name: Version Alignment Check

on:
  push:
    branches: [main]
    paths:
      - 'pyproject.toml'
      - 'src/notebooklm_tools/__init__.py'
      - 'src/notebooklm_tools/data/SKILL.md'
      - 'src/notebooklm_tools/data/AGENTS_SECTION.md'
      - 'desktop-extension/manifest.json'
  pull_request:
    branches: [main]
  release:
    types: [published]

jobs:
  check-versions:
    name: Verify version alignment
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4

      - name: Extract and compare versions
        run: |
          set -euo pipefail

          # Extract version from each file
          TOML_VERSION=$(grep '^version = ' pyproject.toml | head -1 | sed 's/version = "\(.*\)"/\1/')
          INIT_VERSION=$(grep '^__version__' src/notebooklm_tools/__init__.py | head -1 | sed 's/__version__ = "\(.*\)"/\1/')
          SKILL_VERSION=$(grep '^version:' src/notebooklm_tools/data/SKILL.md | head -1 | sed 's/version: "\(.*\)"/\1/')
          AGENTS_VERSION=$(grep 'nlm-version:' src/notebooklm_tools/data/AGENTS_SECTION.md | head -1 | sed 's/.*nlm-version: \(.*\) -->/\1/')
          MANIFEST_VERSION=$(grep '"version"' desktop-extension/manifest.json | head -1 | sed 's/.*"version": "\(.*\)".*/\1/')

          echo "📦 pyproject.toml:        $TOML_VERSION"
          echo "🐍 __init__.py:           $INIT_VERSION"
          echo "🤖 SKILL.md:              $SKILL_VERSION"
          echo "📄 AGENTS_SECTION.md:     $AGENTS_VERSION"
          echo "🧩 manifest.json:         $MANIFEST_VERSION"

          FAILED=0

          for PAIR in \
            "__init__.py:$INIT_VERSION" \
            "SKILL.md:$SKILL_VERSION" \
            "AGENTS_SECTION.md:$AGENTS_VERSION" \
            "manifest.json:$MANIFEST_VERSION"; do
            FILE="${PAIR%%:*}"
            VER="${PAIR#*:}"
            if [ "$TOML_VERSION" != "$VER" ]; then
              echo ""
              echo "❌ MISMATCH: pyproject.toml ($TOML_VERSION) ≠ $FILE ($VER)"
              FAILED=1
            fi
          done

          if [ "$FAILED" -eq 1 ]; then
            echo ""
            echo "🛑 Version alignment check FAILED."
            echo "   All files must declare the same version before releasing."
            echo ""
            echo "   Files to update:"
            echo "     - pyproject.toml                              → version = \"X.Y.Z\""
            echo "     - src/notebooklm_tools/__init__.py            → __version__ = \"X.Y.Z\""
            echo "     - src/notebooklm_tools/data/SKILL.md          → version: \"X.Y.Z\""
            echo "     - src/notebooklm_tools/data/AGENTS_SECTION.md → <!-- nlm-version: X.Y.Z -->"
            echo "     - desktop-extension/manifest.json             → \"version\": \"X.Y.Z\""
            exit 1
          fi

          echo ""
          echo "✅ All 5 version files aligned at $TOML_VERSION"