name: Tests

on:
  push:
    branches:
      - main
  pull_request:

permissions:
  contents: read

jobs:
  # Fast unit tests - run first to catch basic issues quickly
  unit:
    name: Unit Tests (Node ${{ matrix.node }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        node: ["20", "22", "24"]
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: ${{ matrix.node }}
          cache: "npm"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: npm ci

      - name: Generate types
        run: npm run generate-types

      - name: Lint
        run: npm run lint

      - name: Type check
        run: npm run typecheck

      - name: Build
        run: npm run build

      - name: Run unit tests
        run: npm run test:unit

  # Integration tests - run Hugo commands on each platform
  integration:
    name: Integration (${{ matrix.os }}, Node ${{ matrix.node }})
    needs: unit
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        node: ["20", "22", "24"]
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: ${{ matrix.node }}
          cache: "npm"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: npm ci

      - name: Generate types
        run: npm run generate-types

      - name: Build
        run: npm run build

      - name: Run integration tests
        run: npm run test:integration

  # E2E installation tests - verify the full installation pipeline
  e2e:
    name: E2E Installation (${{ matrix.os }})
    needs: unit
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "24"
          cache: "npm"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: npm ci

      - name: Generate types
        run: npm run generate-types

      - name: Build
        run: npm run build

      - name: Run E2E tests
        run: npm run test:e2e

  # Fresh installation test - simulates a user installing the package
  fresh-install:
    name: Fresh Install (${{ matrix.os }})
    needs: unit
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "24"
          cache: "npm"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: npm ci

      - name: Generate types
        run: npm run generate-types

      - name: Build
        run: npm run build

      - name: Remove any pre-existing Hugo binary
        shell: bash
        run: rm -rf bin/

      - name: Verify bin directory is empty
        shell: bash
        run: |
          if [ -d "bin" ]; then
            echo "bin/ directory still exists!"
            ls -la bin/
            exit 1
          fi
          echo "bin/ directory confirmed empty"

      - name: Run postinstall to trigger fresh install
        run: node postinstall.js

      - name: Verify Hugo binary exists (Unix)
        if: runner.os != 'Windows'
        run: |
          if [ ! -f "bin/hugo" ]; then
            echo "Hugo binary not found!"
            exit 1
          fi
          echo "Hugo binary found at bin/hugo"
          ls -la bin/

      - name: Verify Hugo binary exists (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          if (-not (Test-Path "bin/hugo.exe")) {
            Write-Error "Hugo binary not found!"
            exit 1
          }
          Write-Host "Hugo binary found at bin/hugo.exe"
          Get-ChildItem bin/

      - name: Verify Hugo version matches package version
        shell: bash
        run: |
          PKG_VERSION=$(node -p "require('./package.json').version")
          if [[ "$RUNNER_OS" == "Windows" ]]; then
            HUGO_VERSION=$(./bin/hugo.exe version)
          else
            HUGO_VERSION=$(./bin/hugo version)
          fi
          echo "Package version: $PKG_VERSION"
          echo "Hugo version: $HUGO_VERSION"
          if [[ "$HUGO_VERSION" != *"v$PKG_VERSION"* ]]; then
            echo "Version mismatch!"
            exit 1
          fi
          echo "Version verified successfully"

      - name: Verify Extended version (where supported)
        shell: bash
        run: |
          if [[ "$RUNNER_OS" == "Windows" ]]; then
            HUGO_VERSION=$(./bin/hugo.exe version)
          else
            HUGO_VERSION=$(./bin/hugo version)
          fi
          # Extended is supported on all GitHub Actions runners (x64)
          if [[ "$HUGO_VERSION" != *"+extended"* ]]; then
            echo "Expected Extended version but got: $HUGO_VERSION"
            exit 1
          fi
          echo "Extended version verified"

  # macOS-specific tests (pkg extraction via pkgutil, no sudo required)
  macos-quirks:
    name: macOS quirks
    needs: unit
    runs-on: macos-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "24"
          cache: "npm"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: npm ci

      - name: Generate types
        run: npm run generate-types

      - name: Build
        run: npm run build

      - name: Remove any pre-existing Hugo binary
        run: rm -rf bin/

      - name: Run postinstall
        run: node postinstall.js

      - name: Verify binary is regular file (not symlink)
        run: |
          if [ -L "bin/hugo" ]; then
            echo "bin/hugo should not be a symlink (we use pkgutil extraction now)!"
            exit 1
          fi
          if [ ! -f "bin/hugo" ]; then
            echo "bin/hugo is not a regular file!"
            exit 1
          fi
          echo "Binary is a regular file (extracted from .pkg via pkgutil)"

      - name: Verify executable permissions
        run: |
          if [ ! -x "bin/hugo" ]; then
            echo "bin/hugo is not executable!"
            exit 1
          fi
          echo "Permissions verified"

      - name: Verify binary runs
        run: ./bin/hugo version

  # Linux- tests (tar.gz extraction, permissions)
  linux-quirks:
    name: Linux quirks
    needs: unit
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "24"
          cache: "npm"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: npm ci

      - name: Generate types
        run: npm run generate-types

      - name: Build
        run: npm run build

      - name: Remove any pre-existing Hugo binary
        run: rm -rf bin/

      - name: Run postinstall
        run: node postinstall.js

      - name: Verify binary is regular file (not symlink)
        run: |
          if [ -L "bin/hugo" ]; then
            echo "bin/hugo should not be a symlink on Linux!"
            exit 1
          fi
          if [ ! -f "bin/hugo" ]; then
            echo "bin/hugo is not a regular file!"
            exit 1
          fi
          echo "Binary is a regular file"

      - name: Verify executable permissions
        run: |
          if [ ! -x "bin/hugo" ]; then
            echo "bin/hugo is not executable!"
            exit 1
          fi
          PERMS=$(stat -c "%a" bin/hugo)
          echo "Permissions: $PERMS"
          # Should have at least 755 (owner rwx, group rx, others rx)
          if [ "$PERMS" -lt "755" ]; then
            echo "Insufficient permissions!"
            exit 1
          fi
          echo "Permissions verified"

      - name: Verify binary runs
        run: ./bin/hugo version

  # Windows- tests (zip extraction)
  windows-quirks:
    name: Windows quirks
    needs: unit
    runs-on: windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "24"
          cache: "npm"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: npm ci

      - name: Generate types
        run: npm run generate-types

      - name: Build
        run: npm run build

      - name: Remove any pre-existing Hugo binary
        shell: pwsh
        run: |
          if (Test-Path "bin") {
            Remove-Item -Recurse -Force "bin"
          }

      - name: Run postinstall
        run: node postinstall.js

      - name: Verify binary exists with correct extension
        shell: pwsh
        run: |
          if (-not (Test-Path "bin/hugo.exe")) {
            Write-Error "bin/hugo.exe not found!"
            exit 1
          }
          Write-Host "Binary found: bin/hugo.exe"
          Get-ChildItem bin/

      - name: Verify binary runs
        run: ./bin/hugo.exe version

  # Re-installation test - simulates the "Hugo disappeared" recovery path
  reinstall:
    name: Re-installation Recovery (${{ matrix.os }})
    needs: unit
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: "24"
          cache: "npm"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install dependencies
        run: npm ci

      - name: Generate types
        run: npm run generate-types

      - name: Build
        run: npm run build

      - name: Initial install
        run: node postinstall.js

      - name: Verify initial install (Unix)
        if: runner.os != 'Windows'
        run: ./bin/hugo version

      - name: Verify initial install (Windows)
        if: runner.os == 'Windows'
        run: ./bin/hugo.exe version

      - name: Remove Hugo binary to simulate disappearance
        shell: bash
        run: rm -rf bin/

      - name: Run Node.js script that triggers auto-reinstall
        run: |
          node -e "
            import('./dist/hugo.mjs').then(async (m) => {
              const path = await m.default();
              console.log('Hugo reinstalled at:', path);
              const { execWithOutput } = m;
              const { stdout } = await execWithOutput('version');
              console.log('Version:', stdout.trim());
            }).catch(e => {
              console.error('Failed:', e);
              process.exit(1);
            });
          "

      - name: Verify Hugo was reinstalled (Unix)
        if: runner.os != 'Windows'
        run: |
          if [ ! -f "bin/hugo" ]; then
            echo "Hugo was not reinstalled!"
            exit 1
          fi
          ./bin/hugo version

      - name: Verify Hugo was reinstalled (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          if (-not (Test-Path "bin/hugo.exe")) {
            Write-Error "Hugo was not reinstalled!"
            exit 1
          }
          ./bin/hugo.exe version