name: Release Resource Pack

on:
  push:
    branches:
      - '**'
    tags:
      - 'v*'
      - '*.*.*'
  workflow_dispatch:

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

      - name: Ensure tools are available (zip, curl, jq)
        run: |
          need_install=false
          for b in zip curl jq; do
            if ! command -v "$b" >/dev/null 2>&1; then need_install=true; fi
          done
          if [ "$need_install" = true ]; then
            sudo apt-get update && sudo apt-get install -y zip curl jq ca-certificates
          fi

      - name: Zip and SHA1
        run: |
          set -euo pipefail
          test -f pack.mcmeta || { echo "pack.mcmeta not found at repo root"; exit 1; }
          TAG="${GITHUB_REF_NAME:-dev}"
          REPO_NAME="${GITHUB_REPOSITORY##*/}"
          ZIP_NAME="${REPO_NAME}-${TAG}.zip"
          zip -r -9 "${ZIP_NAME}" pack.mcmeta pack.png assets -x "**/.DS_Store" "**/Thumbs.db"
          sha1sum "${ZIP_NAME}" | tee "${ZIP_NAME}.sha1"
          echo "ZIP_PATH=${ZIP_NAME}" >> "$GITHUB_ENV"
          echo "SHA1_PATH=${ZIP_NAME}.sha1" >> "$GITHUB_ENV"

      - name: Upload artifact (ZIP and SHA1)
        uses: actions/upload-artifact@v4
        with:
          name: resource-pack-${{ github.ref_name }}-${{ github.run_number }}
          path: |
            ${{ env.ZIP_PATH }}
            ${{ env.SHA1_PATH }}
          if-no-files-found: error

      - name: Create Release and Upload Assets (Gitea API)
        if: startsWith(github.ref, 'refs/tags/')
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          set -euo pipefail
          : "${GITEA_TOKEN:?Missing GITEA_TOKEN secret}"
          TAG="${GITHUB_REF_NAME:-dev}"
          OWNER="${GITHUB_REPOSITORY%/*}"
          REPO="${GITHUB_REPOSITORY##*/}"
          API_BASE="${GITHUB_SERVER_URL%/}/api/v1"

          echo "Creating or fetching release for tag: $TAG"
          create_json=$(jq -n --arg tag "$TAG" --arg name "$TAG" --arg target "${GITHUB_SHA:-}" '{tag_name:$tag, name:$name, target_commitish:$target, draft:false, prerelease:false}')
          # Try to create the release
          set +e
          resp=$(curl -sS -w "\n%{http_code}" -H "Authorization: token ${GITEA_TOKEN}" -H 'Content-Type: application/json' \
            -X POST "${API_BASE}/repos/${OWNER}/${REPO}/releases" -d "$create_json")
          http_code=$(echo "$resp" | tail -n1)
          body=$(echo "$resp" | head -n-1)
          set -e
          if [ "$http_code" = "201" ] || [ "$http_code" = "200" ]; then
            release_id=$(echo "$body" | jq -r '.id')
          else
            # If already exists, fetch by tag
            body=$(curl -sS -H "Authorization: token ${GITEA_TOKEN}" "${API_BASE}/repos/${OWNER}/${REPO}/releases/tags/${TAG}")
            release_id=$(echo "$body" | jq -r '.id')
            if [ -z "$release_id" ] || [ "$release_id" = "null" ]; then
              echo "Failed to create or fetch release (HTTP $http_code)" >&2
              echo "$body" >&2
              exit 1
            fi
          fi
          echo "Release ID: $release_id"

          # Upload assets; remove existing with same name if present
          for path in "$ZIP_PATH" "$SHA1_PATH"; do
            name=$(basename "$path")
            assets=$(curl -sS -H "Authorization: token ${GITEA_TOKEN}" "${API_BASE}/repos/${OWNER}/${REPO}/releases/${release_id}/assets")
            existing_id=$(echo "$assets" | jq -r ".[] | select(.name==\"${name}\") | .id" || true)
            if [ -n "${existing_id:-}" ] && [ "${existing_id}" != "null" ]; then
              curl -sS -X DELETE -H "Authorization: token ${GITEA_TOKEN}" "${API_BASE}/repos/${OWNER}/${REPO}/releases/assets/${existing_id}" >/dev/null || true
            fi
            curl -sS -H "Authorization: token ${GITEA_TOKEN}" -F "attachment=@${path}" -F "name=${name}" \
              "${API_BASE}/repos/${OWNER}/${REPO}/releases/${release_id}/assets" >/dev/null
            echo "Uploaded ${name}"
          done