name: Deploy to Cloudflare Pages (cobalt)

on:
  push:
    branches: ["main", "master"]
  workflow_dispatch: {}

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    env:
      CF_PAGES_PROJECT: ${{ vars.CF_PAGES_PROJECT }} # 例: blog
      PROD_BRANCH: "main" # Pagesの本番ブランチ
      CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
      CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
      CI: "1"

    steps:
      - name: Checkout
        uses: https://github.com/actions/checkout@v4

      - name: Install cobalt (prebuilt via eget)
        shell: bash
        run: |
          set -euo pipefail
          apt-get update && apt-get install -y ca-certificates curl tar git
          curl -fsSL https://zyedidia.github.io/eget.sh | sh
          ./eget cobalt-org/cobalt.rs --to /usr/local/bin/cobalt
          cobalt --version

      - name: Build site with cobalt
        run: cobalt build # 既定出力: ./_site

      - name: Compute BRANCH_NAME and COMMIT meta
        id: meta
        shell: bash
        run: |
          bn="${GITHUB_REF_NAME:-${GITEA_REF_NAME:-}}"
          if [ -z "$bn" ]; then bn="$(git rev-parse --abbrev-ref HEAD)"; fi
          echo "BRANCH_NAME=$bn" >> "$GITHUB_ENV"
          echo "COMMIT_SHA=$(git rev-parse HEAD)" >> "$GITHUB_ENV"
          echo "COMMIT_MSG=$(git log -1 --pretty=%s)" >> "$GITHUB_ENV"

      - name: Deploy with wrangler-action
        uses: https://github.com/cloudflare/wrangler-action@v3
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          command: pages deploy _site --project-name "${{ vars.CF_PAGES_PROJECT }}" --branch "${{ env.BRANCH_NAME }}"