name: Showcase

# Moves the site's showcase pin to the catalog's main once its checks pass, then deploys.
on:
  schedule:
    - cron: "*/30 * * * *"
  workflow_dispatch:
    inputs:
      deploy:
        description: Build and deploy even if the pin is current
        type: boolean
        default: false

permissions:
  contents: read

concurrency:
  group: showcase
  cancel-in-progress: false

env:
  CATALOG: ZacharyZhang-NY/Ely-GPUI-Showcases

jobs:
  check:
    runs-on: ubuntu-latest
    outputs:
      commit: ${{ steps.head.outputs.commit }}
    steps:
      - uses: actions/checkout@v7
        with:
          persist-credentials: false
      - id: head
        env:
          GH_TOKEN: ${{ github.token }}
          FORCE: ${{ inputs.deploy }}
        run: |
          head=$(gh api "repos/$CATALOG/commits/main" --jq .sha)
          pinned=$(tr -d '[:space:]' < frontend/showcase.lock)
          if [ "$head" = "$pinned" ]; then
            echo "showcase: pinned at ${head:0:7}, the catalog's main"
            [ "$FORCE" = "true" ] && echo "commit=$head" >> "$GITHUB_OUTPUT"
            exit 0
          fi
          runs=$(gh api "repos/$CATALOG/commits/$head/check-runs" --jq '.check_runs')
          total=$(echo "$runs" | jq length)
          waiting=$(echo "$runs" | jq '[.[] | select(.status != "completed")] | length')
          failed=$(echo "$runs" | jq '[.[] | select(.status == "completed" and (.conclusion | IN("success", "skipped", "neutral") | not))] | length')
          if [ "$total" -eq 0 ] || [ "$waiting" -gt 0 ]; then
            echo "showcase: ${head:0:7}'s checks have not finished; next run looks again"
            [ "$FORCE" = "true" ] && echo "commit=$pinned" >> "$GITHUB_OUTPUT"
            [ "$FORCE" = "true" ] && echo "commit=$pinned" >> "$GITHUB_OUTPUT"
            exit 0
          fi
          if [ "$failed" -gt 0 ]; then
            echo "::error::showcase: ${head:0:7} failed its catalog checks; the pin stays at ${pinned:0:7}"
            exit 1
          fi
          echo "showcase: ${pinned:0:7} -> ${head:0:7}"
          echo "commit=$head" >> "$GITHUB_OUTPUT"

  deploy:
    needs: check
    if: needs.check.outputs.commit != ''
    runs-on: ubuntu-latest
    permissions:
      contents: write
    env:
      COMMIT: ${{ needs.check.outputs.commit }}
    steps:
      - uses: actions/checkout@v7
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: "1.95"
          targets: wasm32-unknown-unknown
      - uses: Swatinem/rust-cache@v2
        with:
          key: web
      - name: wasm-bindgen at Cargo.lock's version
        run: |
          version=$(sed -n '/^name = "wasm-bindgen"$/{n;s/^version = "\(.*\)"$/\1/p;}' Cargo.lock)
          echo "WASM_BINDGEN=wasm-bindgen@$version" >> "$GITHUB_ENV"
      - uses: taiki-e/install-action@v2
        with:
          tool: ${{ env.WASM_BINDGEN }}
      - name: wasm-opt
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          gh release download -R WebAssembly/binaryen -p 'binaryen-*-x86_64-linux.tar.gz' -D "$RUNNER_TEMP"
          tar -xzf "$RUNNER_TEMP"/binaryen-*-x86_64-linux.tar.gz -C "$RUNNER_TEMP"
          echo "$(ls -d "$RUNNER_TEMP"/binaryen-*/)bin" >> "$GITHUB_PATH"
      - uses: pnpm/action-setup@v6
        with:
          version: 11
      - uses: actions/setup-node@v7
        with:
          node-version: 24
          cache: pnpm
          cache-dependency-path: frontend/pnpm-lock.yaml
      - run: echo "$COMMIT" > frontend/showcase.lock
      - run: scripts/web.sh frontend/public/gallery
        env:
          ELY_GALLERY_ASSETS: https://elygpui.com/gallery/assets/
      - working-directory: frontend
        run: |
          pnpm install --frozen-lockfile
          pnpm test
          pnpm build
          pnpm run deploy
        env:
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          CLOUDFLARE_ACCOUNT_ID: ${{ vars.CLOUDFLARE_ACCOUNT_ID }}
      - name: Commit the pin
        run: |
          git config user.name 'github-actions[bot]'
          git config user.email '41898282+github-actions[bot]@users.noreply.github.com'
          git add frontend/showcase.lock
          git diff --cached --quiet && exit 0
          git commit -m "Site · Showcase: pin Ely-GPUI-Showcases at ${COMMIT:0:7}"
          for attempt in 1 2 3; do
            git pull --rebase origin main && git push origin HEAD:main && exit 0
            sleep 5
          done
          exit 1