package market

import (
	"errors"
	"testing"

	"github.com/stretchr/testify/require"

	"github.com/fraktal/mev-beta/internal/config"
	"github.com/fraktal/mev-beta/internal/logger"
)

func TestNormalizeAndValidatePoolAddress(t *testing.T) {
	cfg := &config.BotConfig{
		MaxWorkers: 1,
		RPCTimeout: 1,
	}
	log := logger.New("info", "text", "")
	scanner := NewMarketScanner(cfg, log, nil, nil)

	t.Run("accepts known pool", func(t *testing.T) {
		address := "0xC6962004f452bE9203591991D15f6b388e09E8D0" // known Uniswap V3 pool
		normalized, result, err := scanner.normalizeAndValidatePoolAddress(address)
		require.NoError(t, err)
		require.NotNil(t, result)
		require.Equal(t, "0xc6962004f452be9203591991d15f6b388e09e8d0", normalized)
		require.True(t, result.IsValid)
	})

	t.Run("rejects known token misclassified as pool", func(t *testing.T) {
		address := "0x82aF49447D8a07e3bd95BD0d56f35241523fBab1" // WETH
		_, result, err := scanner.normalizeAndValidatePoolAddress(address)
		require.Error(t, err)
		require.NotNil(t, result)
		require.True(t, errors.Is(err, ErrInvalidPoolCandidate))
	})

	t.Run("rejects corrupted address", func(t *testing.T) {
		address := "0x0000000000000000000000000000000000000000"
		_, result, err := scanner.normalizeAndValidatePoolAddress(address)
		require.Error(t, err)
		require.NotNil(t, result)
		require.True(t, errors.Is(err, ErrInvalidPoolCandidate))
	})
}