name: release

on:
  push:
    tags:
      - "v*"
  workflow_dispatch:
    inputs:
      tag:
        description: "Tag to release (e.g. v0.2.0)"
        required: true

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: https://gitea.com/actions/checkout@v4

      - name: Setup Node
        uses: https://gitea.com/actions/setup-node@v4
        with:
          node-version: "20"

      - name: Install dependencies
        run: npm ci || npm install

      - name: Test
        run: npm test

      - name: Build bundle
        run: npm run build

      - name: Stage release artifacts
        run: |
          mkdir -p release
          cp dist/app.mjs       release/app.mjs
          cp scripts/install.sh release/install.sh
          ls -lh release/

      - name: Resolve tag
        id: tag
        run: |
          if [ -n "${{ inputs.tag }}" ]; then
            echo "name=${{ inputs.tag }}" >> "$GITHUB_OUTPUT"
          else
            echo "name=${GITHUB_REF_NAME}" >> "$GITHUB_OUTPUT"
          fi

      - name: Publish Gitea Release
        env:
          TOKEN: ${{ secrets.GITEA_TOKEN || secrets.GITHUB_TOKEN }}
          TAG: ${{ steps.tag.outputs.name }}
        run: |
          set -eu
          API="${GITHUB_SERVER_URL}/api/v1/repos/${GITHUB_REPOSITORY}/releases"
          parse_id='let d="";process.stdin.on("data",c=>d+=c).on("end",()=>{try{process.stdout.write(String(JSON.parse(d).id||""))}catch(e){}})'

          rid=$(curl -sS -X POST "$API" \
            -H "Authorization: token $TOKEN" \
            -H "Content-Type: application/json" \
            -d "{\"tag_name\":\"$TAG\",\"name\":\"$TAG\",\"draft\":false,\"prerelease\":false}" \
            | node -e "$parse_id")

          if [ -z "$rid" ]; then
            echo "release may already exist, fetching by tag $TAG"
            rid=$(curl -sS "$API/tags/$TAG" -H "Authorization: token $TOKEN" | node -e "$parse_id")
          fi

          if [ -z "$rid" ]; then
            echo "failed to create or find release for $TAG" >&2
            exit 1
          fi
          echo "release id=$rid"

          for f in release/app.mjs release/install.sh; do
            name=$(basename "$f")
            echo "uploading $name"
            curl -sS -X POST "$API/$rid/assets?name=$name" \
              -H "Authorization: token $TOKEN" \
              -F "attachment=@$f" \
              -o /dev/null -w "  -> HTTP %{http_code}\n"
          done