name: Deploy

on:
  push:
    branches:
      - "**"
    paths:
      - "scraper/**"
      - "ui/**"
      - "docker-compose.yml"
  pull_request:
    types: [closed]

# tRPC API helper notes:
#   Mutations: POST /api/trpc/<router>.<procedure>
#              Body: {"0":{"json":{...input...}}}
#              Header: x-api-key: <token>
#   Queries:   GET  /api/trpc/<router>.<procedure>?batch=1&input={"0":{"json":{...input...}}}
#              Header: x-api-key: <token>
#   Response on success: HTTP 200, body: [{"result":{"data":{"json":{...}}}}]

jobs:
  # ── production deploy (main/master only) ─────────────────────────────────────
  deploy-production:
    name: Deploy Production
    runs-on: ubuntu-latest
    if: >
      github.event_name == 'push' &&
      (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master')
    steps:
      - name: Redeploy production stack
        run: |
          RESPONSE=$(curl -s -w "\n%{http_code}" \
            -X POST "${{ secrets.DOKPLOY_URL }}/api/trpc/compose.redeploy" \
            -H "x-api-key: ${{ secrets.DOKPLOY_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d '{"0":{"json":{"composeId":"${{ secrets.DOKPLOY_COMPOSE_ID }}"}}}')
          HTTP_CODE=$(echo "$RESPONSE" | tail -1)
          BODY=$(echo "$RESPONSE" | head -1)
          echo "Status: $HTTP_CODE"
          echo "Body: $BODY"
          [ "$HTTP_CODE" = "200" ] || { echo "Redeploy failed"; exit 1; }

  # ── preview deploy (feature branches) ────────────────────────────────────────
  deploy-preview:
    name: Deploy Preview
    runs-on: ubuntu-latest
    if: >
      github.event_name == 'push' &&
      github.ref != 'refs/heads/main' &&
      github.ref != 'refs/heads/master'
    steps:
      - name: Sanitize branch name
        id: branch
        run: |
          # Lowercase, replace non-alphanumeric with dashes, strip trailing dashes, max 20 chars
          SUFFIX=$(echo "${{ github.ref_name }}" \
            | tr '[:upper:]' '[:lower:]' \
            | sed 's/[^a-z0-9]/-/g' \
            | cut -c1-20 \
            | sed 's/-*$//')
          echo "suffix=$SUFFIX" >> $GITHUB_OUTPUT
          echo "Preview suffix: $SUFFIX"

      - name: Create or redeploy isolated preview stack
        run: |
          # compose.isolatedDeployment creates a new isolated copy of the compose stack
          # suffixed with the branch name. If the stack already exists it redeploys it.
          RESPONSE=$(curl -s -w "\n%{http_code}" \
            -X POST "${{ secrets.DOKPLOY_URL }}/api/trpc/compose.isolatedDeployment" \
            -H "x-api-key: ${{ secrets.DOKPLOY_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "{\"0\":{\"json\":{\"composeId\":\"${{ secrets.DOKPLOY_COMPOSE_ID }}\",\"suffix\":\"${{ steps.branch.outputs.suffix }}\"}}}")
          HTTP_CODE=$(echo "$RESPONSE" | tail -1)
          BODY=$(echo "$RESPONSE" | head -1)
          echo "Status: $HTTP_CODE"
          echo "Body: $BODY"
          [ "$HTTP_CODE" = "200" ] || { echo "Preview deploy failed"; exit 1; }

  # ── cleanup preview on PR close ───────────────────────────────────────────────
  cleanup-preview:
    name: Cleanup Preview
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' && github.event.action == 'closed'
    steps:
      - name: Sanitize branch name
        id: branch
        run: |
          SUFFIX=$(echo "${{ github.head_ref }}" \
            | tr '[:upper:]' '[:lower:]' \
            | sed 's/[^a-z0-9]/-/g' \
            | cut -c1-20 \
            | sed 's/-*$//')
          echo "suffix=$SUFFIX" >> $GITHUB_OUTPUT
          echo "Cleaning up preview suffix: $SUFFIX"

      - name: Search for preview compose stack by appName
        id: find
        run: |
          # compose.search is a tRPC query (GET). We search by appName pattern.
          # appName is set by Dokploy as "<base-appName>-<suffix>" for isolated deployments.
          INPUT=$(python3 -c "import json,sys; print(json.dumps({'0':{'json':{'appName':'libnovel-${{ steps.branch.outputs.suffix }}','limit':5,'offset':0}}}))")
          RESPONSE=$(curl -s -w "\n%{http_code}" -G \
            "${{ secrets.DOKPLOY_URL }}/api/trpc/compose.search" \
            -H "x-api-key: ${{ secrets.DOKPLOY_TOKEN }}" \
            --data-urlencode "batch=1" \
            --data-urlencode "input=$INPUT")
          HTTP_CODE=$(echo "$RESPONSE" | tail -1)
          BODY=$(echo "$RESPONSE" | head -1)
          echo "Status: $HTTP_CODE"
          echo "Body: $BODY"
          # Extract the first composeId from the JSON response array
          COMPOSE_ID=$(echo "$BODY" | python3 -c "
          import json,sys
          data = json.load(sys.stdin)
          items = data[0]['result']['data']['json']['items']
          print(items[0]['composeId'] if items else '')
          " 2>/dev/null || echo "")
          echo "composeId=$COMPOSE_ID" >> $GITHUB_OUTPUT
          echo "Found composeId: $COMPOSE_ID"

      - name: Delete preview stack
        if: steps.find.outputs.composeId != ''
        run: |
          RESPONSE=$(curl -s -w "\n%{http_code}" \
            -X POST "${{ secrets.DOKPLOY_URL }}/api/trpc/compose.delete" \
            -H "x-api-key: ${{ secrets.DOKPLOY_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "{\"0\":{\"json\":{\"composeId\":\"${{ steps.find.outputs.composeId }}\",\"deleteVolumes\":true}}}")
          HTTP_CODE=$(echo "$RESPONSE" | tail -1)
          BODY=$(echo "$RESPONSE" | head -1)
          echo "Status: $HTTP_CODE"
          echo "Body: $BODY"
          [ "$HTTP_CODE" = "200" ] || { echo "Delete failed"; exit 1; }