version: 2.1
executors:
  default:
    docker:
      - image: filecoin/rust:latest
    working_directory: /mnt/crate

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

restore-cache: &restore-cache
  restore_cache:
    keys:
      - cargo-v2-{{ 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
      - run:
          name: Update submodules
          command: git submodule update --init --recursive
      - run:
          name: Calculate dependencies
          command: cargo generate-lockfile
      - restore_cache:
          keys:
            - cargo-v2-{{ 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 $(cat rust-toolchain) clippy-preview
      - run: cargo update
      - run: cargo fetch
      - run: rustc +stable --version
      - run: rustc +$(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-v2-{{ 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 update
      - 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_test_docs_wheel:
    docker:
      - image: deltachat/coredeps
        environment:
            TESTS: 1
            DOCS: 1
    working_directory: /mnt/crate
    steps:
      - *restore-workspace
      - *restore-cache
      - run:
          name: build docs, run tests and build wheels
          command: ci_scripts/run-python.sh
      - run:
           name: copying docs and wheels to workspace
           command: |
             mkdir -p workspace/python
             # cp -av docs workspace/c-docs
             cp -av python/.docker-tox/wheelhouse workspace/
             cp -av python/doc/_build/ workspace/py-docs
      - persist_to_workspace:
          root: workspace
          paths:
            # - c-docs
            - py-docs
            - wheelhouse

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

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


workflows:
  version: 2.1

  test:
    jobs:
      - cargo_fetch
      - build_test_docs_wheel:
          requires:
            - cargo_fetch
      - upload_docs_wheels:
          requires:
            - build_test_docs_wheel
      - rustfmt:
          requires:
            - cargo_fetch
      - clippy:
          requires:
            - cargo_fetch

      # 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