/*
Mangadex@Home
Copyright (c) 2020, MangaDex Network
This file is part of MangaDex@Home.

MangaDex@Home is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

MangaDex@Home is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this MangaDex@Home.  If not, see <http://www.gnu.org/licenses/>.
*/
package mdnet.metrics

import io.micrometer.core.instrument.Tag
import io.micrometer.core.instrument.binder.jvm.DiskSpaceMetrics
import io.micrometer.core.instrument.binder.jvm.JvmGcMetrics
import io.micrometer.core.instrument.binder.jvm.JvmHeapPressureMetrics
import io.micrometer.core.instrument.binder.jvm.JvmMemoryMetrics
import io.micrometer.core.instrument.binder.jvm.JvmThreadMetrics
import io.micrometer.core.instrument.binder.logging.LogbackMetrics
import io.micrometer.core.instrument.binder.system.FileDescriptorMetrics
import io.micrometer.core.instrument.binder.system.ProcessorMetrics
import io.micrometer.core.instrument.binder.system.UptimeMetrics
import io.micrometer.prometheus.PrometheusMeterRegistry
import mdnet.BuildInfo
import java.nio.file.Path

class DefaultMicrometerMetrics(registry: PrometheusMeterRegistry, cacheDirectory: Path) {
    init {
        UptimeMetrics(
            mutableListOf(
                Tag.of("version", BuildInfo.VERSION)
            )
        ).bindTo(registry)

        JvmMemoryMetrics().bindTo(registry)
        JvmGcMetrics().bindTo(registry)
        ProcessorMetrics().bindTo(registry)
        JvmThreadMetrics().bindTo(registry)
        JvmHeapPressureMetrics().bindTo(registry)
        FileDescriptorMetrics().bindTo(registry)
        LogbackMetrics().bindTo(registry)
        DiskSpaceMetrics(cacheDirectory.toFile()).bindTo(registry)
    }
}