version: 2.1

aliases:
  - &plume-docker
    image: plumeorg/plume-buildenv:v0.0.5
  - &defaults
    docker:
      - *plume-docker
    working_directory: ~/projects/Plume
  - &postgresql
    docker:
      - *plume-docker
      - image: circleci/postgres:9.6-alpine
        environment:
          POSTGRES_USER: postgres
          POSTGRES_DB: plume
    working_directory: ~/projects/Plume
  - &selenium
    docker:
      - *plume-docker
      - image: elgalu/selenium:latest
    working_directory: ~/projects/Plume
  - &postgresql_selenium
    docker:
      - *plume-docker
      - image: circleci/postgres:9.6-alpine
        environment:
          POSTGRES_USER: postgres
          POSTGRES_DB: plume
      - image: elgalu/selenium:latest
    working_directory: ~/projects/Plume

  - &attach_workspace
    attach_workspace:
      at: ~/projects/Plume/
  - &persist_to_workspace
    persist_to_workspace:
      root: ~/projects/Plume/
      paths:
        - ./

  - &env_postgresql
    environment:
      MIGRATION_DIRECTORY: migrations/postgres
      FEATURES: postgres
      DATABASE_URL: postgres://postgres@localhost/plume
      RUST_TEST_THREADS: 1
  - &env_sqlite
    environment:
      MIGRATION_DIRECTORY: migrations/sqlite
      FEATURES: sqlite
      DATABASE_URL: plume.sqlite3
      RUST_TEST_THREADS: 1

  - &restore_cache
    restore_cache:
      keys:
        - v1-plume-notest-{{ checksum "Cargo.lock" }}
        - v1-plume-notest
  - &save_cache
    save_cache:
      key: v1-plume-notest-{{ checksum "Cargo.lock" }}
      paths:
        - ~/.cargo/
        - ./target

  - &restore_cache_web
    restore_cache:
      keys:
        - v1-plume-web-{{ checksum "Cargo.lock" }}
        - v1-plume-web
  - &save_cache_web
    save_cache:
      key: v1-plume-web-{{ checksum "Cargo.lock" }}
      paths:
        - ~/.cargo/
        - ./target

  - &restore_cache_cli
    restore_cache:
      keys:
        - v1-plume-notest-{{ checksum "Cargo.lock" }}-{{ checksum "/FEATURES" }}-cli
        - v1-plume-notest-{{ checksum "Cargo.lock" }}-{{ checksum "/FEATURES" }}
        - v1-plume-notest-{{ checksum "Cargo.lock" }}
        - v1-plume-notest
  - &save_cache_cli
    save_cache:
      key: v1-plume-notest-{{ checksum "Cargo.lock" }}-{{ checksum "/FEATURES" }}-cli
      paths:
        - ~/.cargo/
        - target

  - &restore_cache_release
    restore_cache:
      keys:
        - v1-plume-release-{{ checksum "Cargo.lock" }}
        - v1-plume-release
        - v1-plume-notest-{{ checksum "Cargo.lock" }}
        - v1-plume-notest
  - &save_cache_release
    save_cache:
      key: v1-plume-release-{{ checksum "Cargo.lock" }}
      paths:
        - ~/.cargo
        - target/release
        - target/wasm32-unknown-unknown/release

  - &restore_cache_plume_dead_code
    restore_cache:
      keys:
        - v1-plume-test-{{ checksum "/FEATURES" }}-{{ checksum "Cargo.lock" }}-plume
        - v1-plume-test-{{ checksum "/FEATURES" }}-{{ checksum "Cargo.lock" }}
        - v1-plume-test-{{ checksum "/FEATURES" }}
        - v1-plume-notest-{{ checksum "Cargo.lock" }}-{{ checksum "/FEATURES" }}
        - v1-plume-notest-{{ checksum "Cargo.lock" }}
        - v1-plume-notest
  - &save_cache_plume_dead_code
    save_cache:
      key: v1-plume-test-{{ checksum "/FEATURES" }}-{{ checksum "Cargo.lock" }}-plume
      paths:
        - ~/.cargo/
        - target

  - &test_cli
    steps:
      - *attach_workspace
      - run:
          name: Set cache key
          command: echo "$FEATURES" > /FEATURES
      - *restore_cache_cli
      - run:
           name: clippy
           command: cargo clippy --no-default-features --features="${FEATURES}" --release -p plume-cli -- -D warnings
      - *save_cache_cli
  - &test_unit
    steps:
      - *attach_workspace
      - run:
          name: Set cache key
          command: echo "$FEATURES" > /FEATURES
      - *restore_cache_plume_dead_code
      - run:
          name: clippy
          command: cargo clippy --no-default-features --features="${FEATURES}" --release -- -D warnings
      - run:
          name: compile test
          command: cargo test --no-default-features --features="${FEATURES}" --all --exclude plume-front --no-run || cargo test --no-default-features --features="${FEATURES}" --all --exclude plume-front --no-run
      - run:
          name: run test
          command: ./script/run_unit_test.sh
      - run:
          name: upload coverage
          command: ./script/upload_coverage.sh unit
      - *save_cache_plume_dead_code

  - &test_browser
    steps:
      - *attach_workspace
      - run:
          name: Set cache key
          command: echo "$FEATURES" > /FEATURES
      - *restore_cache_plume_dead_code
      - run:
          name: install server
          command: cargo install --debug --no-default-features --features="${FEATURES}",test --path . -f || cargo install --debug --no-default-features --features="${FEATURES}",test --path . -f
      - run:
          name: install plm
          command: cargo install --debug --no-default-features --features="${FEATURES}" --path plume-cli -f || cargo install --debug --no-default-features --features="${FEATURES}" --path plume-cli -f
      - run:
          name: run test
          command: ./script/run_browser_test.sh
          environment:
            BROWSER: firefox
      - run:
          name: upload coverage
          command: ./script/upload_coverage.sh integration
      - *save_cache_plume_dead_code

  - &release
    steps:
      - *attach_workspace
      - *restore_cache_release
      - run:
          name: build frontend
          command: cargo web deploy -p plume-front --release
      - run:
          name: build server
          command: cargo build --release --no-default-features --features="${FEATURES}" || cargo build --release --no-default-features --features="${FEATURES}"
      - run:
          name: build plm
          command: cargo build --release --no-default-features --features="${FEATURES}" -p plume-cli || cargo build --release --no-default-features --features="${FEATURES}" -p plume-cli
      - *save_cache_release
      - run: script/generate_artifact.sh
      - store_artifacts:
          path: plume.tar.gz
          destination: plume.tar.gz


jobs:
  download_deps:
    <<: *defaults
    steps:
      - checkout
      - *attach_workspace
      - *restore_cache
      - run: cargo fetch
      - *save_cache
      - *persist_to_workspace

  cargo_fmt:
    <<: *defaults
    steps:
      - *attach_workspace
      - run: cargo fmt --all -- --check

  build_web:
    <<: *defaults
    steps:
      - *attach_workspace
      - *restore_cache_web
      - run: cargo clippy -p plume-front -- -D warnings
      - run: cargo web deploy -p plume-front
      - *save_cache_web
      - *persist_to_workspace

  test_cli_postgresql:
    <<: *postgresql
    <<: *env_postgresql
    <<: *test_cli

  test_cli_sqlite:
    <<: *defaults
    <<: *env_sqlite
    <<: *test_cli

  test_unit_postgresql:
    <<: *postgresql
    <<: *env_postgresql
    <<: *test_unit

  test_unit_sqlite:
    <<: *defaults
    <<: *env_sqlite
    <<: *test_unit

  test_browser_postgresql:
    <<: *postgresql_selenium
    <<: *env_postgresql
    <<: *test_browser

  test_browser_sqlite:
    <<: *selenium
    <<: *env_sqlite
    <<: *test_browser
  all_ok:
    docker:
      - image: alpine:3.7
    steps:
      - run: /bin/true
  release_postgresql:
    <<: *defaults
    <<: *env_postgresql
    <<: *release
  release_sqlite:
    <<: *defaults
    <<: *env_sqlite
    <<: *release

workflows:
  version: 2
  build_and_test:
    jobs:
      - download_deps
      - cargo_fmt:
          requires:
            - download_deps
      - build_web:
          requires:
            - download_deps
      - test_cli_postgresql:
          requires:
            - download_deps
      - test_cli_sqlite:
          requires:
            - download_deps
      - test_unit_postgresql:
          requires:
            - download_deps
      - test_unit_sqlite:
          requires:
            - download_deps
      - test_browser_postgresql:
          requires:
            - build_web
      - test_browser_sqlite:
          requires:
            - build_web
      - all_ok:
          requires:
            - cargo_fmt
            - test_cli_postgresql
            - test_cli_sqlite
            - test_unit_postgresql
            - test_unit_sqlite
            - test_browser_postgresql
            - test_browser_sqlite
      - release_postgresql:
          requires:
            - all_ok
      - release_sqlite:
          requires:
            - all_ok