"""Tests für REST-API / Dashboard (trademind serve)."""
import textwrap

import pytest

from trademind.config import ServerConfig, load


CFG = textwrap.dedent(
    """
    trading:
      base_currency: BTC
      quote_currency: USDT
      candles: 120
    """
)


@pytest.fixture
def cfg_file(tmp_path):
    p = tmp_path / "config.yaml"
    p.write_text(CFG, encoding="utf-8")
    return str(p)


@pytest.fixture
def client(cfg_file):
    from fastapi.testclient import TestClient

    from trademind.server import make_app

    app = make_app(cfg_file, data="mock", exchange="binance")
    with TestClient(app) as c:
        yield c


def test_server_config_defaults_and_env():
    assert ServerConfig().port == 8080
    assert ServerConfig().host == "0.0.0.0"
    cfg = ServerConfig.from_dict({"port": "9443", "host": "127.0.0.1"})
    assert cfg.port == 9443
    assert cfg.host == "127.0.0.1"


def test_config_load_includes_server(cfg_file):
    cfg = load(cfg_file)
    assert cfg.server.port == 8080
    assert cfg.server.host == "0.0.0.0"


def test_health(client):
    r = client.get("/api/health")
    assert r.status_code == 200
    body = r.json()
    assert body["status"] == "ok"
    assert body["version"]


def test_dashboard_html(client):
    r = client.get("/")
    assert r.status_code == 200
    assert "text/html" in r.headers["content-type"]
    assert "TradeMind" in r.text


def test_status(client):
    r = client.get("/api/status")
    assert r.status_code == 200
    body = r.json()
    assert body["symbol"] == "BTC/USDT"
    assert body["trading"]["candles"] == 120
    assert body["last_run"] is None


def test_signals_mock_data(client):
    r = client.get("/api/signals?limit=10")
    assert r.status_code == 200
    body = r.json()
    assert body["broker"] == "mock"
    sigs = body["signals"]
    assert sigs, "expected at least one signal"
    last = sigs[-1]
    assert last["action"] in (-1, 0, 1, 2)
    assert last["price"] > 0
    assert isinstance(last["score"], (int, float))


def test_paper_run_and_equity(client):
    r = client.post("/api/paper")
    assert r.status_code == 200
    body = r.json()
    assert body["summary"]["final_equity"] > 0
    assert len(body["equity_curve"]) > 1

    eq = client.get("/api/equity")
    assert eq.status_code == 200
    ebody = eq.json()
    assert ebody["summary"]["final_equity"] > 0
    assert ebody["equity_curve"]

    st = client.get("/api/status")
    assert st.json()["last_run"]["broker"] == "mock"