name: Build and deploy Flutter Web

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: builder
    env:
      SERVICE_NAME: flutter
      IMAGE_SHA: gitea.dsrptlab.com/mapflow/flutter:${{ github.sha }}
      IMAGE_LATEST: gitea.dsrptlab.com/mapflow/flutter:latest
    steps:
      - uses: actions/checkout@v4

      - name: Build and push image
        run: |
          set -euo pipefail
          for attempt in 1 2 3; do
            if docker buildx build \
              --push \
              --provenance=false \
              --tag "$IMAGE_SHA" \
              --tag "$IMAGE_LATEST" \
              --build-arg MAPBOX_ACCESS_TOKEN="${{ secrets.MAPBOX_ACCESS_TOKEN }}" \
              --build-arg MAPBOX_STYLE="mapbox/streets-v12" \
              --build-arg TELEGRAM_BOT_USERNAME="carfteebot" \
              --build-arg BUILD_VERSION="${GITHUB_SHA}" \
              .; then
              published_images="$(docker image ls --format '{{.Repository}}:{{.Tag}}' | awk -v sha="$IMAGE_SHA" -v latest="$IMAGE_LATEST" '$0 == sha || $0 == latest')"
              if [ -n "$published_images" ]; then
                docker image rm -f $published_images
              fi
              exit 0
            fi
            sleep "$((attempt * 10))"
          done
          exit 1

      - name: Skip stale deployment
        run: |
          set -euo pipefail
          latest_sha="$(git ls-remote origin refs/heads/main | awk '{print $1}')"
          if [ "$latest_sha" = "${GITHUB_SHA}" ]; then
            touch .deploy-current
          else
            echo "A newer main commit exists: $latest_sha. Skipping deploy for ${GITHUB_SHA}."
          fi

      - name: Trigger Dokploy deploy webhook
        run: |
          set -euo pipefail
          [ -f .deploy-current ] || exit 0
          payload=$(cat <<JSON
          {"ref":"refs/heads/main","after":"$GITHUB_SHA","commits":[{"id":"$GITHUB_SHA","message":"$SERVICE_NAME #${GITHUB_RUN_NUMBER:-0} ${GITHUB_SHA:0:7}","modified":["Dockerfile"]}]}
          JSON
          )
          response_file="$(mktemp)"
          status_code="$(curl -sS -o "$response_file" -w "%{http_code}" -X POST "${{ secrets.DOKPLOY_DEPLOY_WEBHOOK }}" \
            -H "x-gitea-event: push" \
            -H "Content-Type: application/json" \
            -d "$payload")"
          cat "$response_file"
          [ "$status_code" = "200" ]