name: baekjoon-bot-cicd

on:
  push:
    branches: ["main"]
    paths-ignore:
      - "**.md"
      - "docs/**"

jobs:
  build_push_deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Manual checkout (supports /gitea subpath)
        env:
          ACTOR: ${{ github.actor }}
          REPO: ${{ github.repository }}
          SHA: ${{ github.sha }}
          TOKEN: ${{ secrets.NKEY_PAT }}
        run: |
          set -euo pipefail
          git init .
          git remote add origin "https://${ACTOR}:${TOKEN}@nkeystudy.site/gitea/${REPO}.git"
          git fetch --no-tags --prune --depth=1 origin "${SHA}"
          git checkout -q FETCH_HEAD

      - name: Ensure docker compose available
        run: |
          set -euo pipefail
          docker version
          if ! docker compose version >/dev/null 2>&1; then
            # docker:24-git(Alpine) 기준
            apk add --no-cache docker-cli-compose
          fi
          docker compose version

      - name: Docker login
        env:
          DOCKERHUB_USER: ${{ secrets.DOCKERHUB_USERNAME }}
          DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
        run: |
          set -euo pipefail
          echo "${DOCKERHUB_TOKEN}" | docker login -u "${DOCKERHUB_USER}" --password-stdin

      - name: Build & push image
        env:
          DOCKERHUB_USER: ${{ secrets.DOCKERHUB_USERNAME }}
          IMAGE_NAME: baekjoon-bot
        run: |
          set -euo pipefail
          IMAGE="${DOCKERHUB_USER}/${IMAGE_NAME}:latest"
          docker build -t "${IMAGE}" .
          docker push "${IMAGE}"

      - name: Deploy on server (compose pull/up)
        run: |
          docker compose -f /nkeysworld/compose.apps.yml pull baekjoon-bot
          docker compose -f /nkeysworld/compose.apps.yml up -d baekjoon-bot
          docker image prune -f

      - name: Discord Notification
        if: always() # 빌드 성공/실패 여부와 상관없이 항상 실행
        env:
          DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK }}
        run: |
          if [ "${{ job.status }}" = "success" ]; then
            MESSAGE="🚀 **Build & Deploy Success!**"
            COLOR=3066993 # 녹색 계열
          else
            MESSAGE="⚠️ **Build or Deploy Failed!**"
            COLOR=15158332 # 빨간색 계열
          fi

          curl -X POST -H "Content-Type: application/json" \
          -d '{
            "embeds": [{
              "title": "'"$MESSAGE"'",
              "description": "**Repo:** ${{ github.repository }}\n**Commit:** ${{ github.sha }}\n**Actor:** ${{ github.actor }}",
              "color": '"$COLOR"',
              "timestamp": "'$(date -u +%Y-%m-%dT%H:%M:%SZ)'"
            }]
          }' $DISCORD_WEBHOOK