name: build

on:
  # Manual dispatch: always builds the `dev` branch (regardless of the ref
  # selected when dispatching) and publishes to the dev Attic cache + dev
  # live-update manifest. Version fingerprint = short commit hash.
  workflow_dispatch:
  # Any new tag: builds the tagged revision and publishes a release to the
  # release Attic cache + production live-update manifest. Version = the tag.
  push:
    tags: ['*']

jobs:
  nix-build:
    runs-on: build-server
    steps:
      # actions/checkout@v4 is unreliable on host-mode runners (its files are
      # copied into the workspace instead of the repo), so clone explicitly.
      # A manual dispatch always clones `dev`; a tag push clones the tag. A full
      # clone (no --depth) lets `git describe --tags` resolve the real tag.
      - name: Checkout
        run: |
          rm -rf ./* ./.[!.]* 2>/dev/null || true
          git config --global http.extraheader "Authorization: token ${{ github.token }}"
          REF="${{ gitea.ref_name }}"
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            REF=dev
          fi
          git clone --branch "$REF" \
            "${{ gitea.server_url }}/${{ gitea.repository }}.git" .
          test -f flake.nix
          git log --oneline -1

      - name: Inspect workspace
        run: |
          pwd
          ls -la
          git rev-parse --show-toplevel 2>&1 || true
          git remote -v 2>&1 || true
          git describe --tags --always 2>&1 || true
          test -f flake.nix && echo "flake.nix present" || echo "NO flake.nix"

      # Dev builds fingerprint as the short commit hash; releases report the
      # tag. Persisted via GITHUB_ENV so the impure nix eval below reads it via
      # builtins.getEnv.
      - name: Compute version
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "APP_VERSION=$(git rev-parse --short HEAD)" >> "$GITHUB_ENV"
          else
            echo "APP_VERSION=$(git describe --tags --always)" >> "$GITHUB_ENV"
          fi

      # checks is keyed per-system (checks.<system>.default); nix build's
      # #attr shorthand can't resolve it, so resolve the current system inline.
      # --impure lets the flake read APP_VERSION via builtins.getEnv
      # (pure evals always get the package defaults).
      - name: Build package
        run: |
          nix build -L ".#packages.$(nix eval --impure --raw --expr 'builtins.currentSystem').default" \
            --impure --out-link result-pkg

      # The offline test suite runs in the check derivation's checkPhase.
      # This is a separate build/output from the package itself.
      - name: Build + offline test suite
        run: |
          nix build -L ".#checks.$(nix eval --impure --raw --expr 'builtins.currentSystem').default" \
            --impure --out-link result-checks

      - name: Live portal tests
        env:
          RWT_LIVE_ACCOUNT_EMAIL: ${{ secrets.RWT_LIVE_ACCOUNT_EMAIL }}
          RWT_LIVE_LICENSE_EMAIL: ${{ secrets.RWT_LIVE_LICENSE_EMAIL }}
          RWT_LIVE_LICENSE_KEY: ${{ secrets.RWT_LIVE_LICENSE_KEY }}
        run: |
          nix develop --command bash -c '
            cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Debug
            cmake --build build --target test_api_client test_license_service
            ./build/test_api_client
            ./build/test_license_service
          '

      # Manual dispatch -> dev cache; tag push -> release cache.
      - name: Push to Attic dev cache
        if: github.event_name == 'workflow_dispatch'
        env:
          ATTIC_TOKEN: ${{ secrets.ATTIC_TOKEN_DEV }}
        run: |
          attic login radiantwave https://attic.radiantwavetech.com "$ATTIC_TOKEN"
          attic push radiantwave:radiantwave-dev ./result-pkg

      - name: Push to Attic release cache
        if: github.event_name != 'workflow_dispatch'
        env:
          ATTIC_TOKEN: ${{ secrets.ATTIC_TOKEN_PROD }}
        run: |
          attic login radiantwave https://attic.radiantwavetech.com "$ATTIC_TOKEN"
          attic push radiantwave:radiantwave ./result-pkg

      # Publish the manifest kiosks poll for live app updates. `storePath`
      # must match exactly the closure pushed to the matching Attic cache above
      # (readlink resolves the result-pkg out-link symlink to its real
      # /nix/store path), so a kiosk can `nix copy --from` it without ever
      # building from source. Upload mirrors the ISO scp pattern to the
      # fileserver via the build-server's `radiantwave-infra` SSH alias.
      - name: Publish dev manifest
        if: github.event_name == 'workflow_dispatch'
        run: |
          STOREPATH=$(readlink -f ./result-pkg)
          printf '{"version":"%s","storePath":"%s"}\n' "${{ env.APP_VERSION }}" "$STOREPATH" > manifest.json
          cat manifest.json
          scp manifest.json \
            radiantwave-infra:/mnt/infrastructure_data/files/radiantwave-dev/manifest.json

      - name: Publish release manifest
        if: github.event_name != 'workflow_dispatch'
        run: |
          STOREPATH=$(readlink -f ./result-pkg)
          printf '{"version":"%s","storePath":"%s"}\n' "${{ env.APP_VERSION }}" "$STOREPATH" > manifest.json
          cat manifest.json
          scp manifest.json \
            radiantwave-infra:/mnt/infrastructure_data/files/radiantwave/manifest.json