"""Tests for the main mt5bridge exchange class."""

import responses
import pytest

import mt5bridge_ccxt
from mt5bridge_ccxt.exceptions import (
    Mt5BridgeAuthError,
    Mt5BridgeConnectionError,
    Mt5BridgeNotConnectedError,
    Mt5BridgeInvalidRequestError,
)


class TestMt5bridgeInit:
    def test_id_and_name(self, exchange_config):
        ex = mt5bridge_ccxt.mt5bridge(exchange_config)
        assert ex.id == "mt5bridge"
        assert ex.name == "MT5 Bridge"
        assert ex.apiKey == exchange_config["apiKey"]
        assert ex.host == "http://mock-mt5bridge:8080"

    def test_default_host(self):
        ex = mt5bridge_ccxt.mt5bridge({"apiKey": "x"})
        assert ex.host == "http://localhost:8080"

    def test_timeframes(self, exchange_config):
        ex = mt5bridge_ccxt.mt5bridge(exchange_config)
        assert "1m" in ex.timeframes
        assert "1h" in ex.timeframes
        assert "1d" in ex.timeframes
        assert ex.timeframes["1h"] == "TIMEFRAME_H1"

    def test_mql5_bridge_attached(self, exchange_config):
        ex = mt5bridge_ccxt.mt5bridge(exchange_config)
        assert ex.mql5 is not None
        assert hasattr(ex.mql5, "alpha_trend_signal")

    def test_strip_slash_fallback(self):
        ex = mt5bridge_ccxt.mt5bridge({
            "apiKey": "x",
            "host": "http://h:8080",
        })
        # Without symbol_map, falls back to stripping slash
        assert ex._resolve_mt5_symbol("XAU/USD") == "XAUUSD"
        assert ex._resolve_mt5_symbol("BTC/USDT") == "BTCUSDT"

    def test_symbol_map_used(self, exchange_config):
        ex = mt5bridge_ccxt.mt5bridge(exchange_config)
        assert ex._resolve_mt5_symbol("XAU/USD") == "XAUUSDc"
        assert ex._resolve_mt5_symbol("EUR/USD") == "EURUSDc"

    def test_reverse_symbol_map(self, exchange_config):
        ex = mt5bridge_ccxt.mt5bridge(exchange_config)
        assert ex._resolve_ccxt_symbol("XAUUSDc") == "XAU/USD"


class TestErrorHandling:
    @responses.activate
    def test_401_raises_auth_error(self, exchange_config):
        responses.add(responses.GET, "http://mock-mt5bridge:8080/account",
                      json={"detail": "Unauthorized"}, status=401)
        ex = mt5bridge_ccxt.mt5bridge(exchange_config)
        with pytest.raises(Mt5BridgeAuthError):
            ex.fetch_balance()

    @responses.activate
    def test_503_raises_not_connected(self, exchange_config):
        responses.add(responses.GET, "http://mock-mt5bridge:8080/account",
                      json={"detail": "MT5 not connected"}, status=503)
        ex = mt5bridge_ccxt.mt5bridge(exchange_config)
        with pytest.raises(Mt5BridgeNotConnectedError):
            ex.fetch_balance()

    @responses.activate
    def test_400_raises_invalid_request(self, exchange_config):
        responses.add(responses.GET, "http://mock-mt5bridge:8080/account",
                      json={"detail": "Bad symbol"}, status=400)
        ex = mt5bridge_ccxt.mt5bridge(exchange_config)
        with pytest.raises(Mt5BridgeInvalidRequestError):
            ex.fetch_balance()