# Copyright (c) 2021 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
# SPDX-License-Identifier: Apache-2.0

jobs:
- job: git_sha
  pool:
    name: 'linux-pool'
    demands: assignment -equals default
  steps:
    - bash: |
        set -euo pipefail
        if [ "$(Build.Reason)" == "PullRequest" ]; then
            echo "##vso[task.setvariable variable=branch;isOutput=true]$(git rev-parse HEAD^2)"
            echo "##vso[task.setvariable variable=main;isOutput=true]$(git rev-parse HEAD^1)"
            echo "##vso[task.setvariable variable=fork_point;isOutput=true]$(git merge-base $(git rev-parse HEAD^1) $(git rev-parse HEAD^2))"
        else
            echo "##vso[task.setvariable variable=branch;isOutput=true]$(git rev-parse HEAD)"
            echo "##vso[task.setvariable variable=main;isOutput=true]$(git rev-parse HEAD^1)"
            echo "##vso[task.setvariable variable=fork_point;isOutput=true]$(git rev-parse HEAD^1)"
        fi
      name: out

- template: da-ghc-lib/compile.yml
  parameters:
    final_job_name: da_ghc_lib

- job: Linux
  dependsOn:
    - da_ghc_lib
    - check_for_release
  variables:
    release_sha: $[ dependencies.check_for_release.outputs['out.release_sha'] ]
    release_tag: $[ coalesce(dependencies.check_for_release.outputs['out.release_tag'], '0.0.0') ]
    trigger_sha: $[ dependencies.check_for_release.outputs['out.trigger_sha'] ]
    is_release: $[ dependencies.check_for_release.outputs['out.is_release'] ]
  timeoutInMinutes: 360
  pool:
    name: 'linux-pool'
    demands: assignment -equals default
  steps:
    - template: report-start.yml
    - checkout: self
    - bash: |
        set -euo pipefail
        git checkout $(release_sha)
      name: checkout_release
      condition: eq(variables.is_release, 'true')
    - template: build-unix.yml
      parameters:
        release_tag: $(release_tag)
        name: 'linux'
        is_release: variables.is_release
    - bash: |
        set -euo pipefail
        eval "$(./dev-env/bin/dade-assist)"
        bazel build //release:release
        ./bazel-bin/release/release --release-dir "$(mktemp -d)"
      condition: and(succeeded(), ne(variables['is_release'], 'true'))
    - template: tell-slack-failed.yml
      parameters:
        trigger_sha: '$(trigger_sha)'
    - template: report-end.yml

- job: macOS
  dependsOn:
    - da_ghc_lib
    - check_for_release
  timeoutInMinutes: 360
  pool:
    name: macOS-pool
    demands: assignment -equals default
  variables:
    release_sha: $[ dependencies.check_for_release.outputs['out.release_sha'] ]
    release_tag: $[ coalesce(dependencies.check_for_release.outputs['out.release_tag'], '0.0.0') ]
    trigger_sha: $[ dependencies.check_for_release.outputs['out.trigger_sha'] ]
    is_release: $[ dependencies.check_for_release.outputs['out.is_release'] ]
  steps:
    - template: report-start.yml
    - template: clear-shared-segments-macos.yml
    - checkout: self
    - bash: |
        set -euo pipefail
        git checkout $(release_sha)
      name: checkout_release
      condition: eq(variables.is_release, 'true')
    - template: build-unix.yml
      parameters:
        release_tag: $(release_tag)
        name: macos
        is_release: variables.is_release
    - template: tell-slack-failed.yml
      parameters:
        trigger_sha: '$(trigger_sha)'
    - template: report-end.yml

- template: patch_bazel_windows/compile.yml
  parameters:
    final_job_name: patch_bazel_windows

- job: Windows
  dependsOn:
    - da_ghc_lib
    - check_for_release
    - patch_bazel_windows
  variables:
    release_sha: $[ dependencies.check_for_release.outputs['out.release_sha'] ]
    release_tag: $[ coalesce(dependencies.check_for_release.outputs['out.release_tag'], '0.0.0') ]
    trigger_sha: $[ dependencies.check_for_release.outputs['out.trigger_sha'] ]
    is_release: $[ dependencies.check_for_release.outputs['out.is_release'] ]
  timeoutInMinutes: 360
  pool:
    name: 'windows-pool'
    demands: assignment -equals default
  steps:
    - template: report-start.yml
    - checkout: self
    - bash: |
        set -euo pipefail
        git checkout $(release_sha)
      name: checkout_release
      condition: eq(variables.is_release, 'true')
    - template: build-windows.yml
      parameters:
        release_tag: $(release_tag)
        is_release: variables.is_release
    - task: PublishBuildArtifacts@1
      condition: succeededOrFailed()
      inputs:
        pathtoPublish: '$(Build.StagingDirectory)'
        artifactName: 'Bazel Logs'
    - template: tell-slack-failed.yml
      parameters:
        trigger_sha: '$(trigger_sha)'
    - template: report-end.yml

- job: Linux_scala_2_13
  dependsOn:
    - da_ghc_lib
  timeoutInMinutes: 360
  pool:
    name: 'linux-pool'
    demands: assignment -equals default
  steps:
    - template: report-start.yml
    - checkout: self
    - bash: ci/dev-env-install.sh
      displayName: 'Build/Install the Developer Environment'
    - bash: |
        source dev-env/lib/ensure-nix
        ci/dev-env-push.py
      displayName: 'Push Developer Environment build results'
      condition: eq(variables['System.PullRequest.IsFork'], 'False')
      env:
        # to upload to the Nix cache
        GOOGLE_APPLICATION_CREDENTIALS_CONTENT: $(GOOGLE_APPLICATION_CREDENTIALS_CONTENT)
        NIX_SECRET_KEY_CONTENT: $(NIX_SECRET_KEY_CONTENT)

    - bash: ci/configure-bazel.sh
      displayName: 'Configure Bazel'
      env:
        IS_FORK: $(System.PullRequest.IsFork)
        # to upload to the bazel cache
        GOOGLE_APPLICATION_CREDENTIALS_CONTENT: $(GOOGLE_APPLICATION_CREDENTIALS_CONTENT)
    - bash: |
        set -euo pipefail
        eval "$(./dev-env/bin/dade-assist)"
        bazel build --config scala_2_13 //libs-scala/... //daml-lf/data/... //daml-lf/language/... //daml-lf/transaction/... //daml-lf/validation/... //daml-lf/parser/...
        # gatling-utils tests fail with a ClassNotFoundException for scala.collection.SeqLike
        bazel test --config scala_2_13 -- //libs-scala/... //daml-lf/data/... //daml-lf/language/... //daml-lf/transaction/... //daml-lf/validation/... //daml-lf/parser/... -//libs-scala/gatling-utils/...
      displayName: 'Build'
    - template: tell-slack-failed.yml
      parameters:
        trigger_sha: '$(trigger_sha)'
    - template: report-end.yml

- job: compatibility_ts_libs
  dependsOn:
    - da_ghc_lib
    - check_for_release
  timeoutInMinutes: 360
  pool:
    name: linux-pool
    demands: assignment -equals default
  steps:
    - template: report-start.yml
    - checkout: self
    - template: compatibility_ts_libs.yml
    - template: tell-slack-failed.yml
    - template: report-end.yml

- job: compatibility_linux
  dependsOn:
    - da_ghc_lib
    - check_for_release
    - compatibility_ts_libs
  timeoutInMinutes: 360
  pool:
    name: linux-pool
    demands: assignment -equals default
  steps:
    - template: report-start.yml
    - checkout: self
    - template: compatibility.yml
      parameters:
        test_flags: '--quick'
    - template: tell-slack-failed.yml
    - template: report-end.yml

- job: compatibility_macos
  dependsOn:
    - da_ghc_lib
    - check_for_release
    - compatibility_ts_libs
  timeoutInMinutes: 360
  pool:
    name: macOS-pool
    demands: assignment -equals default
  steps:
    - template: report-start.yml
    - template: clear-shared-segments-macos.yml
    - checkout: self
    - template: compatibility.yml
      parameters:
        test_flags: '--quick'
    - template: tell-slack-failed.yml
    - template: report-end.yml

- job: compatibility_windows
  dependsOn:
    - da_ghc_lib
    - check_for_release
    - compatibility_ts_libs
    - patch_bazel_windows
  timeoutInMinutes: 360
  pool:
    name: 'windows-pool'
    demands: assignment -equals default
  steps:
    - template: report-start.yml
    - checkout: self
    - template: compatibility-windows.yml
      parameters:
        test_flags: '--quick'
    - template: tell-slack-failed.yml
    - template: report-end.yml
    - task: PublishBuildArtifacts@1
      condition: succeededOrFailed()
      inputs:
        pathtoPublish: '$(Build.StagingDirectory)'
        artifactName: 'Bazel Compatibility Logs'

- job: check_for_release
  dependsOn:
    - git_sha
  variables:
    branch_sha: $[ dependencies.git_sha.outputs['out.branch'] ]
    fork_sha: $[ dependencies.git_sha.outputs['out.fork_point'] ]
  pool:
    name: "linux-pool"
    demands: assignment -equals default
  steps:
    - bash: |
        set -euo pipefail

        ./release.sh check

        changes_release_files() {
            changed="$(git diff-tree --no-commit-id --name-only -r $(fork_sha) $(branch_sha) | sort)"
            [ "LATEST" = "$changed" ]
        }

        changes_one_line_in_latest() {
            changed="$(git diff-tree --no-commit-id --numstat -r $(fork_sha) $(branch_sha) -- LATEST | awk '{print $1 "_" $2}')"
            add_one="1_0"
            change_one="1_1"
            [[ "$add_one" == "$changed" || "$change_one" == "$changed" ]]
        }

        setvar() {
            echo "Setting '$1' to '$2'"
            echo "##vso[task.setvariable variable=$1;isOutput=true]$2"
        }

        added_line() {
            echo "$(git diff $(fork_sha) $(branch_sha) -- LATEST | tail -n+6 | grep '^\+' | cut -c2-)"
        }

        if changes_release_files; then
            if changes_one_line_in_latest; then
                setvar is_release true
                setvar trigger_sha $(branch_sha)
                setvar release_sha "$(added_line | awk '{print $1}')"
                setvar release_tag "$(added_line | awk '{print $2}')"
            else
                echo "Release commit should only add one version."
                exit 1
            fi
        else
            setvar is_release false
        fi
      name: out

- job: collect_build_data
  condition: always()
  dependsOn:
    - Linux
    - macOS
    - Windows
    - release
    - git_sha
    - compatibility_macos
    - compatibility_linux
    - compatibility_windows
    - Linux_scala_2_13
  pool:
    name: "linux-pool"
    demands: assignment -equals default
  variables:
    Linux.start: $[ dependencies.Linux.outputs['start.time'] ]
    Linux.machine: $[ dependencies.Linux.outputs['start.machine'] ]
    Linux.end: $[ dependencies.Linux.outputs['end.time'] ]
    Linux.status: $[ dependencies.Linux.result ]
    macOS.start: $[ dependencies.macOS.outputs['start.time'] ]
    macOS.machine: $[ dependencies.macOS.outputs['start.machine'] ]
    macOS.end: $[ dependencies.macOS.outputs['end.time'] ]
    macOS.status: $[ dependencies.macOS.result ]
    Windows.start: $[ dependencies.Windows.outputs['start.time'] ]
    Windows.machine: $[ dependencies.Windows.outputs['start.machine'] ]
    Windows.end: $[ dependencies.Windows.outputs['end.time'] ]
    Windows.status: $[ dependencies.Windows.result ]
    Linux_scala_2_13.start: $[ dependencies.Linux_scala_2_13.outputs['start.time'] ]
    Linux_scala_2_13.machine: $[ dependencies.Linux_scala_2_13.outputs['start.machine'] ]
    Linux_scala_2_13.end: $[ dependencies.Linux_scala_2_13.outputs['end.time'] ]
    Linux_scala_2_13.status: $[ dependencies.Linux_scala_2_13.result ]
    release.start: $[ dependencies.release.outputs['start.time'] ]
    release.machine: $[ dependencies.release.outputs['start.machine'] ]
    release.end: $[ dependencies.release.outputs['end.time'] ]
    release.status: $[ dependencies.release.result ]
    compatibility_linux.start: $[ dependencies.compatibility_linux.outputs['start.time'] ]
    compatibility_linux.machine: $[ dependencies.compatibility_linux.outputs['start.machine'] ]
    compatibility_linux.end: $[ dependencies.compatibility_linux.outputs['end.time'] ]
    compatibility_linux.status: $[ dependencies.compatibility_linux.result ]
    compatibility_macos.start: $[ dependencies.compatibility_macos.outputs['start.time'] ]
    compatibility_macos.machine: $[ dependencies.compatibility_macos.outputs['start.machine'] ]
    compatibility_macos.end: $[ dependencies.compatibility_macos.outputs['end.time'] ]
    compatibility_macos.status: $[ dependencies.compatibility_macos.result ]
    compatibility_windows.start: $[ dependencies.compatibility_windows.outputs['start.time'] ]
    compatibility_windows.machine: $[ dependencies.compatibility_windows.outputs['start.machine'] ]
    compatibility_windows.end: $[ dependencies.compatibility_windows.outputs['end.time'] ]
    compatibility_windows.status: $[ dependencies.compatibility_windows.result ]

    branch_sha: $[ dependencies.git_sha.outputs['out.branch'] ]
    main_sha: $[ dependencies.git_sha.outputs['out.main'] ]
    fork_sha: $[ dependencies.git_sha.outputs['out.fork_point'] ]

    # Using expression syntax so we get an empty string if not set, rather
    # than the raw $(VarName) string. Expression syntax works on the
    # variables key, but not on the env one, so we need an extra indirection.
    # Note: These Azure variables are only set for PR builds.
    pr.num: $[ variables['System.PullRequest.PullRequestNumber'] ]
    pr.branch: $[ variables['System.PullRequest.SourceBranch'] ]
  steps:
    - template: bash-lib.yml
      parameters:
        var_name: bash_lib
    - bash: |
        set -euo pipefail

        eval "$(./dev-env/bin/dade-assist)"
        source $(bash_lib)

        REPORT=$(mktemp)
        cat >$REPORT <<END
        {"jobs": {"Linux": {"start": "$(Linux.start)",
                            "machine": "$(Linux.machine)",
                            "end": "$(Linux.end)",
                            "status": "$(Linux.status)"},
                  "macOS": {"start": "$(macOS.start)",
                            "machine": "$(macOS.machine)",
                            "end": "$(macOS.end)",
                            "status": "$(macOS.status)"},
                  "Windows": {"start": "$(Windows.start)",
                              "machine": "$(Windows.machine)",
                              "end": "$(Windows.end)",
                              "status": "$(Windows.status)"},
                  "release": {"start": "$(release.start)",
                              "machine": "$(release.machine)",
                              "end": "$(release.end)",
                              "status": "$(release.status)"},
                  "compatibility_linux": {"start": "$(compatibility_linux.start)",
                                          "machine": "$(compatibility_linux.machine)",
                                          "end": "$(compatibility_linux.end)",
                                          "status": "$(compatibility_linux.status)"},
                  "compatibility_macos": {"start": "$(compatibility_macos.start)",
                                          "machine": "$(compatibility_macos.machine)",
                                          "end": "$(compatibility_macos.end)",
                                          "status": "$(compatibility_macos.status)"},
                  "compatibility_windows": {"start": "$(compatibility_windows.start)",
                                            "machine": "$(compatibility_windows.machine)",
                                            "end": "$(compatibility_windows.end)",
                                            "status": "$(compatibility_windows.status)"}},
         "id": "$(Build.BuildId)",
         "url": "https://dev.azure.com/digitalasset/daml/_build/results?buildId=$(Build.BuildId)",
         "name": "$(Build.DefinitionName)",
         "version": "$(Build.DefinitionVersion)",
         "queued_by": "$(Build.QueuedBy)",
         "reason": "$(Build.Reason)",
         "branch": "$(Build.SourceBranch)",
         "merge_commit": "$(Build.SourceVersion)",
         "branch_commit": "$(branch_sha)",
         "main_commit": "$(main_sha)",
         "fork_point_commit": "$(fork_sha)",
         "commit_message": $(echo -n "$COMMIT_MSG" | jq -sR),
         "is_fork": "$(System.PullRequest.IsFork)",
         "pr": "$PR_NUM",
         "pr_url": "https://github.com/digital-asset/daml/pull/$PR_NUM",
         "pr_source_branch": "$PR_BRANCH"}
        END
        # Test above JSON is well formed
        cat $REPORT | jq '.'
        REPORT_GZ=$(mktemp)
        cat $REPORT | gzip -9 > $REPORT_GZ
        # Application credentials will not be set for forks. We give up on
        # tracking those for now. "Not set" in Azure world means set to the
        # expression Azure would otherwise substitute, i.e. the literal value
        # of the string in the `env:` block below.
        if [[ "${GCRED:1:${#GCRED}-1}" != '(GOOGLE_APPLICATION_CREDENTIALS_CONTENT)' ]]; then
            gcs "$GCRED" cp "$REPORT_GZ" "gs://daml-data/builds/$(Build.BuildId)_$(date -u +%Y%m%d_%H%M%SZ).json.gz"
        else
            echo "Could not save build data: no credentials."
        fi

        # Linux, macOS and Windows are always required and should always
        # succeed.
        #
        # release only run on releases and is skipped otherwise.
        if [[ "$(Linux.status)" != "Succeeded"
            || "$(macOS.status)" != "Succeeded"
            || "$(Windows.status)" != "Succeeded"
            || "$(compatibility_linux.status)" != "Succeeded"
            || "$(compatibility_macos.status)" != "Succeeded"
            || "$(compatibility_windows.status)" != "Succeeded"
            || "$(release.status)" == "Canceled" ]]; then
            exit 1
        fi
      env:
        GCRED: $(GOOGLE_APPLICATION_CREDENTIALS_CONTENT)
        # Commit message is always set
        COMMIT_MSG: $(Build.SourceVersionMessage)
        # Because these variables are always set (in the variables block),
        # hopefully these should be set as expected (i.e. either correct
        # value or empty string, but not $(Azure.Variable.Name)).
        PR_NUM: $(pr.num)
        PR_BRANCH: $(pr.branch)