/**
 *    Copyright 2020 Mark Nellemann <mark.nellemann@gmail.com>
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package biz.nellemann.hmci

import groovy.util.logging.Slf4j


@Slf4j
class ManagedSystem extends MetaSystem {

    public final String hmcId
    public final String id
    public final String name
    public final String type
    public final String model
    public final String serialNumber


    ManagedSystem(String hmcId, String id, String name, String type, String model, String serialNumber) {
        this.hmcId = hmcId
        this.id = id
        this.name = name
        this.type = type
        this.model = model
        this.serialNumber = serialNumber
    }

    String toString() {
        return "[${id}] ${name} (${type}-${model} ${serialNumber})"
    }


    List<Map> getMemoryMetrics() {

        List<Map> list = new ArrayList<>()
        Map<String, Map> map = new HashMap<String, Map>()

        HashMap<String, String> tagsMap = [
                system: name,
        ]
        map.put("tags", tagsMap)
        log.debug("getMemoryMetrics() - tags: " + tagsMap.toString())

        HashMap<String, BigDecimal> fieldsMap = [
            totalMem: metrics.systemUtil.utilSamples.first().serverUtil.memory.totalMem.first(),
            availableMem: metrics.systemUtil.utilSamples.first().serverUtil.memory.availableMem.first(),
            configurableMem: metrics.systemUtil.utilSamples.first().serverUtil.memory.configurableMem.first(),
            assignedMemToLpars: metrics.systemUtil.utilSamples.first().serverUtil.memory.assignedMemToLpars.first(),
        ]
        map.put("fields", fieldsMap)
        log.debug("getMemoryMetrics() - fields: " + fieldsMap.toString())

        list.add(map)
        return list
    }


    List<Map> getProcessorMetrics() {

        List<Map> list = new ArrayList<>()
        Map<String, Map> map = new HashMap<String, Map>()

        HashMap<String, String> tagsMap = [
                system: name,
        ]
        map.put("tags", tagsMap)
        log.debug("getProcessorMetrics() - tags: " + tagsMap.toString())

        HashMap<String, BigDecimal> fieldsMap = [
            availableProcUnits: metrics.systemUtil.utilSamples.first().serverUtil.processor.totalProcUnits.first(),
            utilizedProcUnits: metrics.systemUtil.utilSamples.first().serverUtil.processor.utilizedProcUnits.first(),
            availableProcUnits: metrics.systemUtil.utilSamples.first().serverUtil.processor.availableProcUnits.first(),
            configurableProcUnits: metrics.systemUtil.utilSamples.first().serverUtil.processor.configurableProcUnits.first(),
        ]
        map.put("fields", fieldsMap)
        log.debug("getProcessorMetrics() - fields: " + fieldsMap.toString())

        list.add(map)
        return list
    }


    List<Map> getSharedProcessorPools() {

        List<Map> list = new ArrayList<>()
        Map<String, Map> map = new HashMap<String, Map>()
        metrics.systemUtil.utilSamples.first().serverUtil.sharedProcessorPool.each {

            HashMap<String, String> tagsMap = [
                    system: name,
                    pool: it.name,
            ]
            map.put("tags", tagsMap)
            log.debug("getSharedProcessorPools() - tags: " + tagsMap.toString())

            HashMap<String, BigDecimal> fieldsMap = [
                    assignedProcUnits: it.assignedProcUnits.first(),
                    availableProcUnits: it.availableProcUnits.first(),
            ]
            map.put("fields", fieldsMap)
            log.debug("getSharedProcessorPools() - fields: " + fieldsMap.toString())

            list.add(map)

        }

        return list
    }


    List<Map> getSystemSharedAdapters() {

        List<Map> list = new ArrayList<>()
        Map<String, Map> map = new HashMap<String, Map>()
        metrics.systemUtil.utilSamples.first().viosUtil.each {vios ->

            vios.network.sharedAdapters.each {

                HashMap<String, String> tagsMap = [
                        system: name,
                        type: it.type,
                        vios: vios.name,
                ]
                map.put("tags", tagsMap)
                log.debug("getSystemSharedAdapters() - tags: " + tagsMap.toString())

                HashMap<String, BigDecimal> fieldsMap = [
                        sentBytes: it.sentBytes.first(),
                        receivedBytes: it.receivedBytes.first(),
                        transferredBytes: it.transferredBytes.first(),
                ]
                map.put("fields", fieldsMap)
                log.debug("getSystemSharedAdapters() - fields: " + fieldsMap.toString())

                list.add(map)
            }

        }

        return list
    }


    List<Map> getSystemFiberChannelAdapters() {

        List<Map> list = new ArrayList<>()
        Map<String, Map> map = new HashMap<String, Map>()
        metrics.systemUtil.utilSamples.first().viosUtil.each { vios ->
            vios.storage.fiberChannelAdapters.each {

                HashMap<String, String> tagsMap = [
                        system: name,
                        wwpn: it.wwpn,
                        vios: vios.name,
                        device: it.physicalLocation,
                ]
                map.put("tags", tagsMap)
                log.debug("getSystemFiberChannelAdapters() - tags: " + tagsMap.toString())

                HashMap<String, BigDecimal> fieldsMap = [
                        writeBytes: it.writeBytes.first(),
                        readBytes: it.readBytes.first(),
                        transmittedBytes: it.transmittedBytes.first(),
                ]
                map.put("fields", fieldsMap)
                log.debug("getSystemFiberChannelAdapters() - fields: " + fieldsMap.toString())

                list.add(map)

            }

        }

        return list
    }


}