gendoc: &gendoc
  name: Generate the docs
  # Note: Node dependencies are required for the hugo build.
  # Note: We use a custom config file for circleci due to some specifics with hosting the
  #       site using CircleCI's artifacts platform. See config-circleci.toml for details.
  command: |
    apk add nodejs npm git hugo
    npm i
    cat config-circleci.toml config.toml > hugo-config.toml
    hugo --config hugo-config.toml --baseURL "/${CIRCLE_NODE_INDEX}/public"

genswagger: &genswagger
  name: Validate sources and generate swagger json
  command: |
    source /env/bin/activate
    scripts/check-swagger-sources.py
    scripts/dump-swagger.py

buildswaggerui: &buildswaggerui
  name: Build Swagger UI
  command: |
    ls scripts/
    mkdir -p api/client-server
    git clone https://github.com/matrix-org/swagger-ui swagger-ui
    cp -r swagger-ui/dist/* api/client-server/
    mkdir -p api/client-server/json
    cp scripts/swagger/api-docs.json api/client-server/json/
    wget https://raw.githubusercontent.com/matrix-org/matrix.org/master/content/swagger.css -O api/client-server/swagger.css
    wget https://raw.githubusercontent.com/matrix-org/matrix.org/master/scripts/swagger-ui.patch
    patch api/client-server/index.html swagger-ui.patch

checkexamples: &checkexamples
  name: Check Event Examples
  command: |
    source /env/bin/activate
    scripts/check-event-schema-examples.py

validateapi: &validateapi
  name: Validate OpenAPI specifications
  command: |
    cd scripts
    npm install
    node validator.js -s "../data/api/client-server"

buildspeculator: &buildspeculator
  name: Build Speculator
  command: |
    cd scripts/speculator
    go build -v

version: 2
jobs:
  validate-docs:
    docker:
      - image: node:alpine
    steps:
      - checkout
      - run: *validateapi
  check-docs:
    docker:
      - image: uhoreg/matrix-doc-build
    steps:
      - checkout
      - run: *checkexamples
  build-docs:
    docker:
      - image: alpine
    steps:
      # Note: We install git in the image so we can pull git submodules. The hugo theme in use
      # is a git submodule, which has its own submodules, and all need to be loaded.
      - run: apk add git
      - checkout
      - run: git submodule update --init --recursive
      - run: *gendoc
      - store_artifacts:
          path: public
      - run:
          name: "Doc build is available at:"
          command: DOCS_URL="${CIRCLE_BUILD_URL}/artifacts/${CIRCLE_NODE_INDEX}/public/index.html"; echo $DOCS_URL
  build-swagger:
    docker:
      - image: uhoreg/matrix-doc-build
    steps:
      - checkout
      - run: *genswagger
      - run: *buildswaggerui
      - store_artifacts:
          path: api/client-server/
      - run:
          name: "Swagger UI is available at:"
          command: DOCS_URL="${CIRCLE_BUILD_URL}/artifacts/${CIRCLE_NODE_INDEX}/${CIRCLE_WORKING_DIRECTORY/#\~/$HOME}/api/client-server/index.html"; echo $DOCS_URL
  build-dev-scripts:
    docker:
      - image: golang:1.10
    steps:
      - checkout
      - run:
          name: Install Dependencies
          command: |
            go get -v github.com/hashicorp/golang-lru
      - run: *buildspeculator

workflows:
  version: 2

  build-spec:
    jobs:
      - build-docs
      - build-swagger
      - check-docs
      - validate-docs
      - build-dev-scripts

notify:
  webhooks:
    - url: https://giles.cadair.dev/circleci