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: v18
  PERSISTENT_CACHE_DIR: cached

jobs:
  build:
    name: "Build and test (${{ matrix.mix_env }}, ${{ matrix.postgres_image }})"
    runs-on: blacksmith-4vcpu-ubuntu-2404
    strategy:
      matrix:
        mix_env: ["test", "ce_test"]
        postgres_image: ["postgres:18"]
        mix_test_partition: [1, 2, 3, 4, 5, 6]

    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:25.11.5.8-alpine
        ports:
          - 8123:8123
        env:
          CLICKHOUSE_SKIP_USER_SETUP: 1
          options: >-
            --health-cmd nc -zw3 localhost 8124
            --health-interval 10s
            --health-timeout 5s
            --health-retries 5
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0
          filter: blob:none

      - uses: marocchino/tool-versions-action@18a164fa2b0db1cc1edf7305fcb17ace36d1c306 # v1.2.0
        id: versions
      - uses: erlef/setup-beam@fc68ffb90438ef2936bbb3251622353b3dcb2f93 # v1.24.0
        with:
          elixir-version: ${{ steps.versions.outputs.elixir }}
          otp-version: ${{ steps.versions.outputs.erlang }}

      - uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        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@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4.0.1
        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
        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 6
        if: env.MIX_ENV == 'ce_test'
        env:
          MIX_TEST_PARTITION: ${{ matrix.mix_test_partition }}

  e2e:
    name: End-to-end tests
    runs-on: blacksmith-4vcpu-ubuntu-2404
    timeout-minutes: 15
    env:
      MIX_ENV: e2e_test
      BASE_URL: "http://localhost:8111"
    services:
      postgres:
        image: "postgres:18"
        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:25.11.5.8-alpine
        ports:
          - 8123:8123
        env:
          CLICKHOUSE_SKIP_USER_SETUP: 1
          options: >-
            --health-cmd nc -zw3 localhost 8124
            --health-interval 10s
            --health-timeout 5s
            --health-retries 5
    strategy:
      fail-fast: false
      matrix:
        shardIndex: [1, 2]
        shardTotal: [2]
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0
          filter: blob:none

      - uses: marocchino/tool-versions-action@18a164fa2b0db1cc1edf7305fcb17ace36d1c306 # v1.2.0
        id: versions

      - uses: erlef/setup-beam@fc68ffb90438ef2936bbb3251622353b3dcb2f93 # v1.24.0
        with:
          elixir-version: ${{ steps.versions.outputs.elixir }}
          otp-version: ${{ steps.versions.outputs.erlang }}

      - uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        with:
          path: |
            deps
            _build
            assets/node_modules
            tracker/node_modules
            priv/tracker/js
            priv/tracker/installation_support
            ${{ env.PERSISTENT_CACHE_DIR }}
          key: e2e-${{ env.MIX_ENV }}-${{ env.CACHE_VERSION }}-${{ github.head_ref || github.ref }}-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            e2e-${{ env.MIX_ENV }}-${{ env.CACHE_VERSION }}-${{ github.head_ref || github.ref }}-
            e2e-${{ env.MIX_ENV }}-${{ env.CACHE_VERSION }}-refs/heads/master-

      - name: Cache E2E dependencies and Playwright browsers
        uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        id: playwright-cache
        with:
          path: |
            e2e/node_modules
            ~/.cache/ms-playwright
            ~/.cache/ms-playwright-github
          key: playwright-${{ runner.os }}-${{ hashFiles('e2e/package-lock.json') }}
          restore-keys: |
            playwright-${{ runner.os }}-

      - name: Check for changes in tracker/**
        uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4.0.1
        id: changes
        with:
          filters: |
            tracker:
              - 'tracker/**'

      - run: npm install --prefix ./tracker
      - run: npm run deploy --prefix ./tracker
      - run: mix deps.get --only $MIX_ENV
      - run: mix compile --warnings-as-errors --all-warnings
      - run: npm install --prefix ./assets
      - run: mix assets.deploy
      - run: mix do ecto.create, ecto.migrate
      - run: mix download_country_database
      - run: mix run -e "Tzdata.ReleaseUpdater.poll_for_update"

      - name: Install E2E dependencies
        run: npm --prefix ./e2e ci

      - name: Check format
        run: npm --prefix ./e2e run check-format

      - name: Check types
        run: npm --prefix ./e2e run typecheck

      - name: Install E2E Playwright Browsers
        if: steps.playwright-cache.outputs.cache-hit != 'true'
        working-directory: ./e2e
        run: npx playwright install --with-deps chromium

      - name: Run E2E Playwright tests
        run: npm --prefix ./e2e test -- --shard=${{ matrix.shardIndex }}/${{ matrix.shardTotal }} --reporter=blob

      - name: Upload E2E blob report to GitHub Actions Artifacts
        if: ${{ !cancelled() }}
        uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
        with:
          name: e2e-blob-report-${{ matrix.shardIndex }}
          path: e2e/blob-report
          retention-days: 1

  merge-sharded-e2e-test-report:
    if: ${{ !cancelled() }}
    needs: [e2e]
    timeout-minutes: 15
    runs-on: blacksmith-4vcpu-ubuntu-2404
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
      - uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
        with:
          node-version: 23.2.0
          cache: 'npm'
          cache-dependency-path: e2e/package-lock.json
      - name: Install dependencies
        run: npm --prefix ./e2e ci

      - name: Download blob reports from GitHub Actions Artifacts
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          path: all-e2e-blob-reports
          pattern: e2e-blob-report-*
          merge-multiple: true

      - name: Merge into list report
        working-directory: ./e2e
        run: npx playwright merge-reports --reporter list ../all-e2e-blob-reports

  static:
    name: Static checks (format, credo, dialyzer)
    env:
      MIX_ENV: test
    runs-on: blacksmith-4vcpu-ubuntu-2404
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0
          filter: blob:none

      - uses: marocchino/tool-versions-action@18a164fa2b0db1cc1edf7305fcb17ace36d1c306 # v1.2.0
        id: versions

      - uses: erlef/setup-beam@fc68ffb90438ef2936bbb3251622353b3dcb2f93 # v1.24.0
        with:
          elixir-version: ${{ steps.versions.outputs.elixir }}
          otp-version: ${{ steps.versions.outputs.erlang }}

      - uses: actions/cache@668228422ae6a00e4ad889ee87cd7109ec5666a7 # v5.0.4
        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 generate_countries_meta && git diff --exit-code -- assets/data/countries_meta.json
      - run: mix credo diff --from-git-merge-base origin/master
      - run: mix dialyzer