discord-notify.yml

name: Discord Push Notification

on:
  push:
    branches:
      - '**'   # Fire on EVERY branch push

jobs:
  notify:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Gather commit and branch info
        id: info
        run: |
          BRANCH_NAME="${GITHUB_REF#refs/heads/}"
          COMMIT_SHA="${{ github.sha }}"
          COMMIT_URL="${{ github.server_url }}/${{ github.repository }}/commit/${{ github.sha }}"
          REPO_URL="${{ github.server_url }}/${{ github.repository }}"
          PR_URL="${{ github.server_url }}/${{ github.repository }}/compare/${BRANCH_NAME}?expand=1"

          COMMIT_MESSAGE=$(git log -1 --format=%B | head -5)
          COMMIT_AUTHOR=$(git log -1 --format=%an)

          FILES_CHANGED=$(git diff --name-only HEAD~1 HEAD 2>/dev/null | wc -l | xargs)
          INSERTIONS=$(git diff --numstat HEAD~1 HEAD 2>/dev/null | awk '{sum+=$1} END {print sum+0}')
          DELETIONS=$(git diff --numstat HEAD~1 HEAD 2>/dev/null | awk '{sum+=$2} END {print sum+0}')
          CHANGED_FILES=$(git diff --name-only HEAD~1 HEAD 2>/dev/null | head -6 | sed 's/^/∙ /')

          # Branch-type emoji + color
          if echo "$BRANCH_NAME" | grep -qE "^(main|master)$"; then
            BRANCH_EMOJI="🟢"
            EMBED_COLOR=3066993
            TITLE_EMOJI="🟢"
          elif echo "$BRANCH_NAME" | grep -q "^feature/"; then
            BRANCH_EMOJI="🔵"
            EMBED_COLOR=3447003
            TITLE_EMOJI="🚀"
          elif echo "$BRANCH_NAME" | grep -qE "^(fix|bugfix|hotfix)/"; then
            BRANCH_EMOJI="🔴"
            EMBED_COLOR=15158332
            TITLE_EMOJI="🐛"
          elif echo "$BRANCH_NAME" | grep -qE "^(chore|docs|refactor)/"; then
            BRANCH_EMOJI="🟡"
            EMBED_COLOR=15844367
            TITLE_EMOJI="🔧"
          else
            BRANCH_EMOJI="⚪"
            EMBED_COLOR=9807270
            TITLE_EMOJI="📝"
          fi

          echo "branch_name=$BRANCH_NAME"        >> $GITHUB_OUTPUT
          echo "commit_sha=${COMMIT_SHA:0:7}"     >> $GITHUB_OUTPUT
          echo "commit_url=$COMMIT_URL"           >> $GITHUB_OUTPUT
          echo "repo_url=$REPO_URL"               >> $GITHUB_OUTPUT
          echo "pr_url=$PR_URL"                   >> $GITHUB_OUTPUT
          echo "commit_author=$COMMIT_AUTHOR"     >> $GITHUB_OUTPUT
          echo "files_changed=$FILES_CHANGED"     >> $GITHUB_OUTPUT
          echo "insertions=$INSERTIONS"           >> $GITHUB_OUTPUT
          echo "deletions=$DELETIONS"             >> $GITHUB_OUTPUT
          echo "embed_color=$EMBED_COLOR"         >> $GITHUB_OUTPUT
          echo "branch_emoji=$BRANCH_EMOJI"       >> $GITHUB_OUTPUT
          echo "title_emoji=$TITLE_EMOJI"         >> $GITHUB_OUTPUT

          echo "commit_message<<EOF"              >> $GITHUB_OUTPUT
          echo "$COMMIT_MESSAGE"                  >> $GITHUB_OUTPUT
          echo "EOF"                              >> $GITHUB_OUTPUT

          echo "changed_files<<EOF"               >> $GITHUB_OUTPUT
          echo "$CHANGED_FILES"                   >> $GITHUB_OUTPUT
          echo "EOF"                              >> $GITHUB_OUTPUT

      - name: Send Discord notification
        env:
          DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_WEBHOOK_URL }}
          MENTION_USER_ID:     ${{ secrets.DISCORD_MENTION_USER_ID }}
          COMMIT_MESSAGE:      ${{ steps.info.outputs.commit_message }}
          COMMIT_SHA_SHORT:    ${{ steps.info.outputs.commit_sha }}
          COMMIT_URL:          ${{ steps.info.outputs.commit_url }}
          REPO_URL:            ${{ steps.info.outputs.repo_url }}
          PR_URL:              ${{ steps.info.outputs.pr_url }}
          COMMIT_AUTHOR:       ${{ steps.info.outputs.commit_author }}
          BRANCH_NAME:         ${{ steps.info.outputs.branch_name }}
          FILES_CHANGED:       ${{ steps.info.outputs.files_changed }}
          INSERTIONS:          ${{ steps.info.outputs.insertions }}
          DELETIONS:           ${{ steps.info.outputs.deletions }}
          CHANGED_FILES:       ${{ steps.info.outputs.changed_files }}
          EMBED_COLOR:         ${{ steps.info.outputs.embed_color }}
          BRANCH_EMOJI:        ${{ steps.info.outputs.branch_emoji }}
          TITLE_EMOJI:         ${{ steps.info.outputs.title_emoji }}
        run: |
          TIMESTAMP=$(date -u +"%Y-%m-%dT%H:%M:%SZ")

          EMBED_JSON=$(jq -n \
            --arg title    "$TITLE_EMOJI Push → $BRANCH_NAME" \
            --arg desc     "$COMMIT_MESSAGE" \
            --arg url      "$COMMIT_URL" \
            --arg c_sha    "$COMMIT_SHA_SHORT" \
            --arg c_author "$COMMIT_AUTHOR" \
            --arg branch   "$BRANCH_EMOJI $BRANCH_NAME" \
            --arg stats    "**Files:** $FILES_CHANGED  **+$INSERTIONS  -$DELETIONS**" \
            --arg files    "$CHANGED_FILES" \
            --arg pr_url   "$PR_URL" \
            --arg repo_url "$REPO_URL" \
            --argjson color "$EMBED_COLOR" \
            --arg run_num  "#${{ github.run_number }}" \
            --arg timestamp "$TIMESTAMP" \
            '{
              "title":       $title,
              "description": $desc,
              "url":         $url,
              "color":       $color,
              "fields": [
                {"name": "🔗 Commit",        "value": "[`\($c_sha)`](\($url))",           "inline": true},
                {"name": "👤 Author",        "value": $c_author,                           "inline": true},
                {"name": "🌿 Branch",        "value": "`\($branch)`",                     "inline": true},
                {"name": "📊 Changes",       "value": $stats,                              "inline": false},
                {"name": "📄 Files Changed", "value": $files,                              "inline": false},
                {"name": "🔀 Open PR",       "value": "[Create Pull Request](\($pr_url))", "inline": true},
                {"name": "📁 Repository",    "value": "[Project-EL](\($repo_url))",        "inline": true}
              ],
              "footer": {"text": "Project-EL CI • Run \($run_num)"},
              "timestamp": $timestamp
            }')

          if [ -n "$MENTION_USER_ID" ]; then
            JSON_PAYLOAD=$(jq -n \
              --arg content "<@$MENTION_USER_ID> new push on **$BRANCH_NAME**" \
              --argjson allowed_mentions "{\"users\":[\"$MENTION_USER_ID\"]}" \
              --arg username   "Project-EL Bot" \
              --arg avatar_url "https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png" \
              --argjson embed "$EMBED_JSON" \
              '{username: $username, avatar_url: $avatar_url, content: $content, allowed_mentions: $allowed_mentions, embeds: [$embed]}')
          else
            JSON_PAYLOAD=$(jq -n \
              --arg username   "Project-EL Bot" \
              --arg avatar_url "https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png" \
              --argjson embed "$EMBED_JSON" \
              '{username: $username, avatar_url: $avatar_url, embeds: [$embed]}')
          fi

          RESPONSE=$(curl -s -w "\n%{http_code}" \
            -X POST \
            -H 'Content-Type: application/json' \
            --data-raw "$JSON_PAYLOAD" \
            "$DISCORD_WEBHOOK_URL")

          HTTP_STATUS=$(echo "$RESPONSE" | tail -n1)
          BODY=$(echo "$RESPONSE" | sed '$d')

          echo "Discord status: $HTTP_STATUS"
          echo "Discord body:   $BODY"

          if [ "$HTTP_STATUS" -ne 204 ] && [ "$HTTP_STATUS" -ne 200 ]; then
            echo "::error::Discord webhook failed with HTTP $HTTP_STATUS" >&2
            exit 1
          fi