# .gitea/workflows/openapi.yml
name: OpenAPI evaluation

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
    paths:
      - 'docs/*/openapi/*.yaml'
      - 'docs/*/openapi/*.yml'

jobs:
  openapi:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Dump Gitea env
        run: |
          env | sort | grep GITEA

      - name: Get base branch name
        id: base
        run: |
          base_ref=$(jq -r '.pull_request.base.ref' "$GITEA_PATH")
          echo "base_ref=$base_ref"
          echo "${{ gitea.base_ref }}"
          BASE_SHA="${{ gitea.event.pull_request.base.sha }}"
          echo "Base SHA: $BASE_SHA"

      - name: Get changed files other method
        id: changed-files
        run: |
          BASE_SHA="${{ gitea.event.pull_request.base.sha }}"
          echo "Base SHA: $BASE_SHA"
          git fetch origin $BASE_SHA
          echo "changed_files=$(git diff --name-only ${BASE_SHA}...HEAD | grep -E '^docs/[^/]+/openapi/.*\.(yaml|yml)$' | xargs)" >> $GITHUB_OUTPUT

      - name: List changed files
        run: |
          for file in ${{ steps.changed-files.outputs.changed_files }}; do
            echo "$file was changed"
          done

      - name: Get changed OpenAPI files (branch URLs)
        id: changed-urls
        run: |
          BASE_SHA="${{ gitea.event.pull_request.base.sha }}"
          git fetch origin $BASE_SHA

          # Use PR branch if available, otherwise push branch
          BRANCH="${{ gitea.head_ref }}"
          if [ -z "$BRANCH" ]; then
            BRANCH="${{ gitea.ref_name }}"
          fi

          REPO_URL="${{ gitea.server_url }}/${{ gitea.repository }}"

          # Only docs/*/openapi/*.yaml or yml
          # FILES=$(git diff --name-only ${BASE_SHA}...HEAD \
          #   | grep -E '^docs/[^/]+/openapi/.*\.(yaml|yml)$' || true)

          echo "changed urls"

          for file in ${{ steps.changed-files.outputs.changed_files }}; do
            echo "$REPO_URL/src/branch/$BRANCH/$file"
          done
          
          echo "changed_urls<<EOF" >> $GITHUB_OUTPUT

          for file in ${{ steps.changed-files.outputs.changed_files }}; do
            echo "$REPO_URL/src/branch/$BRANCH/$file"
          done >> $GITHUB_OUTPUT

          echo "EOF" >> $GITHUB_OUTPUT

      - name: List URLs
        run: |
          while IFS= read -r url; do
            echo "$url was changed"
          done <<< "${{ steps.changed-urls.outputs.changed_urls }}"

      - name: Validate OpenAPI files
        env:
          OPENAPI_TOKEN: ${{ secrets.OPENAPI_TOKEN }}
        run: |
          while IFS= read -r url; do
            [ -z "$url" ] && continue
            echo "$(jq -n --arg path "$url" '{path: $path, export: "xml", ruleset: "default"}')"

            echo "Validating $url"

            curl -sS -X POST "https://openapi-validator.eco-preprod.tsi-dev.otc-service.com/api/validate" \
              -H "Content-Type: application/json" \
              -H "Authorization: Bearer $OPENAPI_TOKEN" \
              -d "$(jq -n \
                --arg path "$url" \
                '{path: $path, export: "xml", ruleset: "default"}')"

            echo
          done <<< "${{ steps.changed-urls.outputs.changed_urls }}"