name: "Ghost GitHub Portfolio"
description: "Auto-sync GitHub repositories to a Ghost CMS portfolio page"
author: "GeiserX"

branding:
  icon: "layout"
  color: "purple"

inputs:
  config-path:
    description: "Path to the config YAML file"
    required: false
    default: "config.yml"
  ghost-url:
    description: "Ghost blog URL (overrides config)"
    required: false
  ghost-admin-api-key:
    description: "Ghost Admin API key in KEY_ID:SECRET format"
    required: false
  ghost-page-slug:
    description: "Ghost page slug to update"
    required: false
  github-username:
    description: "GitHub username to fetch repos for"
    required: false
  min-stars:
    description: "Minimum stars to include a repo"
    required: false
    default: ""

runs:
  using: "composite"
  steps:
    - name: Setup Node.js
      uses: actions/setup-node@v7
      with:
        node-version: "22"

    - name: Install and build
      shell: bash
      working-directory: ${{ github.action_path }}
      run: |
        npm ci
        npm run build

    - name: Generate config overrides
      shell: bash
      id: config
      working-directory: ${{ github.action_path }}
      env:
        GGP_CONFIG: ${{ github.workspace }}/${{ inputs.config-path }}
        GGP_GHOST_URL: ${{ inputs.ghost-url }}
        GGP_GHOST_PAGE_SLUG: ${{ inputs.ghost-page-slug }}
        GGP_GITHUB_USERNAME: ${{ inputs.github-username }}
        GGP_MIN_STARS: ${{ inputs.min-stars }}
      run: |
        CONFIG="$GGP_CONFIG"
        if [ -n "$GGP_GHOST_URL" ] || [ -n "$GGP_GHOST_PAGE_SLUG" ] || [ -n "$GGP_GITHUB_USERNAME" ] || [ -n "$GGP_MIN_STARS" ]; then
          cp "$CONFIG" /tmp/ggp-config.yml
          CONFIG=/tmp/ggp-config.yml
          node -e '
            const fs = require("fs");
            const yaml = require("yaml");
            const c = yaml.parse(fs.readFileSync(process.env.GGP_CONFIG, "utf8")) || {};
            if (process.env.GGP_GHOST_URL) {
              c.ghost = c.ghost || {};
              c.ghost.url = process.env.GGP_GHOST_URL;
            }
            if (process.env.GGP_GHOST_PAGE_SLUG) {
              c.ghost = c.ghost || {};
              c.ghost.pageSlug = process.env.GGP_GHOST_PAGE_SLUG;
            }
            if (process.env.GGP_GITHUB_USERNAME) {
              c.github = c.github || {};
              c.github.username = process.env.GGP_GITHUB_USERNAME;
            }
            if (process.env.GGP_MIN_STARS) {
              const n = Number.parseInt(process.env.GGP_MIN_STARS, 10);
              if (!Number.isFinite(n)) throw new Error("min-stars must be an integer");
              c.portfolio = c.portfolio || {};
              c.portfolio.minStars = n;
            }
            fs.writeFileSync("/tmp/ggp-config.yml", yaml.stringify(c));
          '
        fi
        echo "config=$CONFIG" >> "$GITHUB_OUTPUT"

    - name: Sync portfolio
      shell: bash
      env:
        GHOST_ADMIN_API_KEY: ${{ inputs.ghost-admin-api-key }}
        GHOST_GITHUB_TOKEN: ${{ github.token }}
      run: |
        node ${{ github.action_path }}/dist/index.js sync \
          --config "${{ steps.config.outputs.config }}" \
          --verbose