name: deploy

on:
  push:
    branches:
      - main
  workflow_dispatch:
    inputs:
      ttl:
        description: "TTL for deploy operation (1h | 4h | 24h)"
        required: false
        default: 1h

jobs:
  deploy:
    runs-on:
      - toolzoo-host
    env:
      BACKSTAGE_STACK_NAME: toolzoo-backstage
      AWS_REGION: us-east-1
      APP_STACK_PREFIX: temp-stack
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Derive deployment settings
        shell: bash
        run: |
          set -euo pipefail
          repo_full="${GITHUB_REPOSITORY}"
          owner_raw="${repo_full%%/*}"
          repo_raw="${repo_full##*/}"
          repo_slug="$(printf '%s' "$repo_raw" | tr '[:upper:]' '[:lower:]')"
          service_slug="${repo_slug}"
          stack_name="${APP_STACK_PREFIX}-${repo_slug}"
          account_id="$(aws sts get-caller-identity --query Account --output text)"
          image_tag="${GITHUB_SHA:-manual}"
          short_tag="${image_tag:0:12}"
          registry="${account_id}.dkr.ecr.${AWS_REGION}.amazonaws.com"
          ecr_repo="temp/${repo_slug}"
          image_uri="${registry}/${ecr_repo}:${short_tag}"
          techdocs_bucket="$(aws cloudformation describe-stacks --stack-name "$BACKSTAGE_STACK_NAME" --query "Stacks[0].Outputs[?OutputKey=='TechDocsBucketName'].OutputValue" --output text)"
          ttl_input="${{ github.event.inputs.ttl }}"
          case "${ttl_input:-}" in
            ""|"1h") ttl_hours="1" ;;
            "4h") ttl_hours="4" ;;
            "24h") ttl_hours="24" ;;
            *) ttl_hours="1" ;;
          esac
          expires_at="$(date -u -d "+${ttl_hours} hour" +%Y-%m-%dT%H:%M:%SZ)"

          {
            echo "TOOLZOO_OWNER=${owner_raw}"
            echo "TOOLZOO_REPO=${repo_raw}"
            echo "TOOLZOO_STACK_NAME=${stack_name}"
            echo "TOOLZOO_SERVICE_NAME=${service_slug}"
            echo "TOOLZOO_ECR_REPO=${ecr_repo}"
            echo "TOOLZOO_IMAGE_URI=${image_uri}"
            echo "TOOLZOO_TECHDOCS_BUCKET=${techdocs_bucket}"
            echo "TOOLZOO_EXPIRES_AT=${expires_at}"
          } >> "$GITHUB_ENV"

      - name: Ensure ECR repository exists
        shell: bash
        run: |
          set -euo pipefail
          aws ecr describe-repositories --repository-names "$TOOLZOO_ECR_REPO" >/dev/null 2>&1 || \
            aws ecr create-repository \
              --repository-name "$TOOLZOO_ECR_REPO" \
              --image-scanning-configuration scanOnPush=true >/dev/null

      - name: Log in to ECR
        shell: bash
        run: |
          set -euo pipefail
          aws ecr get-login-password --region "$AWS_REGION" | \
            docker login --username AWS --password-stdin "${TOOLZOO_IMAGE_URI%/*}"

      - name: Build and push container image
        shell: bash
        run: |
          set -euo pipefail
          docker build -t "$TOOLZOO_IMAGE_URI" .
          docker push "$TOOLZOO_IMAGE_URI"

      - name: Deploy ECS service stack
        shell: bash
        run: |
          set -euo pipefail
          aws cloudformation deploy \
            --stack-name "$TOOLZOO_STACK_NAME" \
            --template-file infra/cloudformation/service.yaml \
            --capabilities CAPABILITY_NAMED_IAM \
            --parameter-overrides \
              EnvironmentName="$TOOLZOO_STACK_NAME" \
              ContainerImage="$TOOLZOO_IMAGE_URI" \
              ServiceName="$TOOLZOO_SERVICE_NAME" \
            --tags \
              Owner="$TOOLZOO_OWNER" \
              Repository="$TOOLZOO_REPO" \
              ExpiresAt="$TOOLZOO_EXPIRES_AT" \
              ManagedBy="gitea-actions"

      - name: Write Service URL to catalog metadata
        shell: bash
        run: |
          set -euo pipefail
          service_url="$(aws cloudformation describe-stacks --stack-name "$TOOLZOO_STACK_NAME" --query "Stacks[0].Outputs[?OutputKey=='ServiceUrl'].OutputValue" --output text)"
          if [[ -z "$service_url" || "$service_url" == "None" ]]; then
            echo "ServiceUrl output not found for stack $TOOLZOO_STACK_NAME"
            exit 1
          fi

          printf '%s\n' \
            '    # BEGIN TOOLZOO MANAGED LINK' \
            "    - url: \"$service_url\"" \
            '      title: Service URL' \
            '      icon: web' \
            '    # END TOOLZOO MANAGED LINK' \
            > /tmp/toolzoo-managed-link-item.yaml

          awk '
            BEGIN { in_block=0 }
            /^    # BEGIN TOOLZOO MANAGED LINK$/ { in_block=1; next }
            /^    # END TOOLZOO MANAGED LINK$/ { in_block=0; next }
            in_block==1 { next }
            { print }
          ' catalog-info.yaml > /tmp/catalog-info.yaml.base

          if grep -q '^  links:$' /tmp/catalog-info.yaml.base; then
            awk '
              BEGIN { inserted=0 }
              { print }
              /^  links:$/ && inserted==0 {
                while ((getline l < "/tmp/toolzoo-managed-link-item.yaml") > 0) {
                  print l
                }
                close("/tmp/toolzoo-managed-link-item.yaml")
                inserted=1
              }
            ' /tmp/catalog-info.yaml.base > /tmp/catalog-info.yaml.updated
          else
            awk '
              BEGIN { inserted=0 }
              /^  labels:$/ && inserted==0 {
                print "  links:"
                while ((getline l < "/tmp/toolzoo-managed-link-item.yaml") > 0) {
                  print l
                }
                close("/tmp/toolzoo-managed-link-item.yaml")
                inserted=1
              }
              /^  annotations:$/ && inserted==0 {
                print "  links:"
                while ((getline l < "/tmp/toolzoo-managed-link-item.yaml") > 0) {
                  print l
                }
                close("/tmp/toolzoo-managed-link-item.yaml")
                inserted=1
              }
              /^spec:$/ && inserted==0 {
                print "  links:"
                while ((getline l < "/tmp/toolzoo-managed-link-item.yaml") > 0) {
                  print l
                }
                close("/tmp/toolzoo-managed-link-item.yaml")
                inserted=1
              }
              { print }
            ' /tmp/catalog-info.yaml.base > /tmp/catalog-info.yaml.updated
          fi

          mv /tmp/catalog-info.yaml.updated catalog-info.yaml

      - name: Commit catalog metadata update
        shell: bash
        run: |
          set -euo pipefail
          if git diff --quiet -- catalog-info.yaml; then
            echo "No catalog-info.yaml changes to commit."
            exit 0
          fi
          git config user.name "toolzoo-bot"
          git config user.email "toolzoo-bot@local"
          git add catalog-info.yaml
          git commit -m "Update catalog service URL from deployment output"
          git push origin HEAD:main

      - name: Publish TechDocs to S3
        shell: bash
        run: |
          set -euo pipefail
          python3 -m venv .techdocs-venv
          . .techdocs-venv/bin/activate
          python -m pip install --upgrade pip
          python -m pip install mkdocs-techdocs-core
          npx -y @techdocs/cli generate --no-docker
          npx -y @techdocs/cli publish \
            --publisher-type awsS3 \
            --storage-name "$TOOLZOO_TECHDOCS_BUCKET" \
            --entity "default/Component/${TOOLZOO_REPO}"

      - name: Emit deployment summary
        shell: bash
        run: |
          set -euo pipefail
          : "${GITHUB_STEP_SUMMARY:=/tmp/toolzoo-step-summary}"
          service_url="$(aws cloudformation describe-stacks --stack-name "$TOOLZOO_STACK_NAME" --query "Stacks[0].Outputs[?OutputKey=='ServiceUrl'].OutputValue" --output text)"
          {
            echo "Deployment stack: $TOOLZOO_STACK_NAME"
            echo "Image: $TOOLZOO_IMAGE_URI"
            echo "TechDocs bucket: $TOOLZOO_TECHDOCS_BUCKET"
            echo "ExpiresAt (UTC): $TOOLZOO_EXPIRES_AT"
            echo "Service URL: $service_url"
          } | tee -a "$GITHUB_STEP_SUMMARY"