#!/usr/bin/env groovy
library 'status-jenkins-lib@v1.9.4'

pipeline {
  agent { label params.AGENT_LABEL }

  parameters {
    string(
      name: 'NIX_CACHE_HOST',
      description: 'FQDN of Nix binary cache host.',
      defaultValue: params.NIX_CACHE_HOST ?: 'cache-01.do-ams3.nix.ci.statusim.net'
    )
    string(
      name: 'NIX_CACHE_USER',
      description: 'Username for Nix binary cache host.',
      defaultValue: params.NIX_CACHE_USER ?: 'nix-cache'
    )
  }

  environment {
    /* we source .bash_profile to be able to use nix-store */
    NIX_SSHOPTS = "-oStrictHostKeyChecking=no"
    NIX_CONF_DIR = "${env.WORKSPACE}/nix"
    NIX_STORE_CMD = '/nix/var/nix/profiles/default/bin/nix-store'
    NIX_SSH_REMOTE = "ssh://${params.NIX_CACHE_USER}@${params.NIX_CACHE_HOST}?remote-program=${env.NIX_STORE_CMD}"
  }

  options {
    timestamps()
    disableConcurrentBuilds()
    /* Prevent Jenkins jobs from running forever */
    timeout(time: 120, unit: 'MINUTES')
    /* Limit builds retained */
    buildDiscarder(logRotator(
      numToKeepStr: '20',
      daysToKeepStr: '30',
      artifactNumToKeepStr: '1',
    ))
  }

  stages {
    stage('Setup') {
      steps { script {
        nix.shell('nix-env -i openssh', sandbox: false, pure: false)
        /* some build targets don't build on MacOS */
        os = sh(script: 'uname', returnStdout: true).trim()
        arch = sh(script: 'arch', returnStdout: true).trim()
      } }
    }
    stage('Build status-go') {
      steps { script {
        def platforms = ['mobile.android', 'mobile.ios', 'library']
        if (os != 'Darwin')  { platforms.removeAll { it == 'mobile.ios' } }
        /* FIXME: "'x86_64-darwin' with features {} is required to build" */
        if (arch == 'arm64') { platforms.removeAll { it == 'mobile.android' } }
        platforms.each { platform ->
          /* Allow for Android builds on Apple ARM. */
          env.NIXPKGS_SYSTEM_OVERRIDE = nixSysOverride(os, arch, platform)
          nix.build(
            attr: "targets.status-go.${platform}",
            sandbox: false,
            link: false
          )
        }
      } }
    }
    stage('Build android jsbundle') {
      steps { script {
        /* Build/fetch deps required for jsbundle build. */
        nix.build(
          attr: 'targets.mobile.jsbundle',
          sandbox: false,
          pure: false,
          link: false
        )
      } }
    }
    stage('Build android deps') {
      steps { script {
        /* Allow for Android builds on Apple ARM. */
        env.NIXPKGS_SYSTEM_OVERRIDE = nixSysOverride(os, arch, 'android')
        /* Build/fetch deps required to build android release. */
        nix.build(
          attr: 'targets.mobile.android.build.buildInputs',
          sandbox: false,
          pure: false,
          link: false
        )
      } }
    }
    stage('Build nix shell deps') {
      steps { script {
        def shells = ['android', 'ios', 'fastlane', 'keytool', 'clojure', 'gradle']
        if (os != 'Darwin') { shells.removeAll { it == 'ios' } }
        /* FIXME: "'x86_64-darwin' with features {} is required to build" */
        if (arch == 'arm64') { shells.removeAll { it == 'android' } }
        /* Build/fetch deps required to start default Nix shell. */
        shells.each { shell ->
          /* Allow for Android builds on Apple ARM. */
          env.NIXPKGS_SYSTEM_OVERRIDE = nixSysOverride(os, arch, shell)
          nix.build(
            attr: "shells.${shell}.buildInputs",
            sandbox: false,
            link: false
          )
        }
      } }
    }
    stage('Upload') {
      steps { script {
        sshagent(credentials: ['nix-cache-ssh']) {
          nix.shell("""
              find /nix/store/ -mindepth 1 -maxdepth 1 -type d \
                -not -name '*.links' -and -not -name '*-status-mobile-*' \
                | xargs nix copy --to ${NIX_SSH_REMOTE}
            """,
            pure: false
          )
        }
      } }
    }
  }
  post {
    always { script {
      nix.shell('nix-store --optimize', pure: false)
    } }
  }
}

def nixSysOverride(os, arch, target='android') {
    return (
        os == 'Darwin' &&
        arch == 'arm64' &&
        target =~ /.*android$/
    ) ? 'x86_64-darwin' : ''
}