name: Deploy docs

on:
  push:
    branches: [main]
    paths:
      - ".github/workflows/deploy-docs.yml"
      - "package.json"
      - "pnpm-lock.yaml"
      - "scripts/build-agent-docs.mjs"
      - "site/**"
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

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

env:
  NODE_OPTIONS: --max-old-space-size=4096

jobs:
  build:
    name: Build VitePress site
    runs-on: ubuntu-24.04

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

      - name: Setup pnpm
        uses: pnpm/action-setup@f40ffcd9367d9f12939873eb1018b921a783ffaa
        with:
          version: 10

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "22"
          cache: pnpm

      - name: Setup Bun
        uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6
        with:
          bun-version: latest

      - name: Setup Pages
        uses: actions/configure-pages@v5

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build docs and download pages
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          pnpm docs:build

          DIST="site/.vitepress/dist"
          mkdir -p "$DIST/alpha" "$DIST/stable" "$DIST/download" "$DIST/releases" "$DIST/stable/download"

          gh api -H "Accept: application/vnd.github.html+json" repos/${{ github.repository }}/releases --paginate > "$DIST/releases.json"

          STABLE_TAG="$(gh release list --repo ${{ github.repository }} --limit 100 --json tagName,isDraft,isPrerelease --jq '[.[] | select(.isDraft == false and .isPrerelease == false)][0].tagName // ""')"
          if [ -n "$STABLE_TAG" ]; then
            gh release download --repo ${{ github.repository }} "$STABLE_TAG" --pattern "stable-latest.json" --output "$DIST/stable/latest.json" || echo '{}' > "$DIST/stable/latest.json"
          else
            echo '{}' > "$DIST/stable/latest.json"
          fi

          ALPHA_TAG="$(gh release list --repo ${{ github.repository }} --limit 100 --json tagName,isDraft,isPrerelease --jq '[.[] | select(.isDraft == false and .isPrerelease == true)][0].tagName // ""')"
          if [ -n "$ALPHA_TAG" ]; then
            gh release download --repo ${{ github.repository }} "$ALPHA_TAG" --pattern "alpha-latest.json" --output "$DIST/alpha/latest.json" || echo '{}' > "$DIST/alpha/latest.json"
          else
            echo '{}' > "$DIST/alpha/latest.json"
          fi

          bun scripts/build-release-download-page.ts --latest-json "$DIST/stable/latest.json" --releases-json "$DIST/releases.json" --output-file "$DIST/download/index.html"
          bun scripts/build-release-history-page.ts --releases-json "$DIST/releases.json" --output-file "$DIST/releases/index.html"
          cp "$DIST/download/index.html" "$DIST/stable/download/index.html"
          cp "$DIST/alpha/latest.json" "$DIST/latest.json"
          cp "$DIST/alpha/latest.json" "$DIST/latest-canary.json"

      - name: Upload Pages artifact
        uses: actions/upload-pages-artifact@v4
        with:
          path: site/.vitepress/dist

  deploy:
    name: Deploy to GitHub Pages
    needs: build
    runs-on: ubuntu-24.04
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

    steps:
      - name: Deploy
        id: deployment
        uses: actions/deploy-pages@v4