name: CI
on:
  push:
  pull_request:

jobs:
  build:
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy, rustfmt
      - name: Install system dependencies
        if: matrix.os == 'ubuntu-latest'
        run: sudo apt-get update && sudo apt-get install -y libdrm-dev libdrm-amdgpu1
      - name: Cargo fmt
        run: cargo fmt --all -- --check
      - name: Clippy
        run: cargo clippy --all-targets --all-features -- -D warnings
      - name: Build (release)
        run: cargo build --release --workspace
      - name: Start agent (Ubuntu)
        if: matrix.os == 'ubuntu-latest'
        shell: bash
        run: |
          set -euo pipefail
          # Start the already-built release binary to avoid rebuild delays
          # Force TLS off for this probe
          RUST_LOG=info SOCKTOP_ENABLE_SSL=0 ./target/release/socktop_agent -p 3000 > agent.log 2>&1 &
          AGENT_PID=$!
          echo "AGENT_PID=$AGENT_PID" >> $GITHUB_ENV
          # Wait for /healthz to return 200 (60s max)
          for i in {1..60}; do
            if curl -fsS http://127.0.0.1:3000/healthz >/dev/null; then echo "agent is ready"; break; fi
            sleep 1
          done
          if ! curl -fsS http://127.0.0.1:3000/healthz >/dev/null; then
            echo "--- agent.log (tail) ---"
            tail -n 200 agent.log || true
            echo "--- lsof/netstat ---"
            (command -v ss >/dev/null && ss -ltnp || netstat -ltnp) || true
            exit 1
          fi
      - name: Run WS probe test (Ubuntu)
        if: matrix.os == 'ubuntu-latest'
        shell: bash
        env:
          SOCKTOP_WS: ws://127.0.0.1:3000/ws
        run: |
          set -euo pipefail
          cargo test -p socktop --test ws_probe -- --nocapture
      - name: Stop agent (Ubuntu)
        if: always() && matrix.os == 'ubuntu-latest'
        shell: bash
        run: |
          if [ -n "${AGENT_PID:-}" ]; then kill $AGENT_PID || true; fi
      - name: Start agent (Windows)
        if: matrix.os == 'windows-latest'
        shell: pwsh
        run: |
          # Start the already-built release binary to avoid rebuild delays
          # Force TLS off for this probe
          $env:SOCKTOP_ENABLE_SSL = "0"
          $out = Join-Path $PWD "agent.out.txt"
          $err = Join-Path $PWD "agent.err.txt"
          $p = Start-Process -FilePath "${PWD}\\target\\release\\socktop_agent.exe" -ArgumentList "-p 3000" -RedirectStandardOutput $out -RedirectStandardError $err -PassThru -NoNewWindow
          echo "AGENT_PID=$($p.Id)" | Out-File -FilePath $env:GITHUB_ENV -Append
          $ready = $false
          for ($i = 0; $i -lt 60; $i++) {
            try {
              $resp = Invoke-WebRequest -UseBasicParsing -Uri "http://127.0.0.1:3000/healthz" -TimeoutSec 2 -ErrorAction Stop
              if ($resp.StatusCode -eq 200) { $ready = $true; break }
            } catch { }
            Start-Sleep -Seconds 1
          }
          if (-not $ready) {
            Write-Warning "TCP connect to (127.0.0.1 : 3000) failed"
            if (Test-Path $out) { Write-Host "--- agent.out (tail) ---"; Get-Content $out -Tail 200 }
            if (Test-Path $err) { Write-Host "--- agent.err (tail) ---"; Get-Content $err -Tail 200 }
            Write-Host "--- netstat ---"
            netstat -ano | Select-String ":3000" | ForEach-Object { $_.Line }
            Write-Error "agent did not become ready"
          }
      - name: Run WS probe test (Windows)
        if: matrix.os == 'windows-latest'
        shell: pwsh
        run: |
          $env:SOCKTOP_WS = "ws://127.0.0.1:3000/ws"
          cargo test -p socktop --test ws_probe -- --nocapture
      - name: Stop agent (Windows)
        if: always() && matrix.os == 'windows-latest'
        shell: pwsh
        run: |
          if ($env:AGENT_PID) { Stop-Process -Id $env:AGENT_PID -Force -ErrorAction SilentlyContinue }
      - name: Smoke test (client --help)
        run: cargo run -p socktop -- --help
      - name: Package artifacts
        shell: bash
        run: |
          set -e
          mkdir dist
          if [[ "${{ matrix.os }}" == "windows-latest" ]]; then
            cp target/release/socktop.exe dist/
            cp target/release/socktop_agent.exe dist/
            7z a socktop-${{ matrix.os }}.zip dist/*
          else
            cp target/release/socktop dist/
            cp target/release/socktop_agent dist/
            tar czf socktop-${{ matrix.os }}.tar.gz -C dist .
          fi
      - name: Upload build artifacts (ephemeral)
        uses: actions/upload-artifact@v4
        with:
          name: socktop-${{ matrix.os }}
          path: |
            *.tar.gz
            *.zip
      - name: Upload to rolling GitHub Release (main only)
        if: github.ref == 'refs/heads/main' && github.event_name == 'push'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: latest
          name: Latest build
          prerelease: true
          draft: false
          files: |
            *.tar.gz
            *.zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}