package cli

import (
	"testing"

	"github.com/volker-raschek/flucky/pkg/config"
	"github.com/volker-raschek/flucky/pkg/types"
	"github.com/stretchr/testify/require"
)

type testCase struct {
	goldenConfig         *config.Configuration
	goldenMeasuredValues []*types.MeasuredValue
	expectedSensors      map[string]*types.Sensor
	expectedError        error
}

var (
	goldenSensors = []*types.Sensor{
		&types.Sensor{
			ID: "5b7c08c8-ee2a-4f88-b796-83658caae09d",
		},
	}

	goldenSensorMap = map[string]*types.Sensor{
		"5b7c08c8-ee2a-4f88-b796-83658caae09d": goldenSensors[0],
	}

	goldenConfig = &config.Configuration{
		Sensors: goldenSensors,
	}

	goldenMeasuredValues = []*types.MeasuredValue{
		&types.MeasuredValue{
			ID:       "4887b7cc-6b40-4293-bcc1-db1b5035a711",
			SensorID: "5b7c08c8-ee2a-4f88-b796-83658caae09d",
		},
	}

	measuredValuesWrongID = []*types.MeasuredValue{
		&types.MeasuredValue{
			ID:       "b2784dfb-c1a4-428d-8897-e09a18e7d94d",
			SensorID: "5b7c08c8-ee2a-4f88-b796-83658caae09d",
		},
		&types.MeasuredValue{
			ID:       "81ca1a60-dfea-42f3-a7",
			SensorID: "5b7c08c8-ee2a-4f88-b796-83658caae09d",
		},
	}

	measuredValuesWrongSensorID = []*types.MeasuredValue{
		&types.MeasuredValue{
			ID:       "b2784dfb-c1a4-428d-8897-e09a18e7d94d",
			SensorID: "5b7c08c8-ee2a-4f88-b796-83658caae09d",
		},
		&types.MeasuredValue{
			ID:       "b2784dfb-c1a4-428d-8897-e09a18e7d94d",
			SensorID: "5b7c08c8-ee2a-4f88-b79",
		},
	}
)

func TestGetSensorIDsByMeasuredValues(t *testing.T) {
	require := require.New(t)

	testCases := []*testCase{
		&testCase{
			goldenConfig:         goldenConfig,
			goldenMeasuredValues: goldenMeasuredValues,
			expectedSensors:      goldenSensorMap,
			expectedError:        nil,
		},
		&testCase{
			goldenConfig:         goldenConfig,
			goldenMeasuredValues: measuredValuesWrongID,
			expectedSensors:      nil,
			expectedError:        errorMeasuredValueIDNotValid,
		},
		&testCase{
			goldenConfig:         goldenConfig,
			goldenMeasuredValues: measuredValuesWrongSensorID,
			expectedSensors:      nil,
			expectedError:        errorSensorIDNotValid,
		},
	}

	for _, testCase := range testCases {
		actualSensors, err := GetSensorIDsByMeasuredValues(testCase.goldenMeasuredValues, testCase.goldenConfig)
		require.EqualValues(testCase.expectedError, err, "Not the expected error")
		require.EqualValues(testCase.expectedSensors, actualSensors, "Returned sensor list not expected")
	}
}