name: Preview Updater

on:
    workflow_call:
        inputs:
            token:
                type: string
                required: false
                default: ''
            config:
                type: string
                description: Path to the preview configuration YAML file.
                required: false
                default: ''
            readme:
                type: string
                description: Specifies the path to the README file.
                required: false
                default: ''

concurrency:
    group: ${{ github.workflow }}-${{ github.ref }}
    cancel-in-progress: true

permissions:
    contents: write
    pull-requests: write

jobs:
    Update:
        runs-on: ubuntu-latest

        steps:
            -   uses: actions/checkout@v6
                with:
                    fetch-depth: 0

            -   name: Update banner
                uses: TheDragonCode/github-preview-updater@v2
                id: preview
                with:
                    token: ${{ inputs.token || secrets.GITHUB_TOKEN }}
                    config: ${{ inputs.config }}
                    readme: ${{ inputs.readme }}

            -   name: Merge PR
                if: steps.preview.outputs.pullRequestNumber != ''
                env:
                    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
                run: gh pr merge --merge --delete-branch ${{ steps.preview.outputs.pullRequestNumber }}