on:
  push:
    branches:
      - main

env:
  NIX_CONFIG: experimental-features = nix-command flakes

jobs:
  package:
    runs-on: nixos
    steps:
      - name: Install node & pnpm
        run: nix profile add nixpkgs#nodejs_24 nixpkgs#pnpm

      - name: Check out repo
        uses: https://data.forgejo.org/actions/checkout@v4

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Install sed & jq
        run: nix profile add nixpkgs#gnused nixpkgs#jq

      - name: Pack package
        run: pnpm pack

      - name: Read release metadata
        id: version
        run: |
          set -eu

          VERSION="$(node -p "require('./package.json').version")"
          SHORT_SHA="$(git rev-parse --short=7 HEAD)"
          TAG="$VERSION"
          PRERELEASE="false"
          PACKAGE="methanium-ui.tgz"

          test -f "$PACKAGE"

          echo "version=$VERSION" >> "$FORGEJO_OUTPUT"
          echo "tag=$TAG" >> "$FORGEJO_OUTPUT"
          echo "title=$TAG" >> "$FORGEJO_OUTPUT"
          echo "prerelease=$PRERELEASE" >> "$FORGEJO_OUTPUT"
          echo "package=$PACKAGE" >> "$FORGEJO_OUTPUT"

      - name: Create release and upload package
        env:
          TOKEN: ${{ forgejo.token }}
          API: ${{ forgejo.api_url }}
          REPO: ${{ forgejo.repository }}
          SHA: ${{ forgejo.sha }}
          TAG: ${{ steps.version.outputs.tag }}
          TITLE: ${{ steps.version.outputs.title }}
          PRERELEASE: ${{ steps.version.outputs.prerelease }}
          PACKAGE: ${{ steps.version.outputs.package }}
        run: |
          set -eu

          HTTP_STATUS=$(curl -s -w "%{http_code}" -o release_out.json -H "Authorization: token $TOKEN" "$API/repos/$REPO/releases/tags/$TAG")

          if [ "$HTTP_STATUS" = "200" ]; then
            echo "Release $TAG already exists."
            RELEASE_ID="$(jq -r .id release_out.json)"
          else
            echo "Creating release for $TAG"
            RELEASE_JSON="$(curl -f -sS -X POST "$API/repos/$REPO/releases" \
              -H "Authorization: token $TOKEN" \
              -H "Content-Type: application/json" \
              -d "$(jq -n \
                --arg tag "$TAG" \
                --arg name "$TITLE" \
                --arg body "This is an automated release." \
                --arg target "$SHA" \
                --argjson prerelease "$PRERELEASE" \
                '{
                  tag_name: $tag,
                  name: $name,
                  body: $body,
                  target_commitish: $target,
                  draft: false,
                  prerelease: $prerelease
                }')")"
            RELEASE_ID="$(echo "$RELEASE_JSON" | jq -r .id)"
          fi

          curl -fsS -X POST "$API/repos/$REPO/releases/$RELEASE_ID/assets?name=$PACKAGE" \
            -H "Authorization: token $TOKEN" \
            -F "attachment=@$PACKAGE"