name: "Task: Check Metadata Freshness"

on:
  workflow_dispatch:
    inputs:
      binary-hash:
        description: "Hash of the binary artifact to use"
        required: true
        type: string
  workflow_call:
    inputs:
      binary-hash:
        description: "Hash of the binary artifact to use"
        required: true
        type: string

# Explicit minimal permissions
permissions:
  contents: read

defaults:
  run:
    shell: bash

env:
  RUST_BACKTRACE: "1"

jobs:
  check-metadata:
    name: Check metadata freshness
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version-file: test/.bun-version

      - name: Install dependencies
        working-directory: test
        run: bun install --frozen-lockfile

      - name: Download WASM artifact
        uses: actions/download-artifact@v4
        with:
          name: datahaven-wasm-${{ inputs.binary-hash }}
          path: ./operator/target/release/wbuild/datahaven-stagenet-runtime

      - name: Verify WASM download to target directory
        run: |
          echo "Target directory contents:"
          find ./operator/target/release/wbuild/datahaven-stagenet-runtime -type f | head -20

          # The WASM should be at this path in the artifact
          WASM_PATH="./operator/target/release/wbuild/datahaven-stagenet-runtime/datahaven_stagenet_runtime.wasm"
          if [ ! -f "$WASM_PATH" ]; then
            echo "Error: WASM file not found at expected path: $WASM_PATH"
            echo "Looking for WASM files in target directory:"
            find ./operator/target/release/wbuild/datahaven-stagenet-runtime -name "*.wasm" -type f
            exit 1
          fi
          echo "Found WASM at: $WASM_PATH"
          echo "WASM size: $(du -h $WASM_PATH | cut -f1)"

      - name: Generate metadata from WASM
        working-directory: test
        run: |
          echo "Generating metadata from WASM..."
          bun x papi add --wasm "../operator/target/release/wbuild/datahaven-stagenet-runtime/datahaven_stagenet_runtime.wasm" datahaven

      - name: Check for metadata changes
        run: |
          # Check if the metadata file has changed
          if git diff --exit-code test/.papi/metadata/datahaven.scale; then
            echo "✅ Metadata is up to date!"
          else
            echo "❌ Metadata file has changed!"
            echo ""
            echo "The runtime metadata is out of date. Please run the following command and commit the changes:"
            echo ""
            echo "  cd test && bun generate:types:fast"
            echo ""
            echo "This ensures that TypeScript types match the current runtime."
            echo ""
            echo "Diff of changes:"
            git diff test/.papi/metadata/datahaven.scale | head -50
            exit 1
          fi

      - name: Check for other papi changes
        run: |
          # Also check if polkadot-api.json changed (shouldn't happen, but good to verify)
          if git diff --exit-code test/.papi/polkadot-api.json; then
            echo "✅ polkadot-api.json is unchanged"
          else
            echo "⚠️  polkadot-api.json has changed - this is unexpected"
            git diff test/.papi/polkadot-api.json
          fi