package main

import (
	"os"
	"strconv"
)

type Config struct {
	TelegramBotToken string
	TelegramChatID   string
	AlertCooldownSec int     // seconds between alerts for same coin
	ArbThreshold     float64 // minimum net profit % to trigger alert
	ScanIntervalMs   int     // how often scanner runs (milliseconds)

	// Automated trading
	TradeEnabled    bool
	TradeThreshold  float64 // minimum profit % to execute trade (>0.15%)
	TradeAmountUSD  float64 // amount per trade in USDT
	TradeCooldownMs int     // ms between trades of same coin

	// Test mode (no real API keys needed)
	TestMode       bool
	MockSlippagePct float64 // simulated slippage per order (e.g. 0.01 = 0.01%)

	// Bitget API
	BitgetAPIKey     string
	BitgetAPISecret  string
	BitgetPassphrase string

	// HyperLiquid API
	HLPrivateKey string // ed25519 private key hex
	HLAddress    string // wallet address
}

func LoadConfig() *Config {
	getEnv := func(key, def string) string {
		if v := os.Getenv(key); v != "" {
			return v
		}
		return def
	}
	getFloat := func(key string, def float64) float64 {
		v := os.Getenv(key)
		if v == "" {
			return def
		}
		f, err := strconv.ParseFloat(v, 64)
		if err != nil {
			return def
		}
		return f
	}
	getBool := func(key string, def bool) bool {
		v := os.Getenv(key)
		if v == "" {
			return def
		}
		return v == "1" || v == "true" || v == "yes"
	}

	return &Config{
		TelegramBotToken: getEnv("TELEGRAM_BOT_TOKEN", ""),
		TelegramChatID:   getEnv("TELEGRAM_CHAT_ID", ""),
		AlertCooldownSec: 300,
		ArbThreshold:     0.03,
		ScanIntervalMs:   500,

		TradeEnabled:    getBool("TRADE_ENABLED", false),
		TradeThreshold:  getFloat("TRADE_THRESHOLD", 0.15),
		TradeAmountUSD:  getFloat("TRADE_AMOUNT_USD", 10),
		TradeCooldownMs: 30000,

		TestMode:        getBool("TEST_MODE", false),
		MockSlippagePct: getFloat("MOCK_SLIPPAGE_PCT", 0.005),

		BitgetAPIKey:     getEnv("BITGET_API_KEY", ""),
		BitgetAPISecret:  getEnv("BITGET_API_SECRET", ""),
		BitgetPassphrase: getEnv("BITGET_PASSPHRASE", ""),

		HLPrivateKey: getEnv("HL_PRIVATE_KEY", ""),
		HLAddress:    getEnv("HL_ADDRESS", ""),
	}
}