# https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions
name: Build Images and Deploy
run-name: ${{ gitea.actor }} is building new PROD images and redeploying the existing stack 🚀
on:
  push:
    # not working right now https://github.com/actions/runner/issues/2324
    # paths-ignore:
    #   - **.yml
    branches:
      - main

env:
  STACK_NAME: wtp-prod
  DOT_ENV: ${{ secrets.PROD_ENV }}
  PORTAINER_TOKEN: ${{ vars.PORTAINER_TOKEN }}
  PORTAINER_API_URL: https://portainer.dev.nervesocket.com/api
  ENDPOINT_NAME: "mini" #sometimes "primary"
  IMAGE_TAG: "reg.dev.nervesocket.com/wtp-prod:release"

jobs:
  Update-PROD-Stack:
    runs-on: ubuntu-latest
    steps:
        # if: contains(github.event.pull_request.head.ref, 'init-stack')
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: main

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Build and push PROD Docker image
        run: |
          echo $DOT_ENV | base64 -d > .env
          docker buildx build --push -f Dockerfile -t $IMAGE_TAG .

      - name: Get the endpoint ID
      # Usually ID is 1, but you can get it from the API. Only skip this if you are VERY sure.
        run: |
          ENDPOINT_ID=$(curl -s -H "X-API-Key: $PORTAINER_TOKEN" "$PORTAINER_API_URL/endpoints" | jq -r ".[] | select(.Name==\"$ENDPOINT_NAME\") | .Id")
          echo "ENDPOINT_ID=$ENDPOINT_ID" >> $GITHUB_ENV
          echo "Got stack Endpoint ID: $ENDPOINT_ID"

      - name: Fetch stack ID from Portainer
        run: |
          STACK_ID=$(curl -s -H "X-API-Key: $PORTAINER_TOKEN" "$PORTAINER_API_URL/stacks" | jq -r ".[] | select(.Name==\"$STACK_NAME\" and .EndpointId==$ENDPOINT_ID) | .Id")

          echo "STACK_ID=$STACK_ID" >> $GITHUB_ENV
          echo "Got stack ID: $STACK_ID matched with Endpoint ID: $ENDPOINT_ID"

      - name: Fetch Stack
        run: |
          # Get the stack details (including env vars)
          STACK_DETAILS=$(curl -s -H "X-API-Key: $PORTAINER_TOKEN" "$PORTAINER_API_URL/stacks/$STACK_ID")
          
          # Extract environment variables from the stack
          echo "$STACK_DETAILS" | jq -r '.Env' > stack_env.json
          
          echo "Existing stack environment variables:"
          cat stack_env.json

      - name: Redeploy stack in Portainer
        run: |
          # Read stack file content
          STACK_FILE_CONTENT=$(echo "$(<prod-compose.yml )")

          # Read existing environment variables from the fetched stack
          ENV_VARS=$(cat stack_env.json)

          # Prepare JSON payload with environment variables
          JSON_PAYLOAD=$(jq -n --arg stackFileContent "$STACK_FILE_CONTENT" --argjson pullImage true --argjson env "$ENV_VARS" \
            '{stackFileContent: $stackFileContent, pullImage: $pullImage, env: $env}')

          echo "About to push the following JSON payload:"
          echo $JSON_PAYLOAD

          # Update stack in Portainer (this redeploys it)
          DEPLOY_RESPONSE=$(curl -X PUT "$PORTAINER_API_URL/stacks/$STACK_ID?endpointId=$ENDPOINT_ID" \
            -H "X-API-Key: $PORTAINER_TOKEN" \
            -H "Content-Type: application/json" \
            --data "$JSON_PAYLOAD")

          echo "Redeployed stack in Portainer. Response:"
          echo $DEPLOY_RESPONSE

      - name: Status check
        run: |
          echo "📋 This job's status is ${{ job.status }}. Make sure you delete the init file to avoid issues."