name: Bump version and release

on:
  workflow_dispatch:
    inputs:
      version_type:
        description: "Version bump type (patch, minor, major)"
        required: false
        default: "patch"
      prerelease:
        description: "Publish as prerelease? (leave empty for stable, or enter tag like 'next')"
        required: false
        default: ""

jobs:
  preflight:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: 1.3.0

      - name: Setup Node
        uses: actions/setup-node@v6
        with:
          node-version: "22"

      - name: Install dependencies
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: bun install

      - name: Lint & Type Check
        run: bun run check

      - name: Build bundle
        run: bun run build

      - name: Update-chain preflight smoke
        run: bun run test:update-chain:manual

  publish:
    needs: preflight
    runs-on: ubuntu-latest
    environment: npm-publish
    permissions:
      contents: write
      id-token: write  # Required for npm OIDC trusted publishing
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          fetch-depth: 0

      - name: Configure Git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: 1.3.0

      - name: Setup Node (for npm OIDC publishing)
        uses: actions/setup-node@v6
        with:
          node-version: "22"

      - name: Upgrade npm for OIDC support
        run: npm install -g npm@latest

      - name: Bump version
        id: version
        run: |
          VERSION_TYPE="${{ github.event.inputs.version_type || 'patch' }}"
          PRERELEASE_TAG="${{ github.event.inputs.prerelease }}"
          OLD_VERSION=$(jq -r '.version' package.json)
          
          # Check if old version is a prerelease (contains -)
          if [[ "$OLD_VERSION" == *-* ]]; then
            OLD_IS_PRERELEASE=true
            BASE_VERSION=$(echo "$OLD_VERSION" | sed 's/-.*//')
          else
            OLD_IS_PRERELEASE=false
            BASE_VERSION="$OLD_VERSION"
          fi
          
          # Split base version into parts
          IFS='.' read -ra VERSION_PARTS <<< "$BASE_VERSION"
          MAJOR=${VERSION_PARTS[0]}
          MINOR=${VERSION_PARTS[1]}
          PATCH=${VERSION_PARTS[2]}
          
          # Always bump based on version_type
          if [ "$VERSION_TYPE" = "major" ]; then
            MAJOR=$((MAJOR + 1))
            MINOR=0
            PATCH=0
          elif [ "$VERSION_TYPE" = "minor" ]; then
            MINOR=$((MINOR + 1))
            PATCH=0
          else
            # patch - only bump if not coming from prerelease
            # (prerelease → stable with patch just drops the suffix)
            if [ "$OLD_IS_PRERELEASE" = "false" ]; then
              PATCH=$((PATCH + 1))
            fi
          fi
          
          NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}"
          
          # Handle prerelease suffix
          if [ -n "$PRERELEASE_TAG" ]; then
            # Making a prerelease
            if [[ "$OLD_VERSION" == "${NEW_VERSION}-${PRERELEASE_TAG}."* ]]; then
              # Same base + same tag: increment prerelease number
              PRERELEASE_NUM=$(echo "$OLD_VERSION" | sed "s/${NEW_VERSION}-${PRERELEASE_TAG}\.\([0-9]*\)/\1/")
              PRERELEASE_NUM=$((PRERELEASE_NUM + 1))
            else
              # Different base or different tag: start at 1
              PRERELEASE_NUM=1
            fi
            NEW_VERSION="${NEW_VERSION}-${PRERELEASE_TAG}.${PRERELEASE_NUM}"
            echo "npm_tag=$PRERELEASE_TAG" >> $GITHUB_OUTPUT
            echo "is_prerelease=true" >> $GITHUB_OUTPUT
          else
            # Making a stable release - NEW_VERSION is already just the base
            echo "npm_tag=latest" >> $GITHUB_OUTPUT
            echo "is_prerelease=false" >> $GITHUB_OUTPUT
          fi
          
          # Update package.json
          jq --arg version "$NEW_VERSION" '.version = $version' package.json > package.json.tmp
          mv package.json.tmp package.json

          # Keep package-lock versions in sync for npm publish consistency
          jq --arg version "$NEW_VERSION" '.version = $version | .packages[""].version = $version' package-lock.json > package-lock.json.tmp
          mv package-lock.json.tmp package-lock.json
          
          echo "old_version=$OLD_VERSION" >> $GITHUB_OUTPUT
          echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "tag=v$NEW_VERSION" >> $GITHUB_OUTPUT

      - name: Commit and tag version bump (local only)
        run: |
          git add package.json package-lock.json
          git commit -m "chore: bump version to ${{ steps.version.outputs.new_version }} [skip ci]"
          git tag "${{ steps.version.outputs.tag }}"

      - name: Install dependencies
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: bun install

      - name: Lint & Type Check
        run: bun run check

      - name: Build bundle
        run: bun run build

      - name: Smoke test - help
        run: ./letta.js --help

      - name: Smoke test - version
        run: ./letta.js --version || echo "Version flag not implemented yet"

      - name: Integration smoke test (real API)
        env:
          LETTA_API_KEY: ${{ secrets.LETTA_API_KEY }}
        run: ./letta.js --prompt "ping" --tools "" --permission-mode plan

      - name: Publish to npm
        run: npm publish --access public --tag ${{ steps.version.outputs.npm_tag }}

      - name: Push commit and tag after publish
        run: |
          git push origin main
          git push origin "${{ steps.version.outputs.tag }}"

      - name: Create GitHub Release
        if: steps.version.outputs.is_prerelease == 'false'
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.version.outputs.tag }}
          name: Release ${{ steps.version.outputs.tag }}
          body: |
            Changes from ${{ steps.version.outputs.old_version }} to ${{ steps.version.outputs.new_version }}
          generate_release_notes: true
          files: letta.js
          fail_on_unmatched_files: true