name: Nix CI

on:
  push:
  pull_request:

jobs:
  flake-check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: DeterminateSystems/nix-installer-action@v11
      - uses: DeterminateSystems/magic-nix-cache-action@v8
      - name: Nix flake check
        run: nix flake check --accept-flake-config

  build-servers:
    runs-on: ubuntu-latest
    needs: flake-check
    steps:
      - uses: actions/checkout@v4
      - uses: DeterminateSystems/nix-installer-action@v11
      - uses: DeterminateSystems/magic-nix-cache-action@v8
      - name: Build server packages
        run: |
          nix build --accept-flake-config .#chainfire-server .#flaredb-server .#iam-server .#plasmavmc-server .#prismnet-server .#flashdns-server .#fiberlb-server .#lightningstor-server .#creditservice-server

  integration-matrix:
    runs-on: ubuntu-latest
    needs: build-servers
    env:
      PLASMA_E2E: "1"
      # SKIP_PLASMA defaults to 0; set repo/runner var to 1 only when qemu-img/KVM is unavailable.
      SKIP_PLASMA: ${{ vars.SKIP_PLASMA || '0' }}
      LOG_DIR: .cccc/work/integration-matrix/${{ github.run_id }}
    steps:
      - uses: actions/checkout@v4
      - uses: DeterminateSystems/nix-installer-action@v11
      - uses: DeterminateSystems/magic-nix-cache-action@v8
      - name: Run integration matrix (Noop hypervisor gate)
        run: |
          nix develop -c ./scripts/integration-matrix.sh
      - name: Upload integration-matrix logs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: integration-matrix-logs
          path: .cccc/work/integration-matrix/

  integration-matrix-kvm:
    if: ${{ vars.NESTED_KVM == '1' }}
    runs-on: ubuntu-latest
    needs: integration-matrix
    env:
      PLASMA_E2E: "1"
      SKIP_PLASMA: "0"
      LOG_DIR: .cccc/work/integration-matrix-kvm/${{ github.run_id }}
    steps:
      - uses: actions/checkout@v4
      - uses: DeterminateSystems/nix-installer-action@v11
      - uses: DeterminateSystems/magic-nix-cache-action@v8
      - name: Run integration matrix (KVM lane)
        run: |
          nix develop -c ./scripts/integration-matrix.sh
      - name: Upload integration-matrix-kvm logs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: integration-matrix-kvm-logs
          path: .cccc/work/integration-matrix-kvm/