name: Elixir CI

on:
  pull_request:
  push:
    branches: [master, stable]
  merge_group:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  CACHE_VERSION: v17
  PERSISTENT_CACHE_DIR: cached

jobs:
  build:
    name: "Build and test (${{ matrix.mix_env }}, ${{ matrix.postgres_image }})"
    runs-on: ubuntu-latest
    strategy:
      matrix:
        mix_env: ["test"]
        postgres_image: ["postgres:15"]
        mix_test_partition: [1, 2, 3, 4, 5, 6]

        include:
          - mix_env: "ce_test"
            postgres_image: "postgres:16"
            mix_test_partition: 1
          - mix_env: "ce_test"
            postgres_image: "postgres:16"
            mix_test_partition: 2
          - mix_env: "ce_test"
            postgres_image: "postgres:16"
            mix_test_partition: 3
          - mix_env: "ce_test"
            postgres_image: "postgres:16"
            mix_test_partition: 4

    env:
      MIX_ENV: ${{ matrix.mix_env }}
    services:
      postgres:
        image: ${{ matrix.postgres_image }}
        ports:
          - 5432:5432
        env:
          POSTGRES_PASSWORD: postgres
          options: >-
            --health-cmd pg_isready
            --health-interval 10s
            --health-timeout 5s
            --health-retries 5
      clickhouse:
        image: clickhouse/clickhouse-server:24.12.2.29-alpine
        ports:
          - 8123:8123
        env:
          options: >-
            --health-cmd nc -zw3 localhost 8124
            --health-interval 10s
            --health-timeout 5s
            --health-retries 5
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - uses: marocchino/tool-versions-action@v1
        id: versions
      - uses: erlef/setup-beam@v1
        with:
          elixir-version: ${{ steps.versions.outputs.elixir }}
          otp-version: ${{ steps.versions.outputs.erlang }}

      - uses: actions/cache@v4
        with:
          path: |
            deps
            _build
            tracker/node_modules
            priv/tracker/js
            priv/tracker/installation_support
            ${{ env.PERSISTENT_CACHE_DIR }}
          key: ${{ env.MIX_ENV }}-${{ env.CACHE_VERSION }}-${{ github.head_ref || github.ref }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            ${{ env.MIX_ENV }}-${{ env.CACHE_VERSION }}-${{ github.head_ref || github.ref }}-
            ${{ env.MIX_ENV }}-${{ env.CACHE_VERSION }}-refs/heads/master-

      - name: Check for changes in tracker/**
        uses: dorny/paths-filter@v3
        id: changes
        with:
          filters: |
            tracker:
              - 'tracker/**'
      - name: Check if tracker and verifier are built already
        run: |
          if [ -f priv/tracker/js/plausible-web.js ] && [ -f priv/tracker/installation_support/verifier.js ]; then
            echo "HAS_BUILT_TRACKER=true" >> $GITHUB_ENV
          else
            echo "HAS_BUILT_TRACKER=false" >> $GITHUB_ENV
          fi
      - run: npm install --prefix ./tracker
        if: steps.changes.outputs.tracker == 'true' || env.HAS_BUILT_TRACKER == 'false'
      - run: npm run deploy --prefix ./tracker
        if: steps.changes.outputs.tracker == 'true' || env.HAS_BUILT_TRACKER == 'false'

      - run: mix deps.get --only $MIX_ENV
      - run: mix compile --warnings-as-errors --all-warnings
      - run: mix do ecto.create, ecto.migrate
      - run: mix run -e "Tzdata.ReleaseUpdater.poll_for_update"

      - run: make minio
        if: env.MIX_ENV == 'test'
      - run: |
          mix test --include slow --include minio --include migrations --max-failures 1 --warnings-as-errors --partitions 6 | tee test_output.log
          if grep -E '\.+[0-9]{2}:[0-9]{2}:[0-9]{2}\.[0-9]{3} \[[^]]+\]' test_output.log | grep -v 'libcluster'; then
            echo "The tests are producing output, this usually indicates some error"
            exit 1
          fi
        shell: bash
        if: env.MIX_ENV == 'test'
        env:
          MINIO_HOST_FOR_CLICKHOUSE: "172.17.0.1"
          MIX_TEST_PARTITION: ${{ matrix.mix_test_partition }}


      - run: | 
          mix test --include slow --include migrations --max-failures 1 --warnings-as-errors --partitions 4 | tee test_output.log
          if grep -E '\.+[0-9]{2}:[0-9]{2}:[0-9]{2}\.[0-9]{3} \[[^]]+\]' test_output.log | grep -v 'libcluster'; then
            echo "The tests are producing output, this usually indicates some error"
              exit 1
          fi
        shell: bash
        if: env.MIX_ENV == 'ce_test'
        env:
          MIX_TEST_PARTITION: ${{ matrix.mix_test_partition }}

  static:
    name: Static checks (format, credo, dialyzer)
    env:
      MIX_ENV: test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - uses: marocchino/tool-versions-action@v1
        id: versions
      - uses: erlef/setup-beam@v1
        with:
          elixir-version: ${{ steps.versions.outputs.elixir }}
          otp-version: ${{ steps.versions.outputs.erlang }}

      - uses: actions/cache@v4
        with:
          path: |
            deps
            _build
            priv/plts
          key: static-${{ env.MIX_ENV }}-${{ env.CACHE_VERSION }}-${{ github.head_ref || github.ref }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            static-${{ env.MIX_ENV }}-${{ env.CACHE_VERSION }}-${{ github.head_ref || github.ref }}-
            static-${{ env.MIX_ENV }}-${{ env.CACHE_VERSION }}-refs/heads/master-

      - run: mix deps.get
      - run: mix compile --warnings-as-errors --all-warnings
      - run: mix format --check-formatted
      - run: mix deps.unlock --check-unused
      - run: mix credo diff --from-git-merge-base origin/master
      - run: mix dialyzer