# Each step entry runs a task (Azure Pipelines analog of an Ansible module).
# https://learn.microsoft.com/en-us/azure/devops/pipelines/tasks/reference/?view=azure-pipelines&viewFallbackFrom=azure-devops#tool

# `{script: ...}` is shorthand for `{task: CmdLine@<mumble>, inputs: {script: ...}}`.
# The shell is bash.
# https://learn.microsoft.com/en-us/azure/devops/pipelines/yaml-schema/steps-script?view=azure-pipelines
# https://learn.microsoft.com/en-us/azure/devops/pipelines/tasks/reference/cmd-line-v2?view=azure-pipelines

steps:
- task: UsePythonVersion@0
  displayName: Install python
  inputs:
    githubToken: '$(GITHUB_PYVER_TOKEN)'
    versionSpec: '$(python.version)'
  condition: ne(variables['python.version'], '')

- script: |
    set -o errexit
    set -o nounset
    set -o pipefail

    sudo apt-get update
    sudo apt-get install -y python2-dev python3-pip virtualenv
  displayName: Install build deps
  condition: and(eq(variables['python.version'], ''), eq(variables['Agent.OS'], 'Linux'))

- script: |
    set -o errexit
    set -o nounset
    set -o pipefail

    # macOS builders lack a realpath command
    type python  && python  -c"import os.path;print(os.path.realpath('$(type -p python)'))" &&  python --version
    type python2 && python2 -c"import os.path;print(os.path.realpath('$(type -p python2)'))" && python2 --version
    type python3 && python3 -c"import os.path;print(os.path.realpath('$(type -p python3)'))" && python3 --version
    echo

    if [ -e /usr/bin/python ]; then
        echo "/usr/bin/python:    sys.executable: $(/usr/bin/python -c 'import sys; print(sys.executable)')"
    fi

    if [ -e /usr/bin/python2 ]; then
        echo "/usr/bin/python2:   sys.executable: $(/usr/bin/python2 -c 'import sys; print(sys.executable)')"
    fi

    if [ -e /usr/bin/python2.7 ]; then
        echo "/usr/bin/python2.7: sys.executable: $(/usr/bin/python2.7 -c 'import sys; print(sys.executable)')"
    fi
  displayName: Show python versions

- script: |
    set -o errexit
    set -o nounset
    set -o pipefail

    # Tox environment name (e.g. py312-mode_mitogen) -> Python executable name (e.g. python3.12)
    PYTHON=$(python -c 'import re; print(re.sub(r"^py([23])([0-9]{1,2}).*", r"python\1.\2", "$(tox.env)"))')

    if [[ -z $PYTHON ]]; then
        echo 1>&2 "Python interpreter could not be determined"
        exit 1
    fi

    if [[ $PYTHON == "python2.7" && $(uname) == "Darwin" ]]; then
        "$PYTHON" -m ensurepip --user --altinstall --no-default-pip
        "$PYTHON" -m pip install --user -r "tests/requirements-tox.txt"
    elif [[ $PYTHON == "python2.7" ]]; then
        curl "https://bootstrap.pypa.io/pip/2.7/get-pip.py" --output "get-pip.py"
        "$PYTHON" get-pip.py --user --no-python-version-warning
        # Avoid Python 2.x pip masking system pip
        rm -f ~/.local/bin/{easy_install,pip,wheel}
        "$PYTHON" -m pip install --user -r "tests/requirements-tox.txt"
    else
        "$PYTHON" -m pip install -r "tests/requirements-tox.txt"
    fi
  displayName: Install tooling

- script: |
    set -o errexit
    set -o nounset
    set -o pipefail

    # Tox environment name (e.g. py312-mode_mitogen) -> Python executable name (e.g. python3.12)
    PYTHON=$(python -c 'import re; print(re.sub(r"^py([23])([0-9]{1,2}).*", r"python\1.\2", "$(tox.env)"))')

    if [[ -z $PYTHON ]]; then
        echo 1>&2 "Python interpreter could not be determined"
        exit 1
    fi

    "$PYTHON" -m tox -e "$(tox.env)"
  displayName: "Run tests"
  env:
    AWS_ACCESS_KEY_ID: $(AWS_ACCESS_KEY_ID)
    AWS_SECRET_ACCESS_KEY: $(AWS_SECRET_ACCESS_KEY)
    AWS_DEFAULT_REGION: $(AWS_DEFAULT_REGION)