name: Bump, Build, Release

on:
  push:
    branches:
      - main

jobs:

  # Updates the Auto branch to match Main
  update-auto:
    permissions:
      contents: write

    runs-on: ubuntu-latest

    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Update Auto To Main
        run: |
          git fetch origin
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
          git checkout auto || git checkout -b auto
          git reset --hard origin/main
          git push --force origin auto

  # Builds the code
  # This is bundling, obfuscating, version bumping, etc.
  build:
    permissions:
      contents: write
    
    runs-on: ubuntu-latest

    needs: [update-auto] # Needs the update-auto job to finish first

    outputs:
      msg: ${{ steps.get-commit-message.outputs.MSG }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Node
        uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Install dependencies
        run: npm install

      - name: Update userscript version
        run: |
          npm version minor --no-git-tag-version
          node build/update-version.js

      - name: Build userscript
        run: npm run build

      - name: Get current version
        id: get_version
        run: |
          current_version=$(jq -r '.version' package.json)
          echo "Current version: $current_version"
          echo "current_version=$current_version" >> $GITHUB_OUTPUT
      
      - name: Update static version numbers
        run: |
          current_version=${{ steps.get_version.outputs.current_version }}
          if [ -f "docs/README.md" ]; then
            echo "README.md exists. Modifying..."
          else
            echo "README.md was not found. Skipping..."
          fi
          sed -i 's|\(Latest_Version-\)[^-\ ]*\(-lightblue\)|\1'$current_version'\2|' docs/README.md
      
      - name: Update compression badge
        run: |
          dist_size=$(find dist -type f -exec cat {} + | wc -c)
          src_size=$(find src dist/assets -type f -exec cat {} + | wc -c)
          percentage=$(awk "BEGIN {printf \"%.2f\", 100 - ($dist_size * 100) / $src_size}")
          echo "Compression: $percentage"
          badge_url="https://img.shields.io/badge/Compression-${percentage}%25-blue"
          sed -i -E 's#https://img.shields.io/badge/Compression-[^"]*#'"$badge_url"'#' docs/README.md

      - name: Get the previous commit message
        id: get-commit-message
        run: echo "MSG=$(git log -1 --pretty=%B)" >> $GITHUB_OUTPUT

        # This should happen on 'auto' branch
      - name: Commit and push built script
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
          git checkout auto || git checkout -b auto
          git add dist/*
          git add src/BlueMarble.meta.js
          git add package.json
          git add docs/README.md
          git commit -m "Bumped version; ${{ steps.get-commit-message.outputs.MSG }}" || echo "No changes to commit"
          git push --set-upstream origin auto

  # Updates the requirement link SHA
  update-requirements:

    permissions:
      contents: write
    
    runs-on: ubuntu-latest

    needs: [update-auto, build] # Needs the update-auto and build jobs to finish first

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: auto # Checks out the auto branch
          fetch-depth: 0

      - name: Get SHA of origin/auto
        run: |
          git fetch origin auto
          AUTO_SHA=$(git rev-parse origin/auto)
          echo "Auto SHA: $AUTO_SHA"
          echo "AUTO_SHA=$AUTO_SHA" >> $GITHUB_ENV

      - name: Update Resource Link SHA
        run: |
          sed -i "/@resource/ s/sha=[a-f0-9]\{40\}/sha=${AUTO_SHA}/g" dist/BlueMarble.user.js src/BlueMarble.meta.js
          echo "Updated resourceLinkSHA:"
          grep "@resource" dist/BlueMarble.user.js src/BlueMarble.meta.js

      - name: Commit Resource Link SHA
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
          git add dist/BlueMarble.user.js
          git add src/BlueMarble.meta.js
          git commit -m "Merge version; ${{ needs.build.outputs.MSG }}" || echo "No changes to commit"
          git push

      - name: Merge Auto -> Main
        run: |
          git fetch origin
          git checkout origin/main -B main
          git merge --squash origin/auto
          git commit -m "Release version; ${{ needs.build.outputs.MSG }}" || echo "No changes to commit"
          git push origin main