package cryptostrategy

import (
	"strings"
	"testing"
)

const sampleBody = `{
  "eventType": "SIGNAL_RECEIVED",
  "correlationId": "0_0_0",
  "symbol": "QNT",
  "direction": "LONG",
  "payload": "{\"strategyCode\":\"ai-crypto-signals\",\"period\":\"1h\",\"currency\":\"QNT\",\"isSale\":false,\"isClose\":false,\"isGain\":false,\"gainTarget\":5,\"price\":58.23,\"lossPrice\":57.82,\"gainPrices\":\"58.435,58.64,58.845,59.05,59.255\",\"remark\":\"{\\\"orderId\\\":\\\"jeJY8l5YnYwfJbmj6zb4\\\"}\",\"totalGainTarget\":5,\"leverage\":43}",
  "eventTime": 1786802842899
}`

func TestConvertParsesNestedPayload(t *testing.T) {
	event, data, err := Convert([]byte(sampleBody))
	if err != nil {
		t.Fatal(err)
	}
	if event != "trade.open" {
		t.Fatalf("event=%q", event)
	}
	if data["symbol"] != "QNT" || data["strategyCode"] != "ai-crypto-signals" {
		t.Fatalf("data=%v", data)
	}
	if data["period"] != "1h" || data["direction"] != "LONG" {
		t.Fatalf("data=%v", data)
	}
	if data["orderId"] != "jeJY8l5YnYwfJbmj6zb4" {
		t.Fatalf("orderId=%v", data["orderId"])
	}
	formatted, _ := data["formatted"].(string)
	for _, want := range []string{
		"多单开仓",
		"交易品种: QNT",
		"周期: 1h",
		"开仓价格: 58.23",
		"止损价格: 57.82",
		"止盈价格: 58.435, 58.64, 58.845, 59.05, 59.255",
		"杠杆: 43x",
		"策略: ai-crypto-signals",
	} {
		if !strings.Contains(formatted, want) {
			t.Fatalf("missing %q in\n%s", want, formatted)
		}
	}
}

func TestConvertCloseFlag(t *testing.T) {
	body := []byte(`{
		"eventType":"SIGNAL_RECEIVED","symbol":"BTC","direction":"SHORT",
		"payload":"{\"isClose\":true,\"price\":64000,\"strategyCode\":\"x\",\"period\":\"4h\"}",
		"eventTime":1786802842899
	}`)
	event, data, err := Convert(body)
	if err != nil {
		t.Fatal(err)
	}
	if event != "trade.close" {
		t.Fatalf("event=%q", event)
	}
	formatted, _ := data["formatted"].(string)
	if !strings.Contains(formatted, "空单平仓") {
		t.Fatalf("%s", formatted)
	}
}

func TestConvertFlatOneLayer(t *testing.T) {
	body := []byte(`{
		"eventType":"SIGNAL_RECEIVED",
		"correlationId":"0_0_0",
		"symbol":"QNT",
		"direction":"LONG",
		"strategyCode":"ai-crypto-signals",
		"period":"1h",
		"currency":"QNT",
		"isSale":false,
		"isClose":false,
		"isGain":false,
		"gainTarget":5,
		"price":58.23,
		"lossPrice":57.82,
		"gainPrices":"58.435,58.64",
		"remark":"{\"orderId\":\"jeJY8l5YnYwfJbmj6zb4\"}",
		"leverage":43,
		"eventTime":1786802842899
	}`)
	event, data, err := Convert(body)
	if err != nil {
		t.Fatal(err)
	}
	if event != "trade.open" {
		t.Fatalf("event=%q", event)
	}
	if data["strategyCode"] != "ai-crypto-signals" || data["price"] != 58.23 {
		t.Fatalf("data=%v", data)
	}
	if data["orderId"] != "jeJY8l5YnYwfJbmj6zb4" {
		t.Fatalf("orderId=%v", data["orderId"])
	}
	formatted, _ := data["formatted"].(string)
	if !strings.Contains(formatted, "多单开仓") || !strings.Contains(formatted, "开仓价格: 58.23") {
		t.Fatalf("%s", formatted)
	}
}

func TestConvertPayloadObject(t *testing.T) {
	body := []byte(`{
		"eventType":"SIGNAL_RECEIVED","symbol":"ETH","direction":"SHORT",
		"payload":{"isClose":true,"price":3200,"strategyCode":"x","period":"1h"},
		"eventTime":1786802842899
	}`)
	event, data, err := Convert(body)
	if err != nil {
		t.Fatal(err)
	}
	if event != "trade.close" {
		t.Fatalf("event=%q", event)
	}
	if data["price"] != float64(3200) {
		t.Fatalf("data=%v", data)
	}
}

func TestConvertInvalidJSON(t *testing.T) {
	_, _, err := Convert([]byte(`{not json`))
	if err == nil {
		t.Fatal("expected error")
	}
}