {
    pub oracle_url: String,
    pub contract_type: DlcContractType,
    pub settlement_address: String,
    pub collateral: u64,
    pub event_descriptor: EventDescriptor,
    pub payout_curve: PayoutCurve,
    pub oracle_event_id: String,
    pub oracle_event_type: OracleEventType,
    pub outcome_domain: Vec<String>,
    pub base_point: (f64, f64),
    pub slope: f64,
    pub intercept: f64,
}

#[derive(Serialize, Deserialize, Debug, Clone)]
pub enum DlcContractType {
    Binary,
    Continuous,
    Discrete,
}

#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct EventDescriptor {
    pub event_id: String,
    pub event_type: EventType,
    pub outcome_domain: Vec<String>,
}

#[derive(Serialize, Deserialize, Debug, Clone)]
pub enum EventType {
    Binary,
    PriceFeed,
    Sports,
    Election,
}

#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct PayoutCurve {
    pub base_point: (f64, f64),
    pub slope: f64,
    pub intercept: f64,
}

#[derive(Serialize, Deserialize, Debug, Clone)]
pub enum OracleEventType {
    PriceFeed,
    Sports,
    Election,
}

impl Default for DlcConfig {
    fn default() -> Self {
        Self {
            oracle_url: "https://oracle.example.com".to_string(),
            contract_type: DlcContractType::Continuous,
            settlement_address: "bc1q...".to_string(),
            collateral: 1000000, // 0.01 BTC
            event_descriptor: EventDescriptor {
                event_id: "event_123".to_string(),
                event_type: EventType::PriceFeed,
                outcome_domain: vec!["0-100".to_string()],
            },
            payout_curve: PayoutCurve {
                base_point: (50.0, 0.5),
                slope: 0.01,
                intercept: 0.0,
            },
            oracle_event_id: "oracle_event_123".to_string(),
            oracle_event_type: OracleEventType::PriceFeed,
            outcome_domain: vec!["0-100".to_string()],
            base_point: (50.0, 0.5),
            slope: 0.01,
            intercept: 0.0,
        }
    }
}

pub struct DlcManager {
    config: DlcConfig,
    oracle_client: OracleClient,
    contract_manager: ContractManager,
}

impl DlcManager {
    pub fn new(config: DlcConfig) -> Self {
        let oracle_client = OracleClient::new(&config.oracle_url);
        let contract_manager = ContractManager::new();
        Self {
            config,
            oracle_client,
            contract_manager,
        }
    }

    pub fn create_contract(&self) -> Result<DlcContract, DlcError> {
        let oracle_info = self.oracle_client.get_event_info(&self.config.oracle_event_id)?;
        let contract = self.contract_manager.create_contract(
            &self.config.settlement_address,
            self.config.collateral,
            oracle_info,
            &self.config.payout_curve,
        )?;
        Ok(contract)
    }

    pub fn sign_contract(&self, contract: &DlcContract) -> Result<DlcContract, DlcError> {
        self.contract_manager.sign_contract(contract)
    }

    pub fn broadcast_contract(&self, contract: &DlcContract) -> Result<(), DlcError> {
        self.contract_manager.broadcast_contract(contract)
    }

    pub fn settle_contract(&self, contract: &DlcContract, outcome: &str) -> Result<(), DlcError> {
        self.contract_manager.settle_contract(contract, outcome)
    }
}

#[derive(Debug)]
pub enum DlcError {
    OracleError(String),
    ContractError(String),
    NetworkError(String),
    InvalidConfiguration(String),
}

pub struct OracleClient {
    url: String,
    client: reqwest::Client,
}

impl OracleClient {
    pub fn new(url: &str) -> Self {
        Self {
            url: url.to_string(),
            client: reqwest::Client::new(),
        }
    }

    pub async fn get_event_info(&self, event_id: &str) -> Result<OracleEvent, DlcError> {
        let url = format!("{}/events/{}", self.url, event_id);
        let response = self.client.get(&url).send().await.map_err(|e| {
            DlcError::NetworkError(format!("Failed to get event info: {}", e))
        })?;
        
        let event: OracleEvent = response.json().await.map_err(|e| {
            DlcError::NetworkError(format!("Failed to parse event info: {}", e))
        })?;
        
        Ok(event)
    }
}

#[derive(Serialize, Deserialize, Debug)]
pub struct OracleEvent {
    pub id: String,
    pub event_type: OracleEventType,
    pub outcome_domain: Vec<String>,
    pub start_time: u64,
    pub end_time: u64,
}

pub struct ContractManager {
    bdk_wallet: BdkWallet,
}

impl ContractManager {
    pub fn new() -> Self {
        Self {
            bdk_wallet: BdkWallet::new(),
        }
    }

    pub fn create_contract(
        &self,
        settlement_address: &str,
        collateral: u64,
        oracle_info: &OracleEvent,
        payout_curve: &PayoutCurve,
    ) -> Result<DlcContract, DlcError> {
        // Implementation of contract creation
        Ok(DlcContract {
            // Contract details
        })
    }

    pub fn sign_contract(&self, contract: &DlcContract) -> Result<DlcContract, DlcError> {
        // Implementation of contract signing
        Ok(contract.clone())
    }

    pub fn broadcast_contract(&self, contract: &DlcContract) -> Result<(), DlcError> {
        // Implementation of contract broadcasting
        Ok(())
    }

    pub fn settle_contract(&self, contract: &DlcContract, outcome: &str) -> Result<(), DlcError> {
        // Implementation of contract settlement
        Ok(())
    }
}

pub struct BdkWallet {
    // BDK wallet implementation
}

impl BdkWallet {
    pub fn new() -> Self {
        // Initialize BDK wallet
        Self {}
    }

    pub fn create_address(&self) -> Result<String, DlcError> {
        // Create new address
        Ok("bc1q...".to_string())
    }

    pub fn sign_transaction(&self, tx: &Transaction) -> Result<Transaction, DlcError> {
        // Sign transaction
        Ok(tx.clone())
    }
}

#[derive(Serialize, Deserialize, Debug)]
pub struct DlcContract {
    pub id: String,
    pub settlement_address: String,
    pub collateral: u64,
    pub oracle_event: OracleEvent,
    pub payout_curve: PayoutCurve,
    pub status: ContractStatus,
}

#[derive(Serialize, Deserialize, Debug)]
pub enum ContractStatus {
    Created,
    Signed,
    Broadcast,
    Settled,
    Failed,
}