name: 'Release: Push to Channel'

on:
  workflow_call:
    inputs:
      version:
        description: 'n8n Release version to push to a channel (e.g., 1.2.3 or 1.2.3-beta.4)'
        required: true
        type: string

      release-channel:
        description: 'Release channel'
        required: true
        type: string

  workflow_dispatch:
    inputs:
      version:
        description: 'n8n Release version to push to a channel (e.g., 1.2.3 or 1.2.3-beta.4)'
        required: true
        type: string

      release-channel:
        description: 'Release channel'
        required: true
        type: choice
        default: 'beta'
        options:
          - beta
          - stable

jobs:
  validate-inputs:
    name: Validate Inputs
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.check_version.outputs.version }}
      release_channel: ${{ inputs.release-channel }}
    steps:
      - name: Check Version Format
        id: check_version
        env:
          INPUT_VERSION: ${{ inputs.version }}
        run: |
          input_version="${{ env.INPUT_VERSION }}"
          version_regex='^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.-]+)?$'

          if [[ "$input_version" =~ $version_regex ]]; then
            echo "Version format is valid: $input_version"
            echo "version=$input_version" >> "$GITHUB_OUTPUT"
          else
            echo "::error::Invalid version format provided: '$input_version'. Must match regex '$version_regex'."
            exit 1
          fi

      - name: Block RC promotion to stable/beta
        env:
          INPUT_VERSION: ${{ inputs.version }}
          CHANNEL: ${{ inputs.release-channel }}
        run: |
          if [[ "$INPUT_VERSION" == *"-rc."* ]]; then
            echo "::error::RC versions cannot be promoted to '$CHANNEL' channel. Version '$INPUT_VERSION' contains '-rc.'"
            exit 1
          fi
          echo "✅ Version '$INPUT_VERSION' is allowed for '$CHANNEL' channel"

  release-to-npm:
    name: Release to NPM
    runs-on: ubuntu-latest
    needs: validate-inputs
    timeout-minutes: 5
    permissions:
      id-token: write
    steps:
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
        with:
          node-version: 24.13.1

      # Remove after https://github.com/npm/cli/issues/8547 gets resolved
      - run: echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}" > ~/.npmrc

      - name: Add beta/next tags to NPM
        if: needs.validate-inputs.outputs.release_channel == 'beta'
        run: |
          npm dist-tag add "n8n@${{ needs.validate-inputs.outputs.version }}" next
          npm dist-tag add "n8n@${{ needs.validate-inputs.outputs.version }}" beta

      - name: Add latest/stable tags to NPM
        if: needs.validate-inputs.outputs.release_channel == 'stable'
        run: |
          npm dist-tag add "n8n@${{ needs.validate-inputs.outputs.version }}" latest
          npm dist-tag add "n8n@${{ needs.validate-inputs.outputs.version }}" stable

  release-to-docker-hub:
    name: Release to DockerHub
    runs-on: ubuntu-latest
    needs: validate-inputs
    timeout-minutes: 5
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - name: Login to DockerHub
        uses: ./.github/actions/docker-registry-login
        with:
          login-ghcr: false
          login-dockerhub: true
          dockerhub-username: ${{ secrets.DOCKER_USERNAME }}
          dockerhub-password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Tag stable/latest Docker image
        if: needs.validate-inputs.outputs.release_channel == 'stable'
        run: |
          docker buildx imagetools create -t "${{ secrets.DOCKER_USERNAME }}/n8n:stable" "${{ secrets.DOCKER_USERNAME }}/n8n:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "${{ secrets.DOCKER_USERNAME }}/n8n:latest" "${{ secrets.DOCKER_USERNAME }}/n8n:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "${{ secrets.DOCKER_USERNAME }}/runners:stable" "${{ secrets.DOCKER_USERNAME }}/runners:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "${{ secrets.DOCKER_USERNAME }}/runners:latest" "${{ secrets.DOCKER_USERNAME }}/runners:${{ needs.validate-inputs.outputs.version }}"

      - name: Tag beta/next Docker image
        if: needs.validate-inputs.outputs.release_channel == 'beta'
        run: |
          docker buildx imagetools create -t "${{ secrets.DOCKER_USERNAME }}/n8n:beta" "${{ secrets.DOCKER_USERNAME }}/n8n:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "${{ secrets.DOCKER_USERNAME }}/n8n:next" "${{ secrets.DOCKER_USERNAME }}/n8n:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "${{ secrets.DOCKER_USERNAME }}/runners:beta" "${{ secrets.DOCKER_USERNAME }}/runners:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "${{ secrets.DOCKER_USERNAME }}/runners:next" "${{ secrets.DOCKER_USERNAME }}/runners:${{ needs.validate-inputs.outputs.version }}"

  release-to-github-container-registry:
    name: Release to GitHub Container Registry
    runs-on: ubuntu-latest
    needs: validate-inputs
    timeout-minutes: 5
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - name: Login to GitHub Container Registry
        uses: ./.github/actions/docker-registry-login

      - name: Tag stable/latest GHCR image
        if: needs.validate-inputs.outputs.release_channel == 'stable'
        run: |
          docker buildx imagetools create -t "ghcr.io/${{ github.repository_owner }}/n8n:stable" "ghcr.io/${{ github.repository_owner }}/n8n:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "ghcr.io/${{ github.repository_owner }}/n8n:latest" "ghcr.io/${{ github.repository_owner }}/n8n:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "ghcr.io/${{ github.repository_owner }}/runners:stable" "ghcr.io/${{ github.repository_owner }}/runners:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "ghcr.io/${{ github.repository_owner }}/runners:latest" "ghcr.io/${{ github.repository_owner }}/runners:${{ needs.validate-inputs.outputs.version }}"

      - name: Tag beta/next GHCR image
        if: needs.validate-inputs.outputs.release_channel == 'beta'
        run: |
          docker buildx imagetools create -t "ghcr.io/${{ github.repository_owner }}/n8n:beta" "ghcr.io/${{ github.repository_owner }}/n8n:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "ghcr.io/${{ github.repository_owner }}/n8n:next" "ghcr.io/${{ github.repository_owner }}/n8n:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "ghcr.io/${{ github.repository_owner }}/runners:beta" "ghcr.io/${{ github.repository_owner }}/runners:${{ needs.validate-inputs.outputs.version }}"
          docker buildx imagetools create -t "ghcr.io/${{ github.repository_owner }}/runners:next" "ghcr.io/${{ github.repository_owner }}/runners:${{ needs.validate-inputs.outputs.version }}"

  update-docs:
    name: Update latest and next in the docs
    runs-on: ubuntu-latest
    needs: [validate-inputs, release-to-npm, release-to-docker-hub]
    steps:
      - continue-on-error: true
        run: curl -u docsWorkflows:${{ secrets.N8N_WEBHOOK_DOCS_PASSWORD }} --request GET 'https://internal.users.n8n.cloud/webhook/update-latest-next'