version: 2.1
executors:
  default:
    docker:
      - image: filecoin/rust:latest
    working_directory: /mnt/crate
  doxygen:
    docker:
      - image: hrektts/doxygen
  python:
    docker:
      - image: 3.7.7-stretch
            

restore-workspace: &restore-workspace
  attach_workspace:
    at: /mnt

restore-cache: &restore-cache
  restore_cache:
    keys:
      - cargo-v3-{{ checksum "rust-toolchain" }}-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}-{{ arch }}
      - repo-source-{{ .Branch }}-{{ .Revision }}

commands:
  test_target:
    parameters:
      target:
        type: string
    steps:
      - *restore-workspace
      - *restore-cache
      - run:
          name: Test (<< parameters.target >>)
          command: TARGET=<< parameters.target >> ci_scripts/run-rust-test.sh
          no_output_timeout: 15m

jobs:
  cargo_fetch:
    executor: default
    steps:
      - checkout
      - restore_cache:
          keys:
            - cargo-v3-{{ checksum "rust-toolchain" }}-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}-{{ arch }}
      - run: rustup install $(cat rust-toolchain)
      - run: rustup default $(cat rust-toolchain)
      - run: rustup component add --toolchain $(cat rust-toolchain) rustfmt
      - run: rustup component add --toolchain $(cat rust-toolchain) clippy-preview
      - run: cargo fetch
      - run: rustc +stable --version
      - run: rustc +$(cat rust-toolchain) --version
      # make sure this git repo doesn't grow too big
      - run: git gc
      - persist_to_workspace:
          root: /mnt
          paths:
            - crate
      - save_cache:
          key: cargo-v3-{{ checksum "rust-toolchain" }}-{{ checksum "Cargo.toml" }}-{{ checksum "Cargo.lock" }}-{{ arch }}
          paths:
            - "~/.cargo"
            - "~/.rustup"

  rustfmt:
    executor: default
    steps:
      - *restore-workspace
      - *restore-cache
      - run:
          name: Run cargo fmt
          command: cargo fmt --all -- --check

  test_macos:
    macos:
      xcode: "10.0.0"
    working_directory: ~/crate
    steps:
      - run:
          name: Configure environment variables
          command: |
            echo 'export PATH="${HOME}/.cargo/bin:${HOME}/.bin:${PATH}"' >> $BASH_ENV
            echo 'export CIRCLE_ARTIFACTS="/tmp"' >> $BASH_ENV
      - checkout
      - run:
          name: Install Rust
          command: |
            curl https://sh.rustup.rs -sSf | sh -s -- -y
      - run: rustup install $(cat rust-toolchain)
      - run: rustup default $(cat rust-toolchain)
      - run: cargo fetch
      - run:
          name: Test
          command: TARGET=x86_64-apple-darwin ci_scripts/run-rust-test.sh

  test_x86_64-unknown-linux-gnu:
    executor: default
    steps:
      - test_target:
          target: "x86_64-unknown-linux-gnu"

  test_i686-unknown-linux-gnu:
    executor: default
    steps:
      - test_target:
          target: "i686-unknown-linux-gnu"

  test_aarch64-linux-android:
    executor: default
    steps:
      - test_target:
          target: "aarch64-linux-android"


  build_doxygen:
    executor: doxygen
    steps:
      - checkout
      - run: bash ci_scripts/run-doxygen.sh
      - run: mkdir -p workspace/c-docs
      - run: cp -av deltachat-ffi/{html,xml} workspace/c-docs/
      - persist_to_workspace:
          root: workspace
          paths:
            - c-docs

  remote_python_packaging:
    machine: true
    steps:
      - checkout
      # the following commands on success produces
      # workspace/{wheelhouse,py-docs} as artefact directories
      - run: bash ci_scripts/remote_python_packaging.sh 
      - persist_to_workspace:
          root: workspace
          paths:
            # - c-docs
            - py-docs
            - wheelhouse

  remote_tests_python:
    machine: true
    steps:
      - checkout
      - run: ci_scripts/remote_tests_python.sh

  upload_docs_wheels:
    machine: true
    steps:
      - checkout
      - attach_workspace:
          at: workspace
      - run: pyenv versions
      - run: pyenv global 3.5.2
      - run: ls -laR workspace
      - run: ci_scripts/ci_upload.sh workspace/py-docs workspace/wheelhouse workspace/c-docs

  clippy:
    executor: default
    steps:
      - *restore-workspace
      - *restore-cache
      - run:
          name: Run cargo clippy
          command: cargo clippy 


workflows:
  version: 2.1

  test:
    jobs:
      # - cargo_fetch

      - remote_tests_python:
          filters:
            tags:
              only: /.*/

      - remote_python_packaging:
          requires: 
             - remote_tests_python
          filters:
            branches:
              only: master
            tags:
              only: /.*/

      - upload_docs_wheels:
          requires:
             - remote_python_packaging
             - build_doxygen
          filters:
            branches:
              only: master
            tags:
              only: /.*/
      # - rustfmt:
      #     requires:
      #       - cargo_fetch
      # - clippy:
      #     requires:
      #      - cargo_fetch

      - build_doxygen:
          filters:
            branches:
              only: master
            tags:
              only: /.*/

      # Linux Desktop 64bit
      # - test_x86_64-unknown-linux-gnu:
      #     requires:
      #       - cargo_fetch

      # Linux Desktop 32bit
      # - test_i686-unknown-linux-gnu:
      #     requires:
      #       - cargo_fetch

      # Android 64bit
      # - test_aarch64-linux-android:
      #     requires:
      #       - cargo_fetch

      # Desktop Apple
      # - test_macos:
      #     requires:
      #       - cargo_fetch