name: Gemini Automated Issue Triage

on:
  issues:
    types: [opened, reopened]

jobs:
  triage-issue:
    timeout-minutes: 5
    permissions:
      issues: write
      contents: read
      id-token: write
    concurrency:
      group: ${{ github.workflow }}-${{ github.event.issue.number }}
      cancel-in-progress: true
    runs-on: ubuntu-latest
    steps:
      - name: Generate GitHub App Token
        id: generate_token
        uses: actions/create-github-app-token@v1
        with:
          app-id: ${{ secrets.APP_ID }}
          private-key: ${{ secrets.PRIVATE_KEY }}

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          token: ${{ steps.generate_token.outputs.token }}

      - name: Run Gemini Issue Triage
        uses: google-gemini/gemini-cli-action@111dadaecabd309baba60f56f2b520c52c0f9a47
        env:
          GITHUB_TOKEN: ${{ steps.generate_token.outputs.token }}
          ISSUE_TITLE: ${{ github.event.issue.title }}
          ISSUE_BODY: ${{ github.event.issue.body }}
          ISSUE_NUMBER: ${{ github.event.issue.number }}
          REPOSITORY: ${{ github.repository }}
        with:
          version: 0.1.8-rc.0
          GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
          OTLP_GCP_WIF_PROVIDER: ${{ secrets.OTLP_GCP_WIF_PROVIDER }}
          OTLP_GCP_SERVICE_ACCOUNT: ${{ secrets.OTLP_GCP_SERVICE_ACCOUNT }}
          OTLP_GOOGLE_CLOUD_PROJECT: ${{ secrets.OTLP_GOOGLE_CLOUD_PROJECT }}
          settings_json: |
            {
              "coreTools": [
                "run_shell_command(gh label list)",
                "run_shell_command(gh issue edit)",
                "run_shell_command(gh issue list)"
              ],
            }
          prompt: |
            You are an issue triage assistant. Analyze the current GitHub issue and apply the most appropriate existing labels.

            Steps:
            1. Run: `gh label list --limit 100` to get all available labels.
            2. Review the issue title and body provided in the environment variables.
            3. Select the most relevant labels from the existing labels, focusing on kind/*, area/*, and priority/*.
            4. Apply the selected labels to this issue using: `gh issue edit ISSUE_NUMBER --add-label "label1,label2"`

            Guidelines:
            - Only use labels that already exist in the repository.
            - Do not add comments or modify the issue content.
            - Triage only the current issue.
            - Assign all applicable kind/*, area/*, and priority/* labels based on the issue content.