package config

import (
	"strings"
	"testing"

	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
	"github.com/spf13/viper"
	"github.com/stretchr/testify/require"
)

func TestConfig(t *testing.T) {
	t.Parallel()
	t.Run("all set", func(t *testing.T) {
		t.Parallel()
		file := strings.NewReader(
			`
fee:
  main_chain: 50000000
  side_chain: 200000000
  named_container_register: 2500000000
`,
		)
		v := viper.New()
		v.SetConfigType("yaml")
		err := v.ReadConfig(file)
		require.NoError(t, err, "read config file failed")

		config := NewFeeConfig(v)
		require.Equal(t, fixedn.Fixed8(50000000), config.MainChainFee(), "main chain fee invalid")
		require.Equal(t, fixedn.Fixed8(200000000), config.SideChainFee(), "side chain fee invalid")
		require.Equal(t, fixedn.Fixed8(2500000000), config.NamedContainerRegistrationFee(), "named container register fee invalid")
	})

	t.Run("nothing set", func(t *testing.T) {
		t.Parallel()
		file := strings.NewReader("")
		v := viper.New()
		v.SetConfigType("yaml")
		err := v.ReadConfig(file)
		require.NoError(t, err, "read config file failed")

		config := NewFeeConfig(v)
		require.Equal(t, fixedn.Fixed8(0), config.MainChainFee(), "main chain fee invalid")
		require.Equal(t, fixedn.Fixed8(0), config.SideChainFee(), "side chain fee invalid")
		require.Equal(t, fixedn.Fixed8(0), config.NamedContainerRegistrationFee(), "named container register fee invalid")
	})

	t.Run("partially set", func(t *testing.T) {
		t.Parallel()
		file := strings.NewReader(
			`
fee:
  main_chain: 10
`,
		)
		v := viper.New()
		v.SetConfigType("yaml")
		err := v.ReadConfig(file)
		require.NoError(t, err, "read config file failed")

		config := NewFeeConfig(v)
		require.Equal(t, fixedn.Fixed8(10), config.MainChainFee(), "main chain fee invalid")
		require.Equal(t, fixedn.Fixed8(0), config.SideChainFee(), "side chain fee invalid")
		require.Equal(t, fixedn.Fixed8(0), config.NamedContainerRegistrationFee(), "named container register fee invalid")
	})

}