name: Build & Release Pack

on:
  push:
    branches: [main]
    tags: ['v*']

jobs:
  build:
    runs-on: docker
    steps:
      - name: Environment check
        run: |
          echo "cwd: $(pwd)"
          echo "GITHUB_WORKSPACE: ${GITHUB_WORKSPACE}"
          python3 --version; git --version 2>/dev/null || echo "git: MISSING"
          curl --version 2>/dev/null | head -1 || echo "curl: MISSING"
          tar --version 2>/dev/null | head -1 || echo "tar: MISSING"

      - name: Fetch sources
        run: |
          REPO="https://git.mithraic.cloud/ad3laid3/FKRPG.git"
          if [ -n "${GITHUB_TOKEN}" ]; then
            git -c "credential.https://git.mithraic.cloud.username=x-access-token" \
                -c "credential.https://git.mithraic.cloud.password=${GITHUB_TOKEN}" \
                clone --branch "${GITHUB_REF_NAME}" --depth 1 "${REPO}" "${GITHUB_WORKSPACE}"
          else
            git clone --branch "${GITHUB_REF_NAME}" --depth 1 "${REPO}" "${GITHUB_WORKSPACE}"
          fi

      - name: Refresh index
        working-directory: client_pack
        run: ../tools/packwiz refresh

      - name: Integrity check
        working-directory: client_pack
        run: python3 ../tools/validate_pack.py . integrity

      - name: Sanity grep download URLs
        working-directory: client_pack
        run: python3 ../tools/validate_pack.py . sanity

      - name: Export client Modrinth pack
        working-directory: client_pack
        run: ../tools/packwiz modrinth export -o ../FKRPG-${GITHUB_REF_NAME}.mrpack --restrictDomains=false

      - name: Refresh server index
        working-directory: server_pack
        run: ../tools/packwiz refresh

      - name: Integrity check (server)
        working-directory: server_pack
        run: python3 ../tools/validate_pack.py . integrity

      - name: Sanity grep download URLs (server)
        working-directory: server_pack
        run: python3 ../tools/validate_pack.py . sanity

      - name: Export server Modrinth pack
        working-directory: server_pack
        run: ../tools/packwiz modrinth export -o ../FKRPG-SERVER-${GITHUB_REF_NAME}.mrpack --restrictDomains=false

      - name: Release
        if: startsWith(github.ref, 'refs/tags/v')
        run: |
          set -e
          TAG="${GITHUB_REF_NAME}"
          API="https://git.mithraic.cloud/api/v1/repos/ad3laid3/FKRPG/releases"
          AUTH="Authorization: token ${{ secrets.GITHUB_TOKEN }}"
          RELEASE_JSON=$(curl -sS -X POST "$API" \
            -H "$AUTH" \
            -H "Content-Type: application/json" \
            -d "{\"tag_name\":\"$TAG\",\"name\":\"FKRPG $TAG\",\"body\":\"Download the .mrpack and import it into Prism Launcher (File > Import Instance > select the file). All mods are bundled or auto-fetched. Use the SERVER pack on the server side. Worldgen tuned for realistic+expansive RPG (Tectonic+Terralith+Continents).\"}")
          RELEASE_ID=$(printf '%s' "$RELEASE_JSON" | python3 -c "import sys,json; print(json.load(sys.stdin)['id'])")
          for mr in "FKRPG-${TAG}.mrpack" "FKRPG-SERVER-${TAG}.mrpack"; do
            curl -sS -X POST "$API/$RELEASE_ID/assets?name=${mr}" \
              -H "$AUTH" \
              -F "attachment=@${mr}"
          done
          echo "Uploaded FKRPG-${TAG}.mrpack and FKRPG-SERVER-${TAG}.mrpack"