name: El SDK Release

on:
  push:
    branches:
      - main

jobs:
  build-and-release:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install build dependencies
        run: |
          apt-get update -qq
          apt-get install -y gcc libcurl4-openssl-dev

      # Gen2: compile the bootstrap C source into a working elc binary
      - name: Build elc from bootstrap (gen2)
        run: |
          gcc -O2 \
            -I el-compiler/runtime \
            dist/elc-bootstrap.c \
            el-compiler/runtime/el_runtime.c \
            -lcurl -lpthread \
            -o dist/elc-gen2
          chmod +x dist/elc-gen2
          echo "gen2 elc built"
          dist/elc-gen2 --version || true

      # Gen3: use gen2 to compile the El compiler from its own El source (self-host)
      - name: Self-host: compile El compiler with gen2 (gen3)
        run: |
          mkdir -p dist/platform
          dist/elc-gen2 el-compiler/src/compiler.el > dist/elc-gen3.c
          gcc -O2 \
            -I el-compiler/runtime \
            dist/elc-gen3.c \
            el-compiler/runtime/el_runtime.c \
            -lcurl -lpthread \
            -o dist/platform/elc
          chmod +x dist/platform/elc
          echo "gen3 (self-hosted) elc built"
          dist/platform/elc --version || true

      # Run all four test suites with gen3 elc
      - name: Run tests — text
        run: |
          ELC="$(pwd)/dist/platform/elc" \
          EL_HOME="$(pwd)" \
          bash tests/text/run.sh

      - name: Run tests — calendar
        run: |
          ELC="$(pwd)/dist/platform/elc" \
          EL_HOME="$(pwd)" \
          bash tests/calendar/run.sh

      - name: Run tests — time
        run: |
          ELC="$(pwd)/dist/platform/elc" \
          EL_HOME="$(pwd)" \
          bash tests/time/run.sh

      - name: Run tests — html_sanitizer
        run: |
          ELC="$(pwd)/dist/platform/elc" \
          EL_HOME="$(pwd)" \
          bash tests/html_sanitizer/run.sh

      # Publish / update the `latest` release with the three SDK assets
      - name: Publish latest release
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          GITEA_API: https://git.neuralplatform.ai/api/v1
          REPO: neuron-technologies/el
        run: |
          # Delete existing `latest` release if it exists
          EXISTING_ID=$(curl -sf \
            -H "Authorization: token ${GITEA_TOKEN}" \
            "${GITEA_API}/repos/${REPO}/releases/tags/latest" \
            | python3 -c "import sys,json; d=json.load(sys.stdin); print(d['id'])" 2>/dev/null || true)

          if [ -n "${EXISTING_ID}" ]; then
            echo "Deleting existing release id=${EXISTING_ID}"
            curl -sf -X DELETE \
              -H "Authorization: token ${GITEA_TOKEN}" \
              "${GITEA_API}/repos/${REPO}/releases/${EXISTING_ID}"
          fi

          # Delete and re-create the `latest` tag so it points at HEAD
          curl -sf -X DELETE \
            -H "Authorization: token ${GITEA_TOKEN}" \
            "${GITEA_API}/repos/${REPO}/tags/latest" || true

          # Create the release
          RELEASE_ID=$(curl -sf -X POST \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            "${GITEA_API}/repos/${REPO}/releases" \
            -d "{
              \"tag_name\": \"latest\",
              \"name\": \"El SDK (latest)\",
              \"body\": \"Latest El SDK build from commit ${GITHUB_SHA}.\nBuilt $(date -u +%Y-%m-%dT%H:%M:%SZ).\",
              \"draft\": false,
              \"prerelease\": false
            }" | python3 -c "import sys,json; print(json.load(sys.stdin)['id'])")

          echo "Created release id=${RELEASE_ID}"

          # Upload assets
          upload_asset() {
            local filepath="$1"
            local name="$2"
            echo "Uploading ${name}..."
            curl -sf -X POST \
              -H "Authorization: token ${GITEA_TOKEN}" \
              -F "attachment=@${filepath};filename=${name}" \
              "${GITEA_API}/repos/${REPO}/releases/${RELEASE_ID}/assets"
          }

          upload_asset dist/platform/elc                elc
          upload_asset el-compiler/runtime/el_runtime.c el_runtime.c
          upload_asset el-compiler/runtime/el_runtime.h el_runtime.h

          echo "Release published successfully"

      # Dispatch el-sdk-updated event to downstream repos
      # Publish artifact to GCP Artifact Registry (prod)
      - name: Publish elc to Artifact Registry (prod)
        env:
          GCP_SA_KEY: ${{ secrets.GCP_SA_KEY }}
        run: |
          echo "${GCP_SA_KEY}" > /tmp/gcp-key.json
          apt-get install -y -qq apt-transport-https ca-certificates gnupg curl
          curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | gpg --dearmor -o /usr/share/keyrings/cloud.google.gpg
          echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main" > /etc/apt/sources.list.d/google-cloud-sdk.list
          apt-get update -qq && apt-get install -y google-cloud-cli
          gcloud auth activate-service-account --key-file=/tmp/gcp-key.json
          gcloud config set project neuron-785695

          VERSION="${GITEA_SHA:0:8}"
          gcloud artifacts generic upload \
            --repository=foundation-prod \
            --location=us-central1 \
            --project=neuron-785695 \
            --package=el/elc \
            --version="${VERSION}" \
            --source=dist/platform/elc

          echo "Published elc version=${VERSION} to foundation-prod/el/elc"
          rm -f /tmp/gcp-key.json

      - name: Dispatch to foundation/engram
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          GITEA_API: https://git.neuralplatform.ai/api/v1
        run: |
          curl -sf -X POST \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            "${GITEA_API}/repos/neuron-technologies/engram/dispatches" \
            -d "{
              \"type\": \"el-sdk-updated\",
              \"inputs\": {
                \"el_version\": \"latest\",
                \"commit\": \"${GITHUB_SHA}\"
              }
            }"
          echo "Dispatched el-sdk-updated to foundation/engram"

      - name: Dispatch to neuron-technologies/forge
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          GITEA_API: https://git.neuralplatform.ai/api/v1
        run: |
          curl -sf -X POST \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            "${GITEA_API}/repos/neuron-technologies/forge/dispatches" \
            -d "{
              \"type\": \"el-sdk-updated\",
              \"inputs\": {
                \"el_version\": \"latest\",
                \"commit\": \"${GITHUB_SHA}\"
              }
            }"
          echo "Dispatched el-sdk-updated to neuron-technologies/forge"