name: Deploy to GitHub Pages

on:
  push:
    branches: [main]
  workflow_dispatch:

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

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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Setup Elixir
        uses: erlef/setup-beam@v1
        with:
          elixir-version: "1.19"
          otp-version: "28"

      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            deps
            _build
          key: ${{ runner.os }}-mix-${{ hashFiles('mix.lock') }}
          restore-keys: ${{ runner.os }}-mix-

      - name: Install dependencies
        run: mix deps.get --only prod

      - name: Build site
        run: MIX_ENV=prod mix sayfa.build

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: output

  deploy:
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4
