name: Build and Deploy

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest

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

    - name: Install Nix
      uses: cachix/install-nix-action@v31
      with:
        nix_path: nixpkgs=channel:nixos-unstable

    - name: Setup Nix store cache
      uses: actions/cache@v4
      with:
        path: /nix/store
        key: ${{ runner.os }}-nix-store-${{ hashFiles('**/flake.lock') }}
        restore-keys: |
          ${{ runner.os }}-nix-store-

    - name: Cache flake inputs
      uses: actions/cache@v4
      with:
        path: ~/.cache/nix
        key: ${{ runner.os }}-nix-flake-${{ hashFiles('**/flake.lock') }}
        restore-keys: |
          ${{ runner.os }}-nix-flake-

    - name: Build site (pull request)
      if: github.event_name == 'pull_request'
      run: |
        # Update base URL for PR preview
        sed -i "s|base_url = \"https://www.softinio.com\"|base_url = \"https://${{ github.head_ref }}.softinio.pages.dev\"|" ./config.toml
        nix build
        nix flake show
        ls result
        echo "Preview URL: https://${{ github.head_ref }}.softinio.pages.dev"

    - name: Deploy to Cloudflare Pages (pull request)
      if: github.event_name == 'pull_request'
      run: |
        nix develop --command wrangler pages deploy result --branch=${{ github.head_ref }} --project-name=softinio --commit-dirty=true
      env:
        CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
        CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}

    - name: Build site (main branch)
      if: github.ref == 'refs/heads/main' && github.event_name == 'push'
      run: |
        nix build

    - name: Deploy to Cloudflare Pages (main branch)
      if: github.ref == 'refs/heads/main' && github.event_name == 'push'
      run: |
        nix develop --command wrangler pages deploy result --project-name=softinio --commit-dirty=true
      env:
        CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
        CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}