name: Docs Deploy

on:
  push:
    branches: [main]
  workflow_dispatch:
    inputs:
      full_reconcile:
        description: 'Run full changelog reconcile from GitHub Releases'
        required: false
        default: false
        type: boolean
      release_tag:
        description: 'Optional release tag for incremental changelog sync (for release relay)'
        required: false
        type: string
      release_action:
        description: 'Optional release action (published, edited, deleted) for incremental sync'
        required: false
        type: string

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

concurrency:
  group: docs-pages
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v5
        with:
          ref: main

      - name: Setup pnpm
        uses: pnpm/action-setup@v6

      - name: Setup Node.js
        uses: actions/setup-node@v5
        with:
          node-version: lts/*
          cache: pnpm
          cache-dependency-path: docs-site/pnpm-lock.yaml

      - name: Install docs dependencies
        working-directory: docs-site
        run: pnpm install --frozen-lockfile

      - name: Build changelog feed
        env:
          CHANGELOG_PUBLIC_BASE_URL: https://docs.openreader.richardr.dev
          CHANGELOG_FORCE_FULL: ${{ github.event_name == 'workflow_dispatch' && inputs.full_reconcile && '1' || '0' }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: node scripts/build-changelog-feed.mjs

      - name: Build docs
        working-directory: docs-site
        run: pnpm build

      - name: Upload Pages artifact
        uses: actions/upload-pages-artifact@v5
        with:
          path: docs-site/build

  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    needs: build
    runs-on: ubuntu-latest

    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v5