package dinet

import (
	"encoding/json"
	"testing"
	"time"

	"github.com/stretchr/testify/require"
	"src.dualinventive.com/go/dinet/rpc"
)

func TestDeviceSetClearError(t *testing.T) {
	parent, _ := NewParentDeviceMock(t)
	dev := NewChildDevice(&DeviceCallbacks{}, parent)

	require.False(t, dev.HasError())
	require.Equal(t, 0, len(dev.errors))

	dev.SetError(rpc.EAgain)
	require.Equal(t, 1, len(dev.errors))
	require.True(t, dev.HasError())

	dev.SetError(rpc.EAgain)
	require.Equal(t, 1, len(dev.errors))
	require.True(t, dev.HasError())

	dev.SetError(rpc.EParam)
	require.Equal(t, 2, len(dev.errors))
	require.True(t, dev.HasError())

	dev.ClearError(rpc.EAgain)
	require.Equal(t, 1, len(dev.errors))
	require.True(t, dev.HasError())

	dev.ClearError(rpc.EParam)
	require.False(t, dev.HasError())
	require.Equal(t, 0, len(dev.errors))
}

func TestDeviceInfo(t *testing.T) {
	parent, _ := NewParentDeviceMock(t)
	callbacks := &DeviceCallbacks{}
	dev := NewChildDevice(callbacks, parent)

	req := rpc.Msg{}

	callbacks.DevType = rpc.DeviceTypeZKL3000
	callbacks.CBVersions = func() (rpc.VersionMap, rpc.ErrorCode) {
		return rpc.VersionMap{
			rpc.VersionKeyFwCRTM: "HALLO",
		}, rpc.Ok
	}
	msg := dev.deviceInfo(&req)
	require.False(t, msg.IsError())
	datab, err := json.Marshal(msg.Result)
	require.Nil(t, err)
	require.JSONEq(t, `[{"type": "zkl-3000", "version": {"fw-crtm":"HALLO"}}]`, string(datab))
}

func TestConnectionInfo(t *testing.T) {
	parent, _ := NewParentDeviceMock(t)
	callbacks := &DeviceCallbacks{}
	dev := NewChildDevice(callbacks, parent)

	req := rpc.Msg{}

	callbacks.CBTimeout = func() time.Duration {
		return time.Hour
	}
	callbacks.CBTransport = func() (interface{}, rpc.ErrorCode) {
		return nil, rpc.EIofailed
	}
	msg := dev.connectionInfo(&req)
	require.Equal(t, rpc.EIofailed, msg.Error.Code)

	callbacks.CBTimeout = func() time.Duration {
		return time.Hour
	}
	callbacks.CBTransport = func() (interface{}, rpc.ErrorCode) {
		return "not struct", rpc.Ok
	}
	msg = dev.connectionInfo(&req)
	require.Equal(t, rpc.EOpnotsupp, msg.Error.Code)

	callbacks.CBTimeout = func() time.Duration {
		return time.Hour
	}
	callbacks.CBTransport = func() (interface{}, rpc.ErrorCode) {
		return &rpc.ConnectionInfoService{
			Endpoint: "tcp://something:8080",
		}, rpc.Ok
	}
	msg = dev.connectionInfo(&req)
	require.False(t, msg.IsError())
	datab, err := json.Marshal(msg.Result)
	require.Nil(t, err)
	// nolint: lll
	require.JSONEq(t, `[{"timeout":3600,"gateways":["fe020000000000000000f403433e1a52"],"transport":"service","service":{"endpoint":"tcp://something:8080"}}]`, string(datab))
}