name: CI

on:
  push:
    branches: [main]
    tags: ["v*"]
  pull_request:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup .NET 8
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 8.0.x

      - name: Install Cake.Tool
        run: dotnet tool install --global Cake.Tool

      - name: Run Cake Build
        run: dotnet cake build.cake --target=Build

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: build-output
          path: build/

      - name: Create Release (tag only)
        if: startsWith(github.ref, 'refs/tags/v')
        uses: softprops/action-gh-release@v2
        with:
          files: build/*
          generate_release_notes: true

  publish-nightly:
    needs: build
    runs-on: ubuntu-latest
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          name: build-output
          path: build/

      - name: Prepare latest files and manifest
        run: |
          set -euo pipefail
          cd build
          VERSION=$(ls Empostor-Server_*_linux-x64.tar.gz | head -1 | sed -E 's/^Empostor-Server_(.*)_linux-x64\.tar\.gz$/\1/')
          echo "Version: ${VERSION}"
          cp Empostor-Server_*_linux-x64.tar.gz   Empostor-Server-latest-linux-x64.tar.gz
          cp Empostor-Server_*_linux-arm64.tar.gz Empostor-Server-latest-linux-arm64.tar.gz
          cp Empostor-Server_*_win-x64.zip        Empostor-Server-latest-win-x64.zip
          cp Empostor-Server_*_osx-x64.tar.gz     Empostor-Server-latest-osx-x64.tar.gz
          {
            echo '{'
            echo "  \"version\": \"${VERSION}\","
            echo "  \"linux-x64\": { \"file\": \"Empostor-Server-latest-linux-x64.tar.gz\", \"sha256\": \"$(sha256sum Empostor-Server-latest-linux-x64.tar.gz | cut -d' ' -f1)\" },"
            echo "  \"linux-arm64\": { \"file\": \"Empostor-Server-latest-linux-arm64.tar.gz\", \"sha256\": \"$(sha256sum Empostor-Server-latest-linux-arm64.tar.gz | cut -d' ' -f1)\" },"
            echo "  \"win-x64\": { \"file\": \"Empostor-Server-latest-win-x64.zip\", \"sha256\": \"$(sha256sum Empostor-Server-latest-win-x64.zip | cut -d' ' -f1)\" },"
            echo "  \"osx-x64\": { \"file\": \"Empostor-Server-latest-osx-x64.tar.gz\", \"sha256\": \"$(sha256sum Empostor-Server-latest-osx-x64.tar.gz | cut -d' ' -f1)\" }"
            echo '}'
          } > manifest.json
          cat manifest.json

      - name: Publish nightly release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -euo pipefail
          cd build
          VERSION=$(ls Empostor-Server_*_linux-x64.tar.gz | head -1 | sed -E 's/^Empostor-Server_(.*)_linux-x64\.tar\.gz$/\1/')
          gh release delete nightly -y --cleanup-tag || true
          gh release create nightly \
            Empostor-Server-latest-linux-x64.tar.gz \
            Empostor-Server-latest-linux-arm64.tar.gz \
            Empostor-Server-latest-win-x64.zip \
            Empostor-Server-latest-osx-x64.tar.gz \
            manifest.json \
            --title "Nightly build (${VERSION})" \
            --prerelease \
            --notes "Automated nightly build from ${GITHUB_SHA}" \
            --target "${GITHUB_SHA}"