name: update word-lists

on:
  schedule:
    - cron: '0 3 1 * *'
  workflow_dispatch:

jobs:
  update-word-lists:
    runs-on: blacksmith-8vcpu-ubuntu-2404
    timeout-minutes: 25
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          ref: canary

      - name: Download latest word lists
        run: python3 scripts/ci/workflows/update_word_lists.py --step download

      - name: Check for changes
        id: check_changes
        run: python3 scripts/ci/workflows/update_word_lists.py --step check_changes

      - name: Update word lists
        if: steps.check_changes.outputs.changes_detected == 'true'
        run: python3 scripts/ci/workflows/update_word_lists.py --step update

      - name: Create pull request for updated word lists
        if: steps.check_changes.outputs.changes_detected == 'true'
        uses: peter-evans/create-pull-request@v5
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          branch: word-lists-update-${{ github.run_id }}
          base: canary
          title: 'chore: update word lists from Tailscale upstream'
          body: |
            Automated update of scales.txt and tails.txt from the Tailscale repository.

            These files are used to generate connection IDs for voice connections.

            Source:
            - https://github.com/tailscale/tailscale/blob/main/words/scales.txt
            - https://github.com/tailscale/tailscale/blob/main/words/tails.txt
          commit-message: 'chore: update word lists from Tailscale upstream'
          files: |
            fluxer_api/src/words/scales.txt
            fluxer_api/src/words/tails.txt
          labels: automation

      - name: No changes detected
        if: steps.check_changes.outputs.changes_detected == 'false'
        run: python3 scripts/ci/workflows/update_word_lists.py --step no_changes